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Home My WebLink AboutSan Sevaine & Etiwanda Creek Vol IV • c SAN SEVAINE CREEK AND ETIWANDA CREEK HYDROLOGY AND BASIN ROUTING REPORT Volume IV Developed, 100 Year Hydrology Computations With Ultimate Upstream Detention Within San Sevaine Watershed And Diversion Of Etiwanda Flows In Excess Of 3100 CFS To San Sevaine Basin 5 c February, 1989 Prepared For: The Caryn Company P. O.Box216 So. Laguna, California 92677 -0216 Prepared By: Fuscoe, Williams, Lindgren & Short, Inc. 2500 Redhill Avenue, Suite 100 Santa Ana, California 92705 1 0:0fESS10) 2 No. 36865 , ° � 9 ctletv lF Uf GAtO By: 14 / Steve W. May, P.E. E c c TABLE OF CONTENTS Volume IV E Developed, 100 Year Hydrology Computations With Ultimate Upstream Detention Within San Sevaine Watershed And Diversion Of Etiwanda Flows In Excess Of 3100 CFS To San Sevaine Basin 5 APPENDIX I San Sevaine Watershed To Highland Ave. APPENDIX II San Sevaine Watershed To Foothill Blvd. APPENDIX III Etiwanda Watershed To Highland Ave. APPENDIX IV Etiwanda Watershed To Foothill Blvd. APPENDIX V Etiwanda / San Sevaine Watersheds To Downstream Of Foothill Blvd. APPENDIX VI Etiwanda / San Sevaine Watersheds To Jurupa Basin E c c c c . 401 '01.1 �' 41 42 . 0 01 ■r CO * °' A 43.1 ** 0 B 1 - CID 2 F . I C ** 41.2 0 4 404 43.2 44 ? SPLITF LO . ® D 0 HAWKER CRAWFORD .- 0 W Q ' E 0 4 0 .4 0 0 0 3 0+ 6.2 u - 8 1 9 10 J a V. VW U' w 0 0 0 (1) 0 .M air 8.1 G 0 LEGEND: NM 4 ADD SUB -AREA [SAN SEVAINE BASIN RICH BASIN cum HYDROGRAPH NO. 2 .R 0 SAN SEVAINE BASIN JURUPA BASIN 2O NODE N0 3 , E , ar SAN SEVAINE BASIN . I A SAN SEVAINE BASIN win A RESERVOIR /BASIN NO. 4 NO. 1 (DEBRIS BASIN) C SAN SEVAINE BASIN *4 BASINS 2 &3 COMBINED go CONVEX CHANNEL E NO. 5 FOR ULTIMATE HYDROLOGY MI ROUTING - • FVSCOE 2500 e Santa Ana, Suite 0 2755 ETIWANDA & SAN SEVAINE - WILLIAMS (7/4)250-1500 Man FAX (714) 2507420 CREEKS � ' HYDROLOGY SCHEMATIC DIAGRAM A Out Engineers • Land surveyors FIGURE - / u � &SHORT APPENDIX I San Sevaine Watershed To Highland Ave. E C c c c c c c E C C C � = FLOOD ROUTING ANALYSIS USING ORANGE/SAN BERNARDINO COUNTY UNIT-HYDROGRAPH (1986 MANUAL) (c) Copyright 1983-88 Advanced Engineering Software (aes) Ver. 3.0A Release Date: 7/21788 Serial # 2124 = Analysis prepared by: Fuscoe, Williams, Lindgren & Short = ************************** DESCRIPTION OF STUDY ************************** * SAN SEVAINE DRAINAGE AREA TO HIGHLAND WITH DIVERSION OF ETIWANDA FLOWS * * TO SAN SEVAINE BASIN NO 5. MAXIMUM FL�`WBY OF ETIWANDA FLOWS = 3100 cfs * ~� * (MINIMAL DIVERSION). DEPTH AREA FACTORS FOR A = 11281 ACRES. * ************************************************************************** FILE NAME: C: \ESS\DIV\SSDIV4 DAT TIME/DATE OF STUDY: 16:22 �/ 4/1989 wm **************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 1.00 IS CODE = 1 >>>>>UNIT-HYDROGRAPH ANALYSIS<<<<< (UNIT-HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .456 HOURS = UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 18.290 WATERCOURSE LENGTH = 16200.000 FEET = LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3520.000 FEET BASIN FACTOR = .040 WATERSHED AREA = 1262.000 ACRES == BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 ~~ FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .850 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .149 VALLEY(UNDEVELOPED/DESERT) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 ~~ MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .293 LOW LOSS FRACTION = .126 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .68 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.40 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.86 SPECIFIED PEAK : RAINFALL(INCH) = 4.00 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 6.50 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 16.00 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .642 30-MINUTE FACTOR = .658 ~m° 1-HOUR FACTOR = .658 3-HOUR FACTOR = .933 6-HOUR FACTOR = .969 24-HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 14.00 MODEL TIME<HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION `� ---------- INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.307 199.514 =° 2 4.877 544.894 3 10.431 847.671 ~~ 4 18.518 1234. 195 5 29.731 1711.427 '10=7L LAO � 7 60.090 1676.788 ~~ 8 66.654 1001.738 9 71.602 755.203 = 10 75.648 617.529 11 79.021 514.881 ~~ 12 81.880 476.729 13 84.347 376.412 14 86.493 327.658 ... 15 88.320 278.860 16 89.928 245.390 "� 17 91.341 215.639 18 92.538 182.693 . 19 93.529 151.229 20 94.385 130.676 . 21 95.128 113.351 22 95.727 91.408 23 96.133 61.979 = 24 96.435 46.039 25 96.733 45.575 . 26 97.005 41.462 27 97.270 40.480 = 28 97.516 37.596 29 97.747 35.171 30 97.976 34.989 ~° 31 98.203 34.616 32 98.427 34.137 = 33 98.650 34.113 34 98.855 31.307 -~ 35 98.926 10.859 36 98.997 0.75 ~~ 77 99.063 10.130 38 99.129 10.019 39 99.192 9.567 ~~ 40 99.247 8.406 Al 99.301 8.347 =~ 42 99.359 8.761 43 99.419 9.178 - 44 99.478 • 9.003 45 99.514 5.529 = 46 99.541 4.167 47 99.569 4.157 48 99.596 4.158 'mu 49 99.623 4.157 50 99.650 4.167 °= 51 99.678 4.157 52 99.705 4.157 - 53 99.732 4.158 54 99.759 4.157 55 99.786 4.051 =~ 56 9c).802 2.477 57 99.815 1.973 -~ 58 99.828 1.962 59 99.840 1.953 °= 60 99.854 2.030 61 99.867 1.953 62 99.879 1.952 = 63 99.892 1.953 64 99.905 1.953 =° 65 99.918 1.953 66 99.931 1.952 . 67 99.943 1.95: 68 99.956 1.9 AS 69 99.969 1.952 70 99.982 1.953 71 99.994 1.953 °" 72 100.000 .840 . TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 204.9827 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1446.6480 . . . . . . � ' ' � . 24-HOUR STORM . RUNOFF HYDROGRAPH __ _ _ = HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 550.0 1100.0 1650.0 2200.0 Of 14.083 686.6832 981.70 . . QV . . . =� 14.167 693.5899 1002.85 . . V. . . 14.250 700.6880 1030.65 . . QV. . . 14.333 708.0402 1067.53 . . . . =~ . 715.7162 1114.56 . . VO . • 14.500 723.9119 1190.03 . . VQ • . 14.583 732.4071 1233.50 . . V Q . • 14.667 741.0845 1259.96 ' . V Q . . 14.750 749.9000 1280.01 . . V Q . • 14.833 758.8276 1296.28 . . V Q . 14.917 767.8470 1309.62 . . .V Q . • -~ 15.000 776.9428 1320.71 . . .V Q . • 15.083 786.1035 1330.13 . . .V Q . • SW 15.167 795.3188 1338.07 . . .V Q ~ • 15 804.5794 1344.64 . . . V . . ~� 15.333 813.8777 1350.12 . . . V Q . . 15.417 823.1350 1344.15 . . . V Q . . . 15.500 832.2209 1319.27 . . . Q . • 15.583 841.0316 1279.31 . . . Q . . 15.667 849.4433 1221.38 . . . QV ~ . ~� 1 857.3190 1143.55 . . Q V . . 15.833 864.2643 1008.47 . . Q . V . . IOW 15.917 870.8661 958.57 . . Q . V . . 16.000 877.5626 972.33 . . Q . V . . _ 16.083 885.0021 1080. . . Q. V . . 16.167 893.6511 1255.83 . . . Q V . . = 16.250 903.4326 1420.26 . . . V ~ • 16'333 914.5807 1618.71 . • . V Q. • 16.417 927.1406 1827.69 . . . V . Q • . 16.500 942.0372 2163.00 . . . V . Q. 16.583 953.6767 1690.05 . . . V Q • = 16.667 963.4944 1425.54 . . • QV . • 16.750 972.7995 1351.09 . . . Q V . • i6.833 982.4802 1405.63 . . . V . . ~~ 16.' 992.2903 1424.43 . . . Q V . . 17.000 1002.1070 1425.34 . . • Q V . • . 17.083 1011.8850 1419.82 . . • Q V . . 17.167 1021.5690 1406.06 . . • Q V . . - 17.250 1031.0930 1382.88 . . . Q V . . 17.333 1040.4070 1352.39 . . . Q V . . .. 17.417 1049.4140 1307.90 . . . Q V. . 17.500 1057.8800 1229.24 . . . Q V. . 17.583 1065.9820 1176.40 . . .Q V. . . 17.667 1073.8380 1140.71 . . Q V. . 17.750 1081.4850 1110.27 . . Q V. . . 17.833 1088.9230 1080.12 . . Q. V . 17.917 1096.1540 1049.86 . . Q. V . =M 18.000 1103.2230 1026.40 . . Q . V . my ** ************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 401.00 IS CODE = 5 . _ >>>>> MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<< =W == _ °� THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER 41OF TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handboo Hydrology, Chapter 17, page 17-52, August,1972, . U.S Department of Commerce). . ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 20.00 CHANNEL Z = .00 . UPSTREAM ELEVATION = 1960.00 DOWNSTREAM ELEVATION = 1510.00 . CHANNEL LENGTH(FT) = 7000.00 MANNINGS FACTOR = .014 . CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS> = 2163.00 =~ AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1356.88 CHANNEL NORMAL VELOCITY FOR Q = 1356.88 CFS = 36.30 FPS _.''-_ _ �== �..'^..". ,,^""°.��- .s"". ^ ..� ^ ��E-,''X `/4`_,vi /�,, ~'--'^ ' - �^� ' '`----� -~ MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = .988 we _ CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW == TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) °M 15.083 1330.1 1324.2 15.167 1338.1 1333.1 ow 15.250 1344.6 1740.5 15. 1750.1 1346.7 15.417 1344.2 1347.8 °M 15.500 1319.3 1334.7 15.583 1279.3 1304.2 =w 15.667 1221.4 1257.5 15.750 1143.5 1192.2 - 15.833 1008.5 1092.6 15.917 958.6 990.5 wo 16.000 972.3 964.2 16.083 1080.2 1013.4 16.167 1255.8 1146.4 = 16.250 1420.3 1317.2 16.333 1618.7 1494.7 = 16.417 1823.7 1695.3 16.500 2163.0 1951.5 ~~ 16.583 1690.1 1980.1 16.667 1425.5 1592.8 °� 16.750 1351.1 1399.2 16.833 1405.6 1372.5 16.917 1424.4 1412.4 ~~ 17.000 1425., 1424.6 17.083 1419.8 1423.2 =° 17.167 1406.1 1414.6 17.250 1382.9 1397.3 ~~ 17.333 1352.4 1371.4 17.417 1307.9 1335.7 17.500 1229.2 178.3 == 17.583 1176.4 1209.7 17.667 1140.7 1163.2 ~"" 17.750 1110.3 1129.4 17.833 1080.1 1099.0 ow 17.917 1049.9 1068.8 18.000 1026.4 1041.1 ow +*************************************************************************** = FLOW PROCESS FROM NODE 401.00 TO NODE 401.00 IS CODE = 1 - >>>>>UNIT-HYDROGRAPH ANALYSIS<<<< ==------ - ow (UNIT-HYDROGRAPH ADDED TO STREAM #1) we WATERCOURSE "LAG" TIME = .405 HOURS ow UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 20.588 ... WATERCOURSE LENGTH = 21200.000 FEET ow LENGTH FROM CONCENTRATION POINT TO CENTROID = 10500.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3690.000 FEET BASIN FACTOR = .028 °w WATERSHED AREA = 2416.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE ow VALLEY(DEVELOPED) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .300 ,w FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .500 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .190 =w VALLEY(UNDEVELOPED/DESERT) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .314 we LOW LOSS FRACTION = . 188 *HYDROGRAPH MODEL #1 SPECIFIED* ww SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .65 we SPECIFIED PEAK 30-MINUTES RAINFALL( INCH) = 1.36 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.78 Oaf SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.55 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.68 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 12.90 wo *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: = 5-MINUTE FACTOR = .642 30-MINUTE FACTOR = .658 3-HOUR FACTOR = .933 -^ 6-HOUR FACTOR = .969 24-HOUR FACTOR = .982 . RUNOFF HYDROGRAPH LISTING LIMITS: _ MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 14.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 = _ _ °M UNIT HYDROGRAPH DETERMINATION . _ INTERVAL "S" GRAPH UNIT HYDROGRAPH = NUMBER MEAN VALUES ORDINATES(CFS) 1 1.499 437.989 4Wir 2 5.885 1281.630 3 14.168 2420.052 ^� 4 25.681 3364.019 5 41.937 4749.697 . 6 57.979 4687.292 7 67.564 2800.442 8 74.288 1964.859 ~= 9 79.170 1414.491 10 92.819 1078.076 ~~ 11 85.633 822.094 12 87.857 649.759 ~~ 13 89.552 495.372 14 90. 80 417.365 == 15 92.241 368.205 16 93.324 316.546 17 94.242 268.074 . 18 94.935 202.701 19 95.521 171.233 ft. 20 95.991 137.285 21 96.304 91.549 ~~ 22 96.599 85.958 23 96.875 80.681 =° 24 97.140 77.598 25 97.387 72.063 26 97.610 65.286 ~'" 27 97.832 64.798 28 98.048 63.017 1.0. 29 98.261 62.364 30 98.469 60.601 31 98.600 38.340 ~� 32 98.704 30.324 33 98.801 28.447 °- 34 98.897 28.070 35 98.985 25.743 . ~ 36 99.065 23.469 37 99.147 23.828 °~ 78 99.234 25.542 39 99.3 25.616 40 99.379 16.659 ~ 41 99.418 11.438 42 99.457 11.429 . 43 99.497 11.438 44 99.536 11.418 . 45 99.575 11.478 46 99.614 11.418 =e/ 47 99.653 11.440 48 99.692 11.438 49 99.729 10.849 . 50 99.751 6.362 51 99.770 5.392 mg 52 99.788 5.350 53 99.806 5.435 = 54 99.827 6.026 55 99.846 5.435 56 99.864 5.435 ~II 57 99.883 5.435 58 99.901 5.435 me 59 99.920 5.435 60 99.939 5.435 . 61 99.957 5.435 62 99.976 5.437 L''' 99.994 5.435 "= 64 100.000 1.621 = -= TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 468.7997 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2080.5760 . _ - _ ___ �. 24-HOUR STORM -. R U N O F F H Y D R O G R A P H _ __ °� HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) ~.. TIME(HRS) VOLUME(AF) Q(CFS) 0. 900.0 1800.0 2700.0 3600.0 to. 14.083 958.6860 1507.86 . . Q V . . . 14.167 969.3093 1542.51 . . QV . . . am 14.250 980.2957 1595.22 . . QV . . . 14'333 991.7453 1662.48 . . QV. • . of 14.417 100 .8020 1750.71 . . Q. • . . 14.500 1016.4 1836.51 . . VQ • ~ ... 14.583 1029.4700 1890.43 . . V. . • 14.667 1042.7630 1930.16 . . VQ . . w.., 14.750 1056.2660 1960.61 . . VQ • . . 14.833 1069.9400 1985.45 . . V ~ • 14.917 1083.7560 2006.09 . . V . • ~w 15.000 1097. 2024.01 . . .V . • 15.083 1111.7420 20 . • .V . . *o 15.167 1125.8900 2054.23 . . .V . • 15.250 1140.1350 2068.40 . . .VQ • . . .... 15.333 1154.4740 2082.09 . . . VQ . 15.417 1168.7750 2076.42 . . ~ VQ • . . °= 15.500 1182.7850 2034.25 . • . Q . 15.583 1196.1850 1945.71 . . .QV . . 15.667 1208.7360 1822.48 . . Q V . °. 1 J220.1180 1652.57 . . Q . V . • 15.833 1230.5050 1508.17 . • Q . V . • *OW 15.917 1240.7280 1484.43 . . Q . V . . 16.000 1251.4110 1551.11 . . Q . V . . = 16.083 1264.0130 1829.81 . . Q V . . 16.167 1279.6470 2270.14 . . . VQ . • �� 1 6. 2 1298.82 2784.28 . . . V Q . 16.333 1320.7790 3188.12 . . . V . Q . 16.417 1345.5140 3591.41 . . . V . Q. °.. i-...500 1369.2350 3444.37 . . . V . Q . 16.583 1388.2060 2754.56 . . . V Q =° 16.667 1404.9850 2436.38 . . . Q . • 16.750 1420.9480 2317.81 . . . V . • 16.833 1436.8220 2304.82 . • . =. Q V . • 16.917 1452.4210 2265.01 . . . Q V . . 17.000 1467.8030 2233.41 . . . Q V . . == 17.083 1482.9040 2192.71 . . . Q V . . 17.167 1497.7530 2156.05 . . . Q V . . -. 17.250 1512.2420 2103.78 . . . Q V. . 17.333 1526.2170 2029.22 . . . Q V. ~ *ON 17.417 1 1926.03 . . . V. . 17. 1551.9840 1815.35 . . Q V. . 17 . 583 1563.9830 1742.27 . . Q. V . . 17.667 1 1681.11 . . Q . V . 17.750 1586.7610 1626.22 . . Q . V . �lW 17.833 1597.7010 1588.53 . . Q . V . 17.917 1608.4230 1556.82 . . Q . V . °.. 18.000 1618.9510 1528.63 . . Q . .V . vai **************************************************************************** FLOW PROCESS FROM NODE 401.10 TO NODE 401.00 IS CODE = 1 °.. _________ >>>>> UNIT-HYDROGRAPH ANALYSIS _ I. (UNIT-HYDROGRAPH ADDED TO STREAM #1) *.. WATERCOURSE "LAG" TIME = . 159 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES =m UNIT INTERVAL PERCENTAGE OF LAG-TIME = 52.326 or WATERCOURSE LENGTH = 7200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 3900.000 FEET ,.. ELEVATION VARIATION ALONG WATERCOURSE = 460.000 FEET BASIN FACTOR = .020 .... WATERSHED AREA = 354.000 ACRES BASEFLOW = .000 CFS/SQUARE VALLEY(DEVELOPED) S-GRAPH SELECTED ... MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .482 LOW LOSS FRACTION = .381 °- *HYDROGRAPH MODEL #1 SPECIFIED* - - - `--- - ' '--~^ '^ � . �.^. �1 �" ` ��r'�/ '`^ ^".�� «�^.�. "��`^`"� � ,'��-��"•' SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.22 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.62 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.10 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.75 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 11.00 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .642 °= 30-MINUTE FACTOR = .658 R FACTOR = .658 3-HOUR FACTOR = .933 6-HOUR FACTOR = .969 24-HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) = 1 4.863 208.184 2 32.371 1177.663 3 71.786 16 .434 4 91.584 847.614 ~~ 5 97.632 258.923 6 98.990 58.126 7 99.518 22.615 - 8 99.807 12.377 9 99.952 6.189 10 100.000 2.063 _ TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 118.0261 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 200.5293 • = ~~ =~ 24-HOUR STORM ~ RUNOFF HYDROGRAPH =° HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) mu TIME(HRS) VOLUME(AF) Q(CFS) 0. 200.0 400.0 600.0 800.0 or 15.083 111.0365 203.46 . Q . V . . ~� 15.167 167 112.4474 204.86 . . V . . 15.250 113.8689 206.40 . 0 . V . . 15.333 115.3020 208.08 . Q . V . . =° 15.417 116.7092 204. 32 ' Q . V . . 15.500 117.9122 174.69 . Q • . V ~ . ~.. 1 583 118.327: 132. 87 . Q . . V . . 15.667 119.6337 117.09 . Q . . V . . °W 15.750 120. 4645 120.67 . Q . . V . . 15.833 121.3863 133.85 . Q . . V . . 15.917 122.4541 155.04 . 0 . . V . . =~ 16.000 123.7921 194.28 . Q. . V . . 16.083 125.9723 316.56 . . Q . V . . NW 16.167 130.2714 624.22 . . . V .0 . 16.250 135.3395 735.89 . . . V . Q ~ ~~ 1,L, 138. 3846 442.15 . . . Q V . . 16.417 139.9785 231.43 . . . V . . == 16. 500 141.1872 174.92 . Q . . V . • 16.583 142.5175 193.76 . Q. . V . . 16.667 143.9329 205.50 . Q . V . . - 16.750 145.3512 205.94 . Q . V . , 16.833 146.7486 202.90 . Q . V. . °- 16.°1 148. 1276 200.27 . 0 . V. . 17.000 149.4934 198.32 . Q. . V. . ~ 17.083 150.8299 194.06 . Q. . V . 17.167 152.0574 178.23 . Q . . V . =° 17.250 250 1 3. 1304 155. 80 . 0 . . V . 17.333 154.1134 142.73 . Q . . V , 17.417 155.0536 136.52 . Q . . V . -° 17.500 155.9686 132.85 . 0 . . .V . 17.583 156.8626 129.82 . Q . . .V . °= 17.667 157.7381 127.12 . Q . . .V . 17.750 158.5969 124.69 . Q . . ~V . 17.83 159.4403 122.46 . 0 . . .V . -~ 17.917 160.2696 120.41 . Q . . .V . 18.000 161.0857 118.50 . Q . . . V . °~ - **************************************************************************** FLOW PROCESS FROM NODE 401.00 TO NODE .43 IS CODE = 3 ~� _ >>>>> MODEL FLOW DETENTION BASIN ROUTING << � � � �� °� ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 *w ��~~ ` - ' THROUGH A FLOW-THROUGH DETENTION BASIN =M USING FIVE-MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: w� DEAD STORAGE (AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 � ~m. BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: =~ INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 = 2 .10 1000.00 .500 3 3.00 1189.00 15.000 4� 4 10.00 1681.00 41.300 5 20.00 2202.00 256.300 ^mm 6 30.00 2620.00 471.300 7 40.00 2981.00 686.300 = maw INFLOW (STREAM 1) ~~ 1 ~ | V effective depth ___________ �r /.r� •■`.'~"` | ....V........ detention <--> outflow basin ^ | \ | storage | basin outlet V OUTFLOW (STREAM 1) BASIN ROUTING MODEL RESULTS(5-MINUTE INTERVALS): TIME DEAD-STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 15.083 .000 3567.3 19.17 2147.0 238.474 15.167 .000 3592.2 19.63 2170.7 248.264 15.250 .000 3615.3 20.08 2194.0 258.053 15.333 .000 3636.9 20.54 2214.9 267.846 15.417 .000 3628.5 20.98 2233.8 277.452 15.500 .000 3543.7 21.40 2251.8 286.349 15.583 .000 3382.8 21.75 2267.9 294.028 15.667 .000 3197.1 22.05 2281.5 300.333 15.750 .000 2965.3 22.26 2292.1 704.970 15.833 .000 2734.7 22.40 2299.5 307.967 15.917 .000 2629.9 22 .51 2304.6 310.207 16.000 .000 2709.6 22.64 2309.5 312.963 16.083 .000 3159.7 22.91 2317.8 718.761 16.167 .000 4040.7 27.45 2374.9 730.510 16.250 .000 4837.4 24.24 2362.8 347.552 16.333 .000 5124.9 25.12 2397.7 366.335 16.417 . . 26.11 . 787.558 16.500 .000 . '1a . 27.10 2477.9 408.858 16.583 .000 4928.5 27.87 2514.8 425.482 16.667 .000 4234.6 28.41 2542.3 437.137 16.750 .000 3922.9 28.85 2562.7 446.505 16.833 .000 3880.2 29.26 2580.5 455.456 16.917 .000 3877.6 29.67 2597.8 464.271 , 17.000 .000 3856.4 30.07 2614.4 472.824 17.083 .000 3810.0 30.45 2629.4 480.955 17.167 .000 3748.9 30.80 2642.6 488.574 17.250 .000 3656.9 31.12 2654.8 495.476 17.333 .000 3543.4 31.41 2665.7 501.520 17.417 .000 3398.2 31.64 2674.9 506.502 17.500 .000 3226.5 31.81 2682.3 510.250 17.583 .000 3081.8 31.94 2687.7 512.964 17.667 .000 2971.4 32.03 2691.6 514.891 17.750 .000 2880.7 32.09 2694.3 516.172 17.833 .000 2810.0 32.12 2696.0 516.957 17.917 .000 2746.1 32.14 2696.9 517.296 18.000 .000 2688.3 32.14 2697.2 17. 18.087 .000 2677.6 32.12 26V6.8 g��. , 18.167 .000 2573.8 32.08 2695.7 515.959 18.250 .000 2505.2 72.02 2693.9 514.660 18.333 .000 2430.3 71.93 2691.7 512.862 18.417 .000 2343.2 31.82 2687.8 510.489 18.500 .000 2252.4 31.68 2683.3 507.521 18.583 .000 2171.0 31.52 2677.9 504.030 18.667 .000 2110.7 31.34 2671.7 500.166 18.750 .000 2062.9 31.15 2665.0 496.020 18.833 .000 2020.5 30.95 2657.8 491.630 18.917 .000 1978.5 30.73 2650.3 487.004 19.000 .000 1939.4 30.51 2642.3 482.164 19.083 .000 1908.4 30.27 2634.0 477.166 19.167 .000 1880.2 30.03 2625.5 472.033 19.250 .000 1852.2 29.79 2616.2 466.771 19.333 .000 1822.2 29.54 2605.9 461.374 19.417 .000 1795.1 29.28 2595.3 455.862 19.500 .000 1771.9 29.02 2584.5 450.266 19.583 .000 1750.5 28.76 2573.6 444.597 19.667 .000 1729.7 28.49 2562.5 438.861 19.750 .000 1709.2 28.22 "-551.7 473.061 19.833 .000 1689.1 27.95 2540.0 427.201 19.917 .000 1670.6 27.67 2528.5 421.293 **************************************************************************** FLOW PROCESS FROM NODE 42.00 TO NODE 41.00 IS CODE = 1 >>>>> UNIT-HYDROGRAPH ANALYSIS <<<<< _ (UNIT-HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .397 HOURS _ . �.'�- UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES "= UNIT INTERVAL PERCENTAGE OF LAG-TIME = 20.983 = WATERCOURSE LENGTH = 19400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11100.000 FEET - ELEVATION VARIATION ALONG WATERCOURSE = 1240.000 FEET BASIN FACTOR = .023 WATERSHED AREA = 1110.000 ACRES °w BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): =° "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .400 FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .590 *o MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 VALLEY(UNDEVELOPED/D ): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 .. MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .400 LOW LOSS FRACTION = .276 == *HYDROGRAPH MODEL #1 SPECIFIED* - SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .56 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.15 -= SPECIFIED PEAt 1-HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.08 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.78 °0 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 12.50 =~ *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .642 __ 30-MINUTE FACTOR = .658 1-HOUR FACTOR = .658 °w 3-HOUR FACTOR = .933 6-HOUR FACTOR = .969 24-HOUR FACTOR = .982 - RUNOFF HYDROGRAPH LISTING LIMITS: =° MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 ====______ -~ UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH ow NUMBER MEAN VALUES ORDINATES(CFS) _ 1 1.727 178.074 2 5.283 531.115 3 12.845 1015.159 ~, 4 24.117 1517.128 5 42.726 2498.090 - 6 60.372 2368.837 7 70.938 1418.316 =~ 8 78.188 973.235 9 83.265 681.526 10 87.049 508.091 ~~ 11 89.787 367.432 12 91.869 279.586 = 13 93.369 201.350 14 94.654 172.443 == 15 95.770 149.824 16 96.71Z 127.098 440 17 97.465 100.513 1 97.994 70.906 19 98.408 55.578 no 20 98.677 76.211 21 98.835 21.178 =w 22 98.989 20.607 23 99.123 18.082 w, 24 99.25b 17.677 25 99.353 13.231 ow 26 99.451 17.155 27 99.549 13.138 28 99.647 13.099 11•1 29 99.744 13.089 30 99.841 13.005 mw 31 99.930 11.984 32 99.936 .704 op 33 99.941 .676 34 99.946 .652 *611 35 99.950 .571 •6 99.954 .564 37 99.958 .604 °- 38 99.963 .620 39 99.967 .492 " 40 99.969 .284 41 99.971 .282 43 99.975 .282 44 99.977 .282 45 99.979 .282 46 99.981 .283 47 99.984 .281 .� 48 99.986 .273 49 99.987 .165 �� 50 99.988 .133 51 99.989 .132 52 99.990 .133 °� 53 99.991 .149 54 99.992 .133 �� 55 99.993 .134 56 99.994 .133 ~� 57 99.995 .133 58 99.996 .134 59 99.997 .133 fiso 60 99.998 .133 61 99.999 .134 °� 62 100.000 .133 63 100.000 .019 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 307.2855 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 827.7238 MO °in -^ AM ~~ = Am = °~ = mm = AM AM wIN = Am ~~ `~ 24-HOUR STORM _. R U N O F F H Y D R O G R A P H _____ ____ _ = HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) .. TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 000 15.083 455.7520 .87 . . Q. V . . =° 15. 167 460.8226 8226 736. 25 . . Q. V . . 15.250 465.9290 741.46 . . Q. V . . 15.333 471.0701 746.48 . . . V . . *� 15.417 476. 2065 745.82 . . Q. V . • 15.500 481.2631 734.21 . . Q. V . • . 15.587 4E36.1478 708.67 . . Q . V . • 15.667 490.7563 669.74 . . Q . V . • Al 15. 494. 9167 604.08 . . Q . V . • 15. 498.6972 548.93 . . Q . V . • 15.917 502.3787 534.56 . . Q . V . • °� 16. 000 506. 1653 549.80 . . Q . V . . 16.083 510.5511 636.82 . . Q . V . • •• 16.167 515.9584 785.14 . • Q V . • 16.250 522.6804 976.04 . • • VQ . , ~= 1 6. 333 530. 6794 1161.45 . . • V Q ~ 16.417 540.4461 1418.13 . . . V . Q . ,= 16. 50� 549. 6749 1740.02 . . . V . Q . 16.53 556.8900 1047.64 . • . VQ . . 16.667 563.1299 906.03 . . . Q V . . °~ 1b. 750 568.'3'891 850.76 . . . Q V . . 16.833 574.7578 837.61 . . . Q V . . .*.• 16. 917 5P0.7705 814.97 . . .0 V ~ . 17.000 585.8784 799.73 . . .Q V . . .0 1 591.2601 781.44 . . Q V . . 17.167 596.5538 768.64 . . Q V . ~ = 17.250 601.7029 747.65 . . Q. V. . 17.333 606.6396 716.80 . . Q. V. . 17.417 611.2391 667.85 . . Q . V. . . 17.500 615. 4993 618.58 . . Q . V. . 17.583 619.5343 585.88 . . Q . V. . = 17.667 623.3814 558.60 . . Q . V . 17.750 627 .0795 53 .9 . . Q . V . ~° 17. 833 630. 6714 521.55 . 55 . . . V . 17.917 634.1696 507.93 . . Q . V 18.000 637.5880 496.36 . . Q . V . - ~-. ***** ************** ******* if. ****************************************** if. ***** FLOW PROCESS FROM NODE 41.00 TO NODE 41.00 IS CODE = 1 =~ >>>>> UNIT-HYDROGRAPH ANALYSIS <<<<< ====___________ . (UNIT-HYDROGRAPH ADDED TO STREAM #2) ~~ WATERCOURSE "LAG" TIME = .304 HOURS . UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES =w UNIT INTERVAL PERCENTAGE OF LAG-TIME = 27. 372 WATERCOURSE LENGTH = 14 .000 FEET . LENGTH FROM CONCENTRATION POINT TO CENTROID = 7000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 1900.000 FEET . BASIN FACTOR = .027 WATERSHED AREA = 899.000 ACRES . BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .200 ^� FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .790 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 . VALLEY (UNDEVELOPED/DESERT) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 . MAXIMUM WATERSHED LOSS RATE ( INCH/HOUR) = .276 LOW LOSS FRACTION = .163 ,� *HYDROGRAPH MODEL #1 SPECIFIED* _= SPECIFIED PEAK 5-MINUTES RAINFALL(INCH) = .61 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.25 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.66 - SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.34 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.20 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 13.14 ..,-" ,"��`r ="r-r,c,+^T,'l^/ ncpru-»orr^ ocm'r-rrn^/c^ _ �. ��u ^�u . ^L-L,^. `,`. IL/14 41-I .n ``'"-,�'..�"��f��.'r��^^�.� 5-MINUTE FACTOR = .642 - 30-MINUTE FACTOR = .658 1-HOUR FACTOR = .658 = 3-HOUR FACTOR = .933 6-HOUR FACTOR = .969 24-HOUR FACTOR = .982 = RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 wis MN -- - UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH *� NUMBER MEAN VALUES ORDINATES(CFS) 1 1.872 203.485 2 8.108 678.043 19.891 1281.051 4 43.414 2557.525 5 63.665 2201.724 6 73.973 1120.721 7 80.708 732.230 °m 8 85.519 523.097 9 89.006 379.160 10 91.604 282.407 11 93.652 '''.675 = 12 95.301 179.357 13 96.551 135.912 14 97.505 103.723 15 98.172 72.444 16 98.506 36.314 = 17 98.767 28.419 18 98.996 24.861 19 99.196 21.801 20 99.395 21.676 = 21 99.594 21.578 22 99.792 21.508 23 99.980 20.498 24 99.984 .413 25 99.987 .331 26 99.990 .298 27 99.993 .297 � 28 99.995 .298 29 99.998 .298 30 100.000 .216 my TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 154.5106 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 811 .7556 = me �M 4111 � = a . . 24-HOUR STORM . RUNOFF HYDROGRAPH = HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 400.0 800.0 1200.0 1600.0 . - - ----- 15.083 452. 01 757.56 . . Q . V . . . 15.167 457.2978 761.97 . . Q. V . . 15.250 462.5724 765.87 . . Q. V . • ^� 15.333 467.8706 769.30 . . Q. V . • 15.417 473.1352 764.43 . . Q. V . • 15.500 478.2366 740.72 . . Q . V . -~ 15.583 483.0165 694.05 . . Q . V • • 15.667 487.1411 598.89 . . Q . V . . = 15.750 490.7616 525.70 . . Q . V . . 15.833 494.2611 508.13 . . Q . V . _~ 15.917 497.8382 519.38 . . Q . V . . 16.000 501.7234 564.13 . . Q . V . 16.083 506.5099 695.00 . . Q . V . . . 16.167 512.8776 924.58 . . . Q V . 16.250 521.0197 1182.23 . • • V Q. . . 16 531.6078 1537.39 . . . V . Q . 16.417 540.9856 1361.66 . . . V . Q . °= 16.500 547.7467 981.71 . . • Q V . . 16.583 553.5079 836.53 . . V . . 16.667 559.1572 820.29 . . Q V ~ • . 16.750 564.861e 828.30 . . Q V . . 16.233 570.4981 818.39 . . Q V . . . 16.917 576.0761 809.93 . . Q V . . 17.000 581.5958 801.46 . . Q V ~ . . 17.083 587. 785.95 . . Q. V . . 17.167 592.2584 762.25 . . Q. V. . =, 17.250 597.2592 726.12 . . Q . V. . 17.333 601.8374 664.76 . . Q . V. , 17.417 606.0811 616.18 . . Q . V. . . 17.500 610.1296 587.84 . . 0 . V . 17.583 614.0286 566.13 . . Q . V . ~*' 17.667 617.8025 547.97 . • 0 . V . 17.750 621.4697 532.48 . . Q . V . _ 17.833 625.0409 518.54 . . Q . V . 17.917 628.5201 505.17 . . Q . V . °~ 18.000 631.8815 488.08 . . Q . .V . ~. «**************** *********************************************************** FLOW PROCESS FROM NODE 41.00 TO NODE 41.10 IS CODE = 5 >>>>> MODEL CHANNEL ROUTING BY THE CONVEX METHOD <<<< ~ ~~ THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5-MINUTE . INTERVALS(Referencev the National Engineering Aandboo Hydrology, Chapter 17, page 17-52, August,1972, . U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: `= BASEWIDTH(FT) = 20.00 CHANNEL z = 2.00 UPSTREAM ELEVATION = 1710.00 . DOWNSTREAM ELEVATION = 1600.00 CHANNEL LENGTH(FT) = 3700.00 MANNINGS FACTOR = .014 . . CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2779.79 AVERAGE FLOWRATE IN ESS OF 50% MAXIMUM INFLOW = 1694.12 m CHANNEL NORMAL VELOCITY FOR 0 = 1694.12 CFS = 28.42 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .944 m MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE °0 UNIT INTERVALS IS CSTAR = .996 m CONVEX METHOD CHANNEL ROUTING RESULTS: ~m MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) = (HRS) (CFS) (CFS) 15.083 1488.4 1484.0 15.250 1507.3 1503.6 ~~ 15'333 1515.8 1512.3 15.417 1510.2 1512.5 ~~ 15.500 1474.9 1489.5 15.583 1402.7 1432.5 _~ 15. 1.268.6 17' 15.750 1129.8 1187.1 =° 15.07 1057.1 1087.2 15.917 1053.9 1055.3 16.000 1113.9 1089.2 . 16.083 1331.8 1242.1 16.167 1709.7 1553.9 = 16.250 2158.3 1973.1 16.333 2698.8 2475.7 . 16.417 2779.8 2745.7 16.500 2321.7 2510.2 =m 16.583 1884.2 2064.9 16.667 1726.3 1791.9 16.750 1679.1 1698.7 . 16.833 1656.0 1665.6 16.917 1624.9 1637.7 . 17.000 1601.2 1611.0 17.083 1567.4 1581.3 17.167 1530.9 1546.0 = 17.250 1473.8 1497.3 17.333 1381.6 1419.6 . 17.417 1284.0 1324.3 17.500 1206.4 1238.5 . 17.583 1152.0 1174.5 17.667 1106.6 1125.4 . 17.750 1069.4 1084.8 17.833 1040.1 1052.2 17.917 1013.1 1024.3 ~ 18.00O 984.4 996.7 18.083 963.2 972.0 ~- 18.167 945.1 952.6 18.250 928.6 935.4 ~~ 18.333 912.1 918.9 18.417 897.6 903.6 _ 18.500 884.8 890.1 18.583 872.1 877.4 18.667 857.8 867.7 ~~ 18.750 847.2 851.5 18.833 837.2 841.3 - 18.917 827.6 871.6 19.000 818.6 8-7.7 ~ 19.083 810.0 813. 19.167 801.7 805.1 19.250 793.8 797.1 19.333 786.1 789.3 19.417 778.8 781.8 -- 19.500 771.8 774.7 19.583 765.0 767.8 19.667 758.6 761.2 19.750 752.4 755.0 19.833 746.4 748.9 19.917 740.6 743.0 20.000 735.0 737.4 . +*************************************************************************** FLOW PROCESS FROM NODE 43.10 TO NODE 41.10 IS CODE = 1 . - H ANALYSIS _ . (UNIT-HYDROGRAPH ADDED TO STREAM #2) . WATERCOURSE "LAG" TIME = .226 HOURS '= UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES . UNIT INTERVAL PERCENTAGE OF LAG-TIME = 36.905 WATERCOURSE LENGTH = 15500.000 FEET ~m LENGTH FROM CONCENTRATION POINT TO CENTROID = 7200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2490.000 FEET am BASIN FACTOR = .020 WATERSHED AREA = 1111.000 ACRES . BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .300 °� FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .600 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .090 -~ VALLEY(UNDEVELOPED/DESERT): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .308 LOW LOSS FRACTION= .189 ____ ' SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .79 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.35 . SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.66 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.40 . SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.34 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 11.95 MOW *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .642 . 30-MINUTE FACTOR = .658 1-HOUR FACTOR = .658 AIN 3-HOUR FACTOR = .933 6-HOUR FACTOR = .969 ~M 24-HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: AW MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 . = �=====_____ _ _ _ UNIT HYDROGRAPH DETERMINATION . INTERVAL "S" GRAPH UNIT HYDROGRAPH == NUMBER MEAN VALUES ORDINATES(CFS) ~~ 1 2 393.908 2 15.173 1644.725 =w , 40.880 3454.066 4 66.145 3394.679 5 78.206 1620.547 ~° 6 85.159 934.145 7 89.499 583.096 =° 8 92.322 379.426 9 94.453 286.312 . 10 95.944 200.3 11 96.999 141.663 =~ 12 97.575 77.420 13 97.975 53.773 14 98.329 47.602 - 15 98.594 35.623 16 98.850 34.38 .w. 17 99.099 33.396 18 99.337 31.942 _ 19 99.456 16.041 20 99.532 10.254 21 99.604 9.628 ~~ 22 99.678 9.988 23 99.721 5.782 - 24 99.755 4.459 25 99.788 4.466 - 26 99.821 4.460 27 99.854 4.464 28 99.880 3.500 29 99.896 ' 30 99.912 2.161 ~~ 31 99.928 2.112 32 99.943 2.112 . 33 99.959 77 2.112 34 99.9 2.112 All 35 99.991 2.112 36 100.000 1.262 °O. __________ am TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 198.8417 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 887.1558 1211 � MI �� air WI = � = 24-HOUR STORM MO RUNOFF HYDROGRAPH ========= _ _ _________ tow HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) www TIME(HRS) VOLUME(AF) Q(CFS) 0. 600.0 1200.0 1800.0 2400.0 *w 15.083 488.8511 938.78 . . Q . V . . °� 15.167 495.3368 941.73 . . Q . V . • 15.250 501.8421 944.57 . . Q . V . . 1111. 1 5 . 333 508.3681 947.57 . . Q . V . • 15.417 514.7828 931.41 . . Q . V . . 15.500 520.6688 854.65 . . Q . V . . 70.1 15.587 525.4357 692.14 . .Q . V . . 15.67 529.1576 540.42 . Q. . V . . 6 .o. 1.750 532 . 5226 488.60 . o . . v . . 15.833 535.8682 485.77 . Q . . V . . ~~ 15.917 539.4851 525.18 . Q . . V . 16.000 543.7402 617.85 . Q . V . . 16.083 550.1133 925 . . Q . V . . ~ 16.1 561 1581.75 . . . VQ . . 16.250 577.1119 2338.44 . . . V . Q . ` 16.333 592.2581 2199.22 . . . V . Q . 16.417 601.5405 1347.81 . . . Q V . . ~~ 16.500 608.5551 1018.52 . . Q . V . . 16.583 615.1536 958.10 . . Q . V . • 16.b6 621.9588 988.12 . . . V . . 16.750 628.8153 995.57 . . Q . V . . 16. G33 635.5784 982.00 . . Q . V . . ~ 16.917 642.2485 968.50 . . Q . V . • 17.000 648.7789 948.23 . . Q . V. . -~ 17.083 655.2264 936.17 . . Q . V. . 17.1 661.4604 905.18 . . Q . V. . 17.250 667.2087 834.65 . . Q . V . 4 7 . 333 672.4709 764.07 . . Q . V . 17.417 677.4541 723.55 • . Q . V . -- 17.500 682.2371 694.50 . .Q . V . 17.583 686.8235 665.94 . .Q ~ V . ~ 1 691.2735 646.14 . . .V . 1 7 . 750 695.6196 631.06 . Q . .V . . . 17.833 699.8793 618.51 . Q . .V . 17.917 704.0466 605.08 . Q . .V . °, 1G. 708.1401 594.39 . Q. . .V . •"" "*** ** ********************************************************************* FLOW PROCESS FROM NODE 41.10 TO NODE 41.20 IS CODE = 3 )>>>> MODEL FLOW-THROUGH DETENTION BASIN ROUTING << ====___________====______ -- - ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 2 w� �°'I�� THROUGH A FLOW-THROUGH DETENTION BASIN 9� ,^ --^^ ~- USING FIVE-MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: or DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 PIP AN BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: == INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) ma 1 .00 .00 .000 2 1.66 91.32 1.120 3 2.66 185.25 5.000 ~� 4 4.66 429.54 18.000 5 6.66 733.90 42.250 mel 6 7.66 905.25 55.000 7 9.66 1282.02 90.000 www 8 1 1.66 1700.00 122.250 9 13.66 2155.78 156.000 ow 10 15.66 2646.16 190.000 11 17.66 3168.94 230.000 12 19.66 3722.23 270.000 ma 13 21.66 4304.43 309.500 ow ^ ' ` ~`_'_ (STREAM 2) � == V ffective depth ~� | (and volume) | V m detention <--> outflow basin | m ----------- ^ 1 \ | storage | basin outlet mg V OUTFLOW (STREAM 2) m =° BASIN ROUTING MODEL RESULTS(5-MINUTE INTERVALS): ~� TIME DEAD-STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE °. (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) _ -______ 14.083 .000 1680.7 10.78 1509.4 108.131 ~- 14.167 .000 1744.3 10.88 1526.7 109.630 14.250 .000 1858.1 11.01 1550.2 111.750 =^ 14.333 .000 1995.1 11.19 1582.3 114.593 14.417 .000 2113.4 11.39 1622.7 117.973 -~ 14.500 .000 2206.7 11.62 1668.6 121.678 14.583 .000 2269.9 11.85 1718.1 125.479 .~ 14.687 .000 2313.4 12.07 1768.9 129.229 14.750 .000 2346.1 12.29 1818.8 132.860 14.833 .000 2371.4 12.49 1866.8 136.336 ~ 14.917 .000 2391.8 12.69 1912.5 139.637 15.000 .000 2408.5 12.88 1955.8 142.754 ~- 15.083 .000 2422.8 13.05 1996.7 145.689 15.167 .000 2435.9 13.21 2035.2 148.448 ~~ 15.250 .000 2448.1° 13.37 2071.7 151.044 15.333 .000 2459.9 13.51 2105.3 153.485 15.417 .000 2443.9 13.64 2136.1 155.605 ~ 15.500 .000 2344.1 13.71 2159.4 156.877 15.583 .000 2124.6 13.69 2166.4 156.590 15.667 .000 1864.3 13.58 2150.7 154.617 15.750 .000 1675.7 13.40 2116.6 151.581 ~~ 15.833 .000 1573.0 13.19 2072.9 148.138 15.917 .000 1580.5 13.01 2028.8 145.051 16.000 .000 1707.1 12.89 1994.6 143.071 ~ 16.083 .000 2167.4 12.97 1989.5 144.297 16.167 .000 3135.6 13.41 2048.3 151.785 ~- 16.250 .000 4311.5 14.27 2201.7 166.316 16.333 .000 4674.9 15.18 2416.7 181.868 - 16.417 .000 4093.5 15.77 2601.5 192.143 16.500 .000 3528.7 16.05 2711.0 197.775 16.583 .000 3023.0 16.14 2759.6 199.589 16.667 .000 2780.0 16.14 2771.9 199.645 16.750 .000 2694.3 16.12 2768.9 199.132 - 16.833 .000 2647.6 16.08 2760.4 198.355 16'917 ' 000 2606.2 16.03 2748.9 197.372 -- 17.000 .000 2559.2 15.97 2734.6 196.164 17.083 .000 2517.5 15.90 2717.7 194.785 ~° 17.187 .000 2451.1 15.81 2697.6 193.088 17.250 .000 -772.0 15.70 71.2 190.751 m 17.727 .000 2183.7 15.52 2634.1 187.649 17.417 .000 2047.9 15.30 2585.5 183.946 17.500 .000 1933.0 15.06 2529.2 179.840 m 17 .000 1840.5 14.81 2468.4 175.515 17 .000 1771.5 14.55 2405.7 171.147 wm 17. .000 1715.9 14.30 2747.1 166.827 17833 .000 1670.7 14.05 2281.6 162.620 17.91 .000 1629.3 13.81 2221.8 158.539 .. 18.000 .000 1590.7 13.58 2164.6 154.587 44/ 18 .000 1554.6 13.35 2110.8 150.756 18.167 .000 1515.5 13.13 2059.7 147.008 18'250 .000 1466.8 12.91 2009.1 143.273 m 18 .000 1418.9 12.69 1958.8 139.555 18 417 .000 1384.3 12.47 1909.3 135.939 .000 1356 9 12 27 1861 4 132 m 18.500 . 465 . , , ~ 16.587 .000 1773.2 12.07 1815.5 129.143 18` .000 1310.4 11.88 1771.6 125.966 ml 18^750 .000 1289.9 11.70 1729.7 122.937 18^833 .00 1272.1 11.52 1690.4 120.056 °� 18.91 .000 1255.6 11.35 1657.8 117.313 19 .00' 1239.8 11.19 1619.1 114.701 ~= 19 .000 1224.8 11.04 1586.0 112.214 19 167 .000 1211.0 10.89 1554.6 109.847 = 19.250 .000 1197.8 10.75 1524.7 107.596 19 - 333 .000 '' 1185.2 10.62 1496.2 105.454 19.500 .000 1161.3 10.37 1443.3 101.472 ' 19.583 .000 1150.1 10.26 1418.7 99.622 19.667 .000 1139.4 10.15 1395.3 97.860 ~m* 19.750 .000 1129.1 10.04 1373.0 96.180 19.833 .000 1119.2 9.94 1351.7 94.579 . 19.917 .000 1109.7 9.85 1331.5 93.051 ri. **************************************************************************** FLOW PROCESS FROM NODE 41.20 TO NODE 43.00 IS CODE = 5 4M >>>>MODEL CHANNEL ROUTING BY THE CONVEX METHOD <<<<< . THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5-MINUTE MN INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August,1972, U.S. Department of Commerce). wit ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 15.00 CHANNEL Z = 1.50 UPSTREAM ELEVATION = 1590.00 . DOWNSTREAM ELEVATION = 1530.00 CHANNEL LENGTH(FT) = 3000.00 MANNINGS FACTOR = .014 ° - -^ CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2771.85 . AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1984.57 CHANNEL NORMAL VELOCITY FOR Q = 1984.57 CFS = 28.14 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .943 ~~ MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE - UNIT INTERVALS IS CSTAR = .999 - CONVEX METHOD CHANNEL ROUTING RESULTS: ~~ MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) -~ (HRS) (CFS) (CFS) 14.083 1509.4 1504.4 . 14.167 1526.7 1520.9 14.250 1550.2 1542.3 _ 14.333 1582.3 1571.5 14.417 1622.7 1609.1 ~ 14.500 1668.6 1653.1 ' 14.583 1718.1 1701.4 14.667 1768.9 1751.8 ~~ 14.750 1818.8 1802.0 14.833 1866.8 1850.6 ^~ 14.917 1912.5 1897.1 15.000 1955.8 1941.3 ~ 15.083 1996.7 1983.0 15.167 2035.2 2022.2 15.250 2071.3 2059.2 ~~ 15.333 2105.3 2093.9 15.417 2136.1 2125.8 =° 15.500 2159.4 2151.6 15.583 2166.4 2164.0 VINE 15.667 2150.7 2156.0 15.750 2116.6 2128.1 15.833 2072.9 2087.6 . 15.917 2028.8 2043.6 16.000 1994.6 2006.1 . 16. 083 1989.5 1991.2 16.167 2048.3 2028.5 . 16.250 2201.7 2150.1 16.333 2416.7 2344.4 . 16.417 2601.5 2539.3 16.500 2711.0 2674.1 16.583 2759.6 2743.2 . 16.667 2771.9 2767.7 16.750 2768.9 2769.9 *0 16.877 271-.0.4 2767.7 16.917 2748.9 2752.8 . 17.000 2734.6 2739.4 17.083 2717.7 2723.4 NI 17.167 2697.6 2704.4 17.250 2671.2 2680.1 17.333 2634.1 2646.6 . 17.417 2585.5 2601.9 17.500 2529.2 2548.2 ~^ 17.583 2468.4 2488.9 17.667 2405.7 2426.8 1,.,�v ��.��i --' 4 `� ^- -^^'' �'�'^-�' "' 17.833 2281.6 �30�. 17.917 2221.8 2241.9 18'000 2164.6 2183.8 18'083 2110.8 2128.9 18.167 2059.7 2076.9 18.250 2009.1 2026.1 18.333 1958.8 1975.7 18.417 1909.3 1925.9 18.500 1861.4 1877.5 18.583 1815.5 1831.0 18.667 1771.6 1786.4 18.750 1729.7 1743.8 18.833 1690.4 1703.6 18.917 1653.8 1666.1 19.000 161/.1 1630.8 19.083 1586.0 1597.2 19'167 1554.6 1565.2 19.250 1524.7 1534.7 19.333 1496.2 1505.8 19.417 1469.1 1478.2 19.500 1443.3 1452.0 19.583 1418.7 1427.0 19.667 1395.3 1403.2 19.750 1373.0 1380.5 19.833 1351.7 1358.9 19.917 1331.5 1338.3 20.000 1312.1 1318.6 � 4 * ********-******* *************************** ************************ ** FLOW PROCESS FROM NODE 43.20 TO NODE 43.00 IS CODE = 1 >>>>> UNIT-HYDROGRAPH ANALYSIS<<<< =_______ (UNIT-HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .228 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 36.491 WATERCOURSE LENGTH = 6200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 4000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 150.000 FEET BASIN FACTOR = .025 WATERSHED AREA = 119.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .492 LOW LOSS FRACTION = .379 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .76 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.30 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.60 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3 .13 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.75 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 11.00 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .642 30-MINUTE FACTOR = .659 1-HOUR FACTOR = .658 3-HOUR FACTOR = .933 6-HOUR FACTOR = .96/ 24-HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION ' INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 2.494 35.897 2 1.Z.1.10 19 . 3 41.937 368.805 ' 4 70.481 410.805 5 87.177 240.276 6 94.712 108.476 7 97.830 44.879 P pn 7^r-s 1 7 qpi . ' 9 99.365 9.207 ~� 10 99.746 5.483 11 99.937 2.742 = 12 100.000 .914 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 39.1326 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 67.9521 �� = �M Ara = mwo ^� �� = �� 411111 �� =m = _ __ . , _ . ------- - --- °= 24-HOUR STORM . R U N O F F H Y D R O G R A P H m ________= _ __= HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) AN TIME(HRS) VOLUME(AF) Q(CFS) 0. 75.0 150.0 225.0 300.0 im 15.083 37.0427 69.73 . Q. .V . . �� 15.167 167 37. 5254 70.09 09 . Q. . V . . 15.250 38.0107 70.47 . Q. . V • • 15.333 38.4990 70.89 . Q. . V . . �� 15.417 78.9820 70.17 . Q. . V . . 15.500 39.4223 63.93 . Q . . V . • . 15.587 79.7819 5^."1 . Q . . V . . 15.667 40.0552 39.69 . Q . . V . • =~ 15. 750 40.2885 33. 87 . Q . . V . • 15.833 40.5222 33.93 . Q . . V . • 15.917 40.7841 38.03 . Q . . V ~ . ., 16.000 41.1090 47.1e . Q . . v . • 16.083 41.6289 75.49 . Q . V . . .. 16.167 42.6817 152.88 . . Q V . • 16. 44.2208 223.47 . . . V Q. . ~~ 1/-.7:77 45.8007 270.56 . . . V Q • a6.417 46.8447 150.42 . . Q V . . °.. 1. 47.4786 92 05 . . Q . V . . 16.83 47.9632 70.35 . Q. • V . . 1 6.667 48.4216 66.56 . Q . . V . • ~- • 7 48.9067 70.44 . Q. . V . . 16.833 49.3957 71.00 . Q. . V. . -~ 16.917 49.8797 70.29 . Q. • V. . 17.000 50.3559 69.14 . Q. . V. . .. 17. 083 50.9276 67.91 . Q. ~ V. . 17.167 51.2697 64.77 . Q . . V . _ 17.250 51.6771 59.15 . Q . . V . 17 52.0402 52.73 . Q . . V . 17.417 52.3739 48.45 . Q . . V . ~~ 1 52.6902 45.97 . Q . . .V . 17.583 52.9954 44.32 . Q . . ~V . ^~ 17.667 53.2929 43.20 . Q . . .V . 1 53.5836 42.20 . GI . . .V . ~ 17.833 53.8682 41.32 . . . .V . 17.917 54.1473 40.53 . Q . . .V . 18.000 54.4215 39.81 . Q . . . V . °~ -~ **« ************************************************************************* FLOW PROCESS FROM NODE 44.00 TO NODE 43.00 IS CODE = 1 . �>>>> UNIT-HYDROGRAPH ANALYSIS _ - (UNIT-HYDROGRAPH ADDED TO STREAM #2) °~ WATERCOURSE "LAG" TIME = .337 HOURS . UNIT HYDROGRAPH TIME UNIT = 5. 000 MINUTES 4W UNIT INTERVAL PERCENTAGE OF LAG-TIME = 24.760 WATERCOURSE LENGTH = 18900.000 FEET .6 LENGTH FROM CONCENTRATION POINT TO CENTROID = 8000. 000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 290.000 FEET m BASIN FACTOR = .017 WATERSHED AREA = 1251.000 ACRES m BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED m. MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .444 LOW LOSS FRACTION = .370 *HYDROGRAPH MODEL #1 SPECIFIED* m SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .57 m SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.55 °� SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.95 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.53 m SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 10.45 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .642 30-MINUTE FACTOR = .658 m 1-HOUR 1-HOUR FACTOR = . 658 3-HOUR FACTOR = .933 � .."u.. ".. - ' '. ,"`` 24-HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: = MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 6.0 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) ~� 1 1.478 2 2 7.257 874.230 3 20.430 1992.946 *ow 4 37.860 2637.057 5 59.088 3211.631 6 75.831 2533.111 7 86.417 1601.575 8 92.403 905.729 9 95.948 536.274 10 97.826 284.162 11 98.468 97.185 12 98.933 70.244 =° 13 99.380 67.618 14 99.752 56.312 15 99.938 28.156 16 100.000 9.385 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 384.6550 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 684.7939 ,~ = �ka ~ 0,41 -~ AOM = w= _ . ~. _.,~ ._ _ 24-HOUR STORM RUNOFF HYDROGRAPH HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 425.0 850.0 1275.0 1700.0 ______ 15.083 368.3799 683.83 . . Q .V . . 15.167 373.1235 688.76 . . Q .V . . 15.250 377.9017 693.79 . . Q . V . 15.333 382.715 698.91 . . . V . . 15.417 387.5255 . . . Q . V . . 15.500 392.2163 681.11 . . Q . V . . 15.583 396.5924 635.40 . . Q . V . . 15.667 400.5569 575.65 . . Q . V . . 15.750 404.0484 506.97 . Q . V . . 15.833 407.2600 466.32 . Q . V . . 1 410.4785 467.32 . Q . V . . 16.000 414.0029 511.75 . . Q . V . . 16.083 418.5481 659.96 . . Q . V . . 16.167 425.0601 945.54 . . . Q V . . 16.250 434.2546 1335.05 . . . V .Q . 16.333 444.9146 1547.83 . . . V . Q . 16.417 456.3361 1658.40 . . . V . Q. 16.500 465.T599 1397.37 . . . V . Q . 16.583 473.4384 1085.88 . . . Q V . . 16.667 479.4570 873.90 . . Q V . . 16.750 464.6925 789.27 . . Q . V . . 16.833 489.9901 740.18 . . Q . V . . 16.917 494.8291 702.61 . . Q . V . . 17.000 499.6519 700.27 . . Q . V. . 17.083 504.4564 697.62 . . Q . V. . 17.167 509.1438 680.61 . . Q . V. . 17.250 513.5705 642.75, . . Q . V. . 17.333 517.7038 600.15 . . Q . V . 17.417 521.5196 554.06 . . Q . V . 17.500 525.0841 517.57 . . Q . V . 17.583 528.4632 490.64 . . . V . 17.667 531.7081 471.15 . .Q . .V . 17.750 534.8481 455.93 . 4 . .V . 17.833 537.9061 444.02 . Q . .V 17.917 540.9001 434.73 . Q . .V . 18.000 543.8360 426.30 . Q . . V **************************************************************************** FLOW PROCESS FROM NODE 43.00 TO NODE 404.00 IS CODE = 5 >>>>> MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<<< THE MODIFIED C-ROUTING COEFFICIENT ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEW TH(FT) = 20.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1530.00 DOWNSTREAM ELEVATION = 1450.00 CHANNEL LENGTH(FT) = 3650.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4348.15 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 2939.42 CHANNEL NORMAL VELOCITY FOR Q = 2939.42 CFS = 33.16 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .951 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = .999 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) (HRS) (CFS) (CFS) 15.083 2736.5 2720.1 ,,.�,, 15.250 2823.4 2808.6 ~~ 15.333 2863.7 2849.6 15.417 2894.4 2883.6 = 15.500 2896.6 2895.8 15.583 2851.6 2867.4 _° 15.667 2771.7 2799.4 15.750 2668.9 2704.8 . 15.833 2587.8 2616.2 15.917 2548.9 2562.6 16.000 2565.0 2559.4 mi 16.083 2726.6 2670.1 16.167 3127.0 2986.9 020 16.2 3708.7 3505.0 16.333 4122.8 3977.7 . 16.417 4348.1 4269.2 16.500 4163.5 4228.0 16.583 3899.5 3991.9 .= 16.667 3708.2 3775.2 16.750 3629.5 3657.1 ~~ 16.833 3574.4 3593.7 16.917 3525.7 3542.8 = 17.000 3508.8 3514.7 17.083 3488.9 3495.9 ~~ 17.167 3449.8 3463.5 17.250 3382.0 3405.7 17.333 7299.5 7728.4 ~~ 17.417 3204.4 3237.7 17.500 3111.7 3144.1 - 17.583 3023.8 3054.6 17.667 2941.2 2970.1 ~ 17.750 2862.3 2889.9 17.833 2787.6 2813.8 17.917 2717.2 2741.9 ~ 18.000 2649.9 2673.5 18.083 2585 2608.3 ~ 18.167 2523.5 2545.3 18.250 2460.2 2482.4 - 18.333 2396.3 2418.7 18.417 2332 2354.7 18.500 2271.8 2293.0 18.583 2215.6 2235.3 18.667 2163.4 2181.7 - 18.750 2114.4 2131.5 18.833 2068.5 2084.6 - 18.917 2025.9 2040.8 19.0( 1985.9 1999.9 , . 19.083 1947.7 1961.1 19.167 1911.4 1924.2 =, 19.250 1876.9 1889.0 19.333 1844.1 1855.6 19.417 1812.9 1823.8 ~~ 19.500 1783.1 1793.5 19.583 1754.7 1764.6 = 19.667 1727.6 1737.1 19.750 1701.7 1710.8 _ 19.833 1677.0 1685.7 19.917 1653.5 1661.7 20.000 1630.9 1638.8 _ ~. �***** **** *** *************************************************************** FLOW PROCESS FROM NODE 404.00 TO NODE 404.00 IS CODE = 1 >>>>> UNIT-HYDROGRAPH ANALYSIS << m. (UNIT-HYDROGRAPH ADDED TO STREAM #2) ww WATERCOURSE "LAG" TIME = .118 HOURS '� UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES 00 UNIT INTERVAL PERCENTAGE OF LAG-TIME = 70.386 WATERCOURSE LENGTH = 4000.000 FEET 00 LENGTH FROM CONCENTRATION POINT TO CENTROID = 1800.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 80.000 FEET 0. BASIN FACTOR = .020 WATERSHED AREA = 102.000 ACRES . BASEFLOW = .000 S UARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED 40 MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .411 LOW LOSS FRACTION = .350 *HYDROGRAPH MODEL #1 SPECIFIED* . SPECIFIED PEA 5-MINUTES RAINFALL(INCH)= .67 ~' SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.57 ��uz�u `�=. ^'i`""^^ ,,^ ... �� . ��^ /. �n, � SPECIFIED PEAK 6—HOUR RAINFALL(INCH) = 4.50 SPECIFIED PEAK 24—HOUR RAINFALL(INCH)= 10.00 = *USER SPECIFIED PRECIPITATION DEPTH—AREA REDUCTION FACTORS: 5—MINUTE FACTOR = .642 wo 30—MINUTE FACTOR = .658 1—HOUR FACTOR = .658 3—HOUR FACTOR = .933 6—HOUR FACTOR = .969 24—HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: ow MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH too NUMBER MEAN VALUES ORDINATES(CFS) 1 8.771 108.192 w� 2 53.386 550.356 3 89.505 445.558 4 97.972 104.439 5 99.358 17.099 " 6 99.743 4.752 7 99.936 2.376 wo 8 100.000 .792 TOTAL SOIL—LOSS VOLUME(ACRE—FEET) = 28.1884 wo TOTAL STORM RUNOFF VOLUME(ACRE—FEET) = 55. = �0 mw . ad 24-HOUR STORM = RUNOFF HYDROGRAPH = _ _ _ _ _ WO HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) �M TIME(HRS) VOLUME(AF) Q<CFS> 0. 75.0 150.0 22 5.0 300.0 tor � 15.083 30.4673 56.80 . Q . . V . . 15.167 30.8623 57.37 . . . V . . . 15.250 31.2615 57.96 . Q . . V • • 15.333 31.6654 58.64 . Q . . V . . ow 15.417 72.0551 56.59 . Q . . V . • 15.500 32.3542 43.42 . Q . . V . • °= 15. 583 72.5854 77.56 . . . V . . 15.667 32.8170 33.63 . Q • . V . • °� 15.750 33.0643 35.91 . Q . . V . . 15.833 33.3194 37.05 . Q . . V . • 15.917 33.6016 40.97 . Q . . V . . °� 16.000 33.9784 54.71 . Q . . V . • 16.083 34.7457 111.42 . . Q . V . . 41M0 1/ 76.5517 262. 22 . . . V . Q . 16.250 38.0050 211.02 . . . VQ . . °M 1L.777 78.5687 81.85 . Q . V . . 16.417 73.nP.i6 46.02 . Q . • V . • . 16.500 39.2301 50.02 . Q . . V . . 16.583 39.6257 57.44 . Q . . V . . 16.667 40.0238 57.81 . Q . . V . . . 16.750 40.4144 56.72 . Q . . V. . 16.833 40.7989 55.82 . Q . . V . *~ 16.o17 41.1778 55.02 . Q . . V. . 1 a1.5517 54.29 . Q . . V . - 17.083 41.9141 52.63 . Q . . V 17.67 42.2371 46.89 . Q . . V . 17 . , 50 42.5262 41.97 . Q V . =~ 1 42.8024 40.11 . Q . . V , 17.17 43.0716 39.09 . Q . . .V . . 17.'.00 47.7750 78.25 . Q . . .v , 17.583 43.5932 37.49 . . . .V . °� 17. 67 43.8467 36.81 . . . .V . 17. 44.0959 36.18 . . . ~V . 17. 33 44.341 35.6 . ~ . . V . =~ . 44.5824 35.05 . Q . . . V ~ 18.000 44.8202 34.53 . Q . . . V . WO ~� **4-****************************************** FLOW PROCESS FROM NODE 404.00 TO NODE 404.00 IS CODE = 7 == STREAM NUMBER 2 ADDED TO STREAM NUMBER 1 <<<<< __ -.. ' **************************************************************************** FLOW PROCESS FROM NODE .43 TO NODE .44 IS CODE = 3 °n >>>>> MODEL FLOW-THROUGH DETENTION BASIN ROUTlNG - �� r ~= ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 ��~~ THROUGH A FLOW-THROUGH DETENTION BASIN *dr USING FIVE-MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: °WO DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = . 000 MO SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 dad BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: as INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) Mil .00 .0 .000 2 .10 3000.00 .300 m 3 3 .00 3178.00 9.300 4 10.00 4352.00 95.700 5 20.00 5618.00 225.700 = 6 22 .00 5838.00 251.700 7 25.00 6154.00 290.700 do INFLOW ., (STREAM 1) | . � | . V ffective depth T- (and volume) | | | � *i. | | | V | detention |<-- outflow OM | ' b | __ � ^ | \ mo• | 1 storage : basin outlet V OUTFLOW = (STREAM 1) 4or ====__ ~= BASIN ROUTING MODEL RESULTS(5-MINUTE INTERVALS) : mig TIME DEAD-STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS> FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 4100 15 .000 4923.9 9.60 4252.9 90.719 15.167 .000 4993.5 9.97 4316.0 95.385 gm 15.250 .000 5060.5 10.34 4371.4 100.130 15.333 .000 5123.2 10.71 4418.8 104.982 ^.. 15.417 .000 5174.0 11.09 4466.1 109.857 15.500 .000 5191.0 11.45 4512.6 114.529 °~ 1 .000 5168.8 11.77 4555.9 118.750 15.667 .000 5114.5 12.05 4593.9 122.335 15.750 .000 5032.8 12.26 4625.1 125.143 ~~ 15.833 .000 4952.8 12.47 4648.9 127.236 15.917 .000 4908.2 12.55 4667.2 128.896 =- 16.000 .000 4923.6 12.68 4683.3 130.551 16.083 .000 5099.3 12.89 4704.6 133.269 ~_ 16. 167 .000 5583.9 13.33 4746.0 139.040 16.250 .000 6078.9 14.00 4816.4 147.735 ~~ 16.777 .000 6457.2 14.82 4910.6 158.386 16.417 .000 6751.7 15.74 5020.5 170.309 16.500 .000 �755.9 16.60 5133.0 181.487 41� 16.583 .000 65A4.1 17.30 5272.1 190.660 16.667 .000 6375.3 17.87 5312.4 197.980 == 16.750 .000 6276.5 18.34 5378.2 204.167 16.833 .000 6230.1 18.76 5435.0 209.643 16.917 .000 6195.6 19.14 5485.4 214.534 ~~ 17.000 .000 6183.5 19.49 5531.1 219.026 17.083 .000 6177.9 19.81 5573.3 223.190 =� 1 .000 6153.0 20.09 5611.0 226.923 17.250 .000 6102.5 20.34 5641.8 230.096 - 17. .000 6034.2 20.53 5665.9 232.632 17.417 .000 5951.7 20.67 5684.4 234.473 ~- 17.500 .000 5864.6 20.76 5697.1 235.627 17.583 .000 5779.8 20.80 5704.2 236.147 _ 17.667 .000 5698.5 17.750 .000 5620.4 20.76 �/VJ.� ��o.+ 17.833 .000 5545.4 20.68 5696.7 234.480 ~ 17'917 .0 5473.9 20.56 5686.1 233.018 18'000 .000 5405.2 20.42 5672.1 231.179 °� 18.083 .000 5338.7 20.25 5655.1 229.000 18.147 .000 5271.9 20.06 5635.3 '226.497 wlop 18.250 .000 5204.9 19.85 5611.6 223.696 18.333 .000 5137.8 19.61 5583.5 220.626 18'417 .000 5069.8 19.35 5552.4 217.303 =° 18.500 .000 5007.1 19.08 5518.9 213.751 18.583 .000 4939.6 18.79 5483.4 210.006 no 18.667 .000 4879.5 18.49 5446.2 206.103 18.750 .000 4822.2 18.18 5407.5 202.072 WO 18.877 .000 4767.7 17.86 5767.8 197. 18.917 .000 4716.1 17.54 5327.2 193.731 wwl 1 .000 4466.9 17.21 5285.9 189.468 19.083 .000 4619.6 16.88 5244.2 185.166 19.167 .000 4573.8 16.55 5202.2 180.839 4., 19.250 .000 452 16.21 5160.0 176.494 19.333 '.000 4485.2 15.88 5117.6 172.138 MI 19'417 .000 4442.5 15.54 5075 167.781 19 ^ 500 .000 4401.2 15.21 5032.8 163.431 "� 19583 .000 4761.1 14.88 4990.5 159.096 19 .000 4322.2 14.54 4948.4 154.784 ME 19 ' 750 . 000 4284. 5 14. 4906.5 150.00 19833 .000 4247.8 17.89 4865.0 146.249 19 .000 4212.2 13.56 4823.8 142.038 m� 20 000 .000 4177.6 13.24 4783.0 137.869 20'083 .000 4143.9 12.93 4742.6 133.746 mw 20 167 .000 4111.6 12.61 4702.7 129.675 ^ z�.>^�z^' 20.417 .000 4024.3 11.70 4586.6 11 . 20.500 .000 3996.6 11.41 4549.2 114.047 20.583 .000 3969.4 11.12 4512.5 110.308 = 20.667 .000 3942.7 10.84 4476.4 106.632 20.750 .000 3916.3 10.56 4440.9 103.020 = 20 .000 3890.4 10.29 4406.0 99.469 20.917 .000 3864.9 10.02 4371.7 95.978 . - /..,..-k- mix FLOW PROCESS FROM NODE 4.00 TO NODE 4. 10 IS CODE = 1 _ . >>>>>UNIT-HYDROGRAPH ANALYSIS << ======__ . (UNIT-HYDROGRAPH ADDED TO STREAM #1) . WATERCOURSE "LAG" TIME = .126 HOURS . UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 66.144 . WATERCOURSE LENGTH = 12200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 2400.000 FEET - ELEVATION VARIATION ALONG WATERCOURSE = 640.000 FEET BASIN FACTOR = .015 == WATERSHED AREA = 585.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE - VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .291 _ LOW LOSS FRACTION = .246 *HYDROGRAPH MODEL #1 SPECIFIED* ~- SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .58 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 = SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.58 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.07 _~ SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.65 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 10.60 ~~ *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .642 -~ 30-MINUTE FACTOR = .658 1-HOUR FACTOR = .658 °- 3-HOUR FACTOR = .933 6-HOUR FACTOR = .969 ~~ 24-HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: ~= MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 . ***> NOTE: RATIO OF (LENGTH TO CENTROID) / (LENGTH OF WATERCOURSE) = IS NOT BETWEEN [.25] AND [.75] - = ===------- - UNIT HYDROGRAPH DETERMINATION . INTERVAL "S" GRAPH UNIT HYDROGRAPH . NUMBER MEAN VALUES ORDINATES(CFS) ______ _______ 1 7.759 548.912 =" 2 48.578 2887.896 3 86.696 2696.776 . 4 97.286 749.255 5 99.141 131.231 ~= 6 99.656 ^ 7 99.914 . 8 100.000 6. 077 . ________ _ __ ___ TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 121.2618 . TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 385.9872 ___ ___ ________ . . . . . -^'-�� ^�� `, _ . ==== ----- ----- - � 24-HOUR STORM . RUNOFF HYDROGRAPH = HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) O. 350.0 700.0 1050.0 1400.0 All 15.083 215.8310 409.59 . .Q . V . . 15.167 218.6692 412.11 . .Q . V . . "� 15.250 221.5257 414.76 . .Q . V . . 15.333 224.4030 417.79 . .Q . V . . As 15.417 227.1807 403.32 . .Q . V . . 15.500 229.3469 314.54 . Q . . V . . .� 15.583 230.9757 236.50 . Q . . V . • 15.667 232.5574 229.66 . Q . . V . • *sr 15.750 234.2639 247.79 . Q . . V . • 15.833 236.1713 276.95 . Q . . V . . 15.917 238.3852 321.46 . Q. . V . . - 16.000 241.2446 415.19 . .Q . V . • 16.083 246.0660 700.06 . • Q V . • ~~ 16.167 255.4309 1359.78 . • . V . Q . 16. 263.7282 1204.77 . • . V . Q • - 16.3 267.5 556.65 . . Q . V . • 16.17 269.7787 321.88 . Q. . V . . 16.500 272.1368 342.38 . Q. . V . • 165 .83 274.9074 402.30 . .Q • V . • 16.667 277.7512 412.91 . . . V . . - 16.750 280.5689 409.13 . .Q . V. . 16.833 283.3611 405.42 . . . V. . 16.917 284.1294 401.97 . . Q . V. . 17.000 288.8751 398.67 . .Q . V. . _ 17.083 291.5380 386.65 . .Q . V . 17.167 293.8557 336.52 . Q. . V . 17.250 295.8372 287.72 . Q . . V . ~~ 17,333 297.6907 269.12 . Q . . V . 17.417 299.4857 260.63 . Q . . .V . ~ 17.500 301.2360 254.15 . Q . . .V . 17.583 302.9469 248.43 . Q . . ~V . - 17.667 304.6227 247.72 . Q . . .V . 17.750 306.2665 278.68 . Q . . .V . 17.833 307.8806 274.36 . Q . . .V . 17.917 309.4669 230.34 . Q . . . V . 15.000 311.0273 226.57 . Q . . . V . « �** * *********************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 2.00 IS CODE = 1 _____ _________ >>>>> UNIT-HYDROGRAPH ANALYSIS <<< ____ (UNIT-HYDROGRAPH ADDED TO STREAM #3) -' WATERCOURSE "LAG" TIME = .636 HOURS = UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES = UNIT INTERVAL PERCENTAGE OF LAG-TIME = 13.099 WATERCOURSE LENGTH = 9400.000 FEET =° ''~~-' CONCENTRATION POINT TO CENTROID = 11600.000 FEET ^~ ��''ION - VARIATION ALONG WATERCOURSE = 3880.000 FEET . BASIN FACTOR = .045 WATERSHED AREA = 1960.000 ACRES °~ BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 �� FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .350 ~° VALLEY (UNDEVELOPED/DESERT) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 . MAXIMUM WATERSHED LOSS RATE (INCH/HOUR) = .308 LOW LOSS FRACTION = .132 . *HYDROGRAPH MODEL *1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .76 ~= SPECIFIED PEAKK 30-MINUTES PAINFALL(INCH) = 1.55 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 2.08 = SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 4.13 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 6.94 . SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 16.80 _______ .`J,.6." %J.Lta^. ^�� ..`��^. A .ri . ^"/° ��/ /'. 1 ,i...1,"4�1 4 Lo.` 1 r ti, '`" 5-MINUTE FACTOR = .642 ~~ 30-MINUTE FACTOR = .658 1-HOUR FACTOR = .658 = 3-HOUR FACTOR = .933 6-HOUR FACTOR = .969 . 24-HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: . MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 °~ . _____ _ _ _ _ _ UNIT HYDROGRAPH DETERMINATION . INTERVAL "S" GRAPH UNIT HYDROGRAPH AN NUMBER MEAN VALUES ORDINATES(CFS) ~~ 1 1.044 247.359 2 3.531 589.553 ~~ 3 77.057 874.867 4 12.182 1215.882 5 18.808 1570.458 ~° 6 26.263 1767.202 7 34.726 2005.931 = 8 47.713 3078.425 9 55.839 1926.252 . 10 60.977 1217.831 11 65.022 958.946 . 12 68.433 808.451 13 71.241 665.700 14 73.871 627.7:4 ~- 15 76.097 527.631 16 78.176 492.897 ^~ 17 79.967 424.545 18 81.650 398.755 ~~ 19 87.152 356.225 20 84.535 327.713 =• 21 85.757 289.598 22 86.890 268.642 23 87.937 248.179 ~*" 24 88.872 221.534 25 89.725 202.335 ~~ 26 90.466 175.556 27 91.146 161.115 ~~ 28 91.752 143.669 29 92.324 135.571 30 92.821 117.803 ~ 31 93.278 108.390 2 93.599 76.083 - 33 93.893 69.824 34 94.188 69.884 =~ -= 94.478 68.575 36 94.748 64.064 37 95.016 63.629 -~ 38 95.285 63.641 39 95.529 57.912 - 40 95.750 52.324 41 95.970 52.174 -° 42 96.190 52.174 43 96.405 51.085 =m 44 96.617 50.022 45 96.828 50.022 46 97.038 49.926 °~ 47 97.277 47.076 48 97.402 39.160 . 49 97.521 28.279 50 97.640 28.055 . 51 97.752 26.523 52 97.862 26.101 . 53 97.972 26.053 54 98.079 25.407 55 98.172 22.168 ~w 56 98.264 21.723 57 98.356 21.721 . 58 98.450 22.342 59 98.550 23.850 . 60 98.651 23 .B99 61 98.752 23.901 =m 62 98.829 18.307 63 98.875 10.936 64 98.921 10.836 = 65 98.967 10.887 66 99.013 10.862 = 67 99.059 10.885 68 99.105 10.836 70 99.196 10.885 71 99.242 10.836 72 99.288 10.885 = 73 99.334 10.836 74 99.380 10.887 � 75 99.426 10.885 76 99.471 10.836 77 99.512 9.650 = 78 99.535 5.442 79 99.557 5.147 = 80 99.578 5.047 81 99.600 5.147 = 82 99.621 5.145 83 99.643 5.096 84 99.667 5.642 85 99.688 5.096 86 99.710 5.096 87 99.731 5.096 88 99.753 5.096 89 99.774 5.098 90 99.796 5.096 91 99.817 5.096 92 99.839 5.096 93 99.860 5.096 °� 94 99.882 5.098 95 99.903 5.096 = 96 99.925 5.096 97 99.946 5.096 ° - 92 99.968 5.096 99 99.989 5.098 100.000 2.555 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = :49.7609 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2344.0370 °° � �� = � 411. � � 411 low AMO � 24-HOUR STORM RUNOFF HYDROGRAPH HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 775.0 1550.0 2325.0 3100.0 15 0 1221 7900 195 9 V ^ ^ ^ . . ^ ^ 15.167 1235 3980 1975 82 .V ^ ^ ^ . ^ ^ ^ ^ 15.250 1249.1130 1991.44 . . .V Q . 15.333 1262.9350 2007.00 . . . Q . . 15.417 1276.7740 . . . .V Q . . 15.500 1290.5160 1995.25 . . . V Q . . 15.583 1304.0860 1970.37 . . . V Q . . 15.467 1317.3750 1929.67 . . . V Q . . 15.750 13:0.2960 1876.03 . . . V Q . . 15.833 1342.8370 1821.06 . . . VQ . . 15.917 1355.0220 1769.28 . . . QV . . 16.000 1366.6660 1690.58 . . .Q V . . 16.083 1378.9160 1778.77 . . . QV . . [ 16.167 1392.3300 1947.70 . . . V Q . . 16.250 1406.7720 2097.03 . . . V Q . . 16.333 1422.5690 2293.63 . . . V Q. . 16.417 1439.6260 2476.74 . . . V . . 16.500 1457.6520 2617.31 . . . V . Q . 16.583 1476.6490 2758.34 . . . V . Q 16.667 1497.9580 3094.10 . . . V . Q. 16.750 1516.0340 2624.58 . . . V . Q . 16.833 1532.0580 2326.75 . . . V Q . 16.917 1547.4030 2228.11 . . . V Q . . 17.000 1562.8930 2249.1 . . . V Q. . 17.083 1578.2800 2234.16 . . . V Q . . 17.167 1593.5960 2223.85 . . . VQ . . 17.250 1608.6450 2185.12 . . . VQ . . 17.333 1623.5140 2158.95' . . . Q . . 17.417 16 .0650 2112.92 . . . Q . . j 17.500 1652.3860 2079.32 . . . Q V . . 17.583 1666.3900 2033.41 . . . Q V . . 17.667 1680.0090 1977.54 . . . Q V . . 17.750 1693.3030 1970.17 . . . Q V . . 17.833 1706.3730 1897.85 . . . Q V. . 17.917 1719.2380 1867.88 . . . Q V. . 18.000 1731.8990 1838.40 . . . Q V. . . **************************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 2.10 IS CODE = 5 >>>>>MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<<< _____ THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: B SE DTH (F ) = 25.00 CHANNEL Z = 2.50 UPSTREAM ELEVATION = 2160.00 DOWNSTREAM ELEVATION = 1950.00 CHANNEL LENGTH(FT) = 2400.00 MANNINGS FACTOR = .030 ) / CHANNEL ROUTING COEFFICIENT ESTIMATED: | MAXIMUM INFLOW(CFS) = 3094.10 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1952.73 CHANNEL NORMAL VELOCITY FOR Q = 1952.73 CFS = 23.99 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .934 } MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE ( UNIT INTERVALS IS CSTAR = .999 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW -- TFLOW TIME (STREAM 3) (STREAM 3) . (HRS) (CFS) (CFS) 15.083 1958.9 1953.6 ' ^�.^�'~_� . �� 2 _ ��_�� -_ �, `_e� .^�,_ '_��^s,^� �=:��-,'^'��^ �� 15.250 1991.4 1986.6 15.333 2007.0 2002.1 15.417 2009.4 2008.6 15.500 1995.3 1999.7 15.583 1970.4 1978.1 15.667 1929.7 1942.4 15.750 1876.0 1892.8 15.833 1821.1 1838.2 15.917 1769.2. 1785.5 16.000 1690.6 1715.2 16.083 1778.8 1751.3 16.167 1947.7 1894.9 16.250 2097.0 2050.3 16. . . 16.417 2476.7 2419.5 16.500 2617.3 2573.4 16.583 2758.3 2714.3 16.667 3094.1 2989.2 16.750 2624.6 2771.0 16.833 2326.8 2419.9 16.917 2228.1 2259.0 17.000 49. 2242.6 17.083 2234.2 2238.8 17.167 2223.9 2227.1 17.250 2185.1 2197.2 17.777 2159.0 2167.1 17417 2112.9 2127.2. 17.500 2079.3 2089.8 17.583 2033.4 2047.8 17.667 1977.5 995.0 17.750 1970.2 1945.0 17.833 1897./ 1908.0 17.917 1867.9 1877.3 18.000 1838.4 1847.6 **************************************************************************** FLOW PROCESS FROM NODE 2.10 TO NODE 3.00 IS CODE = 5 >>>> CHANNEL ROUTING By THE CONVEX METHOD‹<<<{ THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, Au8ust,1972, U.S. Department of Commerce). ASSUMED GU CHANNEL INFORMATION: BASEWIDTH(FT) = 15.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1950.00 DOWNSTREAM ELEVATION = 1570.00 CHANNEL LENGTH(FT) = 6700.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW( FS) = 2989.23 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1919.26 CHANNEL NORMAL VELOCITY FOR Q = 1919.26 CFS = 42.24 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .961 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = .995 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 1953.6 1944.5 15.167 1970.5 1961.8 15.250 1986.6 1978.3 15.777 2002.1 . 1994.1 15.417 2008.6 2005. 15.500 1999.7 2004. 15.583 1978.1 1989. 15.667 1942.4 1960.7 15.750 1892.8 1918.2 15.833 1838.2 1866.2 15.917 1785.5 1812.5 } 16.000 1715.2 1751.2 16.083 1751.3 1733.0 16.167 1894.1 1821.5 16.250 2050.3 1970.6 16.333 2232.2 2139.0 Iu. �^, ��,.� �"�". -' - 16.500 2573.4 2494.4 =° 16.583 2714.3 2641.9 16.667 2989.2 2848.5 . 16.750 2771.0 2881.8 16.833 2419.9 2599.7 - 16.917 2259.0 2742.0 17.000 2242.6 2251.4 . 17.083 2238.8 2240.8 17.167 2227.1 2233 17.250 2197.2 2212.5 . 17.333 2167.1 2182.6 17.417 2127.3 2147.7 . 17.500 2089.8 2109.1 17.583 2047.8 2069.3 . 17.667 1995.0 2022.0 17.750 1945.0 1970.6 =* 17.833 1908.0 1927.0 17.917 1877.3 1893.0 18.000 1847.6 1862.8 . are . ..- .- 3 4 . -, < -4--<"*.c.***k-************************************************************* FLOW PROCESS FROM NODE 3.00 TO NODE 3.00 IS CODE = 1 . >)>>> UNIT-HYDROGRAPH ANALYSIS = --= --- ----- = (UNIT-HYDROGRAPH ADDED TO STREAM #3> - WATERCOURSE "LAG" TIME = .261 HOURS =^ UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 31.976 - WATERCOURSE LENGTH = 17800.000 FEET == LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2300.000 FEET . BASIN FACTOR = .020 WATERSHED AREA = 1947.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .350 . FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 ~~ VALLEY (UNDEVELOPED/DESERT) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 _ MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .475 LOW LOSS FRACTION = .349 = *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .60 ~ SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.26 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.69 ~ SPECIFIED PEAK 3-HOUR RAINFALL (INCH) = 3.30 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.10 ~~ SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 11.50 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: = 5-MINUTE FACTOR = .642 30-MINUTE FACTOR = .658 °~ 1-HOUR FACTOR = . 658 3-HOUR FACTOR = .933 . 6-HOUR FACTOR = .96/ 24-HOUR FACTOR = .982 =° RUNOFF WTDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 mmo MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 = ==_ ________ ____ . UNIT HYDROGRAPH DETERMINATION - -- -- . INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) *N ___________ 1 2 52 .475 °° 2 1 0.878 207.J.799 3 28.831 4227.423 am 4 57.779 6806. 794 5 73 3664.560 6 82.163 2086.481 ~~ 7 87.737 1312.598 8 91.338 847.810 °-- 9 97.725 562.004 10 95.592 439.556 12 97.956 229.866 13 98.589 149.075 14 98.882 68.891 15 99.114 54.530 16 99.316 47.660 17 99.458 33 18 99.599 33 =° 19 99.741 33.355 20 99.883 33.357 21 100.000 27.628 woe TOTAL SOIL—LOSS VOLUME(ACRE—FEET) = 622 9662 � = TOTAL STORM RUNOFF VOLUME(ACRE—FEET) = 1�08.6990 =m *se �1W Mft MM = °� MN1 MOI • = • = °� aea • Mm = . = 24-HOUR STORM -= RUNOFF HYDROGRAPH . HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) = TIME(HRS) VOLUME(AF) Q(CFS) 0. 850.0 1700.0 2550.0 3400.0 two 15.083 654.8770 1249.75 . . Q .V . . 15.167 663.5349 1257.14 . . .V . • =" 15.250 672.2435 1264.49 . • Q . V . • 15.333 681.0084 1272.66 . . . V . • . Ago 15.417 689.7220 1265.21 . . Q . V . . 15.500 698.0856 1214.39 . . Q . V . • °� 15.583 705.6723 1101.59 . . Q . V . • 15.667 712.0137 920.77 . Q . V . . . 15.750 717.8631 849.33 . Q. . V . • 15'833 723.6887 845.88 . Q. . V . • ~~ 15.91 729.8163 889.73 . Q . V . • 16.000 736.7369 1004.87 . .Q . V • 16.083 745.8940 1329.61 . . Q . V . . °= 16.167 759.4370 1/66.45 . . . Q V . . 16.250 778.1079 2711.02 . . . V .0 . ~� 16.33 800.8886 3307.75 . . . V . Q ~ 16.417 816.4550 2260.23 . . . QV . . ~= 16.500 828.0663 1685.97 . . Q. V . . 16.583 838.0323 1447.06 . . Q . V . . 16.667 847.8022 1418.59 . . Q . V . • - 1 857.3285 1383.21 . . Q . V . . 16.833 866.7249 1364.36 . . Q . V . . -� 16.917 875.9230 1335.55 . . Q . V . . 17.000 884.9002 1303.49 . . Q . V. . _~ 17.083 893.6162 1265.57 . . Q . V. . 17.167 901.9505 1210.14 . . 0 . V. ^ 17.250 909.8185 1142.44 . . Q . V . 17.333 916.9722 1038.71 . . Q . V . 17.417 923.6645 971.72 . .0 . V . . 17.500 930.0519 927.45 . 0 . V . 17. 936.2059 893.57 . 0 . V . = 17.667 942.1691 865.86 . Q . .V . 17.750 947.9553 840.1 . Q. . .V . _ 17.833 953.5452 811.65 . 0. . .V . 17.917 959.0110 793.64 . Q. . .V . 18.000 964.3705 778.20 . Q. . .V . . =~ ,*************************************************************************** FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 5 . >>>>> MODEL CHANNEL ROUTING BY THE CONVEX METHOD. <<<< ----------------- . ~~ THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5-MINUTE ., INTERVALS(Reference: the National Engineering Handboo Hydrology, Chapter 17, page 17-52, August,1972, m U.S. Departm of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: m BASEWIDTH(FT) = 22.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1570.00 MI DOWNSTREAM ELEVATION = 1380.00 CHANNEL LENGTH(FT) = 5500.00 MANNINGS FACTOR = .014 ~= WM CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 5446.73 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3376.02 . CHANNEL NORMAL VELOCITY FOR 0 = 3376.02 CFS = 39.67 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .959 MW MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE . UNIT INTERVALS IS CSTAR = .997 mIll CONVEX METHOD CHANNEL ROUTING RESULTS: ' MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) . (HRS) (CFS) (CFS) 15.083 3194.2 3182.4 ^�. ^"' 15.250 3242.8 3232 ' 15.333 3266.8 :256.1 15.417 3270.5 3268.8 "= 15.500 3218.6 3241.7 15.583 3090.7 3147.7 - 15.667 2881.5 2974.7 15.750 2767.5 2818.5 °= 15.0:: 2712.1 2736.9 15.917 2702.3 2706.7 16.000 2756.1 2732.2 ~" 1 3062.6 2926.2 16.167 3787.9 3465.0 4 16. 250 4681.7 4283.3 16.333 5446.7 5105.4 = 16.417 4583.7 4966.5 16.500 4180.3 4360.8 = 16.583 4089.0 4130.1 16.667 4267.1 4188.0 16.750 4265.0 4265.7 . 16.07: 7964.1 4097.9 16.917 3677.6 3805.4 ~~ 1.7.(q 7554.9 7609.8 17.083 3506.4 3528.1 17.167 3443.2 3471.4 ~. 17.250 3354.9 3394.3 17.333 3221.3 3280.8 4I= 17.417 3119.4 3164.9 17.500 3036.5 3073.5 . 17.583 2962.9 2995.7 17.667 2887.9 2921.3 '� 17.750 2810.8 2845.2 17.833 2738.6 2770.8 17.917 2686.7 2709.9 ~~ 18.000 2641.0 2661.4 = +*************************************************************************** "� FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 2 ' FLOWBY STRUCTURE ROUTING MODEL<<<<< ============_ _ _ ~ - MODEL STREAM NUMBER 3 FLOWING PAST A FLOWBY STRUCTURE: ~~ FLOWRATES IN STREAM # 3 WHICH ARE GREATER THAN 3100'0 CFS ARE ASSUMED TO BE EXCESS FLOWS. ~. FLOW EXCESS IS ASSUMED TO BE ADDED TO STREAM NUMBER 1 ~~ INFLOW INFLOW (STREAM 1) (STREAM 3) = � | | | =~ | flow excess | |< * <=flowby structure | _~ | (flowby Q = 3100.0 cfs) | � | | ~~ | | V V . STREAM 1 STREAM 3 + FLOW EXCESS FLOWBY ^w . FLOWBY BASIN MODELING RESULTS: As MODEL INFLOW INFLOW OUTFLOW FLOWBY -° TIME (STREAM 1) (STREAM 3) (STREAM 1) (STREAM 3) (HRS) (CFS) (CFS) (CFS) (CFS) w10 15.083 4662.5 3182.4 4744.9 3100.0 15.167 4728.1 3207.9 4836.1 3100.0 15.250 4786.2 3232 4918.4 3100.0 . 15.: 3 4836.6 7256.1 4992.7 3100.0 15.417 ''569.4 3268.8 5038.3 3100.0 «. 15.500 4827.2 3241.7 4968.8 3100.0 15.583 4792.4 147.7 48-0.1 3100.0 .. 15.667 4823.6 2974.7 4823.6 2974.7 15.750 4872.9 2818.5 4872.9 2818.5 mor 15.833 4925.9 2736.9 4925.9 2736.9 15.917 4 2706.7 4988.7 2706.7 16.000 5098.5 2732.2 5098.5 '77' . 16.083 5404.7 2926.2 5404.7 2926.2 16.167 3465.0 6470.7 3100.0 °. 16.250 �� 4283.3 7204.5 3100.0 �� 16.333 5467.3 ' 7472.6 3100 ��^�� . 0 ~- ~� ~'" - ____ _ �^^^ ^ . . ', � ' ' ^.��^ -- ' ^`---`�/�_�°�-- ---r. '4. ------- 16.500 5475.4 4360.8 6736.2 3100.0 16.583 5634.4 4130.1 6664.5 3100.0 16.667 5725.3 4188.0 6813.3 3100.0 16.750 5787.3 4265.7 6953.0 3100.0 16.833 5840.4 4097.9 6838. 3100.0 16.917 5887.4 . 6592.8 . 17.000 5929.8 3609.8 6439.6 3100.0 17.083 5959.9 3528.1 6388.1 3100.0 17.167 5947.5 3471.4 6318.9 3100.0 17.250 .5 3394.3 6223.8 3100.0 17. 5935.1 3280.8 6115.9 3100.0 17. 5945.1 3164.9 6010.0 3100.0 17.500 .3 3073.5 5951.3 3073.5 17.583 . 2995.7 . 2995.7 - 17.667 5949.5 2921.3 5949.5 2921.3 17.750 5942.2 2845.2 5942.2 2845.2 17.833 5931.1 2770.8 5931.1 2770.8 17.917 5916.4 2709.9 5916.4 2709.9 18.000 5898.7 2661.4 5898.7 2661.4 **************************************************************************** FLOW PROCESS FROM NODE 4.10 TO NODE 4.00 IS CODE = 3 - ' FLOW-THROUGH DETENTION BASIN ROUT%NG<<<<< �� y � �' �� -- ROUTE RUNOFF HYDROGRAPH FROM STREAM 1 �� ~~ THROUGH A FLOW-THROUGH T BASIN USING FIVE-MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: DEAD STORAGE(AF) = .000 - SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 - BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE , NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 - 2 .00 32.00 .2 .... . 54.00 61.400 � 4 10.00 576.00 182.000 5 14.00 743.00 379.100 - 6 18.00 1275.00 604.500 7 22.00 1556.00 883.900 8 26.00 .00 1163.100 9 30.00 . 1457.900 10 34.00 2726.00 1768. 11 38.00 2978.00 2078.900 12 42.00 3210.00 2421.300 13 46.00 3425.00 2763.700 14 48.00 3528.00 2934.500 _ 15 50.00 5624.00 3119.300 16 52.00 8429.00 3304.100 INFLOW (STREAM 1) V ffective depth T- (and volume) | | | | | | | V | detention |<--> outflow | basin | ^ | \ | storage | basin outlet V OUTFLOW (STREAM 1) _ ______ BASIN ROUTING MODEL RESULTS(5-MINUTE INTERVALS): TIME DEAD-STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 15.083 .000 4744.9 6 .4 1666.031 15.167 .000 4836.1 32.88 . 1681.156 15.250 .000 4918.4 33.08 2653.8 1696.751 15.417 .000 5038.3 33.49 2682.8 1728.982 =~ 15. .000 4968.8 33.69 2697.3 1744.626 15.583 .000 4840.1 33.88 2711.1 1759.289 = 15'667 .000 4823.6 34.07 2724.0 1773.748 15'750 .000 4872.9 34.26 2736.3 1788.4 . 15.87.7 .000 4925.9 . 2748.4 .4 15.917 .000 4988.7 34.65 2760.7 1818.804 16.000 .000 5098.5 34.86 2773.4 1834.817 es 16.083 .000 5404.7 35.09 2787.2 1852.844 16.167 .000 6470.7 35.41 2804.8 1878.091 ~o. 16.250 .000 7204.5 35.80 2827.3 1908.237 16.333 .000 7472.6 36.21 2852.4 1940.057 00 16.417 .000 7208.9 36.60 2877.4 1969.888 16.500 .000 6736.2 36.94 2900.2 1996.306 16.583 .000 6664.5 37.27 2921.4 2022.085 00 16.667 .000 6813.3 37.61 2942.7 2048.742 16.750 .000 6953.0 37.97 2964.7 2076.210 age 16.833 .000 6838.3 38.28 2985.0 2102.748 16.917 .000 6592.8 38.57 3002.5 2127.474 �� 17.000 .000 6439.6 38.84 3018.9 2151.032 17.083 .000 6388.1 39.11 3034.7 2174.127 *m 17.167 .000 6318.9 39.38 3050.1 2196.639 17.250 .000 6223.8 39.63 3065.1 2218.392 17.333 .000 611 39.87 3079.6 2239.303 =° 17.417 .000 6010.0 40.11 3093.5 2259.389 17.500 .000 5951.3 40.34 7106.9 2278.978 "� 17'583 .000 5952.6 40.57 3120.2 2298.485 17.667 .000 5949.5 40.79 3133.4 2317.880 . 17.750 .000 5942.2 41.02 3146.4 2337.134 17.833 .000 5931.1 41.24 3159.4 2356.222 ~W 17.917 .000 5916.4 41.46 3172.3 2375.121 18.000 .000 5898.7 41.68 3185.0 2393.811 18.083 .000 5876.9 41.89 3197.6 2412.263 = 18.167 .000 5847.0 42.11 3209.8 2430.425 18.250 .000 5813.7 42.32 3221.3 2448.278 °= 18.333 .000 5780.7 42.52 3232.5 2465.829 18.417 .000 5746.3 42.72 3243.4 2483.067 _ 18.500 .000 5709.9 42.92 3254.1 2499.980 18.583 .000 5671.7 43.11 3264.6 2516.558 _^ 18.667 .000 5631.9 43.30 3274.9 2532.790 18.750 .000 5590.8 43.49 3285.0 2548.671 18.833 .000 5548.7 43.67 3294.9 2564.193 ~- 18.917 .000 5505.9 43.85 3304.5 2579.354 19.000 .000 5462.5 44.02 3313.9 2594.152 ~ 19.083 .000 5418.8 44.19 3323.1 2608.585 19.167 .000 5374.8 44.75 3772.0 2622.654 19.250 .000 5330.7 44.51 3340.7 2636.359 -~ 19.333 .000 5286.5 44.67 3349.2 2649.701 19.417 .000 5242.3 44.82 3357.5 2662.682 0. 19.500 .000 5198.2 44.97 3365.5 2675.303 19.583 .000 5154.3 45.11 3373.3 2687.569 ~~ 19.667 .000 5110.6 45.25 3380.9 2699.481 19.750 .000 5067.3 45.38 3388.3 2711.044 .� 19'833 .000 5024.2 45.52 3395.5 2722.261 19.917 .000 4981.6 45.64 3402.4 2733.137 20.000 .000 4939.4 45.77 3409.1 2743.677 ~~ 20.083 .000 4897.7 45.89 3415.6 2753.884 20.167 .000 4856.5 46.00 3421.9 2763.763 °~ 20.250 .000 4815.9 46.11 3427.9 2773.322 20.333 .000 4776.0 46.22 3433.6 2782.567 ~� 20.417 .000 4736.7 46.33 3439.1 2791.504 20.500 .000 4698.2 46.43 7444.4 28 0.139 .. 20'583 .000 4660.3 46.52 3449.5 2808.478 20.667 .000 4623.1 46.62 3454.4 2816.527 20.750 .000 4586.5 46.71 3459.2 2824.291 °.. 20.833 .000 4550.6 46.80 3463.8 2831.776 20.917 .000 4515.3 46.88 3468.2 2838.987 m 21.000 .000 4474.8 46.96 3472.5 2845.890 21.083 .000 4429.2 47.04 3476.5 2852.451 00 21.167 .000 4384.9 47.11 3480.4 2858.681 21.250 .000 4342.4 47.18 3484.1 2864.592 MI - .000 4301.4 47.25 3487.5 2870.198 21.417 .000 4262.0 47.31 3490.8 2875.509 21.500 .000 4224.0 47.37 3493.9 2880.537 .0 21.583 .000 4187.2 47.42 3496.9 2885.291 21.667 .000 4151.7 47.48 3499.7 2889.781 4111W 21.750 .000 4117.3 47.53 350f.3 2894.017 21.833 .000 4084.0 47.57 3504.8 2898.006 °� 21.917 .000 4051.7 47.62 3507.1 2901.756 22.000 .000 4020.3 47.66 3509.3 2905.275 =iw 22.083 .000 3989.7 47.70 3511.4 2908.569 22'167 .000 7960.1 47.73 3513.3 2911.646 22 .000 3931.1 47.77 3515.1 2914.511 ~� 22 .000 3902.7 47.80 3516.7 2917.170 22.417 .000 3874.8 47.83 3518.3 2919.625 m 22.500 .000 3847.4 47.85 3519.7 2921.881 22.587 .000 7820.7 47.88 3521.0 2927.94; �� • "" • .~.� �, ' .1 . -�" , ��s .^u ' 22.750 .000 3767.6 47.92 3523.3 2927.496 °" 22 .833 .000 3741.8 47.94 7524.2 2928.994 22.917 .000 3716.4 47.95 3525.1 2930.312 =" 23.000 .000 3691.4 47.96 3525.8 2931.452 23.083 .000 3666.8 47.98 3526.5 2932.419 ~° 23.167 .000 3642.5 47.98 3527.0 2933.215 23.250 .000 3618.6 47.99 3527.4 2933.843 23333 .000 3595.1 48.00 3527.7 2934.307 100 23.417 .000 3571.9 48.00 3528.5 2934.605 23.500 .000 3549.0 48.00 3529.9 2934.737 °s. 23.583 .000 3526.4 48.00 3530.5 2934.708 23.667 .000 3504.2 48.00 �b...:1.4 2934.535 =� 23.750 .000 3482.3 48.00 3528.1 2934.219 23.833 .000 3460.7 47.99 3527.7 2933.758 410M 23.917 .000 3439.3 47.98 3527.4 2933.151 24.000 .000 3418.3 47.98 3527.0 2932.403 24.083 .000 3388.3 47.96 3526.4 2931.452 °� 24.167 .000 3319.1 47.95 75'5.7 29 0.029 24.250 .000 3250.8 47.93 3524.7 2928.143 "� 24.333 .000 3210.9 47.90 3523 2925.990 24.417 .000 3171.8 47.87 35 2923.577 °00 24.500 .000 3120.4 47.84 3520.6 2920.821 24.583 .000 3060.4 47.80 3518.8 2917.664 24.667 .000 2740.9 47.74 3516.2 2912.324 •WIP 24.750 .000 2438.5 47.65 3512.4 2904.927 24.833 .000 2364.3 47.56 3507.8 2897.052 °= 24.917 .000 2291.6 47.46 3502.9 2888.710 25.000 .000 22 09.1 47.36 3497.7 2879.835 2 .000 2050.2 47.24 3492.0 2869.906 25'167 .000 1840.5 47.11 3485.6 2858.575 -$ 25.250 .000 1648.8 46.96 3478.4 2845.974 25 .000 1492.0 46.80 3470.5 2832.348 25.417 .000 1273.7 46.63 3461.9 2817. 79 ~~ 25.500 .000 706.8 46.41 :451.6 2796.775 2 .000 310.3 46.15 3439.4 2776.825 °� 25.667 .000 291.0 45.90 3426.3 2755.232 25.750 .000 243.9 45.65 3412.8 733.407 ~~ 25.833 .000 222.3 45.39 3399.1 711.528 25.917 .000 185.8 45.13 3385.3 2689.493 =~ 26.000 .000 165.5 44.88 3371.5 2667.414 26.083 .000 138.1 44.62 3357.6 2645.241 26.167 .000 113.8 44.36 3343.6 2622.997 ~ - 26.250 .000 82.6 44.10 3329.6 2600.634 26.333 .000 59.4 43.83 3315.6 2578.208 ~= 26.417 .000 42.4 43.57 3301.5 2555.763 26.500 .000 32.5 43.31 3287.4 533.346 - 26.587 .000 25.7 43.05 3273.3 2510.980 26.667 .000 21.3 42.79 3259.3 2488.680 26.750 .000 18.0 42.53 245.3 2466.453 -4 26.833 .000 15.3 42.27 231.4 24 .303 ' 26.917 .000 13.5 42.01 3217.5 2422.237 ~~ '7.000 .000 12.0 41.75 3203.2 2400.259 27.083 .000 11.2 41.50 3188.3 2378.377 ~ 27.167 .000 9.9 41.24 3173.5 2356.589 27.250 .000 9.1 40.99 3158.8 2374.897 27 .000 8.1 40.74 3144.1 2313.299 ~ 27.417 .000 7.8 40.49 3129.5 291.799 2 7 500 .00 7.0 40.24 3115.0 2270.394 2.583 .000 6.7 39.99 3100.5 2249.087 27.667 .000 5.9 39.74 3086.1 2227.873 27 � .000 5.6 39.49 071. 2206.755 27.833 .000 4.9 39.25 7057.5 2185.732 °w 27.917 .000 4.7 39.00 3043.3 2164.805 28.000 .000 4.1 38.76 3029.1 2143.971 28.083 .000 3.9 38.52 3015.1 2123.233 AMU 28.167 .000 3.4 38.28 3001.0 2102.588 28.250 .000 3 38.04 2987.1 2082.039 la 28 .000 2.9 37.78 2972.0 2061.590 28.417 .000 2.8 37.52 2955.7 2041.253 °° 28.500 .000 2.4 37.25 2939.2 2021.026 28.583 .000 2 37.00 2922.9 2000.912 4s. 28.667 .000 1.9 36.74 2906.6 1980.907 28.750 .000 1.9 36.48 2890.4 1961.014 28.833 .000 1.5 36.23 2874.3 1941.229 ~.. 28.917 .000 1.5 35.97 2858.3 1921.554 29.000 .000 1.1 35.72 2842.4 1901.986 *r 29.083 .000 1.1 35.47 2826.5 1882.528 29.167 .000 .8 35.2 2810.8 1863.175 °= 29 .000 .8 34.97 2795.1 1843.930 29.333 .000 .5 34.73 2779.5 1824.791 29.417 .000 .5 34.48 2764.0 1805.758 or 29 .000 . 4 34.24 2748.6 1786.831 29 . 583 .000 . 33.99 2733.3 1768.009 '� 29.667 .000 .2 33.75 2717.1 1749.297 ' .000 .2 33.51 2700.2 1730.703 ~' 29'833 .000 .1 33.28 2�83.4 171'.'"7 29.917 .000 .1 33.04 2666.6 1693.858 x*************************************************************************** FLOW PROCESS FROM NODE 5.20 TO NODE 4.00 IS CODE = 1 >>>>> UNIT-HYDROGRAPH ANALYSIS (UNIT-HYDROGRAPH ADDED TO STREAM #1) 4W WATERCOURSE "LAG" TIME = .494 HOURS = UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 16.884 WATERCOURSE LENGTH = 26600.000 FEET °•4 LENGTH FROM CONCENTRATION POINT TO CENTROID = 14000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 330.000 FEET so BASIN FACTOR = .017 WATERSHED AREA = 1870.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .320 LOW LOSS FRACTION = .282 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .57 °s SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3-HOUR RAINFALL( INCH) = 2.84 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.25 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 9.80 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: - 5-MINUTE FACTOR = .642 30-MINUTE FACTOR = .658 1-HOUR FACTOR = .658 3-HOUR FACTOR = .933 6-HOUR FACTOR = .969 24-HOUR FACTOR = .982 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 .965 218.188 "~ 2 3.460 564.292 3 9.267 1313.276 4 18.654 2122.795 ~ 5 29.627 2481.700 6 43.027 3030.550 ~~ 7 57.795 3339.754 8 70.260 2818.897 9 79.708 2136.732 1 0 86.377 1508.242 11 90.722 982.534 12 93.931 725.855 13 96.053 479.846 14 97.442 314.175 15 98.184 167.774 ^0 16 98.501 71.605 17 98.817 71.605 18 99.134 71.605 19 99.450 71.605 20 99.767 71.605 21 100.000 52.680 _______ _______ aro TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 409.7031 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1089.4120 . ----- =° 2 4-HOUR STORM _= R U N O F F H Y D R O G R A P H = __ ____ __ 440 HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) .� TIME(HRS) VOLUME(AF) Q(CFS) 0. 550.0 1100.0 1650.0 2200.0 *oso 15.083 568.3364 1068.33 . . . 15.167 575.7794 1080.72 . . Q.V . . ... 15.250 583.2991 1091.87 . . Q.V . . 15.333 590.8920 1102.49 . . QV . . •� 15.417 598. 5207 1107.68 . . QV . . 15.500 606.1243 1104.05 . . Q V . . .0 15.583 613.5680 1080.82 . . Q. V ~ . 15.667 620.7123 1037.36 . . Q . V . • • 15.750 6'7.5'61 989.35 . . Q . V . . 15.833 633.9542 933.37 . . Q . V . . 15.917 640.0403 883.71 . . Q . V . . ,~ 16. 000 646.0652 874.81 . . Q . V . . 16.083 652.7502 970.67 . . Q . V . . = ,6,167 660.6600 1148.50 . . Q V . . 16.250 670.6628 1452.40 . . . V Q . ~ 16.333 682.7 1751.09 . . . V . • 16.417 695.8885 1911.68 . . . V . Q . 16.5■0 710.2355 2083.18 . . . V . Q , - 16.583 724.9941 2142.95 . . . V . Q . 16.667 738.4688 1956.51 . . . V . Q . - 16.750 750.2854 1715.78 . . . V .Q . 16 760.6934 1511.24 . . . Q . . ~ 16.917 770.0933 1364.86 . . . Q V . . 17.000 779.0079 1294.41 . . . Q V . . ~~ 1 787.4262 1222.34 . . . Q V . . 17.167 795.4369 1163.15 . . .Q V. . 17.2 802.9891 1096.58 . . Q. V. . - 17.333 810. 1305 1036.93 . . Q . V. . 17.417 817.0024 997.80 . . Q . V. . - 17.500 823.5453 950.04 . . Q . V . 1 829.7075 894.75 . . Q . V . 17.667 835.5049 841.77 . . Q . V . 17.75� 840.9537 791.17 . . Q . V . 17.833 846.0598 741.40 . . Q . .V , - 17.91 850.9782 714.15 . . Q . .V . 12.000 855.7436 691.93 . . Q . .V . - *************************************************************************** FLOW PROCESS FROM NODE 5.20 TO NODE 4.00 IS CODE = 11 - >>>>> VIEW STREAM NUMBER 1 HYDROGRAPH <<<<< STREAM HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) ~.. TIME(HRS) VOLUME(AF) Q(CFS) 0. 1275.0 2550.0 3825.0 5100.0 _________ ~ow 1 2464.5750 3694.73 . .V . Q . . 15.167 2490.1990 3720.61 . .V . Q. . 15.250 2515.9960 3745.72 . .V . Q. . me 15.777 2541 . 9650 7770.69 . .V . Q. , 15.417 2568.0710 3790.51 . .V . Q. . 400 15.500 2594.2510 3801.35 . . V . Q. , 15.583 2620.3660 3791.89 . . V . Q. , ~.% 15.667 2646.2710 3761.39 . . V . Q. . 15.750 2671.9300 3725.66 . . V . Q. . 40 15. 833 2697. 2860 7601.74 . . V . Q , . 15.917 2722.3850 3644.39 . . V . Q . . 16.000 2747.5100 3648.21 . . V . Q . . ~0. 16. 083 2773.3910 3757.89 . . V . Q. . 16.167 2800.6180 3953.28 . . V . .Q . we 16.2'.0 2830. 0920 427 . . V . . Q , 16 333 2861.7970 4603.50 . . V . . Q . ..s. 16 417 2894. 7800 4 . . V . . Q . 16`500 2929.1010 4983.43 . . V . . Q. 16^ ^ 583 2963.9790 5064.38 . . V . . Q. *are 16 6 67 2997.7200 4U99.�' . . V . . Q . 16 3029.9550 4680.45 . . V . . Q . -~ 16 3060.9210 4496.23 . . V . . Q . 16'917 3090.9990 4367.39 . . V . . Q . = 17'000 3120.7050 4313.30 . . V . . W ^ 17 3150.0230 4257.04 . . V . . Q . 17.250 3207.7030 4161.72 . . V . • Q . = 1 3236.0530 4116.53 . . V . • Q . 17.417 3264.2300 4091.29 . . V . • Q . WA 17.500 3292.1710 4056.97 . . V . . . 17. 3319.8220 4014.93 . . V . .0 . WA i7.67 3347.1990 3975.13 . . V . .Q . 17.750 3374.3180 3937.62 . . V Q 17.833 3401.1830 3900.84 . . V . ^ m� 17.917 3427.9490 3886.46 . . V . 0 . 18.000 3454.6 3876.97 . . V . Q . 1St 18.083 3481.3090 3870.81 . . V . 0 • 18.167 3507.9300 3865.41 . . V . Q no 18.250 3534.5230 3861.26 . . V . Q ^ 1B.333 3561.0920 7857.87 . . V . Q . 18.417 3587.6390 3854.66 . . V . . 4111 18.500 3614.1640 3851.33 . . V . . 18.583 3640.6660 3848.05 . . V . Q . m. 18.667 3667.1500 3845.57 . . V . Q . 18.750 3693.6250 3844.23 . . V . Q . mg 18.877 3720.1020 3844.36 . . V . Q 18.917 3746.5840 3845.20 . . V . 0 . 4116 19.000 3773.0750 3846.45 . . V . Q . 1 9.083 3799.5770 3848.07 . . V . Q . 19.167 3826.0920 3849.95 . . V . Q °R 19.250 3852.6210 3852.05 . . V . Q 19.333 3879.1660 3854.29 . . V . Q ~ alio 19.417 3905.7260 3856.57 . . V . 0 19.500 3932.3020 3858.87 . . V . Q ~ 011111 19.583 3958.8940 3861.17 . . V . Q . 19.667 3985.5020 3863.46 . . V . Q . 401 19.750 4012.1260 3865.74 . . V . Q . 1.833 4038.7650 3868.04 . . V . Q . 19.917 4065.4200 3870.30 . . V . 0 . Alm 20.000 4092.0900 3872.51 . . V . Q . 20.083 4118.7750 3874.66 . . V. 0 . mir 20.167 4145.4750 3876.75 . . V. Q . 20.250 4172.1870 3878. . . V. 0 . =" �0 4198.9110 3880.37 . . V . 20.417 4225.6470 3882.02 . . V. Q . AM 20.500 4252.3940 3883.61 . . V. Q . 20.583 4279.1500 3885.12 . . V. Q . 20.667 4305.9170 3886.56 . . V. Q . 10I= 20.750 4332.6940 3887.93 . . V . 20 4359.4790 3889.22 . . V Q `� 20.917 4386.2720 3890.43 . . V Q . 21.000 4413.0740 3891.55 . . V Q . ~_ 21•083 4439.8820 3892.56 . . V Q . 21.167 4466.6960 3893.45 . . V . 21.250 4493.5160 3894.21 . . V Q . = 21.333 4520.3400 3894.8 . . V 0 . 21.417 4547.1680 3895.40 . . .V Q . `- 21.5 4573.9990 3895.82 . . .V . 21 4600.8320 3896.15 . . .V Q . °� 21. 4627.6660 3896.37 . . .V Q . 21.750 4654.5010 3896.49 . . .V Q . "1.833 4681.3370 3896.52 . . .V Q . °W 21.917 4708.1720 3896.45 . . .V Q . 22.000 4735.0060 3896.30 . . ~V Q . =w 22.083 4761.8380 3896.05 . . . V Q . 22.167 4788.6680 3895.73 . . . V Q . WRI 22 4815.4960 3895.32 • . . V . 22 4842.3190 3894.82 . . . V . vie ..:.,.2.=417 4869.1390 3894.25 . . . V Q . 22.500 4895.9550 3893.60 . . . V Q . 22.583 4922.7650 3892.87 . . . V Q . °M 2 2.667 4949.5700 3892.06 . . . V . 22 . 750 4976.3690 3891.18 . . . V Q . mffa 22 5003.1610 3890.22 . . . V Q . 22.917 5029.9460 3889.19 . . . V 0 . =" 23.0�0 5056 3888.08 . . . V Q . 23.083 5083.4920 3886.90 . . . V 0 , *so 23.166 5110.2530 3885.65 . . . V , 23 5137.0040 3884.33 . . . V . 23 5163.7470 3882.93 . . . V Q . •No 23.416 5190.4820 3882.04 . . . V 0 , 23. 500 5217.2160 3881.77 . . . V . tor 23. 583 5243.9430 3880.72 . . . V 0 , 23.666 5270.6510 3877.97 . . . V Q =� 23.750 5297.3390 3875.12 . . . V , 23.833 5324.0130 3873.14 . . . V Q , 23.916 5350.6750 3871.29 . . . V Q . WO 24.000 5377.3230 3869.38 . . . V Q . =__ we END OF FLOOD ROUTING ANALYSIS No C LINDGREN &SHORT C APPENDIX II San Sevaine Watershed To Foothill Blvd. L 1. C C C ' '` • '� `' ~� ' **************************************************************************** = FLOOD ROUTING ANALYSIS USING ORANGE/SAN BERNARDINO COUNTY UNIT-HYDROGRAPH (1986 MANUAL) (c) Copyright 1983-88 Advanced Engineering Software (aes) Ver. 3.0A Release Date: 7/21/88 Serial # 2124 == Analysis prepared by: Fuscoe, Williams, Lindgren & Short = ************************** DESCRIPTION OF STUDY ************************** w i r * SAN SEVAINE DRAINAGE AREA TO FOOTHILL WITH DIVERSION OF ETIWANDA FLOWS * * TO SAN SEVAINE BASIN NO 5. MAXIMUM FLOWBY OF ETIWANDA FLOWS = 3100 cfs. * == * (MINIMAL DIVERSION) . DEPTH AREA FACTORS FOR A = 15023 ACRES. * ************************************************************************** FILE NAME: C:\ESS\DIV\SSDIV8.DAT TIME/DATE OF STUDY: 16:28 2/ 4/1989 **************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 1.00 IS CODE = 1 >>>UNIT-HYDROGRAPH ANALYSIS<<<<< (UNIT-HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .456 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = '18.290 WATERCOURSE LENGTH = 16200.000 FEET = LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3520.000 FEET ~ - BASIN FACTOR = .040 WATERSHED AREA = 1262.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 - FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .850 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .149 VALLEY (UNDE ED/DESERT) : " S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .293 LOW LOSS FRACTION = .126 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .68 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.40 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.86 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 4.00 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 6.50 mm SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 16.00 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .618 3-HOUR FACTOR = .912 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 14.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 mm _ mmo UNIT HYDROGRAPH DETERMINATION °= INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.307 199.514 4.177 544.894 3 10.431 847.671 4 18.518 1234. 195 5 29.731 1711.427 u ^ �'.i+ ' ^ ^',,J■."-T" 7 60.090 1676.788 ~~ 8 66.654 1001.738 9 71.602 755.203 ~� 10 75.648 617.529 11 79.021 514.881 ~~ 12 81.880 .329 13 84.347 376.412 14 86.493 327.658 = 15 88.320 278.860 16 89.928 245.390 ~` 17 91.341 215.639 18 92.538 182.693 ~00 19 93.529 151.229 20 94.385 130.676 ~~ 21 95.128 113.351 22 95.727 91.408 23 96.133 61.979 ~= 24 96.435 46.039 25 96.733 45.575 - 26 97.005 41.462 27 97.270 40.480 _ 28 97.516 37.596 29 97.747 35.171 30 97.976 34.989 31 98.203 34.616 32 98.427 34. 33 98.650 34.113 34 98.855 31.307 35 98.926 10.859 36 98.997 10.758 3 7 99.063 10.130 38 99.129 10.019 39 99.192 9.567 40 99.247 8.406 41 99.301 8.347 - 42 99.359 8.761 43 99.419 9.178 ~- 44 99.478 9.003 45 99.514 5.529 46 99.541 4.167 -- 47 99.569 4.157 48 99.596 4.158 -- 49 99.623 4.157 50 99.650 4.167 . ~~ 51 99.678 4.157 52 99.705 4.157 ~ 53 99.732 4.158 54 99.759 4.157 55 99.786 4.051 ~~ 56 99.802 2.437 57 99.815 1.973 - 58 99.828 1.962 59 99.840 1.953 60 99.854 2.030 61 99.867 1.953 62 99.879 1.952 63 99.892 1.953 64 99.905 1.953 65 99.918 1.953 66 99.931 1.952 .0. 67 99.943 1.953 48 99.956 1.953 00 6p 99.969 1.952 70 99.982 1.953 71 99.994 1.953 .0 72 100.000 .840 00 ______________ 0. TOTAL SOIL-LOSS VOLUMEAACR > = 204.4363 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1438.7850 _________ ______ _ _ . . . "= _ . === ------ - - =" 24-HOUR STORM = RUNOFF HYDROGRAPH �_____ ___ = HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 525.0 1050.0 1575.0 2100.0 . - ----- - - 14.083 686.8794 984.25 . . QV. . . 491114 14.167 693.8046 1005.55 . . . . . 14.250 700.9245 1033.81 . . W. ^ ^ 14.333 708.3038 1071.48 . . VQ . . NW 14.417 716.0156 1119.75 . . V~Q . . 14.500 724.2644 1197.74 . . V Q . • =m 14.587 732. 8174 1241.90 . . V Q . . 14.667 741.5496 1267.91 . • V Q • • . 14.750 750.4140 1287.12 . . V Q . . 14 .833 759.3817 1302.11 . . .V Q • . 14.917 768.4311 1313.97 . . .V Q . • ~~ 15.000 777.5443 1323.23 . . .V Q • • 15.083 786.7086 1330.67 . . .V Q . • = 15.167 795.9116 1336.27 . . . V Q . • 15.250 805.1429 1340.38 . . . v Q . . ~~ 15.333 814.3922 1342.99 . . . V Q . , 15.417 823.5833 1334.56 . . . V Q . . .m 15. B32.5896 1307.71 . . . VQ . • 15.583 841.3124 1266.54 . . . VQ . . 15.667 849.6326 1208.10 . . . Q . . - 15.750 857.4183 1130.47 . • .Q V . ~ 15.833 864.2885 997.56 . . Q. V . . = 15.917 870.7996 945.40 . . Q . V . l6.000 877.3596 952.52 . . Q . V . . - 16,083 884.5514 1044.25 . • Q. V . 16.167 892.7762 1194.24 . . . Q V . . 16.250 901.9937 1338.37 . • . Q . . °- 16.333 912.4349 1516.07 . . . V Q . . 16.417 924.1493 1700.92 . . . V . Q . -~ 1A.500 937. 9686 2006.56 . . . V . Q . 16.583 948.8783 1584.09 . . . V Q . = 16.667 958.2033 1353.99 . . . QV . • '6.750 967.1149 1293.96 . . . Q V . . ,� i6. 833 976.4375 1353. 64 . Q V . . . . - 6.917 985.9379 1379.46 . . . QV . • 17.000 995.4966 1387.93 . . . QV . . ~- 17.083 1005.0640 1389.24 . . . W« ^ ^ 17.167 1014.5780 1381.39 . . ~ Q V . . ~~ 17,250 1023.9680 1363.47 . . . Q V . . 17.333 1033.1760 1336.94 . . . Q V ~ ~ - 17.417 1042.0970 1295.34 . . . Q V . . 17.500 1050.4830 1217.66 . . . Q V. . 17.583 1058.5190 1166.77 . . . Q V. . 17.667 1066.3230 1133.10 . . .Q V. . 17'750 1073.9300 1104.60 . . .Q V. ~ ~- 17.a77 1081.3440 1076.53 . . Q V . 179l7 1088.5650 1048.46 . . Q. V . °� 1G 1095.6350 1026.59 . . Q. V . *el -k************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 401.00 IS CODE = 5 °= __ _____________ >>>>> MODEL CHANNEL ROUTING BY THE CONVEX METHOD <<<<< =° THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER m.. TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August,1972, m U. S. Department of Commerce) . ' m ASSUMED REGULAR CHANNEL INFORMATION: BA EWIDTH(FT) = 20.00 CHANNEL Z = .00 .i. UPSTREAM ELEVATION = 1960.00 DOWNSTREAM ELEVATION = 1510.00 aw CHANNEL LENGTH(FT) = 7000.00 MANNINGS FACTOR = .014 °� CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2006.56 ~m AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1277.00 CHANNEL NORMAL VELOCITY FOR Q = 1277.00 CFS = 35.61 FPS ----'- -~--^'- - ~=" = MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS 18 CSTAR = .987 = = CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW AIM TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) °� 15.083 1330.7 1325.9 15.167 1336.3 1332.7 ww 15.250 1340.4 1337.7 15.333 1747.0 1741., °= 15. 47 1 1334.6 1339.9 15.500 1307.7 1324.7 15.583 1266.5 1292.7 °W 15.667 1208.1 1245.3 15.750 1130.5 1179.9 ~.. 15.833 997.6 1082.0 15.917 945.4 979.4 ~= 16.000 952.5 948.5 16.083 1044.2 986.4 16.167 1194.2 1098.9 16.250 1338.4 1246.3 16.333 1516.1 1402.8 ~ 16.417 1700.9 1582.9 16.500 2006.6 1812.3 ~~ 16.583 1584.1 1847.8 16.67 175/1.0 1502.5 16.750 1294.0 1333.8 16.833 1353.6 1316.6 16.917 1379.5 1362.7 17.000 1787. 1782.4 17.083 1389.2 1388.3 17.167 1381.4 1386.3 17.250 1363.5 1374.8 17.333 1336. 1353.8 17.417 1295.3 1321.8 17.500 1217.7 1267.0 17.583 1166.8 1199.5 17.667 1133.1 1154.8 ~ 17.750 1104.6 1122.9 17.833 1076.5 1094.5 ~ 17.917 1048.5 1066.4 18.000 1026.6 1040.6 � *************************************************************************** *� FLOW PROCESS FROM NODE 401.00 TO NODE 401.00 IS CODE = 1 ~� >>>>>UNIT-HYDROGRAPH ANALYSIS << =_____________ __ °o (UNIT-HYDROGRAPH ADDED TO STREAM #1) - WATERCOURSE "LAG" TIME = .405 HOURS = UNIT HYDROGRAPM TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 20.588 . WATERCOURSE LENGTH = .-212gg.000 FEET *w LENGTH FROM CONCENTRATION POINT TO CENTROID = 10500.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3690.000 FEET BASIN FACTOR = .028 "0 WATERSHED AREA = 2416.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE °m VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .300 .� FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .500 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .190 41. VALLEY(UNDEVELOPED/DESERT): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 MA WATERSHED LOSS RATE(INCH/HOUR) = .314 °o LOW LOSS FRACTION = .188 *HYDROGRAPH MODEL #1 SPECIFIED* *tio SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .65 ., SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.36 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.78 °mig SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.55 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.68 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 12.90 mo *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: = 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 J . .""^ . `te . ".` - . u1iz 3-HOUR FACTOR = .912 . 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 = RUNOFF HYDROGRAPH LISTING LIMITS: . MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 14.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 = ___________= = UNIT HYDROGRAPH DETERMINATION . INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) . 1 1.499 437.989 . 2 5.885 1281.670 3 14.168 2420.052 .� 4 25.681 3364.019 5 41.937 4749.697 = 6 57.979 4687.292 7 67.564 2800.442 8 74.288 1964.859 . 9 79.130 1414.491 10 82.819 1078.076 = 11 85.633 822.094 12 87.857 649.759 ~. 13 89.552 495.372 14 90.980 417.365 _~ 15 92.241 368.205 16 93.324 316.546 17 94.242 268.074 - 18 94.935 202.701 19 95.521 171.233 . 20 95.991 137.285 21 96.304 91.549 . 22 96.599 85.958 23 96.875 80.681 = 24 97.140 77.598 25 97.387 72.063 26 97.610 65.286 . 27 97.832 64.798 28 98.048 63.017 = 29 98.261 .364 30 98.469 60.601 = 31 98.600 38.340 32 98.704 30.324 33 98.801 28.447 =ili 34 98.897 28.070 35 98.985 '5.7*7 . 36 99.065 23.469 37 99.147 23.828 m 38 99.234 25.542 39 99.322 25.616 40 99.379 16.659 . 41 99.418 11.438 42 99.457 11.429 = 43 99.497 11.438 44 99.536 11.418 . 45 99.575 11.438 4• 99.614 11.418 . 47 99.653 11.440 48 99.692 11.438 49 99.729 10.849 . 50 99.751 6.362 51 99.770 5.392 . 52 99.788 5.350 53 99.806 5.435 . 54 99.827 6.026 55 99.846 5.435 m 56 99.864 5.435 57 99.883 5.435 50 99.901 5.435 =x 59 99.920 5.435 60 99.939 5.435 . 61 99.957 5.435 62 99.976 5.437 411 63 99.994 5.435 64 100.000 1.621 wo ___ . TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 467.9187 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2068.4760 =m - - . ===_____====== = 24-HOUR STORM . R U N O F F H Y D R O G R A P H = HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) ~~ TIME(HRS) VOLUME(AF) Q(CFS) O. 850.0 1700.0 2550.0 3400.0 ^11, 14.083 959.7077 1512.18 . . QV . . . . 14,167 9 70.760R 1547.41 . . Q . . . 14.250 981.3925 1601.80 . . Q . . . 14.333 992.9045 1671.54 . . Q. . . °� 14.417 1005.0490 1763.45 . . VQ . . 14.500 1017.8080 1852.48 . . V.Q . . = 14.583 1030.9420 1907.11 . . V. Q . . 14.667 1044.3460 1946.31 . . V Q . . . 14.750 1057. 9510 1975.74 . . V Q . . 14.833 1071.7120 1998.13 . . V Q . . 14.917 1085.5970 2016.17 . . V Q . . . 1 1099. 2031.03 . . .V Q . . 15.083 1113.6560 2043.11 . . .V Q . . . 15.167 1127.8010 2053.80 . . .V Q . . 15.250 1142.0130 2063.64 . . . V Q . . °- 15.777 1156.2870 2072.54 . . . V Q . . 15.417 1170.4910 2062.51 . . . V Q . . ^_ 1 1184.3850 2017.28 . . . V . . 15.583 1197.6610 1927.77 . . . . . 15.667 1210.0950 1805.42 . . .0 V . . . 15.750 1221.7760 1677.99 . . Q. V . . 15.833 1231.6610 1493.41 . . Q . V . . ~- 15.917 1241 . 7250 1461.27 . . Q . V . 16.000 1252.1350 1511.50 . . Q . V . . .~ 16.087 1264. 1960 1751.27 . . Q V . 16.167 1278.9160 2137.44 . . . VQ , . ~~ 16.250 1296.7 2595.61 . . . V Q 16. 333 1317.1590 2957.27 . . . V . Q . 16.417 1340.0330 3321.28 . . . V . Q. .... 36.E. 1362. 0310 7194.08 . . . V . Q . 16.583 1379.8300 2584.47 . . . V Q . 16.667 1395.7530 2312.01 . . . V . . 16.750 1411.0460 2220.44 . . . QV . .. 16. 833 142A.7700 2225.17 . . . QV . . 16.917 1441.5400 2202.69 . . . Q V . . 17.000 1456.5950 2185.94 . . . Q V . . "- 1 1471 . 4600 2158.45 . . . Q V . . 17.167 1486.1380 2131.15 . . ~ Q V . . -- i 1500. 5000 2085.40 . . . Q V. . 17.333 1514.3820 2015.74 . . . Q V. . "~ 17.417 1527.5730 1915.22 . . . Q V. . 17.500 1540.0150 1806.66 . . .Q V. . 17.583 1551.9690 1735.78 . . Q V . ~ 17 1563.5200 1677.07 . . Q. V . 17.750 1574.7110 1624.96 . . Q. V . ~~ 17.833 1585.6530 1588.78 . . Q . V . 17.917 1596.3850 1558.39 . . Q . V . 18.000 1606.9320 1531.43 . . Q . .V . = .*************************************************************************** FLOW PROCESS FROM NODE 401.10 TO NODE 401.00 IS CODE = 1 . ____ >>>>> UNIT-HYDROGRAPH ANALYSIS<<<< Am (UNIT-HYDROGRAPH ADDED TO STREAM #1) . WATERCOURSE "LAG" TIME = . 159 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES =~ UNIT INTERVAL PERCENTAGE OF LAG-TIME = 52. 326 . WATERCOURSE LENGTH = 7200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 3900.000 FEET . ELEVATION VARIATION ALONG WATERCOURSE = 460.000 FEET BASIN FACTOR = .020 . WATERSHED AREA = 754.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED . MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .482 LOW LOSS FRACTION = .381 . *HYDROGRAPH MODEL #1 SPECIFIED* � � �` ` �i �..dv•. :�- itYVU +�:J (trii � Ti SPECIFIED PEAK 70- MINUTES RAINFALL(INGH) = 1.22 SPECIFIED F'EAF ::: 1 - -HOUR RAINFALL (INCH) = 1.62 SPECIFIED F'EAF;:: 3 -HOUR RAINFALL (INCH) = 3.10 SPECIFIED PEAF 6 -HOUR RAINFALL(INCH) = 4.75 SPECIFIED PEAK 24- -HOUR RAINFALL (INCH) = 11.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .585 :0- MINUTE FACTOR = .606 1 -HOUR FACTOR = .618 , -HOUR FACTOR = .912 6 -HOUR FACTOR = .958 24 -HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES (CFS ) 4 4.867 208.184 7^ 7.71 1177.66 7 71.786 1687.4704: 4 91.584 847.614 97.67 258.9 6 98.990 58.126 99.518 22 .615 99.807 12.377 9 99.952 6.189 10 100.000 2.06- TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 117.8970 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 199.0.766 law W AM Val hawA . . 24-HOUR STORM . R U N O F F H Y D R O G R A P H �=== ______________ _ _ �� HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 175.0 350.0 525.0 700.0 41111 -------- - - 15.083 111.2675 202.73 . .Q . V . . °� 15.167 112.6695 203.57 . . . V ~ . 15.250 114.0778 204.49 . . . V . . 15.333 115.4930 205.49 . .Q . V . . m� 15.417 116.8789 201 . 23 . .Q . V . . 15.500 118.0657 172.31 . Q. . V . . ~ma 15. 583 118.9741 131 . 90 . Q . . V . . 15.667 119.7772 116.61 . Q . . V . . 1. 15.750 120.6001 119.49 . Q . . V . . 15.833 121.4946 129.88 . Q . . V . . 15.917 122.5051 146.73 . Q . . V . . . 16. 000 127.7511 180.91 . Q . V . . 1 125.7395 288.72 . . Q . V . . mw 16.167 129.6189 563.28 . . . V . Q 16.250 174.1998 665.15 . . . V . Q • - 16. 333 136. 9855 404.49 . . . Q V . 16.417 138.4879 218.15 . . Q . V . . = 16.500 139 .6582 169.93 . Q. . V . . 16.■83 140.9652 189.77 . Q . V . . 16.667 142.3589 202.37 . . . V . . ~~ 16. 750 143. 7643 204.06 . . . V . . �6.8�3 145.1574 202.27 . .Q V. . . 16. 917 146. 5391 200.67 . . . V. . 17.000 147.9135 199.56 . .Q . V. . ~� 17.0B3 149.2626 195.90 . .Q . V. . 17.16 150.5013 179.86 . Q . V . ,^ 17. 250 151.5806 156.71 . Q . . V . 17.333 152.5676 143.32 . Q . . V . 17.417 153.5119 137.11 . Q . . V . ~~ 17.500 154.4317 133.55 . . . .V . 17.583 155 130.63 . Q . . .V . = 17.667 156.2131 128.04 . . . .V . 17 157.0788 125.70 . Q . . .V . 17.83 157.9298 123.57 . Q . . .V . . 17.917 158.7673 121.60 . 0 . . .V . 1B.000 159.5921 119.76 . Q . . . V . - _ *************************************************************************** FLOW PROCESS FROM NODE 401.00 TO NODE .43 IS CODE = 3 ~� >>>>> MODEL FLOW-THROUGH DETENTION BASIN ROUTING' <<<< _ __ .~ ~~ � ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 ��.�� ,� THROUGH A FLOW-THROUGH DETENTION BASIN ��rr~' - � " . USING FIVE-MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: 4111 DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 .. ' BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: . INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) °. 1 .00 .00 .000 2 .10 1000.00 .500 3 3.00 1189.00 15.000 . 4 10.00 1681.00 41.300 5 20.00 2202.00 256.300 . 6 30.00 2620.00 471.300 7 40.00 2981.00 686.300 . w11ff INFLOW (STREAM 1) . | so | V __�ffective_depth | | | 1 detention <--> outflow basin | ^ 1 \ | | storage | basin outlet V OUTFLOW (STREAM 1) BASIN ROUTING MODEL RESULTS(5-MINUTE INTERVALS): TIME DEAD-STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 15.083 .000 3571.7 19.27 2152.2 240.629 15.167 .000 3590.0 19.72 2175.8 250.369 15.250 .000 3605.9 20.17 2198.5 260.062 15.333 .000 3619.3 20.62 2218.7 269.708 15.417 .000 7607.6 21.06 2237.2 279.119 15.500 .000 3514.3 21.46 2254.8 287.793 15.583 .000 3352.4 21.81 2270.5 295.244 15.667 .000 7167.3 22.09 2283.6 301.330 15.750 .000 2937.4 2'. 2293.9 305.762 15.833 .000 2705.3 2: 2300.9 308.547 15.917 .000 2587.4 22.52 2305.5 310.489 -- 16.000 .000 2640.9 22.63 2309.6 312.771 16.083 .000 3026.4 22.85 2316.5 317.659 16.167 .000 3799.6 . 1 327.773 16.250 .000 4507.0 .0 2355.4 . _ 16.777 .000 7 4. 24.78 . 358.975 16.417 .000 5122.3 25.64 2419.7 . 16.500 .000 5176.4 26.51 2456.0 . 16.583 .000 4622.0 27.20 2488.5 411.017 16.667 .000 4016.9 27.68 2512.9 421.375 -- 16.750 .000 .3 28.07 Z531.2 429.827 16.837 .000 .0 28.45 2547.4 438.068 16.917 .000 .3766.0 28.84 . 446.350 17.000 .000 . 29.22 . 454.535 17.083 .000 . 29.59 .1 462.438 - 17.167 .000 3697.3 29.94 2610.1 469.926 17.250 .000 3616.9 30.25 2623.3 476.770 17.333 .000 2.9 30.54 2634.3 482.821 17.417 .000 3374.1 30.77 2643.6 487.852 17.500 .000 3207.2 30.95 2651.0 491.683 17.583 .000 3065.9 31.08 2656.6 494.502 17.667 .000 2959.9 31.17 2660.7 496.562 17.750 .000 .5 31.24 2663.6 498.008 17.833 .000 2806.8 31.29 2665.7 498.980 17.917 .000 2746.4 31.31 2666.9 499.527 18.000 .000 2691.8 31.32 2667.5 499.694 10.087 .000 ';'639.3 31. 7~ 499.500 18.167 . . . . .�� 03 18 . . . .� ^ 18.333 .000 . 31.16 .2 496.261 18.417 .000 2744.6 31.06 2660.1 . 18.500 .000 2250.6 30.93 2655.9 491.297 18.583 .000 2167.3 30.78 2650.8 487.967 18.667 .000 2105.8 30.60 2644.9 484.254 18.750 .000 2057.7 30.42 2638.4 . 18.833 .000 2014.6 70.22 2631.5 . 18.917 .000 1972.8 30.01 2624.1 471.518 19.000 .000 1934.1 29.79 2615.8 466.823 19.083 .000 1903.1 29.57 2606.6 461.977 19.167 .000 1874.7 29.34 . 457.003 19.250 .000 1846.9 29.10 2587.2 451.904 19.777 .000 1817.7 .B5 2577.2 446.671 19.417 .000 . 28.61 . 441.323 19.500 .000 1767.4 . 2556.4 . 19.583 .000 1746.0 28.10 2545.8 470.781 19.667 .000 1725.4 .84 .0 424.805 19.750 .000 1705.1 . 58 2524.1 419.164 19.833 .000 1685.2 27.31 2513.1 413.463 19.917 .000 1667.0 27.04 2502.0 407.712 **************************************************************************** FLOW PROCESS FROM NODE 42.00 TO NODE 41.00 IS CODE = 1 >>>>>UNIT-HYDROGRAPH ANALYSIS<<<<< (UNIT-HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .397 HOURS - '' `' ' UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES ' UNIT INTERVAL PERCENTAGE OF LAG-TIME = 20.983 ~A WATERCOURSE LENGTH = 19400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11100.000 FEET . ELEVATION VARIATION ALONG WATERCOURSE = 1240.000 FEET BASIN FACTOR = .0 WATERSHED AREA = 1110.000 ACRES =ls BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELO ED): AM "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .400 FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .590 w MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 VALLEY(UNDEVELOPED/DESERT): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 =- MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .400 LOW LOSS FRACTION = .276 °is *HYDROGRAPH MODEL #1 SPECIFIED* . SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .56 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.15 == SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.08 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.78 - SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 12.50 =° *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .585 ~ 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .61R =~ 3-HOUR FACTOR = .912 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 - RUNOFF HYDROGRAPH LISTING LIMITS: == MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 . ... =_ UNIT HYDROGRAPH DETERMINATION `.. -- INTERVAL "S" GRAPH UNIT HYDROGRAPH = NUMBER MEAN VALUES ORDINATES(CFS) -------- 178.074 1 1.327 178 . 2 5.283 571.115 3 12.845 1015.159 =° 4 24.117 1513.128 5 42.726 2498.090 _ 6 60.372 2368.837 7 70.938 1418.316 = 8 78.188 973.235 9 83.265 681.526 10 87.049 508.091 ... 11 89.787 367.432 12 91.869 279.586 °= 13 93.369 201.350 14 94.654 172.443 °� 15 95.770 149.824 14 96.717 127.098 mw 17 97.465 100.513 l8 97.994 70.906 19 98.408 55.578 "� 20 98.677 76. 2 21 98.835 21.178 MI 22 98.989 20.607 23 99.123 18.082 . 24 99.'55 17.637 25 99.353 13.231 m� 26 99.451 17.155 27 99.549 13.138 28 99.647 13.099 °O 29 99.744 13.089 30 99.841 13.005 mi 31 99.930 11.984 32 99.936 .704 33 9/.941 .676 l� 34 99.946 .652 A. 35 99.950 .571 36 99.954 .564 37 99.958 .604 °.m 38 99. 963 .620 39 99.967 .492 °= 40 99.969 .284 41 99.971 .282 -- -__ '`",� 43 99.975 .282 44 99.977 .282 45 99.979 .282 = 46 99.981 .283 47 99.984 .281 = 48 99.986 .273 49 99.987 .165 50 99.988 .133 51 99.989 .132 52 99.990 .133 '� 53 99.991 .149 54 99.992 .133 mal 55 99.993 .134 56 99.994 .133 57 99.995 .133 58 99.996 .134 59 99.997 .133 60 99.998 .177 61 99.999 .134 62 100.000 .133 63 100.000 .019 *i/N °� TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 306.5048 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 822.7260 MY wm ` . = 24-HOUR STORM ~° RUNOFF HYDROGRAPH °° HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 350.0 700.0 1050.0 1400.0 . 15.083 456.1649 732.30 . . Q V . . 15.167 461.2353 736.22 . . .QV . . 464 15.250 466.3304 739.80 . . . . ~ 15.333 471.4478 743.05 . . .QV . . °11 15.417 476.5488 740.67 . . . Q V . . 15.500 481.5606 727.71 . . Q v . . . 15'583 486.3909 701.36 . . Q V . . 15.667 490.9520 662.27 . . Q . V . . == 15.750 495.0669 597.48 . . Q . V . . 15.833 498.8021 542.35 . . Q . V . . 15.917 502.4205 525.40 . . Q . V . ' -^ 16.000 506.1086 535.51 . . Q . V . . 16.083 510.3036 609.10 . . Q . V . . ~~ 16. 167 515.3891 738.41 . . .Q V . • 16.2 521.6445 908.29 . • . Q . . - 16.333 529.0447 1074.51 . . . V Q . 16.417 538.0311 1304.82 . . . V . Q . ^.. 16.500 546.5429 1235.91 . . . V . Q • 16.583 553.2772 977.82 . . . VQ . • 16.667 559.1715 855.86 . . . Q V . . ~~ 1L.750 564.7662 812.34 . . . Q V . . 16.833 570.3234 806.91 . . . Q V . • "= 1 575.7762 791.75 . . . Q V . , 17.000 581.1657 782.55 . . . Q V . . - 1 586.4662 769.63 . . .Q V . ~ 17.167 591.7027 760.34 . . .Q V . . 17.250 596.8132 742.04 . . .Q V. . �° 17.333 601.7256 713.28 . . Q V. . 17.417 606.3087 665.46 . . Q. V. . '= 17.500 610.5582 617.04 . . Q . V. . 17.583 614.5883 585.16 . . Q . V. . 41 " 17.667 618.4371 558.85 . . Q . V . 17.750 622.1429 538.08 . . Q . V 17.833 625.74 6 523.11 . . . V . ~~ 17.917 629. 50/.95 . . Q . V 18.000 632.692Q 498.78 . . Q . . V . =" - -..*.-4-4(-4 FLOW PROCESS FROM NODE 41.00 TO NODE 41.00 IS CODE = 1 ~~ UNIT-HYDROGRAPH ANALYSIS<<<< =====_ ~~ (UNIT-HYDROGRAPH ADDED TO STREAM #2) . WATERCOURSE "LAG" TIME = .304 HOURS - UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES ~_ UNIT INTERVAL PERCENTAGE OF LAG-TIME = 27.372 WATERCOURSE LENGTH = 14400.000 FEET . LENGTH FROM CONCENTRATION POINT TO CENTROID = 7000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 1900.000 FEET =61& BASIN FACTOR = .027 WATERSHED AREA = 899.000 ACRES . BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .200 °� FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .790 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 . VALLEY(UNDEVELOPED/DESERT): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 Ai MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .276 LOW LOSS FRACTION = .163 ~° *HYDROGRAPH MODEL #1 SPECIFIED* °e SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .61 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.25 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.66 . SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.34 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.20 ~~ SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 17.14 _' _____--.^. ------ `.. �.. �.^. ^�� . ..��^ ", ^"., "�.... m -/`�i,uurbj..- ` '�` ~ ' '- 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .61! == 3-HOUR FACTOR = .912 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 �• UNIT HYDROGRAPH DETERMINATION ------ INTERVAL "8" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) �� 1 1.872 203.485 2 8.108 678.043 19.891 1281.051 4 43.414 2557.525 5 63.665 2201.724 """ 6 73.973 1120.721 7 80.708 .230 ~■ 8 85.519 523.097 9 89.006 379.160 10 91.604 282.407 11 93.652 222.635 12 95.301 179.357 13 96.551 135.912 14 97.505 103.723 ~� 15 98.172 72.444 16 98.506 36.314 ~~ 17 98.767 28.419 18 98.996 24.861 19 99.196 21.801 20 99.395 21.636 21 99. 21.578 22 99.792 21.508 23 99.980 20.498 ~� 24 99.984 .413 25 99.987 .331 == 26 99.990 .298 27 99.99 .297 °° 28 99.995 .298 29 99.998 .298 30 100.000 .216 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 154.1329 = TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 807.2137 _____________ = �Mi .� 4W mw °� � ^ . _________________ = 24-HOUR STORM °= RUNOFF HYDROGRAPH . HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 411 w -- - - 15.083 452.5547 757.39 . . Q V . . 15.167 457.7895 760.10 . . V . . 4411 15.250 463.0386 762.17 . . Q V . . 15.333 468.2971 763.53 . . Q V . . . 15.417 473.5095 756.84 . . Q V . ~ 15.500 478.5511 732.04 . . Q. V . ~= 15.583 483.2717 685.42 . . Q . V . . 15.667 487.3542 592.79 . . Q . V . . �= 15 . 750 490.9431 521.10 . . . V . ~ 15.833 494.3983 501.69 . . Q . V . . 15.917 497.8985 508.23 . . Q . V ~ . ~� 16.000 501.6377 542.94 . . Q . V . . 16.083 506.1600 656.64 . . 0 . V ~ . - 11'S.167 512 . 0973 862.10 . . . Q V . . 16.20 519.6315 1093.96 . . . V Q. . ~~ 16.333 529.3636 1413.10 . . . V . Q . 16.417 5 1255.58 . . . V . Q . = 1�.500 544.3350 918.27 . . . Q V . . 16.583 549.7963 792.98 . . .Q V . . 16.667 555.2047 785.30 . . Q V . . -~ 1 560.7119 7 . . .Q V . . 16.833 566.1957 796.25 . . . Q V . ~ �� 1L. 917 571.6594 797.77 . . .Q V . . 17.000 577.0991 789.85 . . .Q V . . - 17.083 582.4639 778.96 . . Q V . . 17.167 587.6902 758.86 . . Q V. . = 17.250 592.6855 72 5.33 . . Q. V . . 17.333 597.2645 664.87 . . Q . V. . 17. 601.5078 616.13 . . Q . V. . ~� 17.500 605.5580 588.08 . . Q . V . 17.583 609.4615 566.79 . . Q . V . . 17.667 613.2430 549.08 . . Q . V , 17.750 616.9210 534.04 . . Q . V . ~~ 17.833 620.5063 520.59 . . . V . 17.917 624.0032 507.75 . . Q . V . 18.000 627.3893 491.65 . . Q . .V . - - - * ************************************************************************** FLOW PROCESS FROM NODE 41.00 TO NODE 41.10 IS CODE = 5 >>>>> MODEL CHANNEL ROUTING BY THE CONVEX METHOD <<<< =======_____=__ _ _ . . THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5-MINUTE Ave INTERVALS(Reference: the National Engineering Handboo Hydrology, Chapter 17, page 17-52, August,1972, . U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: °~ BASEWIDTH(FT) = 20.00 CHANNEL z = 2.00 UPSTREAM ELEVATION = 1710.00 Mit DOWNSTREAM ELEVATION = 1600.00 CHANNEL LENGTH(FT) = 3700.00 MANNINGS FACTOR = .014 . . CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2560.40 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1594.78 . CHANNEL NORMAL VELOCITY FOR Q = 1594.78 CFS = 27.80 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .942 . MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE ~. UNIT INTERVALS IS CSTAR = .996 . CONVEX METHOD CHANNEL ROUTING RESULTS: *" MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) = (HRS) (CFS) (CFS) 15.083 1489.7 1486.4 '`_' - ^^~� ^�.^u, ^+, ^� 'u.0 ' - �-' `--` '~'` ' -~~` ' ''^ 15.250 1502.0 1499.6 -° 15.333 1506.6 1504.6 15.417 1497.5 1501.3 =° 15.500 1459.8 1475.6 15.583 1386.8 1417.5 =~ 15.667 1255.1 1710.6 15.750 1118.6 1176.2 15.833 1044.0 1075.6 at 15.917 1033.6 1038.1 16.000 1078.4 1059.6 °*" 16.083 1265.7 1186.9 16.167 1600.5 1459.4 Au 16.250 2002.3 1832.8 16.333 2487.6 2282.8 == 16.417 2560.4 2529.0 16.500 2154.2 2324.9 16.583 1770.8 1932.7 =~ 16.667 1641.2 1696.3 16.750 1612.0 1624.5 °� 16.833 1603.2 1606.9 16.917 1585.1 1592.7 °_ 17.000 1572.4 1577.8 17.( 1548.6 1558.6 _~ 17.167 1519.2 1531.6 17.250 1467.4 1489.2 17.333 1378.1 1415.8 =- 17.417 1281.6 13 17.500 1205.1 1237.4 - 17.583 1151.9 1174.4 17.667 1107.9 1126.5 == 17.750 1072.1 1087.3 1 7.833 1043.7 1055.7 17.917 1017.7 1028.7 . 18.000 990.4 1001.9 18.083 969.8 978.5 .= 18.147 951.6 959.3 18.250 934.2 941.5 _ 18.333 915.7 923.5 18.417 898.8 906.0 = 18.500 884.4 890.5 18.583 870.8 876.6 18.667 856.2 862.4 ~~ 18.750 845.3 849.9 18.833 835.0 839.3 ~ 18.917 825.3 829.4 19.000 816.2 820.1 - 19.083 807.6 811.2 19.167 799 802.8 19 . 250 791.4 794.8 °= 19.333 783.8 787.0 19.417 776.6 779.7 - 19.500 769.6 772.6 19.583 762.9 765.7 A= 19.667 756.6 759.2 19.750 750.5 753.0 19.833 744.6 747.1 . 19.917 738.9 741.3 20.000 733.4 735.7 = . +*************************************************************************** FLOW PROCESS FROM NODE 43.10 TO NODE 41.10 IS CODE = 1 >>>>> UNIT-HYDROGRAPH ANALYSIS <<<<< ====_______ AA (UNIT-HYDROGRAPH ADDED TO STREAM #2) 400 WATERCOURSE "LAG" TIME = .226 HOURS . UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES . UNIT INTERVAL PERCENTAGE OF LAG-TIME = 36.905 WATERCOURSE LENGTH = 15500.000 FEET . LENGTH FROM CONCENTRATION POINT TO CENTROID = 7200. 000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2490.000 FEET . BASIN FACTOR = .020 WATERSHED AREA = 1111.000 ACRES °oa BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .300 *� FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = . 600 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .090 . VALLEY(VNDEVELOPED/DESERT) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 MN MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .308 LOW LOSS FRACTION = .189 ~" SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .79 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.35 .. SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.66 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.40 °. SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.34 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 11.95 v. *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .585 ~. 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .618 MA 3-HOUR FACTOR = .912 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 ~= RUNOFF HYDROGRAPH LISTING LIMITS: .0 MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 v. _ UNIT HYDROGRAPH DETERMINATION ~~ INTERVAL "S" GRAPH UNIT HYDROGRAPH ~- NUMBER MEAN VALUES ORDINATES(CFS) ~ 1 2.932 393.908 2 15.173 1644.725 _~ 3 40.880 3454.066 4 66.145 3394.679 5 78.206 1620.547 -~ 6 85.159 974.145 7 89.499 583.096 8 92.322 379.426 9 94.453 286.312 - 10 95.944 200.3 11 96.999 141.6 12 97.575 77.420 -~ 13 9 7.9 7 5 5 3. 773 14 '8.329 47.602 -~ 15 98.594 35.623 16 98.850 34.385 -~ 17 99.099 33.396 18 99.337 31.942 _" 19 99.456 16.041 20 99.532 10.254 21 99.604 9.628 °= 22 99.678 9.988 23 99.721 5.782 ~• 24 99.755 4.459 25 99.788 4.466 ^= 26 99.821 4.460 27 99.854 4.464 28 99.880 3 ~. 29 99.896 2.112 30 99.912 2.161 06. 31 99.928 2.112 32 99.943 2.112 ". 33 99.959 2.t12 34 99.975 2.112 v. 35 99.991 2.112 36 100.000 1.262 .. ow TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 198.5841 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 881.8846 . Am � as = mi �t4 did m _ .0. 24-HOUR STORM ... R U N O F F H Y D R O G R A P H =_ _ __ _ ~. HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) m TIME(HRS) VOLUME(AF) Q(CFS) 0. 550.0 1100.0 1650.0 2200.0 ION 15.083 489.7903 935. . . Q . V . ~ .. 15 . 15.167 496.2402 936.53 . . . V . . 15.250 502.6925 936.87 . . Q . V ~ 15.333 509.1465 937.13 . . Q . V . ~ +� 15.417 515. 4756 918.99 . . Q . V . 15.500 521.2828 843.21 . . Q . V . . ~ 15.583 526.0099 686.37 . . Q . V . . 15.66 529.7340 540.74 . Q. . V . . =~ 15. 533. 1099 490.18 . Q . . V . . 15.833 536.4396 483.47 . Q . . V . . 15.917 539.9658 512.01 . Q. . V . . ~` 16.0)0 544.0292 590.01 . Q . V . . 16.083 550.0005 867.02 . . Q . V . . ~= 16.167 560.056_ 1460.11 . . . VQ . . 16.250 574.8111 2142.39 . . . V . 0 . - 16.333 588.7022 2016.99 . . . V . Q . 16.417 597.3347 1253.44 . . . Q V . ~~ 16.500 603.9702 963.47 . . Q . V . . 16.583 610.2921 917.94 . . Q . V ~ . 16.667 616.8724 955.45 . . Q . V . . -~ 16. 623. 519 969.86 . . 0 . V ~ . 16.833 630.1901 963.86 . . Q . V . . ~° 16.917 636.7814 957.06 . . Q . V . . 17.000 643.2787 943.42 . . Q . V. . ~~ 17.083 649.7219 935.55 . . 0 : V. . 17.167 655.9645 906.43 . . Q . V. . 17.250 661.7204 835.75 . . Q . V . ~~ 17.333 666.9827 764.09 . . Q . V . 17.417 671.9664 723.63 . . Q . V . ~~ 17.500 676.7532 695.03 . . Q . V . 17.583 681.3513 667.65 . . Q . V . ~- 17.667 685.8184 648.62 . . .V 17.750 690.1848 674.01 . . .V . ~~ 17.877 694.4677 621.87 . .Q . .V . 17.917 698.6623 609.06 . ~0 . .V . =° 12.000 702.7867 598.87 . Q . .V . ~~ ..************************************************************************** FLOW PROCESS FROM NODE 41.10 TO NODE 41.20 IS CODE = 3 - ______ >>>>> MODEL FLOW-THROUGH DETENTION BASIN ROUTING << - = ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 2 x� �^� ^��N�� THROUGH A FLOW-THROUGH DETENTION BASIN �� ` �� ~~~" m USING FIVE-MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: AM DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 m m BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: m INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) m* 1 .00 .00 .000 2 1.66 91.32 1.120 3 2.66 18 5.000 m 4 4.66 429.54 18.000 5 6.66 733.90 42.250 m 6 7.66 905. 25 55. 000 7 9.66 1282.02 90.000 m 8 11.66 1700.00 122.250 9 13.66 2155.78 156.000 AO 10 15.66 2646.16 190.000 11 17.66 3168.94 230.000 ' 12 19.66 3722.23 270.000 .0 13 21.66 4304.43 309.500 = ^*'��Wf (STREAM 2) . | � ~w | V effective depth . ------ (and volume) | � | | � V a. | detention 1 <--> outflow � basin | "11 ___ ^ i \ | | storage | basin outlet v. V OUTFLOW . (STREAM 2) _ BASIN ROUTING MODEL RESULTS(5-MINUTE INTERVALS): . TIME DEAD-STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE "= (HP'S) FILLED (AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) ______________ 14.083 .000 1686.4 10.82 1516.7 108.691 - 14.167 .000 1751.2 10.91 1534.0 110.187 14.250 .000 1868.6 11.04 1557.5 112.329 - 14.333 .000 2009.9 11. 1590.2 115.220 14.417 .000 2131.5 11.44 1631.2 118.666 ^� 14.'100 .000 2226.5 11.67 1678. 1 122.447 14.583 .000 2289.7 11.90 1728.7 126.307 °� 14. .000 2331.6 12.13 1780.4 130.102 14. .000 2361.8 12.34 1830.7 133.760 14.833 .000 2383.9 12.55 1878.9 137.237 - 14.917 .000 2400.5 12.74 1924.5 140.515 15.000 .000 2412.8 12.92 1967.4 143.583 - 15.083 .000 2422.3 13.09 2007.4 146.440 15.167 .000 2430.1 13.25 2044.6 149.095 . 15.250 .000 2476.5 17.40 2079.1 151.556 15.333 .000 2441.8 13.53 2111.1 153.833 _, 15, .000 '420., 13.65 2139.6 155.766 15.500 .000 2318.9 13.71 2160.4 156.858 15.583 .000 2103.9 13.69 2165.1 156.436 . 15.667 .000 1851.3 13.56 2148.1 154.392 15.750 .000 1666.4 13.38 2117.3 151.314 =° 15.833 .000 1559.1 17.17 2068.8 147.804 15'917 .000 1550.1 12.98 2023.1 144.547 16.000 .000 1649.6 12.84 1985.5 142.233 ~~ 16.087 .000 2053.9 12.88 1973.6 142.787 16.167 .000 2919.5 13.24 2019.2 148.987 °,, 16.250 .000 3975.1 13.99 2148.6 161.567 16.333 .000 4299.8 14.78 2333.7 175.108 ~-* 16.417 .000 3782.4 15.31 2495.7 187.972 16.500 .000 3288.3 15.59 2593.7 188.756 w= 16. .000 2850.6 15.67 2638.6 190.216 16.667 .000 2651.8 15.67 2649.1 190.235 16.750 .000 2594.3 15.65 2646.8 189.873 ~~ 16.833 .000 2570.8 15.62 2640.9 189.391 16'917 .000 2549.8 15.59 2677.2 188.816 = 17.000 .000 2521.2 15.55 2624.0 188.108 17.083 .000 2494.2 15.50 2613.0 187.290 ~� 17. 167 .000 2438.0 15.44 2599.1 186.181 17 '000 5.0 15.33 2578.5 184.435 MI 17.777 .000 2179.8 15.18 2547.6 181.902 7-417 .000 2046.0 15.00 2506.5 178.730 17.500 .000 1932.5 14.78 2457.5 175.114 =° 17. .000 1842.1 14.56 2403.6 171.247 17.667 .000 1775.2 14.33 2347.3 167.307 Val 17.750 .000 1721.3 14.09 2290.6 163.386 17.833 .000 1677.6 13.87 2234.6 159.549 . 17.917 .000 1637.7 13.65 2180.1 155.814 18'000 .000 1600.8 13.43 2128.7 152.178 . 18.083 .000 1565.8 13.22 2080.2 148.635 18.167 .000 1526.3 13.02 2032.8 145.147 18.250 .000 1475.2 12.81 1985.5 141.633 .0 18.333 .000 1424.0 12.60 1937.9 138.094 18.417 .000 1386.4 12.39 1890.5 134.622 vo 18.500 .000 1356.7 12.19 1844.4 131.263 18 583 .000 1331.6 12.00 1799.9 128.037 es. 18` 667 .000 1708.1 11.82 1757. 3 124.944 18 .000 1287.2 11.64 1716.5 121.987 18^ .000 1269.1 11.47 1678.3 119.169 �� 18917 .000 1 2.4 11.3 1642.6 116.481 19 .000 1,6.6 11.14 1608.6 113.919 ~� 19^ � 083 .000 1-�21 .7 10.99 1576.2 111.477 19.167 .000 107.9 10.85 1545'3 109.153 =� 19.250 .000 1194.8 10.71 1515.9 106.942 19333 .000 1182.2 10.58 1488.0 104.836 19.500 .000 1158.5 10.34 1435.9 100.920 . 19.583 .000 1147.4 10.22 1411.8 99.100 19.667 .000 1136.9 10.12 1388.7 97.365 . 19.750 .000 1126.7 10.01 1366.8 95.712 19.833 .000 1116.9 9.92 1345.8 94.136 . 19.917 .000 1107.5 9.82 1325.9 92.632 =s **************************************************************************** FLOW PROCESS FROM NODE 41.20 TO NODE 43.00 IS CODE = 5 �� >>>> 'MODEL CHANNEL ROUTING BY THE CONVEX METHOD' . _ . THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5-MINUTE 41111 INTERVALS(Reference: the National Engineering Handboo Hydrology, Chapter 17, page 17-52, August,1972, . U.S. Department of Commerce). Ault ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 15.00 CHANNEL Z = 1.50 UPSTREAM ELEVATION = 1590.00 . DOWNSTREAM ELEVATION = 1530.00 CHANNEL LENGTH(FT) = 3000.00 MANNINGS FACTOR = .014 41111 . CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW( CFS) = 2649.11 as AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1907.77 CHANNEL NORMAL VELOCITY FOR Q = 1907.77 CFS = 27.81 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .942 . MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE =* UNIT INTERVALS IS CSTAR = .999 . CONVEX METHOD CHANNEL ROUTING RESULTS: IVO MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) . (HRS) (CFS) (CFS) 14.083 1516.7 1511.7 Ma 14.16 1534.0 1528.1 14.250 1557.5 1549.5 14.333 1590.2 1579.1 . 14.417 1631.2 1617.2 14.500 1678.1 1662.1 00 14.537 1726.7 1711.5 14.667 1780.4 1762.8 ~° 14.750 1830.7 1817.6 14.833 1878.9 1862.5 w= 14.917 1924.5 1909.0 15.000 1967.4 1952.8 15.083 2007.4 1993.8 == 15.167 2044.6 2071.9 15.250 2079.1 2067.4 *NW 15. 333 2111.1 2100.2 15.417 2139.6 2129.9 m 15.500 2160.4 2153.3 15.583 2165.1 2163.5 *01 15.667 2146.1 2153.9 15.750 2113.3 2125.1 15.833 2068.8 2083.9 ' 15.917 2027.1 2038.6 16.000 1985.5 1198.3 . 16'083 1973.6 1977.7 16.167 2019.2 2003.7 "m 16.250 2148.6 2104.6 16. 333 2333 2270.7 16.417 2495.3 2440.3 m 16.500 2593.7 2560.2 1 2638.6 2623.3 m 16.667 '649.1 2645.5 16.750 2646.8 2647.6 mu 16.833 2640.9 f642.9 16.917 2633.2 2635.8 17.000 2624.0 2627.1 WO 17.083 2613.0 2616.7 17.167 2599.1 2603.8 *� 17.250 2578. 5 --185..1 17.333 2547.6 2558.1 . 17.417 2506.5 2520.5 17.500 2457.5 2474.2 m 17.583 2403.6 2421.9 17'1, 2347.3 2366.4 17.833 2234.6 2253 ` 17.917 2180.1 2198.7 18.000 2128.7 2146.2 "= 18.083 2080.2 2096.7 18.167 2032.8 2048.9 ~_ 18.250 1 1. 18.333 1937.9 1954.1 18.417 1890.5 1906.6 = 18.500 1844.4 1860.1 18.583 1799.9 1815.1 am 18.667 1757.3 1771.8 18.750 1716.5 1730.4 . 18.833 1678.3 1691.3 18.917 1642.6 1654.8 . 19.000 1608.6 1620.2 19.083 1576.2 1587.2 19.167 1545.3 1555.8 ~. 19.250 1515.9 1525.9 19.333 1488.0 1497.5 . 19.417 1461.3 1470.4 19.500 1435.9 1444.6 ~ 19.583 1411.8 1420.0 19.6 1388.7 1396.6 19.750 1366.8 1374.2 19.833 1345.8 1353.0 19.917 1325.9 1332.7 20.000 1306.8 1313.3 . + ************************************************************************ ~ FLOW PROCESS FROM NODE 43.20 TO NODE 43.00 IS CODE = 1 >>>>> UNIT-HYDROGRAPH ANALYSIS << _. (UNIT-HYDROGRAPH ADDED TO STREAM #2) ~ WATERCOURSE "LAG" TIME = .228 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 36.491 WATERCOURSE LENGTH = 6200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 4000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 150.000 FEET BASIN FACTOR = .025 WATERSHED AREA = 119.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED ~~ MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .492 ' LOW LOSS FRACTION = .379 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .76 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.30 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.60 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.13 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.75 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 11.00 ^-. *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .585 . 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .618 3-HOUR FACTOR = .912 . 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 . RUNOFF HYDROGRAPH LISTING LIMITS: . MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 . ==____ _ ___ =° UNIT HYDROGRAPH DETERMINATION wm __ INTERVAL "S" GRAPH UNIT HYDROGRAPH = NUMBER MEAN VALUES ORDINATES(CFS) ____ ____ ___ _________ . 1 2.494 35.897 2 16.310 198.832 3 41.937 368.805 40 4 70.481 410.805 5 87.177 240.276 =* 6 94.712 108.436 7 97.830 44 .879 -- _-_ ^~.^ '— ' 9 99.365 9.207 10 99.746 5.483 11 99.937 2.742 = 12 100.000 .914 TOTAL SOIL—LOSS VOLUME(ACRE—FEET) = 39.1197 = TOTAL STORM RUNOFF VOLUME(ACRE—FEET) = 67.4199 *sr ----- = 24-HOUR STORM RUNOFF HYDROGRAPH = HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 75.0 150.0 225.0 300.0 15.083 37.1211 69.57 . Q. . V . . 15.167 37.6015 69.75 . Q. . V . . 15.250 38.0831 69.93 . Q. . V . . 15.333 38.5662 70.14 . Q. . V . • 15.417 39.0428 69.20 . Q. . V . • 15.500 39.4773 63.09 . Q • . V . . 15.583 39.8338 51.76 . Q . . V . . 15.667 40.1075 39.75 . Q . . V . . 15.750 40.3426 34. . GI . . V . . 15.833 40.5757 33.85 . Q . . V . . 15.917 40.8310 37.07 . Q . . V . . 16.000 41.1395 44.79 . Q . . V . . 16.083 41.6201 . . Q. . V . . 16.167 42.5777 .05 . . Q . v . • 16.250 43.9723 202.49 . . . Q . • 16.333 45.4145 209.41 . . . VQ . . 16.41 46.7649 137.99 . . Q ^ V ^ ^ 16.500 46.9591 . . .Q . v , , 16.583 47.4248 67.62 . Q. . V . • 16.667 47.8730 65.08 . Q . . v . • 16.750 48.3499 69.25 . Q. . V , , 16.833 48.6336 70. . Q. . V . . 16.917 49.3154 69.96 . Q. . V. . 17.000 49.7921 69.21 . Q. . V. . 17.083 50.2624 68.29 . Q. . V. . 17.167 50.7118 65.26 . Q . . v . 17.250 51.12 59.59 ,. Q . . V . 17.333 51.4875 53.03 . Q . . V . 17.417 51.8228 48.69 . Q . . V . 17.500 52.1408 46.17 . Q . . V . 17.583 52.4478 44.58 . . . .V . 17.667 52.7474 . . Q . . .V . 17.750 57.0404 . . Q . . . V ^ 17.833 5 . 41.68 . Q . . .v 17.917 53.6092 40.92 . Q . . .V . 18.000 53.8862 40.22 . Q . . .V . �4******4(******************************************************************* FLOW PROCESS FROM NODE 44.00 TO NODE 43.00 IS CODE = 1 >>>>>UNIT-HYDROGRAPH ANALYSIS- _ _ = (UNIT-HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .337 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 24.760 WATERCOURSE LENGTH = 18900.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8000J000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 290.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 1251.000 ACRES BASEFLOW = 000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCHyHOUR) = .444 LOW LOSS FRACTION = .370 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL (INCH)= .57 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.95 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.53 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 10.45 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = 606 1-HOUR FACTOR = .618 3-HOUR FACTOR = .912 24-HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH ww NUMBER MEAN VALUES ORDINATES(CFS) 1 1.478 223.665 ~� 2 7.257 874.230 20.430 1992.946 - ~ 4 77.860 2637.057 5 59.088 3211.631 6 75.831 2533.111 7 86.417 1601.575 .~ 8 92.403 905.729 9 95.941 5:6.274 1 0 97.826 284.162 ~~ 11 98.468 97.185 12 98.933 70.244 = 13 99.380 67.618 14 99.752 56.312 15 99.938 28.156 16 100.000 9.385 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 384 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 679.7593 Avo 410 OW � ■ ' ..' .., ' ,� ``� /��.'��a , .. ' s :•`'/�:,:e�zza„��;''s��_'_.:/rz , _.�":,.w : zo�� :: 24-HOUR STORM RUNOFF HYDROGRAPH HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) O. 400.0 800.0 1200.0 1600.0 15.087 369.1843 685.01 . . Q .V . . 15.167 . 688.37 . • Q . V • . 15.25 . 691.64 . . Q . V . . 15.333 . . . . Q . V . • 15.417 388.2438 692.57 . • Q . V • • 15.500 392.8861 674.06 . . Q . V . . 15.583 397.2144 628.47 . . Q . V . . 15.667 401.1382 569.72 . . Q . V . . 15.750 404.5979 502.35 . . Q . V . . 15.833 407.7726 460.96 . .Q . V . . 15.917 410.9227 457.40 . .Q . V . . 16.000 414.3 79 492.98 . . Q . V . . 16.083 418.5934 620.81 . . Q . V . ~ 16.167 424.5998 872.12 . . .Q V . . 16.250 432.9961 1219.14 . . . V Q ~ 16.333 442.6999 1409.00 . . . v . Q • 16. 17 45 . . . . . V . Q . 16.500 461.9379 1282.26 . . . V . Q . 16.583 468.8966 1010.40 . . . Q V . . _ 16.667 474.5963 7.60 . . Q �� . . - 16.750 479.8249 759.19 . . Q . V . . 16.833 464.7956 721.76 . . Q . V . . 16.917 489.5694 693.15 . . Q . V . . 17.000 494.3556 694.95 . . . V. . - 17.083 499. 39 695.27 . . Q . V. . 17.167 503.8739 680.98 . . Q . V. . 17.250 508.2783 645.32 ~. . Q . V. ^ 1 512.4359 3.6 . . Q . V . 17.417 516.2742 557.32 . . Q . V . " 17.500 519.8575 520.29 . . Q . V . 17.583 523 493.15 . . Q . V . 17.667 526.5 65 473.73 . .Q . V . 17.750 529.6757 .71 . .Q . .V . 17.833 532.7546 .07 . .Q . .V . 17.917 535.7720 438.11 . Q . .V . 18.000 538.7333 429.99 . Q . .V . **************************************************************************** FLOW PROCESS FROM NODE 43.00 TO NODE 404.00 IS CODE = 5 >>>>>MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<<< = THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWID H(F = 20.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1530.00 DOWNSTREAM ELEVATION = 1450.00 CHANNEL LENGTH(FT) = 3650.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM FLOW (CFS) = 4089.39 AVERAGE 50% MAXIMUM INFLOW = 2815.31 CHANNEL NORMAL VELOCITY FOR Q = 2815.31 CFS = 32.77 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .951 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = .999 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) (HRS) (CFS) (CFS) 15.083 2748.4 2732.6 _ - 15.250 2829.0 2815.2 ~~ 15.333 2865.2 2852.4 15.417 2891.7 2882.3 0 15.500 2890.4 2890.9 15.583 2843.7 2860.3 0. 15.667 2767,7. 2791.8 15.7 2661.6 2697.6 15.833 2578.7 2608.1 O 15.917 2533.1 2549.3 16.000 2536.1 2535.0 .0 16.083 2668.2 2621.5 16.167 3014.9 2892.2 O 16.250 3526.2 3345.2 16.333 3889.2 3760.5 ~~ 16.417 4089.4 4018.4 16.500 3928.7 3985.5 16.583 3701.3 3781.8 ". 16.667 38.2 3596.0 16.750 3476.0 3498.1 ~~ 16.833 3434.9 3449.4 16.917 3398.9 3411.7 0= 17.000 3391.3 7794.0 17.083 3380.3 3384.2 17.167 3350.0 3360.7 ~° 17.250 3290.4 3311.5 17.333 3214.8 3241.6 - 17.417 3126.5 3157.8 1 7.500 3040.7 3071.1 ~~ 17.583 2959.7 2988.4 17.667 2887.7 2910.6 ~~ 17.750 2811.1 2836.8 17.833 2742.4 2766.8 17.917 2677.7 2700.6 - 18.000 2616.4 2638.1 18'083 2558.0 2578.7 - 18.167 2499.6 2520.3 18.250 2439.0 2460.5 ~~ 18.333 2376.9 2398.9 ' 18.417 2314.0 2336.3 _ 18.500 2254.4 2275 18.583 2199.2 2218.7 18.667 2148.0 2166.1 -- 18.750 2099.9 2116.9 18.833 2055.1 2071.0 ~- 18.917 2013.6 2028.7 19.000 1974.4 1988.7 _~ 19.083 1936.9 1950.2 19.167 1101.2 1913.9 19.250 1867.3 1879.3 0. 19.333 1835.0 1846.5 19.417 1804.3 1815.2 - 19.500 1775.0 1785.4 19.583 1747.0 1756.9 ^~ 19.667 1720.4 1729.8 19.750 1694.9 1703.9 19.833 1670.6 1679.2 - 19.917 1647.4 1655.6 20.000 1625.2 1633.0 = Val ��- .****4*******,t********************************************************** FLOW PF/CESS FROM NODE 404.00 TO NODE 404.00 IS CODE = 1 0 >>>>> UNIT-HYDROGRAPH ANALYSIS ------------ _ = 0, (UNIT-HYDROGRAPH ADDED TO STREAM #2) 0 WATERCOURSE "LAG" TIME = .118 HOURS "0 UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES wm UNIT INTERVAL PERCENTAGE OF LAG-TIME = 70.386 WATERCOURSE LENGTH = 4000.000 FEET 40 LENGTH FROM CONCENTRATION POINT TO CENTROID = 1800. 000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 80.000 FEET ~0 BASIN FACTOR = .020 WATERSHED AREA = 102.000 ACRES .01 8ASEFLOW = . 000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED O MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .411 LOW LOSS FRACTION = .350 *HYDROGRAPH MODEL #1 SPECIFIED* °0 SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .67 O SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.57 ^ ��a' SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.50 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 10.00 = *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .618 3-HOUR FACTOR = .912 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: 4411 MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 =m =-- -- UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 8.771 108.192 ~� 2 53.386 550.356 3 89.505 445.558 4 97.972 104.439 5 99.358 17.099 - 6 99.743 4.752 7 99.936 2.376 9 100.000 .792 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 28.1764 ^~ T OTAL STORM RUNOFF VOLUME(ACRE-FEET) = 54.8403 ~ ~ � iM vas - =____ = 24-HOUR STORM ~~ RUNOFF HYDROGRAPH ^m HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . ___ TIME(HRS) VOLUME(AF) Q(CFS) 0. 75.0 150.0 22 5.0 300.0 AI _________ _ 15.083 30.5423 56.60 . Q . . V . . ,� 15.167 30.9349 57.00 . . . V . ~ 15.250 31.3303 57.41 . Q . . V . . 15.333 31.7290 57.89 . Q . . V . . °lif 15.417 32.1129 55.75 . Q . . V . . 15.500 32.4090 42.99 . Q . . V . . ~~ 15.583 32.6395 33.47 . Q . V . . 15.6�7 32.8701 33.49 . Q . . V . . = 15.750 33.1144 35.47 . Q . . V . . 15.833 33.3598 35.64 . Q . . V . ~ ~~ -7 33.6254 38.56 . Q . . V . . 16.000 33.9756 50.84 . Q . . V . . 16.083 34.6728 101.24 . • Q . V . . = 16. 167 36.3055 237.06 . . . V .Q . 16,250 37 191.63 . . . Q V . . 38.1506 76.28 . Q . V . . 16.417 38.4584 44.70 . Q . . V . . 38.7964 49.08 . Q . . V . . 16.583 39.1856 56.51 . . . V . . 16.667 39.5798 57.23 . Q . . V ~ . - 16.750 39.9689 56.50 . Q . . V. . 16.833 40.3538 55.89 . Q . . V. . ~~ 16 40.7349 55.34 . 0 . . V. 17.000 41.1125 54.82 . Q . . V. . - 17.083 41.4794 53.27 . Q . . V . 17 .z67 41.8050 47.28 . Q . . V . ~_ 17.250 42.0950 42.12 . Q . . V . 17.333 42.3721 40.23 . Q . . V . 17.417 42.6424 39.25 . Q . . .V . ~ 17.500 42.9072 38.44 . Q . . .V . 17.583 43.1670 37.72 . Q . . .V . 17.667 43.4223 37.07 . . . .V . 17.750 43.6734 76.47 . Q . . ,y , . 17.833 43.9207 35.91 . Q . . . V . 17.917 44.1644 35.39 . Q . . . V . 18.000 44.4048 34.89 . Q . . . V . - -~ +************************************************************************** FLOW PROCESS FROM NODE 404.00 TO NODE 404.00 IS CODE = 7 ~~_____ >/>>> STREAM NUMBER 2 ADDED TO STREAM NUMBER 1<<<<< ~ °* ******** ****************************************************************** FLOW PROCESS FROM NODE .43 TO NODE .44 IS CODE = 3 _ ______ MODEL FLOW-THROUGH DETENTION BASIN ROUTING<<<< . �� °" ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 THROUGH A FLOW-THROUGH DETENTION BASIN . USING FIVE-MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: _° DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 ^w SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 ' BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: ' . INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) =m 1 .00 .00 .000 2 .10 3000.00 .300 . 3 3.00 3178.00 9.300 4 10.00 4352.00 95.700 5 20.00 5618.00 225.700 - 6 22.00 5838.00 251.700 7 25.00 6154.00 290.700 ~ ' ' INFLOW ~° (STREAM 1) | =° � ) . V effective depth T- (and volume) | | | | Alai | { V 1 detention 1 <--> outflow . | basin | -- | ^ | \ =* > . storage | basin outlet V AM OUTFLOW (STREAM 1) Mr ======------ - - MI BASIN ROUTING MODEL RESULTS(5-MINUTE INTERVALS) : . TIME DEAD-STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 41. 15.087 .000 4941.4 9.69 4268.9 91.900 15.167 .000 5008.1 10.07 4330.4 96.567 As 15.250 .000 5071. 1 10.43 4383.5 101.302 15.333 .000 5129.0 10.80 4430.0 106.116 ~� 15.417 .000 5175.3 11.17 4476.9 110.926 15.500 .000 5188.6 11.52 4522.6 115.513 °� 15.583 .000 5164.2 11.84 4565.0 119.640 15.667 .000 5108.9 12.11 4602.1 123.130 15.750 .000 5026.9 12.32 4632.4 125.847 . 15.877 .000 4944.6 12.47 4655.3 127.840 15.917 .000 4893.3 12.59 4672.4 129.361 ~= 16.000 .000 4895.5 12.70 4686.8 130.798 16.083 .000 5039.3 12.88 4705.0 133.101 - 16. 167 .000 5460.4 13.26 4740.4 138.059 16.250 .000 5892.2 13.84 4801.1 145.574 "4 16.333 .000 6222.5 14.55 4882.6 154.802 16.417 .000 6482.8 15.34 4978.0 165.165 16.500 .000 6490.6 16.09 5075.9 174.908 . 16.583 .000 6326.9 16.71 5162.4 182.928 16.667 .000 6166.1 17.20 5232.8 189.356 = 16.750 .000 6085.7 17.63 5290.7 194.831 16.833 .000 6052.7 18.00 5341.2 199.731 - 16.917 .000 6030.4 18.34 5386.7 204.164 17.000 .000 6028.3 18.66 5428.4 208.296 17.083 .000 6032.5 18.96 5467.5 212.187 -~ 17.167 .000 6018.1 19.27 5503.7 ' 215.730 17.250 .000 5976.9 19.47 5535.7 218.769 - 17.333 .000 5916.1 19.65 5562.4 221.205 17.417 .000 5840.6 19.79 5582.9 222.980 -~ 17.500 .000 5760.5 19.88 5597.0 224.106 17.583 .000 5682.7 19.92 5605.1 224.640 17.667 .000 5608.3 19.92 5607.7 224.645 17.750 .000 5536.9 19.88 5605.4 224.173 17.877 .000 5468.3 19.81 5598.8 223.275 ~~ 17.917 .000 5403.0 19.72 5588.2 221.999 18.000 .000 5340.6 19.59 5574.1 220.391 ~� 1F1.087 .000 5280.2 19.44 5557.0 218.484 18.167 . . 19.28 7.0 216.288 =IN 1R.250 .000 5154.6 19.09 5514.3 213.811 18.333 .000 5089.8 18.87 5488.8 211.063 18.417 .000 5023.6 18.64 5460.8 208.052 ~o 18.500 .000 4958.2 18.79 5430.7 204.800 18.583 .000 4895.9 18.13 5397.6 201.344 . 18.667 .000 4837.0 17.85 5363.2 197.721 18.750 .000 4781.0 17.56 5327.2 193.959 . 18.877 .000 4727.8 17.26 5290.0 190.0E36 18.917 .000 4677.4 16.96 5251.9 186.130 gill 19.000 .000 4628.8 16.65 5213.1 182.106 19.083 .000 4581.1 16.33 5173.6 178.025 19.167 .000 4535.0 16.02 5133.6 173.903 wm 19. .000 4490.4 15.70 5093.4 169.750 19 .000 4447.2 15.38 5052.8 165.579 oi• 19.417 .000 4405.4 15.05 5012.2 161.400 19.500 .000 4364.9 14.73 4971.5 157. `im 19.583 .000 4325.6 14.41 4930.8 153.054 19.667 .000 4287.4 14.09 4890.3 148.902 ,w 19.750 .000 4250.4 13.77 4850.0 144.773 19.833 .000 4214.5 13.46 4809.9 140.672 19.917 .000 4179.5 13.15 4770.1 136.604 ~." 20.000 .000 4145.6 12.84 4730.7 132.574 20.083 .000 4112.6 12.53 4691.7 128.586 . 20.167 .000 4081.2 12.23 465.:...1 124.647 ^o r�0 '000 4051.6 11.93 4615.0 120.767 .... ' `°�u ' .7 � � 20.417 .000 39 1 95.8 1.35 4540 117.196 20.500 .000 3968.6 11.06 4504.4 109.508 20.583 .000 3941.9 10.78 4468.8 105.879 = 20.667 .000 3915.6 10.51 4433.8 102.311 20.750 .000 3889.7 10.24 4399.3 98.801 20.833 .000 3864.2 9.97 4364.8 95.354 20.917 .000 3839.2 9.70 4324.6 92.011 **************************************************************************** °= FLOW PROCESS FROM NODE 4.00 TO NODE 4. 10 IS CODE = 1 >>>>> UNIT-HYDROGRAPH ANALYSIS< (UNIT-HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = . 126 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 66.144 AN WATERCOURSE LENGTH = 12200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 2400.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 640.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 585.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE ~a VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS TE(INCH/HOUR) = .291 LOW LOSS FRACTION = .246 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAIN INCH) = .58 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.58 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.07 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.65 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 10.60 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .618 3-HOUR FACTOR = .912 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 +**> NOTE: RATIO OF (LENGTH TO CENTROID) / (LENGTH OF WATERCOURSE) IS NOT BETWEEN [.25] AND [.75] ========== _ _= UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH mW NUMBER MEAN VALUES ORDINATES(CFS) 1 7.759 548.912 ~" 2 48.578 2887.896 3 86.696 2696.776 4 97.286 749.255 5 99.141 131.231 99.656 76.464 7 99.914 18.232 ~� 8 100.000 6.077 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 121.1308 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 383.5357 = wm. =__________ _ _____ ~= 24-HOUR STORM . R U N O F F H Y D R O G R A P H =__ _ _ _ _ _ = HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 325.0 650.0 975.0 1300.0 *W 15.083 216.3067 407.44 . . Q . V . . 15.167 219.1219 408.77 . . . V . . m 15.250 221.9467 410.16 . . Q . V . . 15.333 224.7824 411.75 . . Q . V . . ow 15.417 227.5137 396.59 . . Q . V ~ . 15.500 229.6526 310.56 . Q. . V . . m 15. 231.2729 235.26 . Q . . V . • 15.667 232.8460 228.41 . Q . . V . . WO 15. 234.5288 244.34 . Q . . V . 15. 833 236.3596 265.84 . Q . . V . . 15.917 238.4378 301.74 . Q. . V . . ma 16.000 241.0942 385.71 . . . V . . 16.083 �45.5036 640.25 . . Q. V . • mo 16.167 254.0010 1233.82 . . . V . Q . 16.250 261.5547 1096.81 . . . V . Q . �� 16.333 265. 1254 518.46 . • 0 . V . ~ 16.417 267.2711 311.55 . Q. . V . . wt. 16.500 '69.580'1 335 . Q . V . . 16. 272.3005 394.94 . . Q . V . . 6 275.1089 407.78 . . Q . V . . - 16. 750 277. 9089 406.55 . . Q . V . . 16.833 280.6978 404.95 . • 0 . V. . == 1b.917 283.4755 403.32 . . . V. . 1 .0 286.2416 401.64 . . Q . V. . . 17.083 288.9317 390.60 . . Q . V . 17.167 291.2686 339.31 . Q . V . 440 17.250 293 289.08 . Q . . V . 17.333 295.1209 270.29 . Q . . V . 17.417 296.92 261.99 . Q . . V . =~ 17.500 298.6866 255.74 . Q . . .V . 17.583 300.4099 250.23 . Q . . .V . •si 17.66 302. 0994 245.71 . Q . . .V . 17 . 750 303.7581 240.85 . CO . . .V . ~° 1 305.3883 236.70 . . . .V . 1 306.9918 232.83 . Q . . . V . 18.000 308.5703 229.20 . Q . . . V . vw ~� _*.************************************************************************* FLOW PROCESS FROM NODE 2.00 TO NODE 2.00 IS CODE = 1 >>>>` UNIT-HYDROGRAPH ANALYSIS <<<<< . (UNIT-HYDROGRAPH ADDED TO STREAM #3) . WATERCOURSE "LAG" TIME = .636 HOURS . UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES we UNIT INTERVAL PERCENTAGE OF LAG-TIME = 13.099 WATERCOURSE LENGTH = 19400.000 FEET ^= LENGTH FROM CONCENTRATION POINT TO CENTROID = 11600.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3880.000 FEET . BASIN FACTOR = .045 WATERSHED AREA = 1960.000 ACRES .= BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 m� FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .350 ~"" VALLEY(UNDEVELOPED/DESERT) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 . MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .308 LOW LOSS FRACTION = .132 . *HYDROGRAPH MODEL #1 SPECIFIED* oke SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .76 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.55 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 2.08 "" SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 4.13 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 6.94 ^W SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 16.80 (...�^. : c.I.^�.�� i- iti-^r r I AL_ `,I I� ,�7 1 al ■LI -`� 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .618 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) - 1 1.044 2 . 359 2 3.5 589.55 3 3 7.05 \ 4. 4 12.182 1215.882 _ 5 18.808 1570.458 6 26.263 1767.2 2 7 34.726 2005.931 8 47^ 3 307 .425 9 55.839 1926.252 - 10 60.977 1217.831 11 65.022 958.946 12 68.433 808.451 13 71.241 665.700 _ 14 73.871 623.334 15 76.097 527.631 16 78.176 492,897 17 79.967 424.545 18 81.650 .7 -- 19 83.152 356.225 20 84.535 T27.713 21 85.757. 289.598 22 86.890 .6 23 87.937 248.179 - 24 88.872 221.534 25 89.725 202.335 26 90.466 175.556 27 9 .1 . _ 28 91.752 143.669 29 92.324 135.571 30 92.821 117.803 31 93.278 108.390 32 93.599 76.083 33 93.893 69.824 34 94.188 69.884 35 94.478 68.575 36 94.748 64.064 37 95.016 63.629 38 95.285 . 4 39 95.529 57.912 40 95.750 . .»' 41 95.970 .1 42 96.190 .1 43 96.405 ' 51.085 44 96.617 .V 45 96.828 50.022 46 97.038 49.926 47 97.237 47.076 48 97.402 39.160 49 97.521 28.279 50 97.640 28.055 51 97.752 . 52 97.862 26.101 53 97.972 26.053 54 98.079 25.407 5 98.172 Z. 56 98.264 21.723 57 98.356 21.721 58 98.450 22.342 59 98.550 ^ 60 98.651 23.899 61 98.752 23.901 62 98.829 18.307 63 98.875 10.936 64 98.921 10.836 65 98.967 10.887 66 99.013 10.862 67 99.059 10.885 68 99.105 10.836 70 99.196 10.885' - 71 99.242 10.836 72 99.288 10.885 = 73 99.334 10.836 74 99.380 10.887 99.426 10.885 76 99.471 10.836 77 99.512 9.650 °= 78 99.535 5.442 79 99.557 5.147 80 99.578 5.047 81 99.600 5.147 82 99.621 5.145 83 99.643 5.096 84 99.667 5.642 85 99.688 5.096 86 99.710 5.096 wi 87 99.731 5.096 88 99.753 5.096 89 99.774 5.098 90 99.796 5.096 91 99.817 5.096 92 99.839 5.096 93 99.860 5.096 94 99.882 5.098 95 99.903 5.096 96 99.925 5.096 97 99.946 5.096 98 99.968 5.096 99 99.989 5.098 100.000 2.555 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 348.4839 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2331.1990 = = �� ~~ = � �OW MPS �� = � = - . ===== _________ . 24-HOUR STORM RUNOFF HYDROGRAPH = =_______ _ _ ___ _ __ . HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 750.0 1500.0 2250.0 3000.0 ea 15.083 1222.6610 1966.27 . . V Q . . 15.167 1236.3030 1980.71 . . .V Q • . . 15.250 1250.0320 1993.54 . . .V Q . . 15.333 1263.8460 2005.83 . . .V Q . . =~ 15.417 1277.6560 2005.21 . . .V . . 15.500 1291.3510 1988.43 . . . V Q . . - 15.583 1304.8580 1961.25 . . . V Q . . 15.667 1318.0720 1918.71 . . . V Q . . 15.750 1330.9040 1863.12 . . . V Q . . ~� 15.833 1343.3350 1805.09 . . . VQ . . 15.917 1355.3840 1749.40 . . . Q . . -~ 16.000 1366.8600 1666.31 . . . QV . . 16.083 1378.8210 1736.79 . . . Q . . . 16.167 1391.7830 1882.01 . . . V Q ~ . 16 250 1405.6290 2010.49 . . . V Q . . 16 1420.6390 2179.48 . . . V Q. . - 16417 1436.7610 2340.97 . . . V .Q . 16~ 1453.7610 2468.39 . . . V . Q . = 16.5E'7 1471.6570 2598.47 . . . V . Q . 1 1491.6560 2903.76 . . . V . Q . - 16 1508.7820 2486.81 . . . V . Q • 16~ 1524.1330 2228.92 . . . V Q. . ~~ 16917 1538.9330 2148.93 . . . V Q . . 17 1553.9420 2179.29 . . . V Q. . ~~ 1 1568.9200 2174.89 . . . V Q . . 17.167 1583.8800 2172.17 . . . v . . 17.250 1598.6340 2142.21 . . . v . ~ = 17.333 1613.2470 2121.88 . . . «w ~ ^ 17.417 1627.5850 2081.86 . . . . . ~~ 17 500 1641.7170 2051.94 . . . QV . . 17 1655.5560 2009.46 . . . Q V . , 17 1669.0160 1954.40 . . . Q V . . `~ 17 1682. 1660 1909.35 . . . Q V . . 17 1695.1100 1879.44 . . . Q V. . -~ 17 1707.8650 1851.97 . . . Q � V. . 18 1720.4350 1825.17 . . . Q V. . . ~= ******** ** ***************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE 2.10 IS CODE = 5 _ _________ °- >>>>> MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<<< __ - . THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handbook, °� Hydrology, Chapter 17, page 17-52, August, 1972, . U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: . BASEWIDTH(FT) = 25.00 CHANNEL Z = 2.50 UPSTREAM ELEVATION = 2160.00 . DOWNSTREAM ELEVATION = 1950.00 CHANNEL LENGTH(FT) = 2400.00 MANNINGS FACTOR = .030 =m CHANNEL ROUTING COEFFICIENT ESTIMATED: *o• MAXIMUM INFLOW(CFS) = 2903.76 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1874.99 MI% CHANNEL NORMAL VELOCITY FOR Q = 1874.99 CFS = 23.71 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .933 . MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = .999 . 40, CONVEX METHOD CHANNEL ROUTING RESULTS: . MOD L INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) . (HRS) (CFS) (CFS) 15.083 1966.3 1961.5 15.250 1993.5 1989.5 -. 15.333 2005.8 2001.9 15.417 2005.2 2005.4 ~= 15.500 1988.4 1993.7 15.583 1961.3 1969.8 °~ 15.667 1918.7 197"." 15.750 1863.1 1880.7 15.833 1805.1 1823.4 = 15.917 1749.4 1767.0 16.000 1666.3 1692.6 °� 16.083 1736.8 1714.6 16.167 1882.0 1836.1 m 16.250 2010.5 1969.9 16.333 2179.5 6.1 16.417 2341.0 2289.9 °= 16.500 2468.4 2428.1 16.583 2598.5 2557.3 .no 16.667 2903.8 2807.7 16.750 2486.8 2618.3 m 16.833 2228.9 2310.5 16.917 2148.9 2174.3 m 17.000 2179.3 2169.7 17.083 2174.9 2176.3 17.167 2172.2 2173.0 °- 17.250 2142.2 2151.7 17'333 2121.9 2128.3 ~~ 17.417 2081.9 2094.5 17.500 2051.9 2061.4 ~~ 17.583 2009.5 2022.9 17.66 1954.4 1971.8 .= 17.750 1909.4 1923.6 17.833 1879.4 1888.9 17.917 1852.0 1860.7 ~� 18.000 1825.2 1833.6 _~**** ***** ****************************************************************** ~.. FLOW PROCESS FROM NODE 2.10 TO NODE 3.00 IS CODE = 5 )>>>>MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<< ~� __ ~.. THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER -^ TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August,1972, - U.S. Department of Commerce). = ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 15.00 CHANNEL Z = .00 ~- UPSTREAM ELEVATION = 1950.00 DOWNSTREAM ELEVATION = 1570.00 ~ CHANNEL LENGTH(FT) = 6700.00 MANNINGS FACTOR = .014 ~ CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2807.32 ~~ AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1844.61 CHANNEL NORMAL VELOCITY FOR Q = 1844.61 CFS = 41.65 FPS ~� ESTIMATED CHANNEL ROUTING COEFFICIENT = .961 m MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = .995 m CONVEX METHOD CHANNEL ROUTING RESULTS: m MODEL INFLOW OUTFLOW _= TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) m 15.087 1961.5 1953.3 15.167 1976.1 1968.5 15.250 989.5 1982.5 m, 15.333 2001.9 1995.5 15.417 2005.4 2003.6 m 15.500 1993.7 1999.8 15.583 1969.8 1982.2 15.667 1932.2 1951.7 m. 15.750 1880.7 1907.4 15.833 1823.4 1853.2 MN 15~917 1767.0 1796.4 16.000 1692.6 1731.3 m 16.083 1714.6 1703.4 16.167 1836.1 1773.1 m 16.250 1969.9 1900.3 16.333 2126.1 2044.9 ____ _ __,, _ 16.500 2428.1 2356.1 °~ 16.583 2557.: 2490.1 16.667 2807.3 2677.6 16.750 2618.3 2715.5 16.833 2310.5 2470.4 16.917 2174.; 2245.6 17.000 2169.7 2172.5 17.083 2176.3 2172.9 40 17.167 2173.0 2174.7 17.250 2151.7 2162.7 17.333 2128.3 2140.5 17.417 2094.5 2112.1 17.500 2061.4 2078.6 17.583 •022.9 2042.9 17.667 1971.8 1998.3 °m 17.750 1923.6 1948.7 17.833 18g8.9 1907.0 °a 17.917 1860.7 1875.4 18.000 1833.6 1847.7 �** *** ***************** ***************************************************** FLOW PROCESS FROM NODE 3.00 TO NODE 3.00 IS CODE = 1 ~� >!>>> UNIT-HYDROGRAPH ANALYSIS = (UNIT-HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .261 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 31.976 WATERCOURSE LENGTH = 17800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2300.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 1947.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .350 FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 VALLEY(UNDEVELOPED/DESERT) : "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .475 LOW LOSS FRACTION = .349 *HYDROGRAPH MODEL *1 SPECIFIED* = SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .60 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.26 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.69 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.30 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.10 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 11.50 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 10$ 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .61g 3-HOUR FACTOR = .912 40 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 ==-----=-------- UNIT HYDROGRAPH DETERMINATION ________ _________ INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ' ORDINATES(CFS) 1 2 .232 525.475 ~� 2 10.878 2035.799 3 28.831 4227.423 =� 4 57.739 6806.794 5 73.302 3664.560 6 82.163 2086.481 7 87.737 1312.598 8 91.338 847.810 = 9 93.725 562.004 10 95.592 439.556 ^^ • � � �' '�' 12 97.956 229.866 13 98.589 149.075 14 98.882 68.891 = 15 99.114 54.530 16 99.316 47.660 °= 17 99.458 33.357 18 99.599 33.357 19 99.741 33.355 20 99.883 33.357 21 100.000 27.628 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 622.2056 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1200.17;40 WOW "_ =- �i* *WO == � 40% "110 �� T , 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 775.0 1550.0 2325.0 3100.0 15.083 656.3190 1249.21 . . Q .V . - -- 15.167 664.9518 1253.49 . • Q . V • 15.250 673.6132 1257.63 . . Q . V . 15. 682. 3054 1262.10 . Q . V • 15.417 690.9247 1251.53 . . Q . V . 15.500 699.18 37 1199.20 . Q V 15.583 706.6772 1088.07 . Q . V . 15.667 712.9613 912.45 . .Q . V . 15.750 718.7552 841.27 . (11 . V . 15.833 724.4879 872.38 . Q . V . 15.917 730.4388 864.08 . .Q . V • 16.000 7' 955.64 . . Q . V . 16.083 745. 5552 1239.26 . . Q V . 16.167 757.9787 1803.89 . . . Q V . 16.250 774.9484 2464.01 . . . V . . - 16.3:33 795.6493 3005.76 . . . V Q . 16.417 809.9448 2075.71 . . Q . 16.500 820.7 1573.84 . . Q V . 16.583 830.2258 1.370.97 . . Q . V . 16.667 839.5977 1.360.79 . . Q . V . 16.750 848. 8294 1340.45 . . Q . V . . 16.8 73 858.0067 1.332.54 . . Q . V . . 16.917 867.0569 1314.11 . . Q . V . . 17.000 875. 9525 1291.64 . . Q . V. . -- 17.087 884. 6432 1261.89 Q V. . 17.167 892.9925 1212.31 Q V. . 17.250 900.8847 1145.95 Q . V . 17.333 908.0499 1040.39 . . Q . V . 4 17.17 914.7531 973.30 . . Q . V . '` 17.500 921. 1534 929.33 . . Q V . 17.583 927.240 895.97 . . Q V 17.667 933. '085 868.94 .Q . .V . 17. 93'9.1230 844.27 Q . .V . 17.833 944.7513 817.24 . Q . .V 17.917 950.2598 799.82 . Q . .V . 18 . 000 955.6651 784.86 . Q . . V . FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 5 .)rMODEL CHANNEL ROUTING BY THE CONVEX METHOD‹ <<“ THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 22.00 CHANNEL 2 = .00 UPSTREAM ELEVATION = 1570.00 DOWNSTREAM ELEVATION = 1380.00 CHANNEL LENGTH(FT) = 5500.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 5050.61 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3191.11 CHANNEL NORMAL VELOCITY FOR Q = 3191.11 CFS = 39.04 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .958 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .997 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3202.5 3192.4 ie: 4L7 '±n -,-, r'i . . ..., ni -, - _ ..- . - . ... .. 15.250 3245.2 3231.9 '- 15.777 7257.6 3249.7 15.417 3255.1 3256.2 15.500 3199.0 7 15.583 3070.3 3128.5 -- 15.667 15.750 2748.7 2801.2 15.833 2685.6 2714.3 15.917 2660.5 2671.9 16.000 9 2675.0 16.083 6 2827.1 16.167 3577.0 3290.1 16.250 4364.3 4007.8 16.773 5050.6 4739.5 __ 16.417 . 16.500 0 4089.3 16.583 0 3892.7 16.667 4 3958.3 16.750 9 4047.7 - 16.833 9 3917.2 16.917 7 3669.9 17.000 . ^'~`~~ 3434.8 3448.2 _ 17.167 3387.0 3408.6 17.250 3308.7 3344.1 17.777 3180.9 3238.7 17.417 3085.4 3128.7 17.500 7008.0 3043.1 -- 17.583 2938.9 2970.2 17.667 . 2899.7 17.750 2793.0 .6 17.833 .2 2755.4 17.917 2675.2 2697.4 -- 18.000 2632.6 2651.9 *****************************************************w***e****************** - FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 2 FLOWBY STRUCTURE ROUTING MODEL<<<<< ====_ 3. ========= ======== = ~ MODEL STREAM NUMBER 3 FLOWING PAST FLOWBY STRUCTURE: FLOWRATES IN STREAM # 3 WHICH ARE AN 3100.0 CFS ARE ASSUMED TO BE EXCESS FLOWS. FLOW EXCESS IS ASSUMED TO BE ADDED TO STREAM NUMBER 1 INFLOW OW (STREAM 1) (STREAM 3) | | | | | flow excess | |< * <=flowbv structure | | (flowby'Q = 3100.0 cfs) | STREAM 1 STREAM 3 + FLOW EXCESS FLOWBY FLOWBY BASIN MODELING RESULTS: MODEL INFLOW INFLOW OUTFLOW FLOWBY TIME (STREAM 1) (STREAM 3) (STREAM (STREAM 3) (HRS) (CFS) (CFS) (CFS) (CFS) 15.083 4676.3 3192.4 4768.8 3100.0 15.167 4739.2 3213.2 4852. 3100.0 15.250 4793.7 3231.9 4925.6 3100.0 15.333 4841.7 3249.7 4991.4 3100.0 15.417 4873.4 3256.2 5029.6 3100.0 15.500 4837.2 3224.3 4957.5 00 15.587 4806.7 3128.5 4828.8 3100.0 15.667 5 2957.5 4830.5 15.750 4876.7 2801.2 4876.7 15.833 4921.1 2714.3 4921.1 2714.3 15.917 4974.1 9 4974.1 2671.9 16.000 .5 2675.0 5072.5 16.083 5345.3 2827.1 5345.3 16.167 5974.2 16.250 . 4007.8 16.333 5401.1 4739.5 70*0.5 ^".�^, .,�",.`/ �o�,.` �,"�`�./ �"�v ^'^' ' 16.500 5411.3 4089.3 6400.6 3100.0 - 16.583 5557.4 3892.7 6350.0 3100.0 16.667 5640.5 3958.3 6498.9 3100.O = 16.750 5697.3 4047.7 6645.0 3100.0 16.833 5746.2 3917.2 6563.4 3100.0 ~~ 16.917 5790.0 3669.9 6760.0 7100.0 17.000 5830.0 3507.7 6237.7 3100.0 17.083 5858.1 3448.2 6206.2 3100.0 . 17.167 5843.0 3408.6 6151.6 3100.0 17.250 5824.8 3344.1 6068.9 7100.0 . 17.333 5832.6 3238.7 5971.4 3100.0 17'417 5844.9 3128.7 5873.5 3100.0 . 17.500 5852.7 3043.1 5852.7 3043.1 17.583 5855.3 2970.2 5855.3 2970.2 17.667 5853.0 2899.7 5853.0 2899.7 . 17.750 5846.3 2826.6 5846.3 2826.6 17.833 5835.5 2755.4 5835.5 2755.4 . 17.917 5821.0 2697.4 5821.0 2697.4 18.000 5803.3 2651.9 5803.3 2651.9 . == - ****** ********************************************************************* FLOW PROCESS FROM NODE 4.10 TO NODE 4.00 IS CODE = 3 °- >>>>> MODEL FLOW-THROUGH DETENTION BASIN ROUTING = _____ ° _ ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 �� THROUGH A FLOW-THROUGH DETENTION BASIN J��sfAJ -" ~° USING FIVE-MINUTE UNIT INTERVALS: - ` SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: DEAD STORAGE(AF) = .000 - SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 . ~_ BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE ~~ NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 . 2 2.00 32.00 6.200 3 6.00 254.00 61.400 °� 4 10.00 576.00 182.000 5 14.00 743.00 379.100 ~1 6 18.00 1275.00 604.500 7 22.00 1556.00 883.900 8 26.00 2120.00 1163.100 = 9 30.00 2444.00 1457.900 10 34.00 2726.00 1768.400 ~- 11 38.00 2978.00 2078.900 12 42.00 3210.00 2421.300 =. 13 46.00 3425.00 2767.700 14 48.00 3528.00 2934.500 15 50.00 5624.00 3119.300 ~~ 16 52.00 8429.00 3304. 100 = . INFLOW (STREAM 1) AR | | ~~ V effective depth T- (and volume) =x � | | \ | V °w | detention <--> | outflow | basin | ^ | \ . | | storage | basin outlet V . OUTFLOW (STREAM 1) . _ _ _ BASIN ROUTING MODEL RESULTS(5-MINUTE INTERVALS) : . TIME DEAD-STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) = 15.083 .000 4768.8 32.70 2627.6 1667.405 . 15.167 .000 4852.3 32.90 2641.2 1682.633 15.250 .000 4925.6 33.10 2655.2 1698.269 _�� ^^^ "6o, o '' -7 ^ ' L., 1 r�» 15.417 .000 5029.6 33.51 2684.2 1730.413 ~° 15.500 .000 4957.5 33.71 2698.6 1745.971 15.583 .000 4828.8 33.90 2712.2 1760.548 ~= 15.667 .000 4830.5 34.09 2725.1 1775.048 15.750 .000 4876.7 34.28 2737.4 1789.781 =.. 15.833 .000 4921.1 74.47 2749.4 1804.778 15.917 .000 4974.1 34.66 2761.7 1819.975 16.000 .000 5072.5 34.87 2774.3 1835.803 my 16.083 .000 5345.3 35.10 2787.9 1853.416 16.167 .000 6164.3 35.39 2804.4 1876.556 4ft 16.250 .000 6805.7 35.75 2824.9 1903.972 16.333 .000 7040.5 36.12 2847.7 1932.848 ^� 16.417 .000 6816.9 36.47 2870.5 1960.027 16.500 .000 6400.6 36.78 2891.3 1984.195 16.583 .000 6350.0 37.09 2910.8 2007.882 451 16.667 .000 6498.9 37.40 2930.3 2032.458 16.750 .000 6645.0 37.73 2950.6 2057.902 we 16.833 .000 6563.4 38.04 2970.7 2082.644 16.917 .000 6360.0 38.31 2988.4 2105.864 =n, 17.000 .000 6237.7 38.58 3003.8 2128.136 17.083 .000 6206.2 38.83 3018.8 2150.088 Age 17.167 .000 6151.6 39. 3033.5 2171.563 17.250 .000 6068.9 39.33 3047.8 2192.369 17.333 .000 5971.4 39.56 3061.7 2212.408 =° 17'417 .000 5873.5 39.78 3075.0 2231.682 17.500 .000 5852.7 40.01 3088.0 2250.727 wi 17.583 .000 5855.3 40.23 3100.8 2269.693 17.667 .000 5853.0 40.45 3113.7 2288.559 _~ 17.750 .000 5846.3 40.67 3126.4 2307.291 17.833 .000 5835.5 40.89 3139.0 2325.861 =° 17.917 .000 5821.0 41.10 3151.6 2344.246 18.000 .000 5803.3 41.31 3163.9 2362.423 18.083 .000 5781.2 41.52 3176.2 2380.364 ~- 18.167 .000 5749.7 41.73 3188.2 2398.005 18.250 .000 5716.1 41.93 3200.1 2415.333 "= 18 .000 5685.4 42.13 3211.5 2432.371 18.417 .000 5654.1 42.32 3222.2 2449.120 ~ 18.500 .000 5620.7 42.52 3232.6 2465.567 18.583 .000 5585.3 42.71 3242.9 2481.699 18.667 .000 5548.3 42.89 3252.9 2497.508 ~~ 18.750 .000 5510.0 43.07 3262.7 2512.985 18.833 .000 5470.5 43.25 3272.3 2528.125 ~� 18.917 .000 5430.2 43.42 3281.7 2542.921 19'000 .000 5389.2 43.59 3290.9 2557.373 °= 19.083 .000 5347.8 43.75 3299.9 257 .477 19.167 .000 5305.9 43.92 7308.6 2585.232 19.250 .000 5263.7 44.07 3317.1 2598.638 4sak 19.333 .000 5221.4 44.22 3325.5 2611.696 19.417 .000 5179.0 44.37 3333.5 2624.406 °= 19.500 .000 5136.7 44.52 3341.4 2636.770 19.583 .000 5094.4 44.66 3349.1 2648.790 0.04 19.667 .000 5052.4 44.79 3356.5 2660.469 19.750 .000 5010.5 44.93 3363.7 2671.811 = 19.833 .000 4969.0 45.06 3370.8 2682.817 19.917 .000 4927.8 45.18 3377.6 2693.494 20.000 .000 4887.0 45.30 3384.2 2703.844 - 20.083 .000 4846.7 45.42 3390.6 2713.872 20.167 .000 4806.8 45.53 3396.8 2723.583 =° 20.250 .000 4767.5 45.64 3402.8 2732.982 20. '000 4728'8 45.75 3408.6 2742.074 °� 20.417 .000 4690.7 45.85 3414.2 2750.866 20.500 .000 4653.3 45.95 7419.6 2759.762 ow 20.583 .000 4616.6 46.05 3424.8 2767.570 20.667 .000 4580.5 46.14 3429.7 2775.495 20.750 .000 4544.9 46.23 3434.4 2783.144 me 20.833 .000 4509.4 46.71 3478.9 2790.515 20.917 .000 4468.2 46.40 3443.3 2797.574 °iw 21.000 .000 4422.7 46.48 3447.5 2804.290 21.083 .000 4379.0 46.55 3451.4 2810.679 21.167 .000 4337.1 46.62 3455.2 2816.753 ma 21.167 .000 4296.6 46.69 3458.7 2822.523 21.333 .000 4257.7 46.75 3462.1 2828.002 °0 21.417 .000 4220.1 46.81 3465.3 2833.200 21.500 .000 4183.7 46.87 3468.4 2838.126 400 21.583 .000 4148.6 46.93 3471.3 2842.791 21.667 .000 4114.6 46.98 3474.0 2847.202 °i 21.750 .000 4081.6 47.03 3476.6 2851.369 21 .000 4049.6 47.07 3479.1 2855.298 21.917 .000 4018.5 47.12 3481.4 2858.997 "= 22.000 .000 3988.2 47.16 3483.5 2862.473 22.083 .000 3958.8 47.19 3485.5 2865.732 "e 22.167 .000 3929.9 47.23 3487.4 2868.779 22.250 .000 3901.7 47.26 3489.2 2871.620 °0 22 .000 3873.8 47.29 3490.9 2874.258 22.417 .000 3846.5 47.72 3492.4 2876.696 = 22.500 .000 3819.6 47.35 3493.8 2878.939 22'583 .000 3793.1 47.37 3495.1 2880.992 22.750 .000 3741.4 47.41 3497.4 2884.537 ^� 22.833 .000 3716.1 47.43 7498.7 2886.037 22.917 .000 3691.3 47.45 3499.2 2887.360 =° 23.000 .000 3666.8 47.46 3499.9 2888.509 23.083 .000 3642.6 47.47 3500.6 2889.488 .. 23.167 .000 7618.9 47.48 7501.1 2890.299 23.250 .000 3595.5 47.49 3501.5 2890.946 23.333 .000 3572.4 47.50 3501.9 2891.432 0.0 23.417 .000 3549.7 47.50 3502.1 2891.759 23.500 .000 3527.3 47.50 .3 2891.931 MI 23.583 .000 3505.2 47.50 3502.3 2891.951 23.667 .000 3483.4 47.50 3502.3 2891.821 . 23.750 .000 3461.9 47.50 3502.2 2891.544 23.83 .000 7440.8 7.49 3502.0 2891.127 23.917 .000 3419.9 47.49 3501.7 2890.560 °= 24.000 .000 3399.3 47.48 3501.3 2889.857 24.083 .000 3369.7 47.47 7500.8 2888.954 MI 24.167 .000 . 47.45 .1 2887.582 24.250 .000 3232 47.43 3499.2 2885.748 •sw 24.333 .000 3192.8 47.40 3498.0 2883.646 24.417 .000 3150.5 47.38 3496.6 2881.262 . 24.500 .000 3097.1 47.34 3495.1 8.522 24.583 .000 3038.5 47.31 3493.3 2875.390 24.667 .000 2577.2 47.23 3490.5 2869.100 ^M 24.750 .000 2418.2 47.15 3486.3 2861.743 24.833 .000 2360.3 47.06 3481.8 2854.020 ^444 24.917 .000 2272.5 46.96 3477.0 2845.725 25.000 .000 2166.0 46.86 3471.8 2836.732 - 25.083 .000 1958.4 46.73 3465.9 2826.349 25.167 .000 1771.8 46.60 3459.3 2814.727 ~ 25.250 .000 1586.3 46.45 3451.9 2801.878 25 .000 1456.3 46.29 3443.9 2788.190 25.417 .000 884.7 46.08 3434.5 2770.629 -~ 25.500 .000 :68.5 45.84 3422.7 749. 2� 5�3 .000 318.2 45.59 7409.5 728. � � � '``` 288.0 45.59 3396.1 2706.899 ~° 25 66. .000 �uu.n �o.�* �� .� . 25.750 .000 246.4 45.08 7382.6 2685.301 - 25.833 .000 222 44.83 7769.0 '2663.633 25.917 .000 185.6 44.58 3355.3 2641.803 26.000 .000 167.8 44.32 3341.6 2619.945 -~ 26.083 .000 136.5 44.06 3327.8 2597.967 26.167 .000 132.0 43.81 3314.1 2576.052 = 26 .000 81.4 43.55 3300.2 2553.884 26.333 .000 81.4 43.29 .3 2531.81 ~. 26.417 .000 41.7 43.03 3272.4 2509.561 26.500 .000 41.7 42.77 3258.5 2487.407 26.583 .000 25.2 42.51 3244.5 2465.235 - 26.667 .000 25.2 42.26 3230.7 2443.158 26 . 750 .000 17.5 42.00 3216.8 2421.125 ~.1 26.833 .000 17.5 41.74 3202.4 2399. 90 26.917 .000 13.0 41.49 3187.6 2377.326 °~ 27.000 .000 13.0 41.23 3172.8 2355.564 27.083 .000 10.7 40.98 3158.1 2333.888 0 g° 27.167 .000 10.7 40.73 3143.5 271^.717 27.250 .000 8.8 40.48 3128.9 2290.824 27 .000 8.8 40.23 3114.3 2269.436 -~ 27.417 .000 7.5 39.98 3099.9 2248.138 27'500 .000 7.5 39.73 3085.5 2226.940 = 27.583 .000 6.4 39.48 3071.2 2205.833 27.667 .000 6.4 39.24 3056.9 2184.823 mINI 27.750 .000 5 . 3 38.99 3042.7 2163'905 27.833 .000 5 38.75 3028.5 2143.083 mil 27.917 .000 4.5 38.51 3014.5 2122.354 28.000 .000 4.5 38.27 3000.5 2101.720 28.083 .000 3.7 38.03 2986.5 2081.177 4� 2E3.167 .000 3.7 37.77 2971.4 2060.738 .000 3 2040.408 2 37 50 2955 0 2040 28.250 . ^ ~ . ^ 1•1 28 .}[V 3 37.24 2938.6 2020.192 28.417 .000 2.6 36.98 2922.2 2000.085 • 28.500 .000 2.6 36.73 2905.9 1980.090 28.583 .000 2.1 36.47 2889.7 1960.203 mr 28.667 .000 2.1 36.22 2873.6 1940.426 28.750 .000 1.7 35.96 2857.6 1920.757 28.833 .000 1.7 35.71 2841.7 1901.198 . -8.917 .000 1.3 35.46 2825.9 18 .745 29 .000 1.3 35.21 2810.1 1862.401 to 29 .000 1.0 34.96 2794.5 1843.161 29 .000 1.0 34.72 2778.9 1824.029 29 .000 .6 34.47 2763.4 � 1805.002 ~= 29 .000 . 34.23 2748.0 1786.080 29.41 .000 .4 33.99 2732.7 1767.263 *010 29500 .000 .4 .74 2716.5 1748.557 29 • .000 .3 33.50 2699.5 1729.968 on 29^667 • .000 .3 33.27 2 1711.494 29^750 • .000 .2 33.03 2666.0 1693.135 mo 29833 .000 .2 32.80 2649.4 1674.890 29 .000 .0 32.56 2632.8 1656.758 -- * * ** ** ***** **** * ********* * * **** **** ******* FLOW PROCESS FROM NODE 5.20 TO NODE 4.00 I S CODE = 1 UNIT- HYDROGRAF'H ANALYSIS (UNIT-HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .494 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 16.884 WATERCOURSE LENGTH = 26600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTRO I D = 14000. 000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 370.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 1870. 000 ACRES DASEFLOW = .000 CFS /SQUARE -MILE VALLEY (DEVELOPED) S- GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .320 LOW LOSS FRACTION = .282 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED F'EAF: :: 5- MINUTES RAINFALL(INCH)_ .57 S P E C I F I E D FEAT::: 70- MINUTES RAINFALL (INCH) = 1.18 SPECIFIED F'EAF: 1 -HOUR RAINFALL(INCH) = 1.55 SPECIFIED F'EAF::: -HOUR RAINFALL (INCH) = 2.84 S P E C I F I E D F'EAF:: 6 -HOUR RAINFALL(INCH) - 4.25 SPEC I F ]: ED F :'EAF 24 -HOUR RA I NFAL.L (INCH) = 9.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .585 70- -MINUTE FACTOR = .606 i -HOUR FACTOR = .618 -HOUR FACTOR =_ .912 6 -HOUR FACTOR = .958 24 -HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 - ___ - •.--- ________ -- UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) .965 218.188 7.460 564.292 9.267 1713. 2 76 18.654 2122.795 5 29.627 2481.700 4 7.02 7 3070.550 3 7 6 - 57.795 7=9.754 6 70.260 2818.897 79.708 2136. 7.32 86.377 1508.242 242 11 90.722 982.5.74 "" 12 93.971 725.855 96.057 479.846 :]. 97.442 314.175 1 `, 98.184 167.774 -- ]. 6 98. 501 71.605 17 98.817 71.605 1 99.174 71.605 19 99.450 71.605 99.767 71.605 40 21 100.000 52.680 TOTAL SOIL-LOSS VOLUME (ACRE -FEET) = 409. 3792 TOTAL STORM RUNOFF VOLUME(ACRE - FEET) = 1082.1040 w 40 ' ' . - ` -^' - ~.- ` -- ' - _� '� -- -'' ~~ = 24-HOUR STORM RUNOFF HYDROGRAPH . = --------- - - - - =w HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) = TIME(HRS) VOLUME(AF) Q(CFS) 0. 500.0 1000.0 1500.0 2000.0 m 15.083 569.7357 1075.51 . . . . . 15.167 577.2142 1085.89 . . . . . AN 15.250 584.7537 1094.72 . . . . . 15.333 592.3483 1102.74 . . .VQ . . m 15.417 599.960? 1105.7A . . . Q . . 15.500 607.5323 1099.36 . . .QV . . . 15.567 614. 9326 1074.57 . . ,QV . . 15.667 622.0287 1030.36 . . Q V . . .= 15.750 628.788 981.52 . . Q. V . . 15.833 635.1554 924.47 . . Q . V . . 15.917 641.1612 872.05 . . Q . V . . ~~ 16. 000 647.0586 856.30 . . Q . V . . 16.083 653.5040 935.87 . . Q . V . . ~° 16.167 661.0050 1089.15 . . .Q V . . 16.250 670.3463 1356.35 . . . V Q . . ~ 16.333 681.5105 1621.05 . . . V . Q . 16.417 693.6589 1763.95 . . . V . Q . 16.500 706.8766 1919.21 . . . V . Q . - 16.583 720.4933 1977.14 . . . V . Q. 16.667 733.0029 1816.38 . . . V . Q . -- 16.750 744.0789 1608.25 . . . V . Q . 16.833 753.9495 1433.21 . . . VQ . . . 16.917 762.9754 1310.55 . . . Q V . • 17.000 771.6215 1255.41 . . . Q V . . ~� 17. 083 779. 8657 1197.07 . . . Q V . . 17,167 787.7762 1148.61 . . . Q V. . 17.250 795.2885 1090.78 . . .Q V. . = 17.333 802.4274 1036.56 . . Q V. . 17.417 809.3083 999.11 . . Q. V. . ~~ 17.500 815.8652 952.06 . . Q. V ~ 17.583 822.0420 896.87 . . Q . V . ~~ 17.667 827.8556 844.13 . . Q . V . 17.750 833.3274 794.50 . . Q . V , 17 838.4689 746.54 . . Q . V . -^ 17.917 843.4254 719.68 . . Q . .V . 18.000 848.2304 697.70 . . Q . .V . , - ~� f** ** ** ********************************************************************* FLOW PROCESS FROM NODE 4.00 TO NODE 5.00 IS CODE = 5 _ __ " _____ � MODEL CHANNEL ROUTING BY THE CONVEX METHOD <<<<< _======________ _ _ = THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5-MINUTE . INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August,1972, m U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: . BASEWIDTH(FT) = 25.00 CHANNEL Z = 1.50 UPSTREAM ELEVATION = 1380.00 m DOWNSTREAM ELEVATION = 1330.00 CHANNEL LENGTH(FT) = 2400.00 MANNINGS FACTOR = .014 = CHANNEL ROUTING COEFFICIENT ESTIMATED: m MAXIMUM INFLOW(CFS) = 4887.89 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3404.48 . CHANNEL NORMAL VELOCITY FOR Q = 3404.48 CFS = 31.02 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .948 *s MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = 1.000 . *180 CONVEX METHOD CHANNEL ROUTING RESULTS: m MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) ^as (HRS) (CFS) (CFS) 15.083 3703.1 3696.9 .- ..- �-.� . .,..-1,n4 en 15.250 3749.9 3744.3 ~~ 15.333 3772.3 3766.8 15.417 3789.5 3785.3 =~ 15.500 3797.9 3795.9 15.583 3786.8 3789.5 15.667 3755 3763.1 ~~ 15.750 3718.9 3727.8 15.833 3673.9 3684.9 . 15.917 3633.7 3643.5 16.000 7670.6 7671.4 . 16.083 3723.7 3700.9 16.167 3893.5 3852.0 =w 16.250 4181.3 4110.9 16.333 4468.8 4398.5 16.417 4634.4 4593.9 =° 16.500 4810.5 4767.5 16.583 4887.9 4869.0 mo 16.667 4746.7 4781.2 16.750 4558.9 4604.8 mm 16.833 4404.0 4441.9 16.917 4299.0 4324.6 ^m 17.000 4259.2 4268.9 17.083 4215.9 4226.5 17.167 4182.1 4190.4 mm 17.250 4138.6 4149.3 17.333 4098.2 4108.1 411 17.417 4074.1 4080.0 17.500 4040.0 4048.4 ° 17.583 3997.7 4008.1 17.667 3957.8 7967.6 17.750 3920.9 3929.9 mm 17.833 3885.6 3894.2 17.917 3871.2 3874.8 - 18.000 3861.6 7864.0 18.083 3855.3 3856.9 -. 18.167 3849.9 3851.3 18.250 3845.9 3846.9 ~ 18.333 3842.1 3843.1 18.417 3837.9 3839.0 18.500 3833.2 3834.3 - 18.583 3828.3 3829.5 18.667 3824.4 3825.3 ` 18.750 3821.9 3822.5 18.833 3821.3 3821.4 °~ 18.917 3821.6 3821.5 19.000 3822.4 3822.2 19.083 3823.7 3823.3 -~ 19.167 3825.3 3824.9 19.250 3827.2 3826.8 . ~- 19.333 3829.4 3828.8 19.417 3831.5 3831.0 19.500 3833.7 3833.2 19.583 3835.9 3835.3 ~ 19.667 3838.1 3837.5 19.750 3840.2 3839.7 19.833 3842.5 3841.9 - 19.917 3844.7 3844.1 20.000 3846.8 3846.3 - °em +*************************************************************************** FLOW PROCESS FROM NODE 4.40 TO NODE 5.00 IS CODE = 1 mom >>>> -UNIT-HYDROGRAPH ANALYSIS imm (UNIT-HYDROGRAPH ADDED TO STREAM #1) AV WATERCOURSE "LAG" TIME = .112 HOURS .mm UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 74.719 me WATERCOURSE LENGTH = 6200.000 FEET ~� LENGTH FROM CONCENTRATION POINT TO CENTROID = 1900.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 100.000 FEET we BASIN FACTOR = .015 WATERSHED AREA = 117.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE `� VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .155 MI LOW LOSS FRACTION = . 127 *HYDROGRAPH MODEL #1 SPECIFIED* `m SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .55 =mi SPECIFIED PEAK 30-MINUTES RAINFALL ( INCH) = 1.13 'SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.52 � �/a `�� " /."",.°`^... L "5,. ./�` SPECIFIED PEAK 6—HOUR RAINFALL(INCH) = 4.15 = SPECIFIED PEAK 24—HOUR RAINFALL(INCH)= 9.55 = *USER SPECIFIED PRECIPITATION DEPTH—AREA REDUCTION FACTORS: 5—MINUTE FACTOR = .585 30—MINUTE FACTOR = .606 1—HOUR FACTOR = .61Q 3—HOUR FACTOR = .912 6—HOUR FACTOR = .958 24—HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: m� MODEL TIME(HOURS) FOR BEGINNING SF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 17.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH = NUMBER MEAN VALUES ORDINATES(CFS) 1 9.830 139.087 ~~ 2 58.053 682.339 3 91' 477.4 ~ 4 98.450 94.158 5 99.484 14.629 6 99.794 4.380 7 99.948 2.190 ~~ 8 100.000 .730 TOTAL SOIL—LOSS VOLUME(ACRE—FEET) = 11.2715 TOTAL STORM RUNOFF VOLUME (ACRE—FEET) = 79.6583 = = num f _ .. . . . . .- - ', , . ., ... - ,. . ......... . ......:. 1' ";.,... f c:.," - ..r.,- i:.4R'rs i 4..w':..+ :^...:.r w .w�J•'a:..::rrli ;.% :«4....7.i .,..:.,... 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = __________ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 75.0 150.0 225.0 300.0 15.087 44.8849 84.13 . . . V 15.167 45.4685 84.75 . .Q . V . 15.250 46.0565 85.38 . .Q V 15.' 46.6497 86.13 . .Q . V . 15.417 47.2189 82.65 . .Q . V . 15.500 47.6520 62.90 . Q . V . 15.583 47.9997 50.48 . Q . . V . 15.667 48.7.552 51.63 . Q . . V . 15.750 48.7387 55. 67 Q . . V . . 15.833 49.1565 60.68 . Q . V . 15.917 49.6344 69.39 . Q. . V . 16.000 50.2541 89.97 . .Q V . 16.083 51.2718 147.78 Q. V 14.167 53.1476 272.37 . . . V Q . 16.'50 54.5471 203.20 . . . 0 16.7" 55.1877 93.02 . . Q . V . 14.417 55.6291 64.09 . Q V . 16.500 56.1401 74.20 . Q. . V . . 16.583 56.7 84.37 . .Q . V . . 16.647 57.3063 84.97 . .Q . V . . 16.750 57.8841 83.89 . .Q . V. . 7 58.4553 82.94 . .Q . V. . 16.17 59.0206 82.08 . 0 V. . 17.000 59.5805 81.30 . Q . V. . f *******************•*•*****'*•***•******•*•*•*••******** ** * *** * * *•* *** **** *** * * * * **• * ** FLOW PROCESS FROM NODE 5.00 TO NODE 7.00 IS CODE = 5 • . ..:.:.MODEL CHANNEL ROUTING BY THE CONVEX METHOD << <. <. THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 24.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1330.00 DOWNSTREAM ELEVATION = 1280.00 CHANNEL LENGTH(FT) = 3200.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4953.33 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3440.91 CHANNEL NORMAL VELOCITY FOR Q = 3440.91 CFS = 34.07 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .946 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .999 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 3781.0 3772.0 15.167 3806.0 3797.6 15. 3829.7 3821.7 15.333 385 3845.1 15.417 3868.0 3862.9 15.50o r 3858.8 3861.9 15.583 3840.0 3846.3 15.667 3814.8 3823.3 15.750 3783.5 3794.0 15.833 3745.6 3758.4 15.917 3712.9 3723.9 16.000 3721.3 ' 3718.5 16.083 3848.7 3805.8 _ 16.250 4314.1 42 ~~ 16.333 4491.5 4431.7 16.417 4658.0 4601.9 = 16.500 4841.7 4779.8 16'583 4953.3 4915.7 ,~ 16.667 4066.2 . 16.750 4688.7 4748.5 16.833 4524.8 4580.0 = 16.917 4406.7 4446.5 17.000 4350.2 4369. ~m 17.023 4304.7 4320.0 17.167 4256.3 4272.6 rara 17.250 4205.9 4222.9 17.333 4161.8 4176.7 17.417 4132.1 4142.1 "� 17.500 4099.2 4110.3 17.583 4057.7 4071.7 m 17.667 4016.2 4070.2 17.750 3977.6 3990.6 ~� 17.833 3941.0 3953.3 17.917 3920.7 3927.5 m 18.000 3909.2 3913.0 18.083 3901.2 3903.9 18.167 3894.1 3896.5 ~° 18.250 3888.5 3890.4 18. 3884.0 :885.5 ~.. 18.417 3879.3 3880.8 18.500 3874.1 3875.8 ~_ 18.583 3868.6 3870.5 18.667 3864.0 7865.6 - 18.750 3860.7 3861.8 18.833 3859.1 3859.7 18.917 3858.7 3858.9 ~ 19.000 3859.0 3858.9 19.083 3859.8 3859.5 = 19.167 3860.9 3860.5 19.250 3862.4 3861.9 ~ 19.333 3864.1 3863.5 19.417 3865.9 3865.3 ~ 19.500 3867.7 3867.1 19.583 3869.6 3869.0 19.667 3871.5 3870.8 ~~ 19.750 3873.3 3872.7 19.833 3875.3 3874.6 ~~ 19.917 3877.2 3876.5 20.000 3879.0 3878.4 ~ - +*************************************************************************** ~~ FLOW PROCESS FROM NODE 7.00 TO NODE 7.00 IS CODE = 1 ~ >>>>>UNIT-HYDROGRAPH ANALYSIS <<< ========_______ ~~ <UNIT-HYDROGRAPH ADDED TO STREAM #1) °- WATERCOURSE "LAG" TIME = . 483 HOURS - UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 17.264 °� WATERCOURSE - = 26900.000 FEET =" LENGTH FROM CONCENTRATION POINT TO CENTROID = 11300.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 250.000 FEET BASIN FACTOR = .017 `° WATERSHED AREA = 2702.000 BASEFLOW = .000 CFS/SQUARE-MILE m VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .358 `ra LOW LOSS FRACTION = .720 *HYDROGRAPH MODEL #1 SPECIFIED* mm SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .55 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.17 m SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.52 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.75 m SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.00 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 9.30 ~m *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: m 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .618 "ra 3-HOUR FACTOR = .912 6-HOUR FACTOR = .958 rao 24-HOUR FACTOR = .977 "�"=. o, .1..0 u.^ MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 = UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) °at 1 .987 274.643 m� 2 3.590 724.682 3 9.722 1707.199 4 19.502 2722.854 � 5 30.838 3155.835 6 44.916 3919.212 7 59.769 4175.256 8 72.103 34 3.701 9 81.111 2507.828 10 87.479 1772.823 11 91.557 1135.243 12 94.580 841.753 13 96.486 530.631 14 97.771 357.511 15 98.287 143.825 =r 16 98.611 90.143 17 98.935 90.126 18 99.259 90.141 19 99.582 90.126 = 20 99.906 90.126 21 100.000 26.155 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 542.3937 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1200.0030 = = ~~ ~~ �ril _, �% mm AO = = =_ = =--= 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = _ HYDROGRAPH IN FIVE- MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 600.0 1200.0 1800.0 2400.0 15.083 627.6528 1203.81 Q 15.167 636.0309 1216.50 QV 15.250 644.4797 1226.77 QV 15.77,7 652.9987 1236:96 QV • . 15.417 661.5440 1240.79 . . Q V 15.500 r0 670. 04 39 1234.19 . . Q V . - 15.58: 678. 3.180 1204.30 Q V 15.667 686.2701 1151.74 . Q. V • 15.750 693.8056 1094.15 . . Q . V . 15.833 700.8759 1026.60 . . Q . V . 15.917 707.5657 971.37 . • Q . V 16.000 0 714. 2� f31 963.75 Q V . 16.083 721.5915 1072.80 . . Q V . 16.167 730.3684 1274.41 . . .Q V . . 16.250 741.4888 1614.68 . . V Q . - 16. 754.8290 1937.00 . . . V . Q . 16.417 769..:›234 2104.58 . V • Q . 16. 5s r0 7$5. 1376 2296.22 . . V Q 16.583 801.0774 2314.47 . • V Q . 16.667 815.5261 2097.95 . . V . Q - 16.750 828.0920 1824.56 . V Q 16.677 839.2814 1624.70 . . Q • 16.917 849.4642 1478.54 . . Q V . 17.000 859.2040 1414.23 . Q V - 17.083 868.4299 1339.59 . . Q V.. . 17.167 877.2777 1284.71 . .Q V. 17.250 885.5807 1205.61 . Q V. 1 893.5136 1151.85 ' . Q. V. 17.417 901. 1033 1102.03 . Q . V 17.500 ri y 9a8. 2616 109. 38 . Q V 17.50' 914.9247 967.49 . Q V 17.667 921.1307 901.10 Q V 17.750 926.8680 833.05 . . Q V . 1 932. 785.34 V Q . 17.917 937.4708 754.19 Q .V 18.000 942. 4886 728.59 . Q . V FLOW FROCESS FROM NODE 7.00 TO NODE 8.00 IS CODE = 5 MODEL CHANNEL ROUTING BY THE CONVEX METHOD < «« = = THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineerin Handbook :, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1280.00 DOWNSTREAM ELEVATION = 1190.00 CHANNEL LENGTH(FT) = 6000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 7230.15 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 4560.22 CHANNEL NORMAL VELOCITY FOR Q = 4560.22 CFS = 32.18 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .950 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .987 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 4975.8 4950.4 ^�.^"' 15.250 5048.5 5027.7 - 15.333 5082.1 5061.8 15.417 5103.7 5090.6 - 15.500 5096.0 5100.4 15.583 5050.6 5077.7 _. 15.667 4975.0 5020.4 15.750 4888.2 ^ 4940.5 . 15.833 4785.0 4847.1 15.917 4695.3 4749.5 16.000 4682.3 4690.7 . 16.083 4878.6 4761.8 16.167 5306.0 5050.0 = 16.250 5864.8 5528.8 16.333 6368.7 6064.4 . 16.417 6706.5 6501.5 16.500 7076.0 6853.4 16.583 7230.2 7135.6 -~ 16. 6993.4 7133.2 16.750 6573.0 6825.1 - 16.833 6204.7 6427.2 16.917 5925.1 6094.4 ~ 17.000 5783 5869.9 17.083 5659.6 5734.5 ~ 17.167 5557.3 5619.2 17.250 5428.5 5506.0 17.333 5328.5 5389.0 ~- 17.417 5244.2 5295.2 17.500 5149.7 5206.6 ~_ 17.583 5039.2 5105.7 17.667 4931.3 4996.4 ~ 17.750 4823.6 4888.6 17.833 4738.7 4790.1 17.917 4681.7 4716.3 -~ 18.000 4641.6 4665.9 18.083 4610.6 4629.4 ~~ 18.167 4584.3 4600.2 18.250 4563.4 4576.0 _ 18.333 4545.7 4556.4 18.417 4529.3 4539.2 18.500 4513.5 4523.0 18.583 4498.1 4507.4 18.667 4483.5 4492.3 18.750 4471.1 4478.6 18.833 4460.8 4467.0 ~ 18.917 4452.0 4457.3 19.000 4444.4 4449.0 ~~ 19.083 4437.6 4441.7 19.167 4431.6 4435.2 19.250 4426.1 4429.4 ~~ 19.333 4421.2 4424.1 19.417 4416.6 4419.4 ~ 19.500 4412.4 4415.0 19.583 4408.5 4410.8 ~ 19.667 4404.7 4407.0 19.750 4401.2 4403.4 _~ 19.833 4397.9 4399.9 19.917 4394.8 4396.7 20.000 4391.9 4393.7 ~ . +************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 8.00 IS CODE = 1 �� >>>>> UNIT-HYDROGRAPH ANALYSIS << ======----------- . (U ADDED TO STREAM #1) Ass WATERCOURSE "LAG" TIME = .276 HOURS . UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES . UNIT INTERVAL PERCENTAGE OF LAG-TIME = 30.209 WATERCOURSE LENGTH = 15800.000 FEET MS LENGTH FROM CONCENTRATION POINT TO CENTROID = 6200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 150.000 FEET . BASIN FACTOR = .015 WATERSHED AREA = 1496.000 ACRES . BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED . MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .333 LOW LOSS FRACTION = .310 *HYDROGRAPH MODEL #1 SPECIFIED* ~~ SPECIFIED PEW PEAK 5-MINUTES I L(INCH)= .52 - SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.08 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.45 ,"r "�".. � .==, =^r^.cm / 'm/'u` - ' I."' SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 3.88 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 8.85 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .585 30-MINUTE FACTOR = .606 1-HOUR FACTOR = .618 3-HOUR FACTOR = .912 6-HOUR FACTOR = .958 24-HOUR FACTOR = .977 RUNOFF HYDROGRAPH LISTING LIMITS: = MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.889 341.789 ~� 2 11.106 1667.571 29.451 3318.951 41. 4 54.292 4494.285 75.560 3847.986 ~� 6 87.872 2227.521 7 94.162 1137.999 .. 8 97.294 566.658 98.408 201.511 10 98.975 102.470 11 99.452 66.749 12 99.781 59.495 = 13 99.945 29.747 14 100.000 9.916 ------ ~= TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 325.2604 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 752.2752 ~ = w� � _, . .. , .. . , ...... ., .. ._. _ ... .._ _ o.. _ mss::. -.+_ -.., > .L,, ....e.... +_.',iii;i__, .,,,if '_Y -.y,a._._ i_ ... !),__4_,:2).., ______ _ ______ 4 - H O U R S T O R M - R U N O F F H Y D R O G R A P H ____ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 500.0 1000.0 1500.0 2000.0 15.083 407.2924 781.28 . . Q .V . - 15.167 412.7125 786.99 . . Q .V . 15.250 418.1740 793.00 . . Q . V . 15. 37 42 ..6808 799.60 . . Q . V . 15.417 429.1844 799.11 . Q . V . 15.500 434.4869 769.93 . Q V . 15.583 439.3511 706.28 . . Q . V . 15.667 443.6348 622.00 . . Q . V . 15.750 447.4957 560.60 . .Q . V 15.833 451.2551 545.86 Q V . 15.917 455.1770 569.46 . .Q . V . 16.000 459.5662 637.31 . Q . V . 16.08:' 465.3056 833.35 . . Q . V . 16.167 473.9875 1260.61 . . . Q . 16.250 485. 7642 1709.98 . . V . Q . -- 16.333 499.1593 1944.97 . . . V . Q . 16.417 510.8610 1699.09 . . . V . Q . 16.500 519.4451 1246.41 . Q V . . 16.583 526.0869 964.40 . . Q. V . 16.667 5.31.9647 853.45 . . Q . V . . 16.750 537. 5135 805.70 . . Q . V . . 16.833 543.0324 801.34 . . Q . V . 16.917 548.5529 801.58 . . Q . V . 17.000 554.0075 792.01 . . Q . V. . - 17.083 559. 3284 772.59 Q V. . 17.167 564.4182 739.04 . . Q . V . 17.250 569. 1580 688.22 .. . Q . V . 17.333 573.4584 624.42 . . Q . V . 17.417 577.3625 566.88 . .0 V . 17.500 580. 9986 527.96 Q V . 17.583 584.4571 502.18 . 0 . .V . 17.667 587.7896 483.88 Q. . .V . 17.750 591.0314 470.72 . 0. .V . _ 17.877 594. 1964 459.54 . 0. . . V . 17.917 597.2905 449.26 . 0 . .V . 18.000 600.3 203 439.94 . Q . . • --- ******** * * ** * * * * * * * * * * * * * * * * * * * * * * * * * *- * * * * ** • * * * * ** * * * *** • * *** • * * * * * * * * ** •* FLOW PROCESS FROM NODE 8.00 TO NODE 8.00 IS CODE = 11 ;VIEW STREAM NUMBER 1 HYDROGRAPH< ; < ; < - _____ = = == = = __________ STREAM HYDROGRAPH IN FIVE- MINUTE INTERVALS(CFS) - TIME(HRS) VOLUME(AF) Q(CFS) 0. 2075.0 4150.0 6225.0 8300.0 15.083 3510.6160 5731.66 . . V . 0 . 15.167 3550.4100 5777.96 . . V . 0 . 15.250 3590.4970 5820.69 . V . 0 . . 15.7:33 '670.8650 5861.41 . . V . 0 . . 15.417 3671.4270 5889.68 . . V . 0 . . 15.500 3711.8570 5870.36 . . V . 0 . . 15.583 3751.6920 5784.00 . V . Q . 15.667 7790.5510 5642.37 . . V . Q0 • 15.750 3828 . 437 r 5501.07 • . . . 15.833 7865.5790 5392.96 . . V . 0 . . 15.917 :902.2110 5318.93 . . V . 0 • • 16.000 3938. 9050 5328.02 V Q - 16.087 '977. 439cr 5595.15 . . V . Q • 16.167 4020.9010 6.310.63 . . V . Q . 16.2510 4070.7550 7238.78 V . Q • 16.333 4125.9160 8009.38 . V . . 0 . - 16.417 4182.3940 R' 0{. ci . Q. 16.500 • 42•'8. 1770 Ot r�9. 0 V . . Q. 16.583 4293.9620 ? 099.96 . . V . Q. 16.667 4348.9660 /9b6.66 . V . . Q . 16.750 4401.5210 7630.85 . . V . . 0 16.833 4451.3040 7228.57 . V . . Q . 16.917 4498.7970 6895.98 . . V Q . 17.000 4544. 6790 6661.95 . V . . Q . 17.083 4589. 4930 6507.09 . . V Q . 1 147 .. nL-" ? . _ ^o - rr, .....- ._, 4?GA _ ^3 ,._.. - ..,.- ■. . ' � r , . A"i -'.��"�,��"°�'�� -^.z~-.�."_,o c"� . 17.250 4675.9420 6194.20 . . V . Q. . 17.333 17.7.33 4717.3570 6013.46 . . V ^ Q ^ . 17.417 4757.7290 . . . V . Q . . 17.500 4797.2240 5734.5 . . V . Q . . 17.583 4835.8450 5607.87 . . V . Q . . 17.667 4873.5880 . . . V . Q . . 17.750 4910.4980 5359.29 . . V . Q . . 17.873 4946. 6520 5249.63 . . V . Q . • 17.917 4982.2270 5165.54 . . V . . . 18.000 5017.3920 5105.88 . . V . . . 18.083 5052.2450 5060.66 . . V. . . 18.167 5086. 8340 5022.44 . . V. Q . . 18.250 5121.1900 4988.45 . . V. Q . . 18.333 5155.3790 4958.46 . . V. Q . . _ 18.417 5189.3050 4931.77 . . V. Q . 18.500 5223.1040 4907.75 . . V. Q . . 18.583 5256.7510 4885.49 . . V. Q . 18.667 0. 4864.54 . . �/ . . 18.750 5323.6250 4845.47 . . V 0 . . - 18.833 5356.8810 4828.87 . . V 0 . . 18.917 5390.0390 4814.43 . . V Q . . 19.000 . . ^ . � 19.087 5456.0970 4790.04 .` - . ~ 19.167 - . . 9.167 5489.0130 9 43 . . V Q . . ~- 19.250 5521.8610 4769.66 . . V Q . . 19.333 5554.6480 4760. . . V Q . . 19.417 5587.3760 4752.19 . . . . 19.500 5620.0510 4744.29 . . . . - 19.587 5652.6770 4736.81 . . V . . 19.667 5685.2470 4729.71 . . . . 19.750 5717.7740 4722.93 . . V . . 19.833 5750.2560 4716.47 . . V . . 19.917 5782.6970 4710.32 . . V . . - 20.000 5815.0970 . . . . . 20.083 5847.4580 4698.78 . . . 0 . . 20.167 5879.7810 4693.33 . . . 0 . 20.250 5912.0680 4688.05 . . . Q . . __ 20.333 5944.3190 4682.94 . . . Q . . 20.417 5976.5370 4677.98 . . . 0 . . 20.500 6008.7210 4673.15 . . . 0 . . 20.583 6040.8730 4668.43 ~. . . Q . . 20.667 6072.9920 4663.77 . . . Q . . - 20.750 6105.0800 4659.15 . . . QV . . 20.833 6137.1360 4654.56 . . . QV . . 20.917 6169.1610 4650.03 . . . QV . . 21.000 6201.1550 4645.56 . . . QV . . _ 21.083 6233.1190 4641.17 . . . QV . . 21.167 6265.0530 4636.72 . . . QV . . 21'25( 6296.9560 4632.33 . . . QV . . 21.333 6326.8290 4627. . . . QV . , 21.417 6360.6720 4623.58 . . . 0 V . . - 21.500 6392.4850 4619.23 . . . Q V . . 21.583 6424.2680 4614.88 . . . Q V . . 21.667 6456. 0210 4610.54 . . . Q V . . 21.750 6487.7440 4606.21 . . . Q V . . 21.833 6519.4370 4601.89 . . . Q V . . -- 21.917 6551.1010 4597.57 . . . Q V . . 22.000 6582.7340 . . . . Q V . ^ 22.083 6614.3390 . . . . Q V . . 22.167 6645.9140 4584.64 . . . . . - 22.250 6677.4580 4580.3 . . . . . 22.777 6708.9740 4576.02 . . . Q V . . 22.417 6740.4590 4571.71 . . . Q V . . 22.500 6771.9160 4567.40 . . . Q V . . 22.583 6803.3420 4563.08 . . .0 V . . - 22.667 6834.7380 4558.75 . . .Q V . . 22.750 6866.1050 4554.42 . . .0 . . 22.833 6897.4410 4550.07 . . .Q V . . 22.917 6928.7480 4545.72 . . .0 V . . ' 6960. 0240 4541.35 . . .Q V . . 23.083 6991.2710 4536.97. . . .0 V . . 23.166 7022.4870 4532.58 . . .Q V . . 23.250 7053.6730 4528.17 . . .Q V . . 23.333 7084.8280 4523.75 . . .Q V . . 23.416 7115.9530 4519.31 . . .0 V . 23.500 7147.0470 4514.86 . . .Q V . . 23.583 7178.1100 4510.39 . . .0 V ~ . ' 7209.1430 4505.91 . . .Q V . . 23.750 7240.1440 4501.40 . . .Q V . . 23.833 7271.1140 4496.88 . . .0 V . . 23.916 7302.0530 4492.34 . . .Q V . . 24.000 7332.9610 4487.78 . . .0 V . . = END OF FLOOD ROUTING ANALYSIS ****** * * * * * * * * * * * * * ****** *** ** * **** GIs*********** ***** ** ** * * ** ** ** **** *sk****** F L O O D R O U T I N G A N A L Y S I S USING ORANGE /SAN BERNARDINO COUNTY UNIT- HYDROGRAPH (1986 MANUAL) (c) Copyright 1983 -88 Advanced Engineering Software (aes) wr Ver. 3.OA Release Date: 7/21/88 Serial # 2124 Analysis prepared by: 04 Fuscoe, Williams, Lindgren ' Short * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * ETIWANDA DRAINAGE AREA TO HIGHLAND, WITH DIVERSION TO SAN SEVAINE BASIN * * NO 5; 3100cfs MAXIMUM FLOWBY. DEPTH /AREA FACTOR FOR A =4831 ACRES. * „ * * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: C: \ESS \DIV \EDIV4.DAT TIME /DATE OF STUDY: 16: 3 2/ 4/1989 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.00 TO NODE 2.00 IS CODE = 1 > > > > >UNIT- HYDROGRAPH ANALYSIS << <<< (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .636 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 13.099 WATERCOURSE LENGTH = 19400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11600.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3880.000 FEET BASIN FACTOR = .045 WATERSHED AREA = 1960.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOF'ED): "S" -CURVE FERCENTAGE(DECIMAL NOTATION) = .000 AM FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .350 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .308 LOW LOSS FRACTION = .132 . * HYDROGRAPH MODEL #1 SPECIFIED* 40 SPECIFIED PEAK 5- MINUTES RAINFALL (INCH) = .76 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.55 `" SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 2.08 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 4.13 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 6.94 �.. SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 16.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .810 30- MINUTE FACTOR = .810 1 -HOUR FACTOR = .810 3 -HOUR FACTOR = .973__. . . -- ..._.._.<. .__ - ✓..a,. ..s.,: a...0 .. w` a- .r....:_a.+ n c: =' ^::..fit .' = :nia7 r+�. �:.a.✓ 1i `;§'!;,y ti✓.._.__s� 6 -HOUR FACTOR = .985 24 -HOUR FACTOR = .991 RUNOFF HYDROGRAPH LISTING LIMITS: - MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION _ T INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) • 1 1.044 247.359 2 3.531 589.553 3 7.053 834.867 4 12.182 1215.882 5 18.808 1570.458 6 ' 26.263 1767.202 -- 7 34.726 2005.931 8 47.713 3078.425 9 55.839 . 1926.252 10 60.977 1217.831 11 65.022 958.946 12 68.433 808.451 13 71.241 665.700 -- 14 73.871 623.334 15 76.097 527.631 16 78.'176 . 492.897 17 79.967 424.545 18 81.650 398.755 19 83.152 356.225 20 84.535 327.713 __ 21 85.757 289.598 � 86.890 268.642 23 87.937 248.179 _ _ 24 88.872 221.534 25 89.725 202.335 26 90.466 175.556 27 91.146 161.115 28 91.752 143.669 29 92.324 135.571 30 92.821 117.803 -- 31 93.278 108.390 32 93.599 76.083 . 33 93.893 69.824 34 94.188 69.884 35 94.478 68.575 36 94.748 64.064 37 -95.016 63.629 38 95.285 63.641 39 95.529 57.912 40 95.750 52.324 41 95.970 52.174 42 96.190 52.174 43 96.405 51.085 44 96.617 50.022 45 96.828 50.022 46 97.038 49.926 47 97.237 47.076 48 97.402 39.160 49 97.521 28.279 50 97.640 28.055 • 51 97.752 26.523 52 97.862 26.101 .. 53 97.972 26.053 ~ 54 98.079 25.407 55 98.172 22.168 . 56 98.264 21.723 57 98.356 21.721 AN 58 98.450 22.342 59 98.550 23.850 °° 60 98.651 23.899 AO 61 98.752 23.901 62 98.829 18.307 MI 63 98.875 10.936 64 98.921 10.836 *= 65 98.967 10.887 66 99.013 10.862 . 67 99.059 10.8B5 = 68 99.105 10.836 69 99.150 10.887 ~, 70 99.196 10.885 71 99.242 10.836 ~= 72 99.288 10.885 °_ 73 99.334 10.836 74 99.380 10.887 . 75 99.426 10.885 76 99.471 10.836 ~~ 77 99.512 9.650 ~~ 78 99.535 5.442 79 99.557 5.147 -~ 80 99.578 5.047 81 99.600 5.147 =° 82 99.621 5.145 83 99.643 5.096 ~~ 84 99.667 5.642 ~~ 85 99.688 5.096 86 99.710 5.096 - 87 99.731 5.096 88 99.753 5.096 89 99.774 5.098 90 99.796 5.096 91 99.817 5.096 92 99.839 5.096 93 99.860 5.096 - 94 99.882 5.098 95 99.903 5.096 ~~ 96 99.925 5.096 .. 97 99.946 5.096 98 99.968 5.096 . 99 99.989 5.098 100 100.000 2.555 . m . TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 349.8437 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2368.2380 m . m .. =w . .0 _ - - -_ ___= === ===== == = ========= == e==== === = ===== === = === == == =sue = == ago = == = == 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = = __ _____________ ________________ _====tea = == HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 925.0 1850.0 2775.0 3700.0 15.083 1213.9480 1826.24 . . QV . 15.167 1226.6810 1848.92 . . QV . 15.250 1239.5750 1872.23 . . Q . 15.333 1252.6440 1897.59 . . QV . 15.417 1265.8200 1913.16 . . QV . 15.500 1279.0210 1916.68 . . QV . 15.583 1292.1910 1912.32 . . QV . 15.667 1305.2540 1896.81 . . Q V . . 15.750 1318.1410 1871.11 . . Q V . -- 15.833 1330.8590 1846.75 . . Q. V . 15.917 1343.4520 1828.49 . . Q. V . 16.000 1355.8150 1795.08 . . Q. V . 16.083 1369.2290 1947.68 . . .Q V . 16.167 1384.2880 2186.66 Q . 16.250 1400.7730 2393.58 . . . V 0 . 16.333 1419.0710 2656.79 . . . V Q . . _ 16.417 1439.0310 2898.26 . . . V .Q . 16.500 1460.2320 3078.32 . . V . Q . 16.583 1482.6410 3253 :79 . . . V . Q . 16.667 1507.9790 3679.10 . . . V . Q. 16.750 152 8.9910 3051.02 . . . V . Q . 16.833 1547.1760 2640.37 . . . V Q . . 16.917 1564.2150 2474.09 . . Q • 17.000 1580.9620 2431.71 . Q • 17.083 1597.2380 2363.23 . . QV . 17.167 1613.2080 2318.90 . . Q V - 17.250 1628.6830 2246.94 . . Q V • 17.333 1643.8410 2200.85 . . Q V . 17.417 1658.5670 2138.30 . . Q V . • 17.500 1673.0090 2097.02 . . Q V . . 17.583 1687.1060 2046.85 . . Q V • - 17.667 1700.8930 2001.79 . .0 V . • 17.750 1714.3580 1955.15 . .Q V . • 17.833 1727.5780 1919.64 . Q V. - 17.917 1740.5610 1885.07 . 0 V. . 18.000 1753.3000 1849.69 . Q. V. • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *A FLOW PROCESS FROM NODE 2.00 TO NODE 2.10 IS CODE = 5 > > >> >MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August.1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = 2.50 UPSTREAM ELEVATION = 2160.00 . t . c : :.i[.'_ , d ^ :' : •:3F, %ii. - `_s+it,.: -.F:x d :_. DOWNSTREAM ELEVATION = 1950.00 { CHANNEL LENGTH(FT) = 2400.00 MANNINGS FACTOR = .030 CHANNEL ROUTING COEFFICIENT ESTIMATED: • MAXIMUM INFLOW(CFS) = 3679.10 • AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 2263.34 CHANNEL NORMAL VELOCITY FOR Q = 2263.34 CFS = 25.09 FPS 1 -7 ESTIMATED CHANNEL ROUTING COEFFICIENT = .937 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE T UNIT INTERVALS IS CSTAR = .999 CONVEX METHOD CHANNEL ROUTING RESULTS: F MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 1826.2 1819.9 15.167 1848.9 1842.1 15.250 1872.2 1865.2 15.333 1897.6 1890.0 15.417 1913.2 1908.5 15.500 1916.7 1915.6 r 15.583 1912.3 1913.6 �! 15.667 1896.8 1901.5 15.750 1871.1 1878.8, 15.833 1846.8 1854.,0 15.917 1828.5 1834.0 16.000 1795.1 1805.1 16.083 1947.7 1902.0 F 16.167 2186.7 2115.1 16.250 2393.6 2331.6 16.333 2656.8 2578.0 16.417 2898.3 2825.9 16.500 3078.3 3024.4 . 16.583 3253.8 3201.2 7 16.667 3679.1 3551.8 )1 16.750 3051.0 3238.8 -- 16.833 2640.4 2763.4 16.917 2474.1 2523.9 F 17.000 2431.7 2444.4 17.083 2363.2 2383.7 17.167 2318.9 2332.2 r 17.250 2246.9 2268.5 17.333 2200.8 2214.7 • 17.417 2138.3 2157.0 17.500 2097.0 2109.4 r 17.583 2046.9 2061.9 t_ 17.667 2001.8 2015.3 17.750 1955.1 1969.1 7 17.833 1919.6 1930.3 j 17.917 1885.1 1895.4 18.000 1849.7 1860.3 r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.10 TO NODE 3.00 IS CODE = 5 r )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD( « <( r THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROBRAPH BY 5- MINUTE ' INTERVAL the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 15.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1950.00 DOWNSTREAM ELEVATION = 1570.00 CHANNEL LENGTH(FT) = 6700.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 3551.82 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 2182.93 CHANNEL NORMAL VELOCITY FOR Q = 2182.93 CFS = 44.05 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .963 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .996 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 1819.9 1809.6 15.167 1842.1 1831.2 15.250 1865.2 1853.9 15.333 1890.0 1877.8 15.417 1908.5 1899.4 15.500 1915.6 1912.1 15.583 1913.6 1914.6 15.667 1901.5 1907.4 15.750 1878.8 1889.9 15.833 1854.0 1866.2 15.917 1834.0 1843.8 16.000 1805.1 1819.3 16.083 1902.0 1854.6 16.167 2115.1 2010.5 16.250 2331.6 2225.1 16.333 2578.0 2456.9 16.417 2825.9 2704.0 16.500 3024.4 2926.7 16.583 3201.2 3114.2 16.667 3551.8 3379.7 16.750 3238.8 3391.6 16.833 2763.4 2996.9 16.917 2523.9 2642.1 17.000 2444.4 2483.8 17.083 2383.7 2413.6 17.167 2332.2 2357.6 17.250 2268.5 2299.8 17.333 2214.7 2241.1 17.417 2157.0 2185.4 17.500 2109.4 2132.8 17.583 2061.9 2085.2 17.667 2015.3 2038.2 17.750 1969.1 1991.8 17.833 1930.3 1949.4 17.917 1895.4 1912.6 18.000 1860.3 1877.6 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW IS CODE : 1 LOW PROCES5 _FROM NODE .,_.. 3 . op TO NOI) 3. .- .. .y .... ,.. ..'z._ .._ .. .,.. ,.. .. ...��1: .. ,.� i.'L; ..= .---- �- ..��..�L' -.. i�'�'<w- ��.' �"= wal.:.= �w=. ��= a7.:•... r.'. �vu>:....==: Y+:4?';: " 9=',:. :.,:- ....- ...- `�'_._T'- ::'_.. .,_ ...: mss':::- ..:,:4.Z7 > > >> >UNIT- HYDROGRAPH ANALYSIS << <<< ______________=== = = ==c =xx.= x =x. = = = =___ = = = = =x = =Mxss= == - (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .261 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 31.976 WATERCOURSE LENGTH = 17800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2 FEET BASIN FACTOR = .020 WATERSHED AREA = 1947.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .350 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) _ .475 LOW LOSS FRACTION = .349 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .60 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.26 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) _ .1..69 SPECIFIED PEAK 3 -HdUR RAINFALL(INCH) = 3.30 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.10 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11..50 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .810 30- MINUTE FACTOR = .810 1 -HOUR FACTOR = .810, 3 -HOUR FACTOR = .973 6 -HOUR FACTOR = .985 24 -HOUR FACTOR = .991 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 =___==_====================================================== UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) .1 2.232 525.475 2 10.878 2035.799 3 28:831 4227.423 4 57.739 6806.794 . 5 73.302 3664.560 6 82.163 2086.481 7 87.737 1312.598 8 91.338 847.810 9 93.725 562.004 10 95.592 439.556 11 96.980 326.957 12 97.956 229.866 �_ ' - - . . -''^' 13 98.589 149.075 14 98.882 68.891 15 99.114 54.530 16 99.316 47.660 17 99.458 33.357 18 99.599 33.357 19 99.741 33.355 20 99.883 33.357 21 100.000 27.628 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 621.2215 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1227.2260 = == °= �� =° = = 410 1 410 � 10110 on IP* ' s. r, rY .... iw vr. ` .... ... .. , . .., ... • . ., - w.. .u. a ..u..u. .ui , v n iYY .a. i. r .. w« 1 ♦r rw rc ..... ...., N } . r+ r .... . _r a i .....♦ .r w V« - . -.r:. ._ ..... _. _.. «r o w .. • .. ........ ....n «§ ...... w __ = ==== ass== == =__ ================================================ 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H = = === ==== == = =as = = == == as== = = ===== == === == =____ = =__ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 1075.0 2150.0 3225.0 4300.0 15.083 645.3177 1167.77 . Q .V . 15.167 653.4904 1186.68 . .Q .V . r -- 15.250 661.7975 1206.19 . .Q .V . 15.333 670.2590 1228.61 . .Q .V . 15.417 678.7886 1238.50 . .0 . V 15.500 687.1468 1213.61 . .0 . V . 15.583 694.9684 1135.69 . 0 . V . 15.667 701.8635 1001.18 . Q. . V . 15.750 708.4769 960.26 . 0 . . V . 15.833 715.2305 980.61 Q. V . 15.917 722.4377 1046.48 . Q. V . . 16.000 730.6754 1196.12 . .0 . V . 16.083 741.8752 1626.22 . 0 V . 16.167 758.8864 2470.02 . . . Q V . 16.250 782.6874 3455.91 . . . V . Q . 16.333 811.7768 4223.77 . . V Q. 16.417 831.4063 2850.20 . . QV • 16.500 845.7800 2087.06 . . Q. V • 16.583 857.6563 1724.44 . Q . V 16.667 868.6171 1591.50 . Q V . . 16.750 878.8209 1481.59 . . 0 . V . . 16.833 888.5413 1411.41 . . Q V . 16.917 897.7596 1338.50 . . 0 V. . 17.000 906.4972 1268.70 .0 V. • 17.083 914.7741 1201.81 . .Q V. . 17.167 922.5624 1130.86 . Q . V . 17.250 929.9341 1070.37 Q. V . 17.333 936.7802 994.05 . 0. . V . 17.417 943.2487 939.23 . Q . . V . 17.500 949.4573 901.49 . Q . . V . 17.583 955.4553 870.91 . Q . . .V . 17.667 961.2709 844.43 . Q . . .V . 17.750 966.9056 818.16 0 . . . . 17.833 972.3281 787.34 . Q . . .V . 17.917 977.6257 769.21 . 0 . . .V . 18.000 982.8143 753.38 . 0 . . V . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((< THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 22.00 CHANNEL Z = .00 UPSTREAM ELEVATION _ _._ _.,,.. 1570. , 00 DOWNSTREAM ELEVATION 1380.00 CHANNEL LENGTH(FT) = 5500.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 6680.63 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 4545.97 CHANNEL NORMAL VELOCITY FOR Q = 4545.97 CFS = 43.75 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .963 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .999 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 2977.4 2962.0 15.167 3017.9 3001.5 15.250 3060.1 3043.0 15.333 3106.4 3087.7 15.417 3137.9 3125.1 15.500 3125.7 3130.6 15.583 3050.3 3080.8 15.667 2908.6 2965.9 15.750 2850.2 2873.9 15.833 2846.8 2848.2 15.917 2890.3 2872.8 16.000 3015.4 2964.8 16.083 3480.8 3292.6 16.167 4480.5 4076.2 16.250 5681.1 5195.2 16.333 6680.6 6275.9 16.417 5554.2 6008.9 16.500 5013.8 5232.9 16.583 4838.7 4909.8 16.667 4971.2 4917.7 16.750 4873.1 4912.7 16.833 4408.3 4596.3 16.917 3980.6 4153.8 17.000 3752.5 3845.0 17.083 3615.4 3671.0 17.167 3488.4 3539.8 17.250 3370.2 3418.0 17.333 3235.2 3289.8 17.417 3124.6 3169.4 17.500 3034.3 3070.9 17.583 2956.1 2987.8 17.667 2882.6 2912.4 17.750 2810.0 2839.4 17.833 2736.7 2766.4 17.917 2681.8 2704.0 18.000 2630.9 2651.5 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 2 > > > > >FLOWBY STRUCTURE ROUTING MODEL((((( MODEL STREAM NUMBER 3 FLOWING PAST A FLOWBY STRUCTURE: FLOWRATES IN STREAM # 3 ARE GREATER THAN 3100.0 CFS ARE ASSUMED TO BE EXCESS FLOWS. - FLOW EXCESS IS ASSUMED TO BE ADDED TO STREAM NUMBER 1 m ,.. INFLOW INFLOW (STREAM 1) (STREAM 3) flow excess m ;< * (= flowby structure (flowby 0 = 3100.0 cfs) V v STREAM 1 STREAM 3 *I + FLOW EXCESS FLOWBY m - FLOWBY BASIN MODELING RESULTS: MODEL INFLOW INFLOW OUTFLOW FLOWBY TIME (STREAM 1) (STREAM 3) (STREAM 1) (STREAM 3) (HRS) (CFS) (CFS) (CFS) (CFS) ., 15.083 .0 2962.0 .0 2962.0 15.167 .0 3001.5 .0 3001.5 15.250 .0 3043.0 .0 3043.0 15.333 .0 3087.7 .0 3087.7 15.417 .0 3125.1 25.1 3100.0 15.500 .0 3130.6 30.6 3100.0 15.583 .0 3080.8 .0 3080.8 .�. 15.667 .0 2965.9 .0 2965.9 15.750 .0 2873.9 .0 2873.9 '°' 15.833 .0 2848.2 .0 2848.2 15.917 .0 2872.8 .0 2872.8 16.000 .0 2964.8 .0 2964.8 - 16.083 .0 3292.6 192.6 3100.0 16.167 .0 4076.2 976.2 3100.0 16.250 .0 5195.2 2095.2 3100.0 i d 16.333 .0 6275.9 3175.9 3100.0 3/ p" /"4". "" 16.417 .0 6008.9 2908.9 3100.0 -, 16.500 .0 5232.9 2132.9 3100.0 F0/2 DFs /GN OP 16.583 .0 4909.8 1809.8 3100.0 1 4 S/e CM,d AP/ 16.667 .0 4917.7 1817.7 3100.0 Nor FOR QASIV 16.750 .0 4912.7 1812.7 3100.0 m 16.833 .0 4596.3 1496.3 3100.0 R pv *//V 6 16.917 .0 4153.8 1053.8 3100.0 17.000 .0 3845.0 745.0 3100.0 _ 17.083 .0 3671.0 571.0 3100.0 17.167 .0 3539.8 439.8 3100.0 m 17.250 .0 3418.0 318.0 3100.0 17.333 .0 3289.8 189.8 3100.0 17.417 .0 3169.4 69.4 3100.0 17.500 .0 3070.9 .0 3070.9 17.583 .0 2987.8 .0 2987.8 m 17.667 .0 2912.4 .0 2912.4 17.750 .0 2839.4 .0 2839.4 '� 17,833 .0 2766.4 .0 2766.4 17.917 .0 2704.0 .0 2704.0 m 18.000 .0 2651.5 .0 2651.5 ,,,. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 6.10 TO NODE 4.00 IS CODE = 1 -- Yw.NwYY- Y -Y - -YN YYY- YYY- Y..YYYN- YNYYNYNY- N > > >> >UNIT- HYDROGRAPH ANALYSIS <(((( (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .300 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 27.808 WATERCOURSE LENGTH = 12600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 7300.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 310.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 924.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .504 LOW LOSS FRACTION = .428 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .56 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.16 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.55 ~ SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.91 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.40 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR a .810 30- MINUTE FACTOR = .810 1 -HOUR FACTOR = .810 3 -HOUR FACTOR = .973 6 -HOUR FACTOR = .985 24 -HOUR FACTOR = .991 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 16.00 MODEL TIME(HOURS) FOR END OF RESULTS = 17.00 ========================================================== UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.703 190.295 2 9.305 849.455 3 25.340 1791.952 4 47.046 2425.486 5 69.072 2461.345 6 83.532 1615.823 7 91.405 879.762 8 95.734 483.759 9 97.857 237.254 10 98.547 77.126 11 99.068 58.265 12 99.590 58.265 13 100.000 45.836 TOTAL . SOIL -LOSS VOLUME (ACRE-FEET )_. _,_.._ 306, 3999 .. ..:. ....... . ..._,_..:, ._,,. ,..,_ TOTAL STORM RUNOFF VOLUME(ACRE —FEET) = 441.1808 owe 41111 4Ni 1AM AM ,a.oe MON Ald ,1111 .. _.. •..y.._.,._,,. „... _....,. ,.. -.._.-:.. t..:_. .........:..... t..-. :_::......... �...✓:_. w»... �... �a . +.,a+v..:d.:..,...w.,am an:o....- ...s...,6 .e ....... �w a`. .e,:»r.o.a::- .o-,::au.:..:.:t.. 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 400.0 800.0 1200.0 1600.0 16.083 261.7816 594.51 . . Q V . . 16.167 268.2238 935.41 . . . QV . 16.250 277.4523 1339.97 . . . V . Q . 16.333 288.2124 1562.38 . . . V . Q. 16.417 298.5258 1497.49 . . . V Q . 16.500 306.2047 1114.99 . . . Q . 16.583 311.6994 797.82 . . Q. V . . 16.667 316.0355 629.60 . Q V . . 16.750 319.7184 534.76 . . Q V . . 16.833 322.9784 473.35 . .Q . V. . 16.917 326. 1301 457.64 .0 V • • 17.000 329.2014 445.94 . .Q . V. • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 6.10 TO NODE 4.00 IS CODE = 11 > > >> >VIEW STREAM NUMBER 3 HYDROGRAPH((<(< = = ===ate= ====-- ===--- = =-- - -- STREAM HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 1175.0 2350.0 3525.0 4700.0 15.083 2067.4880 3378.91 . . •V Q • - 15.167 2091.0820 3425.73 . .V Q. • 15.250 2115.0160 3475.31 . . .V Q. . 15.333 2139.3190 3528.81 . . . V 0 - 15.417 2163.7500 3547.38 . . . V Q • 15.500 2188.1450 3542.18 . . • V Q • 15.583 2212.2620 3501.72 . . V Q. . 15.667 2235.3770 3356.39 . . . V Q • . 15.750 2257.6760 3237.74 . . . V 0 • 15.833 2279.7670 3207.60 . . . V Q • 15.917 2302.1670 3252.61 . . V 0 . 16.000 2325.5700 3398.03 . . . V Q . . 16.083 2351.0140 3694.51 . . . V .0 . 16.167 2378.8060 4035.41 . • . V . 0 • 16.250 2409.3850 4439.97 . . . V . Q - 16.333 2441.4950 4662.38 . . . V Q. 16.417 2473. 1580 4597.49 . . . V Q. 16.500 2502.1870 4214.99 . . . V . Q • 16.583 2529.0310 3897.82 . . . V 0 • 16.667 2554.7170 3729.60 . . V .0 • 16.750 2579.7500 3634.76 . . V 0 - 16.833 2604.3600 3573.35 . . V Q . 16.917 2628.8610 3557.64 . . - V 0 . 17.000 2653.2820 3545.94 . . V Q . 17.083 2677.5700 3526.47 . . V Q - 17.167 2701.6250 3492.86 . V Q. . 17.250 2725.5350 3471.67 . . VQ. . 17.333 2749.2850 3448.55 . . . VQ. • 17.417 2772. _ 3425. - 97 .. : -_ • ..... ,... • .. - .. . .., -.. z - . , . - r _ -._ - 17.500 2796.1510 3378.91 . . . Q . 17.583 2818.7590 3282.73 . ~ . Q V. 17.667 2840.7780 3197.11 . . . Q V. 17.750 2862.2370 3115.89 . . . Q V. 17.833 2883.1470 3036.12 . . . Q V. 17.917 2903.5850 2967.60 . ~ . Q V. 18.000 2923.6220 2909.35 . . . Q V END OF FLOOD ROUTING ANALYSIS ~ - am �wa � 0111 � 44111 ges LINDGREN & �T 1 APPENDIX IV Etiwanda Watershed To Foothill Blvd. C C ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * F L O O D R O U T I N G A N A L Y S I S USING ORANGE /SAN BERNARDINO COUNTY UNIT - HYDROGRAPH (1986 MANUAL) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 3.OA Release Date: 7/21/88 Serial # 2124 Analysis prepared by Fuscoe, Williams, Lindgren & Short * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * ETIWANDA DRAINAGE AREA TO FOOTHILL WITH DIVERSION OF ETIWANDA FLOWS TO } * SAN SEVAINE BASIN NO 5. MAXIMUM FLOWBY OF ETIWANDA FLOWS = 3100 cfs, * (MINIMAL DIVERSION). DEPTH AREA FACTORS FOR A = 6142 ACRES. • ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: C: \ESS \DIV \EDIVB.DAT TIME /DATE OF STUDY: 16:39 2/ 4/1989 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *, FLOW PROCESS FROM NODE 2.00 TO NODE 2.00 IS CODE = 1 -- >))> )UNIT - HYDROGRAPH ANALYSIS((((( ===- ==== ==- ==---- - - - =-- - ---- - =- =---- = = = ==a.- =a=s =s== =e= == = = = === = =ae =c= = = ===___= (UNIT - HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .636 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 13.099 WATERCOURSE LENGTH = 19400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11600.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3880.000 FEET BASIN FACTOR = .045 WATERSHED AREA = 1960.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .350 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .308 LOW LOSS FRACTION = .132 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .76 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.55 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 2.08 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 4.13 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 6.94 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 16.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .753 30- MINUTE FACTOR = .753 1 -HOUR FACTOR = .753 3 -HOUR FACTOR = .961 6 -HOUR FACTOR - .979 24 -HOUR FACTOR = .989 RUNOFF HYDROGRAPH LISTING LIMITS: - MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.044 247.359 2 3.531 589.553 3 7.053 834.867 4 12.182 1215.882 5 18.808 1570.458 6 26.263 1767.202 7 34.726 2005.931 8 47.713 3078.425 9 55.839 1926.252 10 60.977 1217.831 11 65.022 958.946 12 68.433 808.451 13 71.241 665.700 - 14 73.871 623.334 15 76.097 527.631 16 78.176 492.897 -- 17 79.967 424.545 18 81.650 398.755 19 83.152 356.225 20 84.535 327.713 21 85.757 289.598 22 86.890 268.642 23 87.937 248.179 --- 24 88.872 221.534 25 89.725 202.335 26 90.466 175.556 27 91.146 161.115 28 91.752 143.669 29 92.324 135.571 .30 92.821 ' 117.803 31 93.278 108.390 32 93.599 76.083 33 93.893 69.824 . -_ 34 94.188 69.884 35 94.478 68.575 36 94.748 64.064 37 95.016 63.629 38 95.285 63.641 39 95.529 57.912 .40 95.750 52.324 41 95.970 52.174 42 96.190 52.174 43 96.405 51.085 44 96.617 50.022 45 96.828 50.022 46 97.038 49.926 47 97.237 47.076 48 97.402 39.160 49 97.521 28.279 50 97.640 28.055 51 97.752 26.523 52 97.862 26.101 - 53 97.972 26.053 ~= 54 98.079 25.407 55 98.172 22.168 ~~ 56 98.264 21.723 57 98.356 21.721 = 58 98.450 22.342 59 98.550 23.850 °.. 60 98.651 23.899 .0 61 98.752 23.901 62 98.829 18.307 °= 63 98.875 10.936 64 98.921 10.836 °= 65 98.967 10.887 °0. 66 99.013 10.862 67 99.059 10.885 . 68 99.105 10.836 69 99.150 10.887 ~° 70 99.196 10.885 71 99.242 10.836 �� 72 99.288 10.885 . 73 99.334 10.836 74 99.380 10.887 . 75 99.426 10.885 76 99.471 10.836 - 77 99.512 9.650 = 78 99.535 5.442 79 99.557 5.147 ~~ 80 99.578 5.047 81 99.600 5.147 =° 82 99.621 5.145 83 99.643 5.096 ~= 84 99.667 5.642 ' 85 99.688 5.{}96 86 99.710 5.096 87 99.731 5.096 88 99.753 5.096 89 99.774 5.098 90 99.796 5.096 91 99.817 5.096 ~ 92 99.839 5.096 93 99.860 5.()96 - 94 99.882 5.098 ~ 95 99.903 5.096 96 99.925 5.096 ~= 97 99.946 5.096 98 99.968 5.096 . 99 99.989 5.09B 100 100.000 2.555 . . . TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 350.0776 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2362.5200 . . . °~ . _ _.. _a ... .... .. _.s .. ..y .. _. .. ._ ♦. ..e a„.. r. .._ ... .�... i.... _.w ..,t.v •.e. +a_.._. ✓.k .uacc..rf:n .>«`vn .ain......rW-.aw..u..YL .1.+.aaif4i: *v um+"'..wrnrs... ..= .Y6 +..... a.xa�;....... .. ..t __ = == =========================================== 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H ___== ________ === ==== = ___ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 875.0 1750.0 2625.0 3500.0 15.083 1218.2670 1881.22 . . VQ . 15.167 1231.3700 1902.47 . . VQ . 15.250 1244.6180 1923.58 . . .0 . 15.333 1258.0200 1945.96 . . .VQ 15.417 1271.4980 1957.09 . .VQ . 15.500 1284.9570 1954.28 . . .VQ . P ' 15.583 1298.3340 1942.30 . . .VQ . 15.667 1311.5380 1917.16 . . .61V . 15.750 1324.4870 1880.31 . . .QV . .- 15.833 1337.1830 1843.38 . . .QV . 15.917 1349.6560 1811.03 . . Q V . 16.000 1361.7630 1758.06 . . Q V . 16.083 1374.7500 1885.66 . . .Q V . 16.167 1389.2010 2098.26 . . . Q . 16.250 1404.9250 2283.09 . . . V Q . 16.333 1422.2870 2521.07 . . . V Q . . - 16.417 1441.1690 2741.55 . . . V .Q . 16.500 1461.1960 2907.93 . . . V Q . 16.583 1482.3560 3072.53 . . . V 0 . 16.667 1506.2640 3471.34 . . . V Q. 16.750 1526.2250 2898.33 . . . V Q . 16.833 1543.6420 2528.95 . . . V 0 . . 16.917 1560.0920 2388.63 . . . VQ . 17.000 1576.4230 2371.26 . . . VQ . 17.083 1592.4210 2322.95 . . . 0 . 17.167 1609.2010 2291.27 . . . QV . . .--. 17.250 162 3.5660 2230.97 . . Q V . . 17.333 1638.6600 2191.59 . . Q V . 17.417 1653.3570 2134.01 . . . Q V . 17.500 1667.7820 2094.51 . . . Q V . • 17.583 1681.8630 2044.59 . . 0 V . . 17.667 1695.5940 1993.75 . . . Q V . . 17.750 1708.9930 1945.58 . . . 0 V . . 17.833 1722.1510 1910.43 . .Q V. • 17.917 1735.0770 1876.87 . . .Q V. . 18.000 1747.7700 1843.03 . . .0 V. . ********* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** **** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *1 FLOW PROCESS FROM NODE 2.00 TO NODE 2.10 IS CODE = 5 ))) ))MODEL CHANNEL ROUTING BY THE CONVEX METHOD < < <<( = -====================== == _= = = = == = = = == = =----- = =___ =_ THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguet,1972, U.S. Department of Commerce) . ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = 2.50 UPSTREAM ELEVATION , = 21 . DOWNSTREAM ELEVATION = 1950.04 ' r CHANNEL LENGTH(FT) = 2400.00 MANNINGS FACTOR = .030 r- CHANNEL ROUTING COEFFICIENT ESTIMATED: I MAXIMUM INFLOW(CFS) = 3471.34 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 2117.46 r . CHANNEL NORMAL VELOCITY FOR Q = 2117.46 CFS = 24.61 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .935 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE r"' UNIT INTERVALS IS CSTAR = .999 E r CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) I: (HRS) (CFS) (CFS) 15.083 1881.2 1875.0 15.167 1902.5 1896.0 r 15.250 1923.6 1917.1 15.333 1946.0 1939.1 15.417 1957.1 1953.7 15.500 1954.3 1955.1 15.583 1942.3 1945.9 15.667 1917.2 1924.8 15.750 1880.3 1891.6 . 15.833 1843.4 1854.6 15.917 1811.0 1820.9 16.000 1758 :1 1774.2 r 16.083 1885.7 1846.8 L 16.167 2098.3 2033.4 16.250 2283.1 2226.7 16.333 2521.1 2448.5 r" 16.417 2741.6 2674.3 L 16.500 2907.9 2857.2 16.583 3072.5 3022.3 r- 16.667 3471.3 3349.7 , 16.750 2898.3 3072.9 16.833 2528.9 2641.7 16.917 2388.6 2431.5 7 17.000 2371.3 2376.6 17.083 2323.0 2337.7 17.167 2291.3 2300.9 ' 17.250 2231.0 2249.4 17.333 2191.6 2203.6 17.417 2134.0 2151.6 • 17.500 2094.5 2106.6 17.583 2044.6 2059.8 17.667 1993.8 2009.3 17.750 1945.6 1960.3 r 17.833 1910.4 1921.2 17.917 1876.9 1887.1 . 18.000 1843.0 1853,4 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *I FLOW PROCESS FROM NODE 2.10 TO NODE 3.00 IS CODE = 5 f > > >>> MODEL CHANNEL ROUTING BY THE CONVEX METHODttttt THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE .. i.. r. ... ..:... .. - .. . . ..... :..... .. '... .... .':.. . ':.:.:'r. .v. - r a+. ' a r«•isiYwt'rl'tiui ....: INT the National Engineering Handbook. Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: 9ASEWIDTH(FT) = 15.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1950.00 DOWNSTREAM ELEVATION = 1570.00 CHANNEL LENGTH(FT) = 6700.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 3349.74 AVERAGE FLOWRATE IN EXCESS OF 50`/. MAXIMUM INFLOW = 2091.53 CHANNEL NORMAL VELOCITY FOR Q = 2091.53 CFS = 43.41 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .962 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .996 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 1875.0 1864.8 15.167 1896.0 1885.5 15.250 1917.1 1906.6 15.333 1939.1 1928.2 15.417 1953'.7 1946.4 15.500 1955.1 1954.4 15.583 1945.9 1950.5 15.667 1924.8 1935.3 15.750 1891.6 1908.1 15.833 1854.6 1873.1 15.917 1820.9 1837.8 16.000 1774.2 1797.5 16.083 1846.8 1810.8 16.167 2033.4 1940.5 16.250 2226.7 2130.2 16.333 2448.5 2337.8 16.417 2674.3 2561.6 16.500 2857.2 2765.8 16.583 3022.3 2939.8 16.667 3349.7 3186.6 16.750 3072.9 3209.8 16.833 2641.7 2856.6 16.917 2431.5 2536.9 17.000 2376.6 2404.3 17.083 2337.7 2357.1 17.167 2300.9 2319.3 17.250 2249.4 2275.1 17.333 2203.6 2226.5 17.417 2151.6 2177.5 17.500 2106.6 2129.0 17.583 2059.8 2083.1 17.667 2009.3 2034.5 17.750 1960.3 1984.7 17.833 1921.2 1940.7 17.917 1887.1 1904.1 18.000 1853.4 1870.2 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE,_ 3•00_, TO_ NODE , .__ 3.00 IS CODE = 1 _ • - . .+. r .... .,... ....... • > > >> >UNIT - HYDROGRAPH ANALYSIS < <( <( (UNIT- HYDROGRAPH ADDED TO STREAM #3) • WATERCOURSE "LAG" TIME = .261 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 31.976 WATERCOURSE LENGTH = 17800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2300.000 FEET - BASIN FACTOR = .020 WATERSHED AREA = 1947.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .350 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .000 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) _ .475 LOW LOSS FRACTION = .349 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .60 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.26 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.69 SPECIFIED PEAK 3 -H'bUR RAINFALL(INCH) = 3.30 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 5.10 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.50 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .753 30- MINUTE FACTOR = .753 1 -HOUR FACTOR = .753 . 3-HOUR FACTOR = .961 6 -HOUR FACTOR = .979 24 -HOUR FACTOR = .989 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR. END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) . 1 2.232 525.475 2 10.878 2035.799 3 28.831 4227.423 4 57.739 6806.794 5 73.302 3664.560 6 82.163 2086.481 7 87.737 1312.598 8 91.338 847.810 9 93.725 562.004 10 95.592 439.556 11 96.980 326.957 . 12 97.956 229.866 . - _ - _ - - 13 98.589 149.075 14 98.882 68.891 = 15 99.114 54.530 16 99.316 47.660 17 99.458 33.357 18 99.599 33.357 = 19 99.741 33.355 20 99.883 33.357 = 21 100.000 27.628 oo TOTAL SOIL—LOSS VOLUME(ACRE—FEET) = 622.7773 oo TOTAL STORM RUNOFF VOLUME(ACRE—FEET) = 1221.9420 • = == �� 411 4111 44, ww _- .. .. . •. - i. •...._. ._ .... _. -. ._t ... ......t >'5 -.... ._. ... ✓.alu.u. ..: ... w. v. ... ti -n mot...... -+. w.r......n _.. ....a.i....+. 'aY..tW ..._. .viaai:.. - ... +_.v. 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H ==---=--==---=_=_=============-===_ ==_==__== HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 975.0 1950.0 2925.0 3900.0 15.083 649.6363 1204.84 . . Q .V . 15.167 658.0374 1219.84 . . Q .V . 15.250 666.5440 1235.17 . . Q .V . 15.333 675.1710 1252.64 . . Q . V . 15.417 683.8224 1256.19 . Q . V 15.500 692.2325 1221.14 . . Q . V . 15.583 700.0065 1128.78 . .Q . V . 15.667 706.7178 974.48 . Q. V . . 15.750 713.0579 920.59 . Q. . V 15.833 719.4651 930.32 . Q. . V 15.917 726.2482 984.91 . Q V 16.000 733.9368 1116.37 . .Q . V 16.083 744.2985 1504.52 . Q V 16.167 759.9498 2272.57 . QV 16.250 781.8461 3179.34 . . V . Q 16.333 808.6796 3896.23 . . V Q. 16.417 826.8276 2635.08 . Q . 16.500 840.1940 1940.80 . Q. V 16.583 951.3851 1624 :95 . Q V _ 16.667 861.9415 1532.78 . Q V . 16.750 871.9370 1451.35 . Q . V . . 16.833 881.5836 1400.67 . Q V . . 16.917 890.8403 1344.07 . . Q . V. . 17.000 899.7107 1287.99 . . Q V. . 17.083 908.1899 1231.19 . . Q V. . 17.167 916.2118 1164.78 .Q V. . 17.250 923.7871 1099.93 . .Q V . 17.333 930.7498 1010.97 . Q V . 17.417 937.2936 950.17 Q. V . 17.500 943.5547 909.11 Q. V . 17.583 949.5926 876.70 0 . .V . 17.667 955.4421 849.35 Q . . .V . 17.750 961.1098 822.94 . Q . . .V . 17.833 966.5685 792.61 . 0 . .V . 17.917 971.9012 774.30 . 0 . .V . 18.000 977.1246 758.43 0 . .V . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *o FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 22.00 CHANNEL Z = .00 UPSTREAM ELEVATION .._ 1570. F_.... .. _ DOWNSTREAM ELEVATION = 1380.00 CHANNEL LENGTH(FT) = 5500.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 6234.07 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 4012.59 CHANNEL NORMAL VELOCITY FOR Q = 4012.59 CFS = 42.01 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .961 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .998 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3069.6 3055.0 15.167 3105.4 3090.3 15.250 3141.7 3126.4 15.333 3180.8 3164.3 15.417 3202.6 3193.4 15.500 3175.5 3186.9 15.583 3079.3 3119.8 15.667 2909.8 2981.2 15.750 2828.7 2863.0 15.833 2803.4 2814.1 15.917 2822.7 2814.6 16.000 291319 2875.5 16.083 3315.3 3146.4 16.167 4213.1 3835.2 16.250 5309.6 4847.7 16.333 6234.1 5844.4 16.417 5196.7 5632.2 16.500 4706.6 4913.5 16.583 4564.8 4624.8 16.667 4719.4 4654.5 16.750 4661.2 4685.6 16.833 4257.3 4427.2 16.917 3880.9 4039.5 17.000 3692.3 3771.9 17.083 3588.3 3632.2 17.167 3484.1 3528.0 17.250 3375.0 3421.0 17.333 3237.4 3295.4 17.417 3127.7 3174.0 17.500 3038.2 3075.9 17.583 2959.8 2992.8 17.667 2883.8 2915.9 17.750 2807.7 2839.8 17.833 2733.3 2764.6 17.917 2678.4 2701.6 18.000 2628.6 2649.6 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 2 > > > > >FLOWBY STRUCTURE ROUTING MODEL< « (< _ ================== = = = == = = = = ==== = == = = = = = = = = = = = = = == MODEL STREAM NUMBER 3 FLOWING PAST A FLOWBY STRUCTURE: FLOWRATES IN STREAM * 3 WHICH ARE GREATER THAN 3100.0 CFS ARE ASSUMED TO BE EXCESS FLOWS. FLOW EXCESS IS ASSUMED TO BE ADDED TO STREAM NUMBER 1 INFLOW INFLOW (STREAM 1) (STREAM 3) 1 1 1 flow excess 1< * < =flowby structure 1 1 (flowby Q = 3100.0 cfs) f 1 1 1 1 V V STREAM 1 STREAM 3 + FLOW EXCESS FLOWBY FLOWBY BASIN MODELING RESULTS: MODEL INFLOW INFLOW OUTFLOW FLOWBY TIME (STREAM 1) (STREAM 3) (STREAM 1) (STREAM 3) (HRS) (CFS) (CFS) (CFS) (CFS) 15.083 .0 3055.0 .0 3055.0 15.167 .0 3090.3 .0 3090.3 15.250 .0 3126.4 26.4 3100.0 15.333 .0 3164.3 64.3 3100.0 15.417 '.0 3193.4 93.4 3100.0 15.500 .0 3186.9 86.9 3100.0 15.583 .0 3119.8 19.8 3100.0 15.667 .0 2981.2 .0 2981.2 15.750 .0 2863.0 .0 2863.0 15.833 .0 2814.1 .0 2814.1 15.917 .0 2814.6 .0 2814.6 16.000 .0 2875.5 .0 2875.5 16.083 .0 3146.4 46.4 3100.0 16.167 .0 3835.2 735.2 3100.0 16.250 .0 4847.7 1747.7 3100.0 16.333 .0 5844.4 2744.4 3100.0 16.417 .0 5632.2 2532.2 3100.0 16.500 .0 4913.5 1813.5 3100.0 16.583 .0 4624.8 1524.8 3100.0 16.667 .0 4654.5 1554.5 3100.0 16.750 .0 4685.6 1585.6 3100.0 16.833 .0 4427.2 1327.2 3100.0 16.917 .0 4039.5 939.5 3100.0 17.000 .0 3771.9 671.9 3100.0 17.083 .0 3632.2 532.2 3100.0 17.167 .0 3528.0 428.0 3100.0 17.250 .0 3421.0 321.0 3100.0 17.333 .0 3295.4 195.4 3100.0 17.417 .0 3174.0 74.0 3100.0 17.500 .0 3075.9 .0 3075.9 17.583 .0 2992.8 .0 2992.8 17.667 .0 2915.9 .0 2915.9 17.750 .0 2839.8 .0 2839.8 17.833 .0 2764.6 .0 2764.6 17.917 .0 2701.6 .0 2701.6 18.000 .0 2649.6 .0 2649.6 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 6.10 TO NODE 4.00 IS CODE as 1 m _ > > >> )UNIT - HYDROGRAPH ANALYSIS((((( (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .300 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 27.808 WATERCOURSE LENGTH = 12600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 7300.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 310.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 924.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .504 LOW LOSS FRACTION = .428 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .56 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.16 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.91 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.40 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .753 30- MINUTE FACTOR = .753 1 -HOUR FACTOR = .753 3 -HOUR FACTOR = .961 6 -HOUR FACTOR = .979 24 -HOUR FACTOR = .989 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 16.00 MODEL TIME(HOURS) FOR END OF RESULTS = 17.00 s =••a=====_ __________ = = == == == = ==_________: UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.703 190.295 2 9.305 849.455 3 25.340 1791.952 4 47.046 2425.486 5 69.072 2461.345 6 83.532 1615.823 7 91.405 879.762 8 95.734 483.759 9 97.857 237.254 10 98.547 77.126 11 99.068 58.265 12 99.590 58.265 13 100.000 45.836 TOTAL SOIL -LOSS VOLUM FE .._ 307.3979 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 438.6747 40 iMAN 16 IIN gtila mak oft 4* 4* 4* 24 -HOUR STORM RUNOFF H Y D R O G R A P H = = == =___== = =__ = = = - - -= _ =_____ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 16.083 262.7627 545.12 . . Q V 16.167 268.6522 855.16 . . Q V 16.250 277.0976 1226.28 . V . Q 16.333 286.9693 1433.36 V Q . 16.417 296.4601 1378.06 . V Q . 16.500 303.5609 1031.04 Q . 16.583 308.7000 746.20 . Q. V . 16.667 312.8364 600.60 . Q V . 16.750 316.4370 522.80 . Q V 16.833 319.6956 473.15 . . Q V. 16.917 322.8866 463.33 . Q V. 17.000 326.0266 455.93 . . Q V. ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 4.00 TO NODE 7.00 IS CODE = 5 >))> >MODEL CHANNEL ROUTING BY THE CONVEX METHOD< (< « THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Augurt,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 18.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1380.00 DOWNSTREAM ELEVATION = 1280.00 CHANNEL LENGTH(FT) = 5450.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4533.36 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3111.07 CHANNEL NORMAL VELOCITY FOR C! = 3111.07 CFS = 32.22 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .950 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .991 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3486.8 3464.4 15.167 3528.1 3505.6 15.250 3544.4 3535.4 15.333 3551.5 3547.6 15.417 3555.5 3553.3 . - _. .• - . t ,. _. ..• •_. z. • w . +. i.. _ .. n. -.,.. .- ---=. - .ti. ._,'kr - 7:..t . �. .� r_ .w..... ., .."'.. . ..4 i r . . - • 15.500 3546.7 3551.4 15.583 3520.1 3534.5 15.667 3364.3 3448.5 15.750 3212.9 3295.4 15.833 3154.4 3186.7 15.917 3170.4 3162.1 16.000 3276.8 3219.3 16.083 3645.1 3445.8 16.167 3955.2 3786.1 16.250 4326.3 4124.5 16.333 4533.4 4419.8 16.417 4478.1 4506.9 16.500 4131.0 4318.6 16.583 3846.2 4001.6 16.667 3700.6 3780.6 16.750 3622.8 3665.5 16.833 3573.2 3600.3 16.917 3563.3 3568.9 17.000 3555.9 3560.0 17.083 3539.9 3548.6 17.167 3508.3 3525.4 17.250 3485.5 3497.9 17.333 3459.0 3473.4 17.417 3432.6 3447.0 17.500 3388.0 3412.2 17.583 3290.5 3343.4 17.667 3202.6 3250.5 17.750 3118.0 3164.1 17.833 3036.2 3080.8 17.917 2966.9 3004.7 18.000 2909.2 2940.7 18.083 2854.3 2884.2 18.167 2796.7 2828.1 18.250 2732.3 2767.3 18.333 2660.2 2699.4 18.417 2589.7 2628.1 18.500 2524.7 2560.1 18.583 2461.4 2495.8 18.667 2395.3 2431.2 18.750 2327.5 2364.4 18.833 2268.6 2300.7 18.917 2222.1 2247.5 19.000 2182.4 2204.0 19.083 2145.6 2165.6 19.167 2111.3 2130.0 19.250 2079.0 2096.6 19.333 2047.4 2064.6 19.417 2017.6 2033.9 19.500 1990.6 2005.3 19.583 1965.6 1979.2 19.667 1941.7 1954.7 19.750 1918.7 1931.2 19.833 1896.7 1908.7 19.917 1875.0 1886.8 20.000 1852.9 1865.0 ************************************+******* * * * * * * * * ** * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 6.20 TO NODE 7.00 IS CODE = 1 )) )))UNIT - HYDROGRAPH ANALYSIS< M ( (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .282 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 29.588 ... WATERCOURSE LENGTH = 10600.000 FEET LENGTH FROM CONCENTRATION F'OINT TO CENTROID = 5400.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 140.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 799.000 ACRES �• BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S- GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .389 LOW LOSS FRACTION = .347 si. *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .55 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.13 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.50 SPECIFIED► PEAK 3 -HOUR RAINFALL(INCH) = 2.78 4 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.10 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.30 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .753 30- MINUTE FACTOR = .753 1 -HOUR FACTOR = .753 3 -HOUR FACTOR = .961 6 -HOUR FACTOR = .979 24 -HOUR FACTOR = .989 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.839 177.682 2 10.633 849.814 3 28.365 1713.402 4 52.419 2324.260 5 74.011 2086.471 6 86.880 1243.498 7 93.525 642.086 ""' 8 96.965 332.469 9 98.309 129.850 10 98.864 53.606 11 99.385 50.382 12 99.754 35.632 13 99.939 17.816 14 100.000 5.938 ""' TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 204.1021 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 408.1006 .. = 24-HOUR STORM =~ R U N O F F H Y D R O G R A P H = HYDROGRAPH IN FIVE-MINUTE INTERVAB(CFS) �. °.. TIME(HRS) VOLUME(AF) Q(CFS) A. 350.0 700.0 1050.0 1400.0 15.083 213.6719 404.46 . .0 V . . ^� 15.167 216.4993 410.55 . .Q .V . . 15.250 219.3719 417.10 . .0 .V . . m 15.333 222.2944 424.33 . . Q .V . . ... 15.417 225.2438 428.26 . . Q . V . . 15.500 228.1218 417.89 . .0 . V . . " 15.583 230.8042 389.49 . .0 . V . . 15.667 233.2157 350.15 . 0 . V . =" . 15.750 235.4245 320.71 . Q. . V . . ~~ 15.833 237.6075 316.97 . Q. . V . • 15.917 239.9283 336.99 . 0. . V . . = 16.000 242.5922 386.80 . .0 . V . . 16.083 246.2390 529.51 . V . Q . V . . ~~ 16.167 252.0139 838.51 . . . QV . . ~~ 16.250 260.0957 1173.48 . . . V . 0 . 16.333 269.4094 1352.35 . . . V . Q . -~ 16.417 277.6911 1202.50 . . . V . Q . 16.500 283.6244 861.51 . . . 0 V . • ~~ 16.583 287.9491 627.95 . . 0 . V . . 16.667 291.5294 519.87 . . 0 . V . . ~~ 16.750 294.7041 460.96 . . Q . V . . = 16.833 297.7167 437.43 . , 0 . V. , 16.917 300.6829 430.70 . . Q . V. . ~~ 17.000 303.5583 417.51 . .0 . V. . 17.083 306.3120 399.83 . .0 . V . °- 17. 167 308.9156 378.04 . 0 . V . ~ 17.250 311.3360 351.45 . 0 . V . 17.333 313.5500 321.46 . Q. . V . ~~ 17.417 315.5733 293.79 . 0 . . V . 17.500 317.4619 274.23 . 0 . . .V . -~ 17.583 319.2576 260.73 . 0 . . .V . 17.667 320.9842 250.70 . 0 . . .V . ~~ 17.750 322.6587 243.14 . 0 . . .V . .. 17.833 324.2895 236.80 . 0 . . .V . 17.917 325.8800 230.93 . 0 . . .V . mil 18.000 327.4337 225.60 . 0 . . . V . =" m **************************************************************************** FLOW PROCESS FROM NODE 7.00 TO NODE 8.00 IS CODE = 5 m. )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD( << << liM MR Mil THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5-MINUTE mu INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August, 1972, Mil U.S. Department of Commerce). "w ASSUMED REGULAR CHANNEL INFORMATION: m BASEWIDTH(FT) = 25.00 CHANNEL Z = .00 //p=rnPIZw F/ PV4TTrIN = 1280.00 DOWNSTREAM ELEVATION = 1190.00 CHANNEL LENGTH(FT) = 6000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 5772.18 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3768.24 CHANNEL NORMAL VELOCITY FOR Q = 3768.24 CFS = 30.35 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .947 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .984 - CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3868.8 3838.5 15.167 3916.2 3885.8 15.250 3952.5 3929.1 15.333 3971.9 3959.3 15.417 3981.5 3975.3 15.500 3969.3 3976.9 15.583 3924.0 3952.7 15.667 3798.6 3878.1 15.750 3616.1 3732.4 15.833 3503.7 3576.4 15.917 3499.0 3503.2 16.000 3606.1 3538.7 16.083 3975.4 3741.5 16.167 4624.6 4211.6 16.250 5298.0 4866.9 16.333 5772.2 5466.3 16.417 5709.4 5744.0 16.500 5180.1 5514.2 16.583 4629.5 4981.9 16.667 4300.4 4513.6 16.750 4126.5 4239.6 16.833 4037.8 4095.5 16.917 3999.6 4024.6 17.000 3977.5 3991.8 17.083 3948.4 3967.0 17.167 3903.4 3932.1 17.250 3849.4 3883.9 17.333 3794.9 3829.8 17.417 3740.8 3775.5 17.500 3686.5 3721.3 17.583 3604.1 3656.6 17.667 3501.2 3566.9 17.750 3407.3 3467.6 17.833 3317.5 3375.1 17.917 3235.6 3288.2 18.000 3166.3 3210.8 18.083 3105.1 3144.4 18.167 3044.9 3083.5 18.250 2980.8 3021.8 18.333 2910.0 2955.2 18.417 2835.9 2883.3 18.500 2765.0 2810.5 18.583 2697.9 2740.9 18.667 2630.4 2673.6 18.750 2560.8 2605.3 18.833 2494.4 2536.9 18.917 2435.6 2474.4 .... _ 19.000 2392.7 2422.2 19.083 2351.9 2378.1 19.167 2314.0 2338.3 19.250 2278.4 2301.2 19.333 2244.4 2266.2 19.417 2211.6 2232.6 19.500 2181.2 2200.7 19.583 2153.2 2171.1 19.667 212.6.9 2143.8 19.750 2101.7 2117.9 19.833 2077.5 2093.0 19.917 2054.0 2069.1 20.000 2030.6 2045.6 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 8.10 TO NODE 8.00 IS CODE = 1 > > > > >UNIT- HYDROGRAPH ANALYSIS <<<<< �, (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .235 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 35.448 WATERCOURSE LENGTH = 8600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 6100.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 105.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 512.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .197 LOW LOSS FRACTION = .196 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .52 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.07 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.44 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.65 SPECIFIED PEAK 6 - HOUR RAINFALL(INCH) = 3.92 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 8.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .753 30- MINUTE FACTOR = .753 1 -HOUR FACTOR = .753 3 -HOUR FACTOR = .961 6 -HOUR FACTOR = .979 24 -HOUR FACTOR = .989 RUNOFF HYDROGRAPH LISTING LIMITS: 4W MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 2.382 147.512 2 15.406 806.441 3 39.770 1508.628 4 68.124 1755.654 5 85.719 1089.503 6 93.893 506.132 �°` 7 97.495 223.023 8 98.579 67.097 9 99.239 40.895 �• 10 99.696 28.269 11 99.924 14.135 12 100.000 4.711 TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 69.7862 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 301.3945 poh dleft Med IMO RIM ;rw wr . = = _____________== = = == = = = == = = = = =u = == = = ==.s = = = == === 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H = ==_____ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 250.0 500.0 750.0 1000.0 15.083 160.3365 305.13 . . 0 .V . 15.167 162.4716 310.02 . . 0 .V . _ 15.250 164.6431 315.29 . . Q .V . 15.333 166.8552 321.20 . . Q . V . 15.417 169.0864 323.97 . . Q . V . . 15.500 171.2298 311.22 . . Q . V . 15.583 173.1741 282.32 .0 . V • 15.667 174.8977 250.27 Q V . 15.750 176.5408 238.57 Q. V . -- 15.833 178.2346 245.94 . Q. V . 15.917 180.0763 267.41 . (74 V . 16.000 182.2357 313.54 . 0 V . 16.083 185.2216 433.55 . . Q V . 16.167 190.0688 703.81 . V Q . • 16.250 196.5298 938.14 . . V 0 . 16.333 203.1825 965.98 . . . V 0 . 16.417 207.9865 697.53 . 0 • 16.500 211.2468 473.40 . . Q . V . . 16.583 213.8121 372'.48 . . Q . V . . 16.667 216.1168 334.65 . Q V . . 16.750 218.3943 330.70 . Q . V . . 16.833 220.6181 322.88 . . Q . V. . 16.917 222.7625 311.38 . . Q . V. . 17.000 224.8281 299.92 . .0 V. . 17.083 226.8223 289.54 . .Q V . 17.167 228.7130 274.54 . Q V - 17.250 230.4518 252.47 0 V . 17.333 232.0209 227.84 Q. . V . 17.417 233.4692 210.29 . Q . . V . 17.500 234.8412 199.21 . Q . . .V . 17.583 236.1602 191.52 . 0 . . •V . 17.667 237.4405 185.90 Q . . .V . 17.750 238.6868 180.96 . Q . . .V . 17.833 239.9023 176.50 . Q . . . . 17.917 241.0903 172.49 . Q . .V . 18.000 242.2533 168.87 0 . . V . ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE B.10 TO NODE 8.00 IS CODE = 11 )))))VIEW STREAM NUMBER '3 HYDROGRAPH((((< - - - - = == =___== == __= =__ =__= == = STREAM HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 1625.0 3250.0 4875.0 6500.0 14.083 2111.7840 3142.28 . VQ. . 14.167 2133.7870 3194.87 . VQ. • 14.250 2156.3590 3277.47 V 0 • 14.333 2179.7430 3395.28 . V Q . 14.417 2204.0730 - 3532.71 . V . Q ..... . ... - - 14.500 2229.3010 3663.17 . . V. Q . . - 14.583 2255.2400 3766.27 . . V. Q . . = 14.667 2281.7260 3845.78 . . V. Q . . 14.750 2308.6820 3914.06 . . V Q . . - 14.833 2336.0710 3976.94 . . V Q . . 14.917 2363.8650 4035.73 . . V Q . . ^M 15.000 2392.0400 4090.89 . . V Q . . 15.083 2420.5770 4143.61 . . .V Q . . "o 15.167 2449.4740 4195.87 . . .V Q . . m 15.250 2478.7060 4244.41 . . .V Q . . 15.333 2508.1860 4280.50 . . .V Q . . = 15.417 2537.7950 4299.23 . . . V Q . . 15.500 2567.3270 4288.13 . . . V Q . . me 15.583 2596.4940 4234.98 . . . V Q . . "� 15.667 2624.9260 4128.36 . . . V Q . . 15.750 2652.2750 3971.00 . . . VQ . . mo 15.833 2678.6000 3822.36 . . . Q . . 15.917 2704.5680 3770.58 . . . Q . . WI 16.000 2731.0980 3852.24 . . . Q . . m 16.083 2759.8530 4175.10 . . . V Q . . 16.167 2793.7050 4915.44 . . . V Q . °o 16.250 2833.6850 5805.02 . . . V . Q . 16.333 2877.9840 6432.29 . . . V . Q. "w 16.417 2922.3470 6441.50 . . . V . Q. 16.500 2963.5840 5987.61 . . . V . Q . m 16.583 3000.4600 5354.41 . . . V . 0 . 411 16.667 3033.8500 4848.22 . . . V Q. . 16.750 3065.3260 4570.26 . . . V 0 . . ~e1 16.833 3095.7560 4418.38 . . . VQ . . 16.917 3125.6170 4335.95 . . . QV . . me 17.000 3155.1750 4291.73 . . . QV . . 17.083 3184.4900 4256.50 . . . QV . . mo 17.167 3213.4610 4206.61 . . . Q V . . 411 17.250 3241.9480 4136.38 . . . Q V . . 17.333 3269.8930 4057.63 . . . 0 V . . m 17.417 3297.3430 3985.75 . . . 0 V . . 17.500 3324.3440 3920.48 . . . 0 V . . 410 17.583 3350.8460 3848.08 . . . 0 V. . ~o 17.667 3376.6910 3752.81 . . . Q V. . 17.750 3401.8190 3648.51 . . . 0 V. . AV 17.833 3426.2790 3551.56 . . .0 V. . 17.917 3450.1130 3460.68 . . .0 V. . m. 18.000 3473.3890 3379.69 . . 0 V . = 18.083 3496.1840 3309.90 . . 0 V . 18.167 3518.5380 3245.83 . . Q. V . m. 18.250 3540.4470 3181.19 . . Q. V . 18.333 3561.8780 3111.81 . . Q. V . m 18.417 3582.7960 3037.24 . . 0 . .V . 18.500 3603.1950 2961.92 . . Q . .V . m. 18.583 3623.0990 2890.06 . . Q . .V . MI 18.667 3642.5240 2820.54 . . 0 . ,V . 18.750 3661.4650 2750.18 . . 0 . .V . 101 18.833 3679.9210 2679.78 . . 0 . ,V , 18.917 3697.9330 2615.37 . . 0 . . V . m 19.000 3715.5730 2561.29 . . 0 . . V . == .1 END OF FLOOD ROUTING ANALYSIS . . -= c c FUSCOE WILUAMS LINDGREN & SHORT APPENDIX V Etiwanda / San Sevaine Watersheds To Downstream Of Foothill Blvd. E E c c E 1 ********************************************* * * * * * * * * * * * * * * * * * * * ** * * * * * * * * *1 F L O O D R O U T I N G A N A L Y S I S USING ORANGE /SAN BERNARDINO COUNTY UNIT - HYDROGRAPH (1986 MANUAL) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 3.OA Release Date: 7/21/88 Serial # 2124 Analysis prepared by Fuscoe, Williams, Lindgren & Short * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * ETIWANDA / SAN SEVAINE DRAINAGE AREAS TO FOOTHILL, WITH DIVERSION OF * ETIWANDA FLOWS TO SAN SEVAINE BASIN NO 5. MAXIMUM FLOWBY OF ETIWANDA * FLOWS = 3100 cfs (MINIMAL DIVERSION). DEPTH /AREA FACTORS FOR A =21165 AC ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: C : \ESS \DIV \SSEDIV8.DAT TIME /DATE OF STUDY: 16:15 2/ 4/1989 ******************************************** * * * * ** ** * * * * * * * * * * * * * * * * * * * * *** FLOW PROCESS FROM NODE 1.00 TO NODE 1.00 IS CODE = 1 > > >> )UNIT- HYDROGRAPH ANALYSIS(( < << • (UNIT - HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .456 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 18.290 WATERCOURSE LENGTH = 16200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3520.000 FEET BASIN FACTOR = .040 WATERSHED AREA = 1262.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .850 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .149 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .293 LOW LOSS FRACTION = .126 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .68 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.40 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.86 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 4.00 SPECIFIED PEAK 6 -HOUR RAINFALL (INCH) = 6.50 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 16.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR _ _. . , 983 ......._ . - -: - , ;...x -.... -_. -_ .._._.._.._._. -_._. ._..u_..... ._e.....c._ ,.,...�_e.a...........•._.. ..... ._.. .... -., �. ,...... .. ... a. �J'... 4... i. rs ....w....+r4rv.4....r..m.._..e. '�'..F �s._Car.+,i...'uY. _..aa4:. }'I.li..:: =.... .... -... .>_....... 6 -HOUR FACTOR = .947 24 - HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 14.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.307 199.514 2 4.877 544.894 3 10.431 847.671 4 18.518 1234.195 5 29.731 1711.427 6 49.104 2956.648 7 60.090 1676.788 8 66.654 1001.738 9 71.602 755.203 10 75.648 617.529 11 79.021 514.881 12 81.880 436.329 13 84.347 376.412 14 86.493 327.658 15 88.320 278.860 16 89.928 245.390 17 91.341 215.639 18 92.538 182.693 19 93.529 151.229 20 94.385 130.676 21 95.128 113.351 �2 95.727 91.408 23 96.133 61.979 24 96.435 46.039 25 96.733 45.575 26 97.005 41.462 27 97.270 40.480 28 97.516 37.596 29 97.747 35.171 30 97.976 34.989 31 98.203 34.616 32 98.427 34.137 33 98.650 34.113 34 98.855 31.307 35 98.926 10.859 36 98.997 10.758 37 99.063 10.130 38 99.129 10.019 39 99.192 9.567 40 99.247 8.406 41 99.301 8.347 42 99.359 8.761 43 99.419 9.178 44 99.478 9.003 45 99.514 5.529 46 99.541 4.167 47 99.569 4.157 48 99.596 4.158 49 99.623 4.157 50 99.650 4.167 51 99.678 _..._....... 4.157 - ' • `- �' � . `� ' ^� ' ~ �` � � � ` � ^ 52 99.705 4.157 ~~ 53 99.732 4.158 54 99.759 4.157 = 55 99.786 4.051 ~� 56 99.802 2.437 57 99.815 1.973 ^� 58 99.828 1.962 59 99.840 1.953 60 99.854 2.030 "mm 61 99.867 1.953 62 99.879 1.952 63 99.892 1.953 64 99.905 1.953 = 65 99.918 1.953 66 99.931 1.952 67 99.943 1.953 ~~ 68 99.956 1.953 69 99.969 1.952 70 99.982 1.953 71 99.994 1.953 72 100.000 .840 TOTAL SOIL-LOSS VDLUME(ACRE-FEET) = 203.7497 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1429.3810 � _ � ~~ �� 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = = =_ =__ == = = =___ = = =_= = HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 475.0 950.0 1425.0 1900.0 14.083 687.6325 996.67 . . VQ . 14.167 694.6420 1017.77 . V.0 . 14.250 701.8466 1 046.12 . V. Q 14.333 709.3131 1084.13 . . V. Q . 14.417 717.1172 1133.15 . . V Q . 14.500 725.4716 1213.06 . . V Q . 14.583 734.1300 1257.20 . • V Q . 14.667 742.9584 1281.88 . . V Q . 14.750 751.9070 1299.35 . . .V Q . 14.833 760.9432 1312.05 . . .V Q • . 14.917 770.0437 1321.38 . . .V Q . 15.000 779.1871 1327.63 . . .V Q . 15.083 788.3601 1331.91 . . . V Q . . 15.167 797.5466 1333.88 . . . V 0 . • 15.250 806.7354 1334.21 . . . V Q . . 15.333 815.9125 1332.52 . . . V Q . . - 15.417 825.0028 1319.92 . . . V Q . 15.500 833.8792 1288.85 . . . V Q . • 15.583 842.4456 1243•.86 . . . V Q . 15.667 850.5838 1181.67 . . . VQ • 15.750 858.1664 1101.00 . . QV . . 15.833 864.8214 966.29 . . Q V . 15.917 871.0908 910.32 Q. V 16.000 877.3641 910.89 . . Q. V . 16.083 884.1625 987.12 Q V 16.167 891.8409 1114.91 QV 16.250 900.3733 1238.90 . . . VQ . 16.333 909.9683 1393.19 . . . V Q. . 16.417 920.6721 1554.20 . . . V . Q . 16.500 933.2026 1819.43 . . V . Q . 16.583 943.2056 1452.43 . . . V Q . 16.667 951.8580 1256.33 . . Q . 16.750 960.2078 1212.39 . . . QV . 16.833 969.0352 1281.73 . . . QV . 16.917 978.1129 1318.09 . . . Q . 17.000 987.3212 1337.05 . . . VQ . . 17.083 996.6046 1347.94 . . . VQ . . 17.167 1005.8930 1348.61 . . Q . . 17.250 1015.1100 1338.44 . . Q . . 17.333 1024.1890 1318.17 . . QV . . 17.417 1033.0150 1281.58 . . . Q V . . 17.500 1041.3260 1206.76 . . . Q V. 17.583 1049.3110 1159.38 . . . Q V. . 17.667 1057.0870 1129.11 . . . Q V. . 17.750 1064.6890 1103.82 . . 0 V. . 17.833 1072.1200 1079.02 . . 0 V . 17.917 1079.3810 1054.27 . . . 0 V . 18.000 1086.5090 1034.96 . . .0 V . ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1.00 TO NODE 401.00 IS CODE = 5 > > > > > MODEL CHANNEL ROUTING BY THE CONVEX THOD(< < < < _ _ _ .._ _... n.. ... ._..._ ........_. . >.','...was a.c .... .,._...... :c. .:.::.:: ti:. ... -. .._ .. .. .... ...., ......... n ... ........... r._ ... .n,r ... a .t_.....,,,a ..s'G:,a.aa.• . o ..+rw.uvv.r .rq ...M .. THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: PASEWIDTH(FT) = 20.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1960.00 DOWNSTREAM ELEVATION = 1510.00 CHANNEL LENGTH(FT) = 7000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 1819.43 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1160.13 CHANNEL NORMAL VELOCITY FOR Q = 1160.13 CFS = 34.40 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .953 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .985 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS)' (CFS) 15.083 1331.9 1329.1 15.167 1333.9 1332.6 15.250 1334.2 1334.0 15.333 1332.5 1333.6 15.417 1319.9 1328.1 15.500 1288.8 1309.2 15.583 1243.9 1273.5 15.667 1181.7 1222.7 15.750 1101.0 1154.2 15.833 966.3 1054.9 15.917 910.3 948.2 16.000 910.9 911.1 16.083 987.1 937.4 16.167 1114.9 1030.9 16.250 1238.9 1156.8 16.333 1393.2 1291.4 16.417 1554.2 1447.7 16.500 1819.4 1644.9 16.583 1452.4 1688.9 16.667 1256.3 1387.8 16.750 1212.4 1243.1 16.833 1281.7 1237.0 16.917 1318.1 1293.7 17.000 1337.0 1324.3 17.083 1347.9 1340.6 17.167 1348.6 1348.1 17.250 1338.4 1345.1 17.333 1318.2 1331.5 17.417 1281.6 1305.6 17.500 1206.8 1255.9 17.583 1159.4 1191.0 17.667 1129.1 1149.3 17.750 1103.8 1120.6 17.833 1079.0 1095.4 17.91 ... 1054.3 ...-- ..... 1070.7 _._... _ ._ :> _ ...._:_.�. .._. k ._ Si> vw e'.sr': ;.s'S:a: sT: .`• r+::v;:F'.� Kv:1at.::::: y x 18.000 1035.0 1047.8 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *, FLOW PROCESS FROM NODE 401.00 TO NODE 401.00 IS CODE = 1 >> > > >UNIT- HYDROGRAPH ANALYSIS((((< (UNIT - HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .405 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 20.588 WATERCOURSE LENGTH = 21200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 10500.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3690.000 FEET BASIN FACTOR = .029 WATERSHED AREA = 2416.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .300 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .500 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .190 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .010 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) _ .314 LOW LOSS FRACTION = .188 * HYDROGRAPH MODEL' #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .65 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.36 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.78 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.55 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 5.68 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 12.90 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 14.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.499 437.989 2 5.885 1281.630 3 14.168 2420.052 4 25.681 3364.019 5 41.937 4749.697 6 57.979 4687.292 7 67. 56a .. :. 2600.442 • ^ 8 74.288 1964.859 -~ 9 79.130 1414.491 = 10 82.819 1078.076 11 85.633 822.094 ~~ 12 87.857 649.759 13 89.552 495.372 ~- 14 90.980 417.365 15 92.241 368.205 °= 16 93.324 316.546 . 17 94.242 268.074 18 94.935 202.701 . 19 95.521 171.233 20 95.991 137.285 . 21 96.3()4 91.549 22 96.599 85.958 ~� 23 96.875 80.681 ~~ 24 97.140 77.598 25 97.387 72.063 . 26 97.610 65.286 27 97.832 64.798 ~- 28 98.048 63.017 _~ 29 98.261 62.364 30 98.469 60.601 ~"' 31 98.600 38.340 32 98.704 30.324 ~~ 33 98.801 28.447 ~� 34 98.897 28.030 35 98.985 25.743 36 99.065 23.469 37 99.147 23.828 38 99.234 7 5.542 39 99.322 25.616 40 99.379 16.659 - 41 99.418 11.438 42 99.457 11.429 - 43 99.497 11.438 44 99.536 11.418 45 99.575 11.438 . 46 99.614 11.418 47 99.653 11.44() 48 99.692 11.438 49 99.729 10.849 50 99.751 6.362 51 99.770 5.392 ~~ 52 99.788 5.350 . 53 99.806 5.435 54 99.827 6.026 Mit 55 99.846 5.435 56 99.864 5.435 . 57 99.883 5.435 . 58 99.901 5.435 59 99.920 5.435 . 60 99.939 5.435 61 99.957 5.435 "mo 62 99.976 5.437 63 99.994 5.435 ~= 64 100.000 1.621 Mill NOR TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 466.5886 . TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2054.2310 . . rq _ = = __ 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H == = = = = =__= = = HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 775.0 1550.0 2325.0 3100.0 14.083 961.8555 1531.90 . . VQ. . 14.167 972.6489 1567.20 . . V Q . 14.250 983.8247 1622.74 . . VQ . 14.333 995.4938 1694.36 . . V.0 . 14.417 1007.8160 1789.25 . . V. 0 . 14.500 1020.7680 1880.62 . . V. Q . 14.583 1034.0940 1934.80 . . V 0 . 14.667 1047.6760 1972.13 . . V Q . 14.750 1061.4380 1998.25 . . V Q . . 14.833 1075.3320 2017.38 . . V Q . 14.917 1089.3200 2031.10 . . .V Q . 15.000 1103.3770 2041.05 . .V 0 . 15.083 1117.4790 2047.64 . . .V Q . r 15.167 1131.6130 2052.33 . . . V 0 ._ . 15.250 1145.7710 2055.63 . . . V Q . 15.333 1159.9400 2057.39 . . . V 0 . -- 15.417 1173.9890 2039.97 . . . V 0 . 15.500 1187.6770 1987.52 . . V Q . 15.583 1200.7040 1891.43 . . . VO . 15.667 1212.8470 1763.13 . . . QV 15.750 1223.8010 1590.65 . . Q V . 15.833 1233.7210 1440.29 . . Q . V . . 15.917 1243.3540 1398.83 . . 0 . V . . 16.000 1253.2380 1435.05 . . 0 . V . 16.083 1264.5340 1640.26 . . .Q V . 16.167 1278.1390 1975.38 . . VQ . 16.250 1294.4930 2374.67 . . . V Q . 16.333 1313.0170 2689.64 . . . V 0 . 16.417 1333.7150 3005.38 . . . V Q . 16.500 1353.6500 2894.49 . . . V Q . 16.583 1369.9680 2369.43 . • V Q . 16.667 1384.7350 2144.21 . . VO . 16.750 1399.1030 2086.17 . . . QV . 16.833 1413.6770 2116.19 . • . Q . 16.917 1428.2600 2117.36 . . • 0 . 17.000 1442.8670 2121.02 . . QV . • 17.083 1457.4120 2111.97 . . . QV . . 17.167 1471.8650 2098.50 . • . QV . . 17.250 1486.0750 2063.25 . . . Q V . 17.333 1499.8630 2002.03 . . Q V. - 17.417 1512.9970 1907.08 . . Q V. - 17.500 1525.4160 1803.22 . . 0 V. • 17.583 1537.3760 1736.68 . . Q V. . 17.667 1548.9630 1682.40 . .Q V • 17.750 1560.22 30 1634.93 . . 0 V - 17.833 1571.2540 1601.76 • 0 V . 17.917 1582.0950 1574.11 . 0 V . 18.000 1592.7680 1549.64 . Q. .V • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 401.10 TO NODE 401.00 IS CODE = 1 > > >> > UN I T- HYDROGRAPH ANALYSIS < <( ( <. _ _, (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .159 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 52.326 WATERCOURSE LENGTH = 7200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 3900.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 460.000 FEET BASIN FACTOR = .020 mm WATERSHED AREA = 354.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY (DEVELOPED) S- GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .482 LOW LOSS FRACTION = .381 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .60 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.22 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.62 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.10 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.75 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "5U GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 4.863 208.184 2 32.371 1177.663 3 71.786 1687.434 4 91.584 847.614 5 97.632 258.923 6 98.990 58.126 7 99.518 22.615 8 99.807 12.377 9 99.952 6.189 10 100.000 2.063 m. TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 117.7089 AO TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 197.2787 2 4 - H O U R S T O R M - R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) 0 (CFS) 0. 150.0 300.0 450.0 600.0 15.083 111.7009 201.39 . . 0 . V . 15.167 113. 0880 201.41 . . 0 . V . 15.250 . '50 114.4752 4752 201.43 . 0 . V • �" 15.333 115.8626 201.45 . . 0 . V - AW 15.417 117.2139 196.20 . . 0 . V • 15.5 00 118.3614 166.62 . .0 V . 15.583 119. ''79 125.8' . 0 . . V . 15.667 119.9852 109.96 . 0 . . V . . 15.75 0 120. 7563 111.96 . 0 . V . 15.833 121.5898 121.02 . 0 . V . 15.917 122.5256 135.88 0. • V - .. 16.000 123. 6680 165.88 . .0 . V . 16.083 125.4434 257.79 . . 0 . V . 16.167 128.8499 494.61 . V • 0 16.250 132.8768 584.71 . . V . 0 . 16.333 135.3539 359.68 . . 0 V - 16.417 136.7209 198.49 . . 0 . V • • 16.500 137.8213 159.78 . 0 V • • 16.583 139.0781 182.49 . . 0 V . • 16.667 140.4367 197.27 0 • V . • 16.750 141.8213 201.04 . . 0 • V . • - 16.833 143.2060 201.07 . 0 . V. - 16.917 144. 5900 200. 94 . 0 • V. • - 17.000 145.9752 201.14 . . 0 . V. - 17.083 147. 3420 198.45 . . 0 . V. - 17.167 148.5991 182.53 . . 0 . V 17 . '50 149. 6933 158.87 0 . V 17.333 150. 6941 145.32 . 0. V - 17.417 151. 6530 139.23 . 0. . V 17.500 152. 5888 135.88 0. V 17.583 153.5059 133.16 . 0 . .V 17.667 154.4064 130.75 0 . . •V • 17.750 155.2919 128.58 . 0 . . „ 17.833 156. 1638 126.60 . 0 . • V • 17.917 157.0232 124.78 0 . .V air 18.000 157. 8707 123.07 0 . . V - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 401.00 TO NODE .43 IS CODE = 3 )))))MODEL FLOW- THROUGH DETENTION BASIN ROUTING <( <(( nor . ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 THROUGH A FLOW - THROUGH DETENTION BASIN . USING FIVE- MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: DEAD STORAGE (AF) = .000 . SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 2 .10 1000.00 .500 3 3.00 1189.00 15.000 4 10.00 1681.00 41.300 5 20.00 2202.00 256.300 6 30.00 2620.00 471.300 7 40.00 2981.00 686.300 INFLOW (STREAM 1) V _ effective depth (and volume) -- i • ; 1 V detention 1 (- -) 0 outflow basin 1 t A ; storage 1 basin outlet V - OUTFLOW (STREAM 1) = ==_-==-====- -= = BASIN ROUTING MODEL RESULTS(5- MINUTE INTERVALS): TIME DEAD- STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 15.083 .000 3578.1 19.55 2167.0 246.718 15.167 .000 3586.3 20.00 2190.4 256.331 15.250 .000 3591.0 20.44 2211.3 265.834 15.333 .000 3592.5 20.88 2229.7 275.219 15.417 .000 3564.3 21.30 2247.6 284.288 15.500 .000 3463.4 21.69 2264.4 292.545 15.583 .000 3290.7 22.01 2279.2 299.511 15.667 .000 3095.7 22.27 2291.4 305.051 15.750 .000 2856.8 22.45 2300.5 308.882 15.833 .000 2616.2 22.54 2306.3 311.017 15.917 .000 2482.9 22.60 2309.5 312.210 16.000 .000 2512.0 22.66 2312.0 313.588 16.083 .000 2835.5 22.83 2316.8 317.159 16.167 .000 3500.8 23.21 2328.2 325.236 16.250 .000 4116.2 23.77 2347.9 337.414 16.333 .000 4340.7 24.40 2372.9 350.966 16.417 .000 4651.5 25.12 2401.1 366.465 16.500 .000 4699.2 25.85 2431.4 382.084 16.583 .000 4240.9 26.42 2458.5 394.359 16.667 .000 3729.3 26.82 2478.8 402.971 16.750 .000 3530.3 27.15 2494.1 410.108 16.833 .000 3554.3 27.49 2508.0 417.313 16.917 .000 3612.0 27.84 2522.3 424.818 17.000 .000 .3646.5 28.19 2537.1 432.458 17.083 .000 3651.1 28.55 2551.8 440.029 17.167 .000 3629.1 28.89 2566.3 447.348 17.250 .000 3567.2 29.20 2580.0 454.147 17.333 .000 3478 29.49 . • 2592.6 ....,; 460.250 _. ...... �..... av .r... ....... .. .... ...•.s. ws`a.... .u.s.r .4..i...u.... .a.... . .'...L .a. ..M.:..... 2'. f¢. - .. ..aL.. .:w. +.. ..._ .s_.. ..... nF: - - �, L... x.1: ._ _.+y'a_. ..- .mod -.... ..'.... 17.417 .000 3351.9 29.73 2603.5 465.405 17.500 .000 3195.0 29.91 2612.4 469.417 17.583 .000 3060.9 30.05 2619.1 472.459 17.667 .000 2962.5 30.16 2623.9 474,791 17.750 .000 2884.1 30.24 2627.3 476.559 17.833 .000 2823.8 30.31 2630.0 477.894 17.917 .000 2769.5 30.35 2631.9 478.843 18.000 .000 2720.5 30.38 2633.2 479.444 18.083 .000 2671.9 30.39 2633.9 479.706 18.167 .000 2613.4 30.38 2634.0 479.563 18.250 .000 2541.1 30.35 2633.3 478.928 18.333 .000 2460.3 30.30 2631.8 477.747 18.417 .000 2363.6 30.21 2629.3 475.917 18.500 .000 2261.4 30.10 2625.6 473.408 18.583 .000 2171.8 29.95 2620.8 470.315 18.667 .000 2106.5 29.79 2614.7 466.815 18.750 .000 2055.7 29.61 2607.6 463.014 18.833 .000 2011.3 29.43 2599.9 458.960 18.917 .000 1968.9 29.23 2591.8 454.670 19.000 .000 1929.8 29.02 2583.3 450.170 19.083 .000 1898.2 28.80 2574.4 445.512 -• 19.167 .000 1869.3 28.58 2565.2 440.720 19.250 .000 1841.2 28.35 2555.8 435.798 19.333 .000 1811.7 28.11 2546.1 430.741 19.417 .000 1784.9 27.87 2536.1 425.567 19.500 .000 1761.5 27.63 2526.0 420.302 19.583 .000 1740.1 27.38 2515.7 414.961 19.667 .000 1719.4 27.13 2505.2 409.549 19.750 .000 1699.3 26.87 2494.6 404.072 19.833 .000 1679.6 26.62 2483.9 398.532 19.917 .000 1661.4 26.36 2473.1 392.942 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 42.00 TO NODE 41.00 IS CODE = 1 > > >> >UNIT - HYDROGRAPH ANALYSIS((( << (UNIT- HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .397 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 20.983 WATERCOURSE LENGTH = 19400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11100.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 1240.000 FEET BASIN FACTOR = .023 WATERSHED AREA = 1110.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .400 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .590 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .010 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .400 LOW LOSS FRACTION = .276 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .56 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.15 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.08 •4 o-. SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.78 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 12.50 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.327 178.074 2 5.283 531.115. 3 12.845 1015. 159 4 24.117 1513.128 5 42.726 2498.090 6 60.372 2368.837 7 70.938 1418.316 8 78'.188 973.235 9 83.265 681.526 10 87.049 508.091 11 89.787 367.432 12 91.869 279.586 13 93.369 201.350 14 94.654 172.443 15 95.770 149.824 16 96.717 127.098 17 97.465 100.513 18 97.994 70.906 19 98.408 55.578 20 98.677 36.211 21 98.835 21.178 22 98.989 20.607 23 99.123 18.082 24 99.255 17.637 25 99.353 13.231 26 99.451 13.155 27 99.549 13.138 28 99.647 13.099 29 99.744 13.089 30 99.841 13.005 31 99.930 11.984 32 99.936 .704 33 99.941 .676 34 99.946 .652 35 99.950 .571 36 99.954 .564 37 99.958 .604 38 99.963 .620 39 99.967 .492 40 99.969 .284 41 99.971 .282 42 99.973 .282 • 43 99.975_ ..... . 44 99.977 .282 ~= 45 99.979 .282 = 46 99.981 .283 47 99.984 .281 48 99.986 .273 49 99.987 .165 00 50 99.988 .133 51 99.989 .132 =° 52 99.990 .133 53 99.991 .149 54 99.992 .133 55 99.993 .134 56 99.994 .133 mm 57 99.995 .133 58 99.996 .134 '00 59 99.997 .133 mm 60 99.998 .133 61 99.999 .134 62 100.000 .133 63 100.000 .019 = ^� TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 305.5193 TOTAL STORM RUNOFF VOLUMECACRE-FEET) = 816.7773 = � *Mk Ale Wig wir AtM 401 . =w 24-HOUR STORM RUNOFF HYDROGRAPH 000 HYDROGRAPH IN FIVE-MINUTE %NTERVALS(CFS) As ow TIME(HRS) VOLUME(AF) Q(CFS) 0. 300.0 600.0 900.0 1200.0 . 15.083 457.2238 733.97 . . . V Q . . -' 15.167 462.2903 735.66 . . . V Q . . = 15.250 467.3647 736.80 . . . V Q . . 15.333 472.4432 737.41 . . . VQ . . °� 15.417 477.4861 732.23 . . . VQ . . 15.500 482.4201 716.42 . . . 0 • • . 15.583 487. 1534 687.26 . . . QV . . 15.667 491.5990 645.50 . . .0 V . . = 15.750 495.5827 578.44 . . Q. V . • ~ 15.833 499.1706 520.95 . . Q . V . . 15.917 502.6198 500.84 . . 0 . V . . ^- 16.000 506. 1080 506.48 . . Q . V . . 16.083 510.0237 568.57 . . 0 . V . . 16.167 514.7073 680.06 . . . 0 V . . ~ 16.250 520. 4083 827.78 . . . V 0 . . 16.333 527.1058 972.48 . . . V . 0 . ` 16.417 535.1757 1171.74 . . . V . Q. 16.500 542.8324 1111.76 . . . V . 0 . - 16.583 548.9609 889.85 . . . V Q. . 16.667 554.3898 788.28 . . . QV . . ~ 16.750 559.6195 759.35 . . . 0 V . . =~ 16.833 564.8865 764.77 . ~ . 0 V . . 16.917 570.1190 759.75 . . . 0 V . . -~ 17.000 575.3452 758.85 . . . 0 V . . 17.083 580.5338 753.39 . . . 0 V . . ~~ 17.167 585.6946 749.35 . . . 0 V . . , 17.250 590.7587 735.32 . . . 0 V . . 17.333 595.6486 710.01 . . . 0 V. , - 17.417 600.2250 664.48 . . . 0 V. . 17.500 604.4806 617.91 . . 0 V. . 17.583 608.5279 587.67 . . Q. V. . ~~ 17.667 612.4059 563.08 . ~ 0 . V. . 17.750 616.1511 543.81 . . 0 . V . .. 17.833 619.7998 529.78 . . 0 . V . 17.917 623.3643 517.57 . . 0 . V . . 18.000 626.8574 507.20 . . 0 . V . . .0 **************************************************************************** FLOW PROCESS FROM NODE 41.00 TO NODE 41.00 IS CODE = 1 .0 >>>>>UNIT-HYDROGRAPH ANALYSIS<<((< Al .0 (UNIT-HYDROGRAPH ADDED TO STREAM #2) . WATERCOURSE "LAG" TIME = .304 HOURS = 0. UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG-TIME = 27.372 =° WATERCOURSE LENGTH = 14400.000 FEET . LENGTH FROM CONCENTRATION POINT TO CENTROID = 7000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 1900.000 FEET BASIN FACTOR = .027 WATERSHED AREA = 899.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .200 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .790 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .010 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .276 LOW LOSS FRACTION = .163 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .61 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.25 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.66 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.34 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 5.20 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 13.14 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 • RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.872 203.485 2 8.108 678.043 3 19.891 1281.051 4 43.414 2557.525 5 63.665 2201.724 6 73.973 1120.721 7 80.708 732.230 8 85.519 523.097 9 89.006 379.160 10 91.604 282.407 11 93.652 222.635 12 95.301 179.357 13 96.551 135.912 14 97.505 103.723 15 98.172 72.444 16 98.506 36.314 17 98.767 28.419 18 98.996 24.861 19 99.196 21.801 20 99.395 21.636 21 99.594 21.578 22 99.792 21.508 • 23 99.980 20.498 24 99.984 .413 25 99.987 .331 26 99 , 990 _ _ .298 27 99.993 .297 28 99.995 .298 = 29 99.998 .298 30 100.000 .216 *kW TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 153.6544 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 801.7888 �u `.. "- ~° ~~ .01R �NO � AI% 401% 40 �m _ .... ........__......... ... _+.-...._. ii........_...... as._..-.. a r....-... : f'. L._.:.. LJ. rr. kn... . wtttw.....: t: J�. .>r.r�i...>.._v..f..e "r`..e'_r .,. u.+xv ._,..ti .au 2 4 - O U R S T O R U N O F F H Y D R 0 G HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 325.0 650.0 975.0 1300.0 15.083 453.7338 756.56 . . . VQ . 15.167 458.9454 756.72 . . . VQ . 15.250 464.1525 756.07 . . Q 15.333 469.3482 754.41 . . . Q . 15.417 474.4769 744.69 . . . QV . 15.500 479.4146 716.96 . . . QV . 15.583 484.0141 667.84 . . Q V . 15.667 487.9651 573.70 . Q V . 15.750 491.4112 500.37 . Q . V . . -- 15.833 494.7049 478.24 . . 0 V . . 15.917 498.0170 480.92 . Q V . 16.000 501.5255 509.42 . . 0 V . 16.083 505.7144 608.24 . . 0 . V 16.167 511.1441 788.39 . . . QV . 16.250 517.9734 991.62 . . . V 0 . 16.333 526.7100 1268.55 . . . V Q. -- 16.417 534.4899 1129.65 . . V . Q . 16.500 540.2506 836.45 . QV . 16.583 545.2869 73f.26 . . . Q V . . 16.667 550.3525 735.53 . . Q V . 16.750 555.5854 759.82 . . Q V . . 16.833 560.8575 765.51 . . . Q V . . 16.917 566.1628 770.33 . . . Q V . . --- 17.000 571.4919 773.79 . . Q V . . 17.083 576.7902 769.32 . . Q V . . 17.167 581.9861 754.44 . . . Q V. . 17.250 586.9792 725.00 . . Q V. . 17.333 591.5717 666.82 . Q V. . 17.417 595.8344 618.95 . . Q. V. . 17.500 599.9119 592.06 . . Q . V. . 17.583 603.8506 571.91 . . . Q V . 17.667 607.6744 555.21 . Q V . 17.750 611.4010 541.10 . Q V . 17.833 615.0411 528.54 Q . V . 17.917 618.5989 516.60 . Q . V . 18.000 622.0557 501.92 0 . .V . ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 41.00 TO NODE 41.10 IS CODE = 5 > > > > >MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( THE MODIFIED C- ROUTING COEFFICIENT IS. ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce) . ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 20.00 CHANNEL Z = 2.00 UPSTREAM ELEVATION = 171000 DOWNSTREAM ELEVATION = 1600.00 CHANNEL LENGTH(FT) = 3700.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2301.39 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 1495.48 CHANNEL NORMAL VELOCITY FOR Q = 1495.48 CFS = 27.34 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .941 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .995 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) (HRS) (CFS) (CFS) 15.083 1490.5 1489.1 15.167 1492.4 1491.6 15.250 1492.9 1492.7 15.333 1491.8 1492.3 15.417 1476.9 1483.3 15.500 1433.4 1452.0 15.583 1355.1 1388.6 15.667 1219.2 1277.4 15.750 1078.8 1139.1 15. B33 999.2 1033.5 15.917 981.8 989.4 16.000 1015.9 1001.3 16.083 1176.8 1108.0 16.167 1468.4 1343.5 16.250 1819.4 1668.9 16.333 2241.0 2060.2 16.417 2301.4 2274.8 16.500 1948.2 2099.0 16.583 1621.1 1761.6 16.667 1523.8 1566.0 16.750 1519.2 1521.3 16.833 1530.3 1525.5 16.917 1530.1 1530.1 17.000 1532.6 1531.5 17.083 1522.7 1526.9 17.167 1503.8 1511.9 17.250 1460.3 1478.9 17.333 1376.8 1412.6 17.417 1283.4 1323.5 17.500 1210.0 1241.5 17.583 1159.6 1181.3 17.667 1118.3 1136.0 17.750 1084.9 1099.3 17.833 1058.3 1069.7 17.917 1034.2 1044.5 18.000 1009.1 1019.9 18.083 989.5 997.9 18.167 970.9 978.9 18.250 951.4 959.8 18.333 928.4 938.3 18.417 906.1 915.7 18.500 887.8 895.7 18.583 872.1 878.9 18.667 856.3 863.1 18.750 844.4 849.5 18.833 833.4 838.1 1.8.91 823.2 . 627.6 19.666 813.7 817.8 19.083 804.9 808.7 19.167 796.5 800.1 19.250 788.5 791.9 19.333 780.8 784.1 19.417 773.6 776.7 19.500 766.6 769.6 19.583 759.9 762.8 19.667 753.6 756.3 19.750 747.6 750.2 19.833 741.7 744.2 19.917 736.1 738.5 20.000 730.6 733.0 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *3 FLOW PROCESS FROM NODE 43.10 TO NODE 41.10 IS CODE = 1 > > >> )UNIT- HYDROGRAPH ANALYSIS((((( (UNIT- HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .226 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 36.905 WATERCOURSE LENGTH = 15500.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 7200.000 FEET ELEVATION VARIATIdN ALONG WATERCOURSE = 2490.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 1111.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .300 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .600 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .090 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .010 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .308 LOW LOSS FRACTION = .189 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .79 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.35 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.66 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.40 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 5.34 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.95 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 __________ _ = =_= = =--- -tea UNIT HYDROGRAPH DETERMINATION - INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 2.932 393.908 15.173 1644.725 3 40.880 3454.066 4 66.145 3394.679 = 5 78.206 1620.547 6 85.159 934.145 7 89.499 583.096 8 92.322 379.426 9 94.453 286.312 10 95.944 200.313 11 96.999 141.663 12 97.575 77.420 13 97.975 53.773 14 98.329 47.602 15 98.594 35.623 16 98.850 34.385 17 99.099 33.396 18 99.337 31.942 19 99.456 16.041 20 99.532 10.254 21 99.604 9.628 ' 22 99.678 9.988 23 99.721 5.782 24 99.755 4.459 25 99.788 4.466 26 99.821 4.460 27 99.854 4.464 28 99.880 3.500 29 99.896 2.112 30 99.912 2.161 31 99.928 2.112 32 99.943 2.112 33 99.959 2.112 34 99.975 2.112 35 99.991 2.112 36 100.000 1.262 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 198.2281 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 875.6055 -00 40 00 4 - H O U R S T O R M . R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) 0(CFS) 0. 500.0 1000.0 1500.0 2000.0 15.083 491.6041 930.90 . 0 . V 15.167 497.9962 928.13 . 0 . V . 15.250 504. 3654 924.81 . 0 • V 15.333 510.7091 921.11 . 0 . V - - 15.417 516.9030 899.34 . 0 V • 15.500 522.5619 821.68 . . 0 . V 15.583 527.1481 665.92 . . 0 . V 15.667 530. 7414 521.74 . Q V 15.750 533.9793 470.14 . O. . V 15.833 537.1511 460.55 0. V • • ri. 15.917 540.4825 483.72 . Q. V . • . 16.000 544.28E38 552.66 . .0 . V • 16.083 549.7879 798.47 . . 0 V `"" 16.167 558.8870 1321.19 . . VO . 16.250 572.0977 1918.19 . V . 0 16.333 584.5281 1804.89 . • V . 0 - . 16.417 592. 341'2 1134.47 . . 0 V • 16.500 598.4329 884.52 • 0 . V • 16.583 604.3457 858.54 . . 0 V 16.667 610.6034 908.61 . . 0 . V . 16.750 617.0317 933.39 . . 0 • V - 16.833 623.4916 937.98 . 0 • V • 16.917 629.9685 940.44 . . 0 . V a- 17.000 636.4139 935.88 . . 0 . V. . 17.083 642. 8485 934.30 . . 0 . V 17.167 649. 108'2 908.90 . . 0 • V • 17.250 654.8911 839.68 . . 0 V. - 17.333 660.1810 768.10 . . 0 . V 17.417 665.1990 728.61 . . 0 V 17.51 0 670. 0283 701.22 . . 0 V 17.583 674.6819 675.71 . 0 V - 17.667 679. '2137 658.01 . . G • V • 17.750 683. 6516 644.38 . . 0 • V . 17.833 688.01 18 633.11 . • 0 • V 17.917 692.2911 621.34 . . 0 . .V 18.000 696. 5061 612.02 . . 0 . • V ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** A. FLOW PROCESS FROM NODE 41.10 TO NODE 41.20 IS CODE = 3 > >)> )MODEL FLOW - THROUGH DETENTION BASIN ROUTING <<<<< au ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 2 THROUGH A FLOW - THROUGH DETENTION BASIN USING FIVE- MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: "` DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .U00 BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 2 1.66 91.32 1.120 3 2.66 185.25 5.000 4 4.66 429.54 18.000 5 6.66 733.90 42.250 6 7.66 905.25 55.000 7 9.66 1282.02 90.000 8 11.66 1700.00 122.250 9 13.66 2155.78 156.000 10 15.66 2646.16 190.000 11 17.66 3168.94 230.000 12 19.66 3722.23 270.000 13 21.66 4304.43 309.500 INFLOW (STREAM 2) V effective depth (and volume) i 1 V detention :( - - >t outflow basib A 1.\ storage 1 basin outlet V OUTFLOW (STREAM 2) =____ = == BASIN ROUTING MODEL RESULTS(5- MINUTE INTERVALS): TIME DEAD - STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 14.083 .000 1710.1 10.94 1541.3 110.583 14.167 .000 1775.5 11.03 1558.5 112.078 14.250 .000 1895.7 11.16 1582.2 114.237 14.333 .000 2040.4 11.34 1615.1 117.166 14.417 .000 2164.0 11.56 1656.8 120.660 14.500 .000 2259.4 11.79 1704.8 124.480 14.583 .000 2320.8 12.02 1756.4 128.367 14.667 .000 2359.2 12.25 1808.2 132.162 14.750 .000 2384.9 12.46 1858.3 135.788 14.833 .000 2401.7 12.66 1905.9 139.203 14.917 .000 2412.2 12.85 1950.4 142.383 15.000 .000 2417.8 13.03 1991.7 145.318 15.083 .000 2420.0 13.19 2029.7 148.006 15.167 .000 2419.7 13.33 2064.3 150.453 15.250 .000 2417.5 13.46 2095.8 152.668 15.333 .000 2413.4 13.58 2124.2 154.660 15.417 .000 2382.6 13.68 2148.7 156.271 15.500 .000 2273.7 13.72 2165.1 157.019 15.583 .000 2054.6 13.68 2165.0 156.258 15.667 .000 1799.2 13.53 2143.4 153.888 15.750 .000 1609.2 13.33 2104.2 150.478 15, .... .000 1494.0 _., ......, _2055.1 146.,614 _... ......._ _......... �._d...... _ ._. _ , ..x....,...__...._....a..v.: �..,....v...swy.._ �•:t�:.� .,.s�...a:.ar�....: :s;t,.:a- ��av�..:d,:' .. - - _...._._..:.:,�._w� 15.917 .000 1473.1 12.89 2004.3 142.955 16.000 .000 1554.0 12.72 1960.7 140.154 16.083 .000 1906.5 12.71 1940.2 139.922 16.167 .000 2664.7 12.99 1970.9 144.700 16.250 .000 3587.1 13.61 2073.6 155.124 16.333 .000 3865.1 14.27 2225.0 166.419 16.417 .000 3409.2 14.70 2358.2 173.657 16.500 .000 2983.5 14.92 2437.6 177.417 16.583 .000 2620.1 14.98 2472.0 178.437 16.667 .000 2474.6 14.98 2479.2 178.406 16.750 .000 2454.7 14.97 2477.8 178.247 16.833 .000 2463.5 14.96 2476.0 178.161 16.917 .000 2470.6 14.96 2475.2 178.129 17.000 .000 2467.4 14.96 2474.6 178.080 17.083 .000 2461.2 14.95 2473.6 177.995 17.167 .000 2420.8 14.93 2470.5 177.652 17.250 .000 2318.6 14.88 2461.0 176.671 17.333 .000 2180.7 14.77 2441.0 174.879 17.417 .000 2052.1 14.63 2410.3 172.412 17.500 .000 1942.8 14.45 2371.2 169.461 17.583 .000 1857.0 14.26 2326.6 166.227 - 17.667 .000 1794.0 14.07 2279.2 162.886 17.750 .000 1743.6 13.87 2230.9 159.530 17.833 .000 1702.9 13.67 2182.9 156.224 _ 17.917 .000 1665.9 13.48 2137.0 152.979 M 18.000 .000 1631.9 13.29 2093.5 149.800 18.083 .000 1598.5 13.11 2051.0 146.684 18.167 .000 1557.6 12.92 2009.0 143.575 18.250 .000 1500.9 12.73 1966.3 140.370 18.333 .000 1442.0 12.54 1922.4 137.061 18.417 .000 1397.3 12.34 1877.7 133.753 18.500 .000 1361.9 12.15 1833.4 130.506 18.583 .000 1333.3 11.96 1790.2 127.359 18.667 .000 1307.9 11.78 1748.5 124.325 18.750 .000 1285.7 11.61 1708.6 121.412 18.833 .000 1266.6 11.44 1671.1 118.626 18.917 .000 1249.2 11.27 1635.8 115.963 19.000 .000 1233.0 11.11 1602.1 113.422 19.083 .000 1217.8 10.96 1569.9 110.997 19.167 .000 1203.9 10.82 1539.2 108.688 19.250 .000 1190.7 10.68 1510.0 106.489 19.333 .000 1178.1 10.55 1482.2 104.395 19.417 .000 1166.0 10.43 1455.7 102.400 19.500 .000 1154.4 10.31 1430.4 100.499 19.583 .000 1143.3 10.20 1406.4 98.687 19.667 .000 1132.8 10.09 1383.4 96.962 19.750 .000 1122.8 9.99 1361.6 95.317 19.833 .000 1113.1 9.89 1340.8 93.749 19.917 .000 1103.7 9.80 1320.9 92.253 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 41.20 TO NODE 43.00 IS CODE = 5 ) >> ))MODEL CHANNEL ROUTING BY THE CONVEX METHOD(( <(< = == _________ _______________==_______________ THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 15.00 CHANNEL Z = 1.50 UPSTREAM � ELEVAT I ON = 1590.00 DOWNSTREAM ELEVATION = 1530.00 CHANNEL LENGTH(FT) = 3000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2479.16 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 1812.57 CHANNEL NORMAL VELOCITY FOR Q = 1812.57 CFS = 27.34 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .941 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .998 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) (HRS) (CFS) (CFS) 14.083 1541.3 1536.2 14.167 1558.5 1552.5 14.250 1582.2 1574.0 14.333 1615.1 1603.7 14.417 1656.8 1642.4 14.500 1704.8 1688.1 14.583 1756.4 1738.5 14.667 1808.2 1790.3 14.750 1858.3 1841.0 14.833 1905.9 1889.4 14.917 1950'.4 1935.0 • 15.000 1991.7 1977.4 15.083 2029.7 2016.5 15.167 2064.3 2052.3 15.250 2095.8 2084.9 15.333 2124.2 2114.4 15.417 2148.7 2140.2 15.500 2165.1 2159.4 15.583 2165.0 2165.0 15.667 2143.4 2150.8 15.750 2104.2 2117.8 15.833 2055.1 2072.1 15.917 2004.3 2021.9 16.000 1960.7 1975.8 16.083 1940.2 1947.3 16.167 1970.9 1960.3 16.250 2073.6 2038.1 16.333 2225.0 2172.6 16.417 2358.2 2312.1 16.500 2437.6 2410.1 16.583 2472.0 2460.1 16.667 2479.2 2476.7 16.750 2477.8 2478.3 16.833 2476.0 2476.6 16.917 2475.2 2475.5 17.000 2474.6 2474.8 17.083 2473.6 2474.0 17.167 2470.5 2471.6 17.250 2461.0 2464.3 17.333 2441.0 2447.9 17.417 2410.3 2420.9 17.500 2371.2 2384.7 17.583 2326.6 2342.0 17.667 2279.2 2295.6 17.750 2230.9 2247.6 17.833 .._:... ...- 2182.9 2199.5 . - 17.917 2137.0 2152.9 18.000 2093.5 2108.6 18.083 2051.0 2065.7 18.167 2009.0 2023.5 18.250 1966.3 1981.1 18.333 1922.4 1937.6 18.417 1877.7 1893.1 18.500 1833.4 1848.7 18.583 1790.2 1805.2 18.667 1748.5 1762.9 18.750 1708.6 1722.4 18.833 1671.1 1684.1 18.917 1635.8 1648.0 19.000 1602.1 1613.7 19.083 1569.9 1581.0 19.167 1539.2 1549.8 19.250 1510.0 1520.1 19.333 1482.2 1491.8 19.417 1455.7 1464.8 19.500 1430.4 1439.1 19.583 1406.4 1414.7 19.667 1383.4 1391.4 19.75000 1361.6 1369.1 19.833 1340.8 1348.0 19.917 1320.9 1327.8 20.000 1302.0 1308.5 ***************************************+***** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 43.20 TO NODE 43.00 IS CODE = 1 )))) >UNIT- HYDROGRAPH ANALYSIS((((( (UNIT - HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .228 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 36.491 WATERCOURSE LENGTH = 6200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 4000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 150.000 FEET BASIN FACTOR = .025 WATERSHED AREA = 119.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .492 LOW LOSS FRACTION = .379 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .76 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.30 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.60 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.13 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.75 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.00 �' *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 2.494 35.897 2 16.310 198.832 3 41.937 368.805 4 70.481 410.805 5 87.177 240.276 6 94.712 108.436 7 97.830 44.879 8 98.725 12.881 9 99.365 9.207 10 99.746 5.483 11 99.937 2.742 12 100.000 .914 TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 39.0649 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 66.8204 Ate. �. .. .. ..- .._, -., \ .....w' ".fi...�... .�.i�.r ...i ...,. "i..t «. .. a.,_. urvs. 7 t.. c1-_...-..r-.. 1.{ w.. w.. �..:. y' �i ....:u- .....s......rm+�...... ....5i.a. .. ... = = - - -=-- = 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H _______ = = =____= == == = HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 50.0 100.0 150.0 200.0 15.083 37.2687 69.26 . . Q . V _ . 15.167 37.7450 69.17 . . Q . V . 15.250 38.2207 69.07 . . Q • . V 15.333 38.6956 68.96 . . Q V . . 15.417 39.1620 67.72 . Q V . . 15.500 39.5852 61.44 . . Q V . . 15.583 39.9304 50.12 0 . V . . 15.667 40.1934 38.19 . Q V . . 15.750 40.4174 32.52 . 0 . V • 15.833 40.6378 32.01 . 0 . V . 15.917 40.8774 34.79 Q . . V . 16.000 41.1646 41.71 0 . . V . 16.083 41.6039 63.79 . . Q V . 16.167 42.4611 124.46 . . . QV . . 16.250 43.6995 179.82 . V Q 16.333 44.9785 185.70 . . V . Q . 16.417 45.8274 123.26 . . . Q V . . 16.500 46.3682 78.52 . . Q .. V . • 16.583 46.8042 63131 Q V . 16.667 47.2351 62.56 . . Q V . . 16.750 47.6989 67.36 Q V . 16.833 48.1744 69.04 . Q . V . . 16.917 48.6525 69.42 . . Q V. . --- 17.000 49.1294 69.24 . . Q V. . 17.083 49.6030 68.76 . 0 V. . 17.167 50.0573 65.98 . 0 . V. . 17.250 50.4731 60.37 . . 0 V 17.333 50.8434 53.77 . Q V . 17.417 51.1837 49.42 Q. V . 17.500 51.5070 46.94 . Q. V . 17.583 51.8197 45.40 Q. . . . 17.667 52.1254 44.39 0 . . .V . 17.750 52.4248 43.48 . 0 . .V . 17.833 52.7188 42.68 . Q . . .V . 17.917 53.0077 41.96 . Q . .V . 18.000 53.2923 41.32 . Q . . .V . +******************************************** * * * * * * * * * ** * * * * * * * * * * * * * * * * * * *i FLOW PROCESS FROM NODE 44.00 TO NODE 43.00 IS CODE = 1 )))))UNIT- HYDROGRAPH ANALYSIS(( <(< ______________------ == == =_ =_ = == =_= = (UNIT - HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG," TIME = .337 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 24.760 WATERCOURSE LENGTH = 18900.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8000.000 FEET ELEVATION VARIATION .,_ ALONG WATERCOURSE, 294. FEET ` -~ ` BASIN FACTOR = .017 WATERSHED AREA = 1251.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .444 LOW LOSS FRACTION = .370 = *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .57 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.95 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.53 = SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 10.45 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .520 30-MINUTE FACTOR = .548 1-HOUR FACTOR = .564 3-HOUR FACTOR = .883 6-HOUR FACTOR = .947 24-HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 ... UNIT HYDROGRAPH DETERMINATION INTERVAL ^^S" GRAPH UNIT HYDROGRAPH ~- NUMBER MEAN VALUES ORDINATES(CFS) 1 1.478 223.665 2 7.257 874.23(} 3 20.430 1992.946 4 37.860 2637.057 5 59.088 3211.631 ~ 6 75.831 2533.111 7 86.417 1601.575 8 92.403 905.729 9 95.948 536.274 10 97.826 284.162 ~° 11 98.468 97.185 12 98.933 70.244 = 13 99.380 67.618 14 99.752 56.312 15 99.938 28.156 16 100.000 9.385 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 383.6445 = TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 673.8268 4m = ==•=== == == === = = == = = = == = = = === = = == = = == =see = = = = = === = = = ==== == = ===a 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H = ________- == ______: HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) O. 350.0 700.0 1050.0 1400.0 15.083 370.6996 685.91 . . Q. V . 15.167 375.4304 686.92 . . Q. V . 15.250 380.1659 687.58 . . Q. V . . 15.333 384.9043 688.02 . . Q. V . 15.417 389.6064 682.74 Q. V . 15.500 394.1611 661.35 . . 0 . V - 15.583 398.3838 613.13 . . Q V . . 15.667 402.1859 552.07 . Q V . 15.750 405.5091 482.53 . 0 V . -- 15.833 408.5290 438.48 . . 0 . V . 15.917 411.4968 430.93 . . 0 V . 16.000 414.6627 459.68 . Q . V . 16.083 418.5824 569.14 . . Q V . - 16.167 423.9919 785.47 . . 0 V . 16.250 431.4726 1086.20 . . . V .0 . 16.333 440.0800 1249.79 . . . V . Q . 16.417 449.3059 1339.60 . . V 0 . 16.500 457.1870 1144.34 . . . V . 0 . 16.583 463.4868 914.73 . QV . 16.667 468.7519 764.48 . .0 V 16.750 473.6854 716.35 . . Q V . 16.833 478.4686 694.53 . . Q. V . • 16.917 483.1392 678.17 . Q. V . . T 17.000 487.8661 686.35 . . Q. V . . 17.083 492.6291 691.58 . . Q. V. . 17.167 497.3237 681.66 . Q. V. . -, 17.250 501.7974 649.57 . . Q . V. . 17.333 505.9986 610.02 . . Q . V . 17.417 509.8847 564.26 . Q V • 17.500 513.5167 527.37 . . Q . V . 17.583 516.9642 500.57 . . Q . V . 17.667 520.2814 481.66 . . 0 V - 17.750 523.4989 467.19 . Q . .V . 17.833 526.6403 456.13 Q . V 17.917 529.7241 447.78 . 0 .V . 18.000 532.7559 440.21 . . 0 . „V • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 43.00 TO NODE 404.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD (( <(< _- == == = =___= = = = =-= =___= THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce) . ASSUMED REGULAR CHANNEL INFORMATION: BASEW I DTH (FT) = 20.00 CHANNEL Z = .00 UPSTREAM ELEVATION a 1530.00 _ DOWNSTREAM ELEVATION = 1450.00 "' CHANNEL LENGTH(FT) = 3650.00 MANNINGS FACTOR = .014 • `',... CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 3775.00 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 2599.69 CHANNEL NORMAL VELOCITY FOR Q = 2599.69 CFS = 31.96 FPS r - ESTIMATED CHANNEL ROUTING COEFFICIENT = .950 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE r - UNIT INTERVALS IS CSTAR = .999 r CONVEX METHOD CHANNEL ROUTING RESULTS: } MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) 7' (HRS) (CFS) (CFS) t 15.083 2771.7 2757.1 15.167 2808.4 2795.1 7 15.250 2841.6 2829.6 15.333 2871.4 2860.6 15.417 2890.7 2883.7 15.500 2882.2 2885.3 r- 15.583 2828.3 2847.8 /' 15.667 2741.1 2772.7 15.750 2632.8 2672.1 r- 15.833 2542.6 2575.3 !' 15.917 2487.6 2507.6 16.000 2477.2 2481. -0 16.083 2580.3 2542.9 16.167 2870.2. 2765.1 16.250 3304.1 3146.7 16.333 3608.1 3497.7 7 16.417 3775.0 3714.4 16.500 3633.0 3684.3 16.583 3438.1 3508.8 16.667 3303.7 3352.5 16.750 3262.0 3277..2 16.833 3240.2 3248.1 16.917 3223.1 3229.3 ` 17.000 3230.4 3227.7 17.083 3234.3 3232.9 17.167 . 3219.2 3224.7 ,..a 17.250 3174.2 3190.6 17.333 3111.7 3134.4 - - 17.417 3034.6 3062.6 17.500 2959.0 2986.4 r" 17.583 2888.0 2913.8 17.667 2821.6 2845.7 17.750 2758.3 2781.3 . 17.833 2698.3 2720.0 17.917 2642.6 2662.8 18.000 2590.1 2609.1 18.083 2538.6 2557.3 r- 18.167 2485.3 2504.6 . 18.250 2427.8 2448.7 18.333 2367.1 2389.1 r 18.417 2304.2 2327.1 18.500 2244.4 2266.1 18.583 2189.3 2209.3 18.667 2138.4 2156.9 18.750 2090.8 2108.1 18.833 2046.5 2062.6 - 18.917 ZaQS. 0.4 _... -.... 19.000 1966.5 1980.6 19.083 1929.3 1942.8 19.167 1893.8 1906.7 19.250 1860.1 1872.4 .,, 19.333 1828.1 1839.7 19.417 1797.5 1808.6 "Ag 19.500 1768.4 1779.0 19.583 1740.6 1750.7 19.667 1714.1 1723.7 19.750 1688.8 1697.9 19.833 1664.6 1673.4 - 19.917 1641.5 1649.9 20.000 1619.5 1627.5 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.00 TO NODE 404.00 IS CODE = 1 > > >> )UNIT - HYDROGRAPH ANALYSIS« « (UNIT - HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .118 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 70.386 • WATERCOURSE LENGTH = 4000.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 1800.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 80.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 102.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S- GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = ".411 LOW LOSS FRACTION = .350 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .67 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.57 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.90 SPECIFIED PEAK 6 -HOUR RAINFALL (INCH) = 4.50 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 10.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: . e°` 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 8.771 108.192 ~~ 2 53.386 550.356 ~° 3 89.505 445.558 4 97.972 104.439 5 99.358 17.099 6 99.743 4.752 7 99.936 2.376 8 100.000 .792 im TOTAL SOIL—LOSS VOLUME(ACRE—FEET) = 28.1419 TOTAL STORM RUNOFF VOLUME(ACRE—FEET) = 54.3650 ~~ � ~ = ~- L � = ' 404 �� AWN = 4W ~° ids AK{ aas = = = = = = = = == =s == - -..s =========== ===========n 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 75.0 150.0 225.0 300.0 15.083 30.6770 56.22 . Q . . V • 15.167 31.0652 56.37 . Q . . V • . 15.250 31.4545 56.53 . 0 . . V . 15.333 31.8451 56.71 Q V . 15.417 32.2190 54.28 Q . . V . 15.500 32.5035 41.32 Q . . V . 15.583 32.7213 31.62 . Q V . 15.667 32.9377 31.42 Q . . V . 15.750 33.1661 33.17 . Q . . V . . -- 15.833 33.3949 33.21 . 0 . . V . 15.917 33.6413 35.79 . 0 . V . 16.000 33.9636 46.79 . 0 V . 16.083 34.5879 90.65 Q . V 16.167 36.0283 209.14 . VQ . 16.250 37.1965 169.62 . . . 0 V . . 16.333 37.6713 68.95 Q. V - 16.417 37.9576 41.56 0 . . V . 16.500 38.2806 46.91 . a . V . . • 16.583 38.6589 54.93 . Q . V . • 16.667 39.0465 56.28 . Q . V . . 16.750 39.4328 56.09 Q . V. 16.833 39.8179 55.91 Q . . V. . 16.917 40.2017 55.73 . Q V. . 17.000 40.5842 55.54 0 . . V. . 17.083 40.9574 54.18 . 0 . V . 17.167 41.2879 48.00 0 V . 17.250 41.5817 42.65 Q . . V . 17.333 41.8625 40.78 . 0 . . V . 17.417 42.1369 39.85 . 0 . . .V . 17.500 42.4063 39.11 Q . . .V . 17.583 42.6711 38.45 Q . . .V . 17.667 42.9318 37.85 . Q . . .V . 17.750 43.1886 37.30 Q . . . . 17.833 43.4420 36.78 Q . . .V . 17.917 43.6920 36.30 . Q . . . V . 18.000 43.9388 35.85 . 0 . V . ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.00 TO NODE 404.00 IS CODE = 7 > > > >> STREAM NUMBER 2 ADDED TO STREAM NUMBER 1 < < <<< sas=sass ==_--=_-===- === ass = = =Ns ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * ** * * * ** FLOW PROCESS FROM NODE .43 TO NODE .44 IS CODE = 3 > > >> >MODEL FLOW - THROUGH DETENTION BASIN ROUTING<<<<< = ___________ = = = = =a= ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 THROUGH AFLOW- THROUGH DETENTION BASIN . . ., _ . -, .... .: r. -..:' i:. e- .. ...w_.� ..a'J °,_:5,. d:ai'..: i ": t:= r':::. >;.i ti4 � r',. n, -.u.. r . d 00 USING FIVE - MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 2 .10 3000.00 .300 3 3.00 3178.00 9.300 4 10.00 4352.00 95.700 5 20.00 5618.00 225.700 6 22.00 5838.00 251.700 7 25.00 6154.00 290.700 INFLOW (STREAM 1) V effective depth 1 (and volume) : • V 1 detent'ion 1 ( - -) 1 outflow basin : : : 1 storage 1 basin outlet V OUTFLOW (STREAM 1) xaxosssa =seas= sasxs- M�.._M =- � - -...; BASIN ROUTING MODEL RESULTS(5- MINUTE INTERVALS): TIME DEAD- STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) • 15.083 .000 4980.3 9.94 4310.7 94.965 15.167 .000 5041.9 10.30 4366.1 99.620 15.250 .000 5097.4 10.66 4413.1 104.332 15.333 .000 5146.9 11.03 4459.1 109.069 15.417 .000 5185.6 11.39 4505.0 113.756 15.500 .000 5191.0 11.73 4549.4 119.175 15.583 .000 5158.7 12.03 4589.9 122.092 15.667 .000 5095.5 12.28 4624.8 125.334 15.750 .000 5005.8 12.47 4652.4 127.767 15.833 .000 4914.9 12.60 4672.4 129.437 15.917 .000 4852.9 12.68 4686.1 130.586 16.000 .000 4839.8 12.76 4696.5 131.573 16.083 .000 4950.4 12.89 4709.4 133.232 16.167 .000 5302.4 13.19 4736.5 137.130 16.250 .000 5664.2 13.65 4784.9 143.185 16.333 .000 5939.6 14.23 4850.9 150.683 16.417 .000 6157.0 14.88 4928.6 159.143 16.500 .000 6162.6 15.49 5008.5 167.091 16.583 .000 6022.2 15.99 5078.9 173.588 16.667 .000 5887.6 16.39 5135.7 178.766 16.750 0 __.. 5827.4 . , 16.73 5182.6, _183.207 r .. . .. _ .._.._....... _ .k.,.,....,..«_...... .,....... w..- . :t:..- _.., . ,..:G.. . ,. ..::.4... :: ;-:' :"t x- 4}:.,4,7;,:'rv'. ,:.4: "�.,i::`:..4'«:it�- ----: .:ice .:,::,++.,. r :r: 16.833 :066 5812. 1 17.04 5223.9 187.257 16.917 .000 5807.3 17.33 5261.9 191.014 17.000 .000 5820.3 17.61 5297.7 194.613 17.083 .000 5838.9 17.88 5332.3 198.102 17.167 .000 5839.0 18.13 5365.1 201.366 17.250 .000 5813.2 18.35 5395.0 204.246 17.333 .000 5767.7 18.53 5420.7 206.636 17.417 .000 5705.9 18.67 5441.2 208.459 17.500 .000 5638.0 18.77 5456.2 209.711 17.583 .000 5571.4 18.83 5465.8 210.438 17.667 .000 5507.5 18.85 5470.6 210.692 17.750 .000 5445.9 18.83 5471.0 210.519 17.833 .000 5386.8 18.79 5467.5 209.964 17.917 .000 5331.0 18.72 5460.4 209.072 --- 18.000 .000 5278.2 18.63 5450.3 207.887 18.083 .000 5226.0 18.52 5437.4 206.431 18.167 .000 5170.1 18.38 5421.9 204.696 18.250 .000 5110.6 18.23 5403.6 202.678 __ 18.333 .000 5048.5 18.05 5382.6 200.377 18.417 .000 4983.4 17.85 5358.8 197.792 18.500 .000 4918.4 17.63 5332.3 194.941 -- 18.583 .000 4856.4 17.40 5303.5 191.862 18.667 .000 4797.4 17.15 5272.5 188.590 18.750 .000 4741.2 16.88 5239.9 185.156 _ 18.833 .000 4687.7 16.61 5205.8 181.588 18.917 .000 4637.1 16.32 5170.5 177.914 19.000 .000 4588.5 16.03 5134.3 174.155 19.083 .000 4541.5 15.74 5097.4 170.326 19.167 .000 4495.9 15.44 5059.8 166.443 19.250 .000 4451.9 15.14 5021.8 162.517 19.333 .000 4409.2 14.84 4983.4 158.563 19.417 .000 4368.0 14.53 4944.8 154.590 19.500 .000 4327.9 14.22 4906.1 150.608 19.583 .000 4289.1 13.92 . 4867.3 146.626 19.667 .000 4251.4 13.61 4828.6 142.651 19.750 .000 4214.9 13.31 4789.9 138.690 19.833 .000 4179.4 13.00 4751.5 134.750 19.917 .000 4144.9 12.70 4713.2 130.836 20.000 .000 4111.4 12.40 4675.3 126.953 20.083 .000 4079.0 12.11 4637.6 123.105 20.167 .000 4048.3 11.82 4600.4 119.303 20.250 .000 4019.4 11.53 4563.6 115.555 20.333 .000 3991.6 11.24 4527.4 111.865 20.417 .000 3964.3 10.96 4491.7 108.233 20.500 .000 3937.5 10.69 4456.6 104.658 20.583 .000 3911.2 10.42 4422.1 101.139 20.667 .000 3885.3 10.15 4388.1 97.676 20.750 .000 3859.7 9.89 4352.0 94.285 20.833 .000 3834.6 9.62 4310.5 91.008 20.917 .000 3809.9 9.36 4266.9 87.861 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *3 FLOW PROCESS FROM NODE ' 4.00 TO NODE • 4.10 IS CODE = 1 > > >> >UNIT- HYDROGRAPH ANALYSIS < < < <( (UNIT - HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .126 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 66.144 WATERCOURSE LENGTH = 12200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 2400.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 640.000 FEET = BASIN FACTOR = .015 WATERSHED AREA = 585.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED = MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .291 LOW LOSS FRACTION = .246 *HYDROGRAPH MODEL #1 SPECIFIED* 40 SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .58 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.58 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.07 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.65 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 10.60 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .520 30-MINUTE FACTOR = .548 1-HOUR FACTOR = .564 3-HOUR FACTOR = .883 6-HOUR FACTOR = .947 24-HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.0() ***> NOTE: RATIO OF (LENGTH TO CENTROID) / (LENGTH OF WATERCOURSE) ~~ IS NOT BETWEEN [.25] AND [.75] UNIT HYDROGRAPH DETERMINATION INTERVAL ''S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDIWATES(CFS) 1 7.759 548.912 ~~ 2 48.578 2887.896 3 86.696 2696.776 4 97.286 749.255 = 5 99.141 131.231 6 99.656 36.464 7 99.914 18.232 8 100.000 6.077 °~ TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 120.9392 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 380.6285 °° .4 .0 r" __========================================================== . 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = = HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 275.0 550.0 825.0 1100.0 15.083 217.1932 403.79 . • Q . V . 15.167 219.9613 403.38 . . Q V r . 15.250 222.7366 402.96 . . Q . V . t 15.333 225.5085 402.48 . Q V , 15.417 228.1628 385.41 . . Q V . 15.500 230.2185 298.48 . Q V . r" 15.583 231.7510 222.51 . Q . V . 15.667 233.2267 214.28 . Q . V . . 15.750 234.7991 228.32 . Q . . V . . 15.833 236.5002 246.99 Q V . z 15.917 238.4202 278.77 Q V . 16.000 240.8537 353.36 . . Q V . 16.083. 244.8055 573.80 . . Q V . • j' 16.167 252.32 22 1091.42 . . . V Q. 16.250 259.0271 973.56 . . . V . Q . 16.333 262.2564 468.90 . Q . V . 1- 16.417 264.2476 289.12 Q V 16.500 266.4471 319.37 .0 V , „ 16.583 269.0818 382..56 . . 0 . V . . 16.667 271.8340 399.63 . . Q . V . r 16.750 274.6040 402.20 . . Q V . . 16.833 277.3846 403.73 . . Q V. 16.917 280.1727 404.83 . Q V. . r 17.000 282.9659 405.57 . 0 . V. . 17.083 285.6949 396.25 . . 0 . V . 17.167 288.0668 344.40 . . Q . V . 17.250 290.0857 293.15 Q V . t 17.333 291.9757 274.43 . Q. . V . 17.417 293.8114 266.53 . Q. V „ 17.500 295.6067 260.68 . Q. . .V . r- 17.583 297.3666 255.54 . Q. . .V . 17.667 299.0950 250.96 . Q. .V . 17.750 300.7948 246.81 . 0 . . .V . r- 17.833 302.4679 242.94 Q . .V 17.917 304.1161 239.32 . Q . . .V . 18.000 305.7409 235.92 0 . . V . r- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.00 TO NODE 2.00 IS CODE = 1 r- > > > >)UNIT- HYDROGRAPH ANALYSIS< <<<< __ __________________==____________ = = _ r' (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .636 HOURS r-. UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 13.099 r°' WATERCOURSE LENGTH = 19400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11600.000 FEET F_LEVATIQN VARIATION ALONG WATERCOURSE me 3860.000 FEET BASIN FACTOR = .045 WATERSHED AREA = 1960.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .350 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .308 LOW LOSS FRACTION = .132 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .76 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.55 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 2.08 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 4.13 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 6.94 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 16.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.044 247.359 2 3.531 589.553 3 7.053 834.867 4 12.182 1215.882 5 18.808 1570.458 6 26.263 1767.202 7 34.726 2005.931 8 47.713 3078.425 9 55.839 1926.252 10 60.977 1217.831 11 65.022 958.946 12 68.433 808.451 13 71.241 665.700 14 73.871 623.334 15 76.097 527.631 16 78.176 492.897 17 79.967 424.545 18 81.650 398.755 19 83.152 356.225 20 84.535 327.713 21 85.757 289.598 2 86.890 268.642 23 87.937 248.179 24 88.872 221.534 25 89.725 202.335 26 . 90.466 175.556 27 91.146 161.115 28 91.752 143.669 29 92.324 135.571 30 92.821 117.803 31 93.278 108.390 32 93.599 76.083 33 93.893 69.824 34 94.188 69.884 35 94.478 68.575 36 94.748 64.064 37 95.016 63.629 38 95.285 63.641 39 95.529 57.912 40 95.750 52.324 41 95.970 52.174 42 96.190 52.174 43 96.405 51.085 44 96.617 50.022 45 96.828 50.022 46 97.038 49.926 47 97.237 47.076 48 97.402 39.160 49 97.521 28.279 50 97.640 28.055 51 97.752 26.523 52 97.862 26.101 53 97.972 26.053 54 98.079 25.407 -- 55 98.172 22.168 • 56 98.264 21.723 57 98:356 21.721 58 98.450 22.342 59 98.550 23.850 60 98.651 23.899 61 98.752 23.901 62 98.829 18.307 63 98.875 10.936 64 98.921 10.836 65 98.967 10.887 66 99.013 10.862 67 99.059 10.885 68 99.105 10.836 . 69 99.150 10.887 70 99.196 10.885 71 99.242 10.836 72 99.288 10.885 73 99.334 10.836 74 99.380 10.887 75 99.426 10.885 76 99.47 10.836 77 99.512 9.650 78 99.535 5.442 79 99.557 5.147 80 99.578 5.047 81 99.600 5.147 82 99.621 5.145 83 99.643 5.096 84 99.667 5.642 85 99.688 5.096 86 99.710 5.096 • 87 99.731 5.096 88 99.753 5.096 89 99.774 5.098 90 99.796 5.096 91 99.817 5.096 92 99.839 5.096 .:'...'.., ..,.._.. -:.._. 93 99.860 5.096 94 99.882 5.098 95 99.903 5.096 96 99.925 5.096 97 99.946 5.096 98 99.968 5.096 99 99.989 5.098 100 100.000 2.555 TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 347.3756 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 2315.8510 0. 00 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H = = ____ = HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 675.0 1350.0 2025.0 2700.0 15.083 1224.9960 1979.17 . .V Q. . 15.167 1238.6980 1989.55 . . .V Q. . 15.250 1252.4580 1997.92 . . .V Q. . 15.333 1266.2670 2005.10 . . .V Q. . 15.417 1280.0350 1999.17 . . V Q. . 15.500 1293.6490 1976.73 . . . V Q. . 15.583 1307.0360 1943.82 . . . V 0 . . 15.667 1320.0890 1895.24 . . . V Q . . 15.750 1332.7170 1833.66 . . . V Q . 15.833 1344.9010 1769.04 . . . V Q . 15.917 1356.6520 1706.23 . . . V Q . 16.000 1367.7730 1614.78 . . . Q . 16.083 1379.2400 1665.08 . . . VQ . 16.167 1391.5360 1785.33 . . . V 0 . 16.250 1404.5720 1892.77 . . . V 0 . . 16.333 1418.5930 2035.86 . . . V Q . 16.417 1433.5700 2174.76 . . . V . Q . 16.500 1449.3200 2286.77 . . V Q . 16.583 1465.8680 2407.82 . . . V 0 . 16.667 1484.2660 2671.38 . . . V 0. 16.750 1500.1960 2313.07 . . V 0 . 16.833 1514.6340 2096.41 . . . V .Q . 16.917 1528.6690 2037.80 . . . V Q . 17.000 1543.0170 2483.41 . V Q 17.083 1557.4420 2094.55 . . . V .0 . 17.167 1571.9260 2103.05 . . . V .0 . 17.250 1586.2900 2085.61 . . . V Q . 17.333 1600.5750 2074.22 . . • V Q . 17.417 1614.6470 2043.27 . . . V Q . 17.500 1628.5570 2019.69 . . . VQ. . 17.583 1642.2150 1983.20 . • • . VQ. . 17.667 1655.5150 1931.09 . . Q . . 17.750 1668.5350 1890.43 . . . 0 . . 17.833 1681.3770 1864.78 . . . 0 V. . 17.917 1694.0610 1841.60 . . 0 V. . 18.000 1706.5900 1819.24 . . . 0 V. . ********************************************* * * * * * * * * * * * * * * * *. * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.00 TO NODE 2.10 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD(((<( = = = =_= _ THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = 2.50 UPSTREAM ELEVATION _ =... _ 71 ti . 00 . ...;. '.. .. .,. . " DOWNSTREAM ELEVATION = 1950.00 CHANNEL LENGTH(FT) = 2400.00 MANNINGS FACTOR = .030 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2671.38 AVERAGE FLOWRATE IN EXCESS OF 50%. MAXIMUM INFLOW = 1797.63 CHANNEL NORMAL VELOCITY FOR Q = 1797.63 CFS = 23.41 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .932 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .999 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 1979.2 1975.5 15.167 1989.6 1986.2 15.250 1997.9 1995.2 15.333 2005.1 2002.8 15.417 1999.2 2001.1 15.500 1976.7 1983.9 r 15.583 1943.8 1954.4 15.667 1895.2 1910.8 15.750 1833.7 1853.4 15.833 1769.0 1789.7 15.917 1706.2 1726.3 16.000 1614.8 1644.0 16.083 1665.1 1649.0 16.167 1785.3 1746.9 16.250 1892.8 1858.4 16.333 2035.9 1990.1 16.417 2174.8 2130.3 16.500 2286.8 2250.9 • 16.583 2402.8 2365.7 16.667 2671.4 2585.5 16.750 2313.1 2427.5 16.833 2096.4 2165.8 16.917 2037.8 2056.6 17.000 2083.4 2068.9 17.083 2094.5 2091.0 17.167 2103.1 2100.3 17.250 2085.6 2091.2 17.333 2074.2 2077.9 17.417 2043.3 2053.2 17.500 2019.7 2027.2 17.583 1983.2 1994.9 17.667 1931.1 1947.8 17.750 1890.4 1903.4 17.833 1864.8 1873.0 17.917 1841.6 1849.0 18.000 1819.2 1826.4 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.10 TO NODE 3.00 IS CODE = 5 > > >> )MODEL CHANNEL ROUTING BY THE CONVEX METHOD <<<<< ___ == ===- ---- =___ =___ == ____ == = - - - -= THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE. THE STREAM ..3 .. INFLOW„HYDROG BY 5- MINUTE _ INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August719727 U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 15.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1950.00 DOWNSTREAM ELEVATION = 1570.00 CHANNEL LENGTH(FT) = 6700.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2585.49 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 1773.66 CHANNEL NORMAL VELOCITY FOR Q = 1773.66 CFS = 41.11 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .960 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .994 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 1975.5 1968.9 15.167 1986.2 1980.5 15.250 1995.2 1990.5 15.333 2002.8 1998.8 15.417 2001:1 2002.0 15.500 1983.9 1992.9 15.583 1954.4 1969.9 15.667 1910.8 1933.7 15.750 1853.4 1883.6 15.833 1789.7 1823.3 15.917 1726.3 1759.8 16.000 1644.0 1687.4 16.083 1649.0 1646.7 16.167 1746.9 1695.6 16.250 1858.4 1799.6 16.333 1990.1 1920.7 16.417 2130.3 2056.4 16.500 2250.9 2187.3 16.583 2365.7 2305.2 16.667 2585.5 2469.9 16.750 2427.5 2509.7 16.833 2165.8 2303.5 16.917 2056.6 2114.6 17.000 2068.9 2062.8 17.083 2091.0 2079.3 17.167 2100.3 2095.4 17.250 2091.2 2096.0 17.333 2077.9 2084.9 17.417 2053.2 2066.2 17.500 2027.2 2040.9 17.583 1994.9 2011.9 17.667 1947.8 1972.6 17.750 1903.4 1926.8 17.833 1873.0 1889.1 17.917 1849.0 1861.7 18.000 1826.4 1838.3 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3.00 TO NODE 3.00 IS CODE = , 1 >>>> >UNIT- HYDROGRAPH ANALYSIS((((( - (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .261 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 31.976 WATERCOURSE LENGTH = 17800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2300.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 1947.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .350 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .475 LOW LOSS FRACTION = .349 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .60 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.26 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.69 SPECIFIED PEAK 3 -HDUR RAINFALL(INCH) = 3.30 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 5.10 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.50 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = . 947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 INUIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES DRDINATES(CFS) .1 2.232 525.475 2 10.878 2035.799 3 28.831 4227.423 4 57.739 6806.794 5 73.302 3664.560 6 82.163 2086.481 7 87.737 1312.598 8 91.338 847.810 9 93.725 562.004 10 95.592 439.556 11 96.980 326.957 1 .97. - - . 229.866 _ .. 13 98.589 149.075 14 98.882 68.891 = 15 99.114 54.530 16 99.316 47.660 17 99.458 33.357 18 99.599 33.357 19 99.741 33.355 20 99.883 33.357 21 100.000 27.628 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 621.0613 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1190.()880 � � =m ,_.. ._ - . ...- .. " .. 7... _ >_ T_ a. ._, "rr,'...., s . • ..., . - ..,,, : , i._:;,.. ._ _,2• .._ mss;. ..,- `,...... '. ,:W- t',... -.. i'_.t:., :.iw 2 4 -HOUR STORM R U N O F F H Y D R O G R A P H = HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 675.0 1350.0 2025.0 2700.0 15.083 659.0178 1247.07 . . Q . V . 15.167 667.6044 1246.77 . . Q . V . 15.250 676. 1869 1246.18 . Q . V . 15.333 684.7631 1245.27 . . 0 . V . 15.417 693.2299 1229.38 . 0 . V . . 15.500 701.2994 1171.69 . Q V . 15.583 708.5745 1056.34 . . Q V . 15.667 714.6177 877.47 . . Q V . 15.750 720.1425 802.21 . .Q . V . 15.833 725.5665 787.56 . .Q V . 15.917 731.1543 811.35 . . 0 V . 16.000 737.2718 888.26 . Q V . 16.083 745.0684 1132.06 Q V . 16.167 756.2166 1618.72 . . . Q V . 16.250 771.2611 2184.47 . V . Q . 16.333 789.5706 2658.54 . . . V Q. -- 16.417 802.3493 1855.47 . . . VQ . 16.500 812.1714 1426.17 . . .Q V . 16.583 820.8756 1263.85 Q . V . 16.667 829.6936 1280.37 . . Q . V . 16.750 838.5167 1281.11 . . Q . V . . 16.833 847.3910 1288.55 . . Q. V . . 16.917 856.2369 1284.43 . Q. V . . 17.000 865.0178 1274.98 . . 0 . V. . 17.083 873.6710 1256.46 . . Q . V. . 17.167 882.0427 1215.57 . . Q . V. . 17.250 889.9822 1152.81 . Q V. . 17.333 897.1949 1047.29 . Q . V . 17.417 903.9551 981.58 . . Q V . 17.500 910.4216 938.94 . . 0 V . 17.583 916.6680 906.98 . 0 . V . 17.667 922.7383 881.40 . . Q .V . 17.750 928.6503 858.43 . . 0 . .V . 17.833 934.3911 833.56 . . Q . .V . 17.917 940.0195 817.24 . . 0 .V . 18.000 945.5517 803.27 .0 .V . ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguet,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 22.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1570.00 �+....r... ..,. .... �.. .e. ........ .. ..+•.SS: r.. .. .. . DOWNSTREAM ELEVATION = 1380.00 CHANNEL LENGTH(FT) = 5500.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4579.25 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 2956.87 CHANNEL NORMAL VELOCITY FOR Q = 2956.87 CFS = 38.05 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .957 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .996 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3216.0 3208.9 15.167 3227.3 3222.0 15.250 3236.7 3232.3 15.333 3244.1 3240.6 15.417 3231.3 3237.2 15.500 3164.6 3195.5 15.583 3026.2 3090.4 15.667 2811.2 2911.0 15.750 2685.8 2744.2 15.833 2610.8 2645.8 15.917 2571.1 2589.6 16.000 2576.6 2573.6 16.083 2778.7 2684.6 16.167 3314.3 3065.9 16.250 3984.1 3672.9 16.333 4579.2 4302.4 16.417 3911.9 4220.0 16.500 3613.4 3752.8 16.583 3569.0 3590.1 16.667 3750.3 3666.4 16.750 3790.8 3771.7 16.833 3592.0 3684.0 . 16.917 3399.1 3488.8 17.000 3337.7 3366.5 17.083 3335.8 3336.8 17.167 3310.9 3322.5 17.250 3248.8 3277.6 17.333 3132.2 3186.3 17.417 3047.7 3087.0 17.500 2979.8 3011.4 17.583 2918.9 2947.2 17.667 2854.0 2884.1 17.750 2785.3 2817.2 17.833 2722.7 2751.8 17.917 2678.9 2699.3 • . 18.000 2641.6 2659.0 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 2 > > >> >FLOWBY STRUCTURE ROUTING MODEL <<((< MODEL STREAM NUMBER 3 FLOWING PAST A FLOWBY STRUCTURE: FLOWRATES TN STREAM # 3_WHICH ARE GREATER THAN „ _ 'i.:.'. 3100.0 CFS ARE ASSUMED TO BE EXCESS FLOWS. FLOW EXCESS IS ASSUMED TO BE ADDED TO STREAM NUMBER 1 INFLOW INFLOW (STREAM 1) (STREAM 3) S flow excess 1( * <= flowby structure (flowby Q = 3100.0 cfs) V V STREAM 1 STREAM 3 + FLOW EXCESS FLOWBY FLOWBY BASIN MODELING RESULTS: MODEL INFLOW INFLOW OUTFLOW FLOWBY TIME (STREAM 1) (STREAM 3) (STREAM 1) (STREAM 3) (HRS) (CFS) (CFS) (CFS) (CFS) 15.083 4714.5 3208.9 4823.4 3100.0 15,167 4769.5 3222.0 4891.5 3100.0 15.250 4816.1 3232.3 4948.4 3100.0 15.333 4861.6 3240.6 5002.2 3100.0 15.417 4890.4 3237.2 5027.7 3100.0 15.500 4847.8 3195.5 4943.4 3100.0 15.583 4812.5 3090.4 4812.5 3090.4. 15.667 4839.1 2911.0 4839.1 2911.0 15.750 4880.8 2744.2 4880.8 2744.2 15.833 4919.4 2645.8 4919.4 2645.8 15.917 4964.9 2589.6 4964.9 2589.6 16.000 5049.9 2573.6 5049.9 2573.6 16.083 5283.2 2684.6 5283.2 2684.6 16.167 5827.9 3065.9 5827.9 3065.9 16.250 5758.5 3672.9 6331.4 3100.0 16.333 5319.8 4302.4 6522.3 3100.0 16.417 5217.8 4220.0 6337.7 3100.0 16.500 5327.9 3752.8 5980.7 3100.0 16.583 5461.4 3590.1 5951.5 3100.0 16.667 5535.3 3666.4 6101.7 3100.0 16.750 5584.8 3771.7 6256.5 3100.0 16.833 5627.6 3684.0 6211.7 3100.0 16.917 5666.8 3488.8 6055.5 3100.0 17.000 5703.3 3366.5 5969.8 3100.0 17.083 5728.5 3336.8 5965.3 3100.0 17.167 5709.5 3322.5 5932.0 3100.0 17.250 5688.2 3277.6 5865.8 3100.0 17.333 5695.1 3186.3 5781.4 3100.0 17.417 5707.8 3087.0 5707.8 3087.0 17.500 5716.9 3011.4 5716.9 3011.4 17.583 5721.4 2947.2 5721.4 2947.2 17.667 5721.6 2884.1 5721.6 2884.1 17.750 5717.8 2817.2 5717.8 2817.2 17.833 5710.4 2751.8 5710.4 2751.8 17.917 5699.7 2699.3 5699.7 2699.3 18.000 5686.2 2659.0 5686.2 2659.0 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW FROM NODE 6.10 To NODE 4.00 IS CODE a 1 . �. _.__ _"___.,....„.,...,......__ t.L s ... is. a. v...; �s.... .,..». �. .._:_2.'..�..::E.`s_�':..:u... ._,r.....:..a,..:!j:'.:;:.. ......_........_- .,..,.._ > > > > >UNIT- HYDROGRAPH ANALYSIS((((( ____ ____ _________===-_e= ___ a = a = = = = _________-- - ______ (UNIT-- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .300 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 27.808 WATERCOURSE LENGTH = 12600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 7300.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 310.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 924.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED { MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .504 LOW LOSS FRACTION = .428 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .56 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.16 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.91 SPECIFIED PEAK 6 -HOUR RAIFALL(INCH) = 4.40 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = '.520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 16.00 MODEL TIME(HOURS) FOR END OF RESULTS = 17.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.703 190.295 2 9.305 849.455 3 25.340 1791.952 4 47.046 2425.486 5 69.072 2461.345 6. 83.532 1615.823 7 91.405 879.762 8 95.734 .483.759 9 97.857 237.254 10 98.547 77.126 11 99.068 58.265 12 99.590 58.265 13 100.000 45.836 _TOTAL SOIL-LOSS _ VOLUME_t ACRE -FEET) _ 307.0879 ' '� `. -� '. - TOTAL STORM RUNOFF VOLUME ( ) = 425.4089 = = ,ok = ~° ■,0 _ ~~ . — 140 TAIS 48/ = 1011 fAwii 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) oe TIME(HRS) VOLUME(AF) Q(CFS) 0. 250.0 500.0 750.0 1000.0 16.083 263.5644 405.43 . Q V . 16.167 267.6986 600.29 . . QV 16.250 273.4539 835.67 . . V Q . 16.333 280.1207 968.02 . . V . 0 . 16.417 286.5800 937.88 . . V . 0 . 16.500 291.5721 724.85 . . Vr . . 16.583 295.4106 557.36 . . 0 V . . 16.667 298.7527 485.27 . . Q. V . . 16.750 301.9167 459.42 . 0 . V . . ... 16.833 304.9904 446.30 . 0 . V . . 16.917 308.1138 453.52 . . 0 . V . 17.000 311.2758 459.12 . 0 . V. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �r FLOW PROCESS FROM NODE 4.10 TO NODE 4.00 IS CODE = 3 > > >> )MODEL FLOW - THROUGH DETENTION BASIN ROUTING((( <( ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 THROUGH A FLOW - THROUGH DETENTION BASIN USING FIVE - MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: ." DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 M SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 2 2.00 32.00 6.200 3 6.00 254.00 61.400 "'"" 4 10.00 576.00 182.000 5 14.00 743.00 379.100 6 18.00 1275.00 604.500 7 22.00 1556.00 883.900 8 26.00 2120.00 1163.100 . 9 30.00 2444.00 1457.900 10 34.00 2726.00 1768.400 11 38.00 2978.00 2078.900 . 12 42.00 3210.00 2421.300 13 46.00 3425.00 2763.700 14 48.00 3528.00 2934.500 15 50.00 5624.00 3119.300 16 52.00 8429.00 3304.100 (STREAM 1) 7 V effective depth 1 (and volume) 1 1 1 1 r 0 1 V detention 1 (- -)! outflow basin : n t • S storage l basin outlet V OUTFLOW r (STREAM 1) � ' BASIN ROUTING MODEL RESULTS(5 -- MINUTE INTERVALS): I TIME DEAD- STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE r- (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) f 15.083 .000 4823.4 32.75 2630.9 1671.201 15.167 .000 4891.5 32.95 2644.7 1686.675 r 15.250 .000 4948.4 33.15 2658.9 1702.443 i _ 15.333 .000 5002.2 33.36 2673.4 1718.481 15.417 .000 5027.7 33.56 2688.0 1734.595 r-+ 15.500 .000 4943.4 33.76 2702.3 1750.029 1 15.583 .000 4812.5 33.95 2715.9 1764.469 15.667 .0017 4839.1 34.14 2728.5 1779.004 r- 15.750 .000 4880.8 34.33 2740.6 1793.743 ■ 15.833 .000 4919.4 34.52 2752.6 1808.666 15.917 .000 4964.9 34.71 2764.8 1823.818 16.000 .000 5049.9 34.92 2777.3 1839.469 '' 16.083 .000 5283.2 35.14 2790.6 1856.636 16.167 .000 5827.9 35.40 2806.1 1877.447 16.250 .000 6331.4 35.72 2824.3 1901.601 t .., 16.333 .000 6522.3 36.04 2844.4 1926.931 16.417 .000 6337.7 36.35 2864.4 1950.852 16.500 .000 5980.7 36.63 2882.7 1972.188 16.583 .000 5951.5 36.90 2899.9 1993.205 T 16.667 .000 6101.7 37.18 2917.3 2015.135 16.750 .000 6256.5 37.47 2935.5 2038.007 16.833 .000 6211.7 37.76 2953.9 2060.443 r- 16.917 .000 6055.5 38.03 2971.5 2081.683 17.000 .000 5969.8 38.27 2986.8 2102.227 17.083 .000 5965.3 38.51 3000.7 2122.644 17.167 .000 5932.0 38.75 3014.4 2142.737 7 17.250 .000 5865.8 38.97 3027.9 2162.282 17.333 .000 5781.4 39.19 3040.9 2181.156 17.417 .000 5707.8 39.41 3053.5 2199.436 r° 17.500 .000 5716.9 39.62 3065.9 2217.694 17.583 .000 5721.4 39.83 3078.2 2235.897 17.667 .000 5721.6 40.05 3090.5 2254.018 17.750 .000 5717.8 40.26 3102.8 2272.028 17.833 .000 5710.4 40.46 3114.9 2289.903 17.917 .000 5699.7 40.67 3127.0 2307.622 18.000 .000 5686.2 40.88 3138.9 2325.165 r" 18.083 .000 5667.9 41.08 3150.7 2342.501 18.167 .000 5637.7 41.28 3162.4 2359.549 18.250 .000 5605.5 41.47 3173.8 2376.296 �- 18.333 .000 5578.4 41.67 3185.1 2392.779 18.417 .000 5551.2 41.86 3196.2 2408.999 18.500 .000 5521.9 42.04 3207.0 2424.942 18.583 .000 5490.3 42.23 3217.2 2440.597 ... __..._....._ ....... - . . _, ... u..n... S. " a....... .. , .. _. __ , - :': . ‘ ,.. _ .. 'w.` . -.-. . ' i.. . ;..i_f.-..Z •.:' t_ • a y .� _:',7 : "<,z_ 18.667 .000 5456.9 42.40 3226. 2455.955 18.750 .000 5421.9 42.58 3236.5 2471.006 18.833 .000 5385.5 42.75 3245.8 2485.742 18.917 .000 5348.1 42.92 3255.0 2500.157 19.000 .000 5309.8 43.09 3263.9 2514.248 19.083 .000 5270.9 43.25 3272.7 2528.010 19.167 .000 5231.4 43.40 3281.2 2541.441 19.250 .000 5191.6 43.56 3289.6 2554.541 19.333 .000 5151.4 43.71 3297.7 2567.308 19.417 .000 5111.1 43.85 3305.6 2579.743 19.500 .000 5070.8 43.99 3313.3 2591.846 19.583 .000 5030.4 44.13 3320.B 2603.621 19.667 .000 4990.1 44.26 3328.1 2615.067 19.750 .000 4950.0 44.39 3335.2 2626.188 19.833 .000 4910.1 44.52 3342.0 2636.988 19.917 .000 4870.5 44.64 3348.7 2647.468 20.000 .000 4831.1 44.76 3355.2 2657.633 20.083 .000 4792.2 44.88 3361.5 2667.486 20.167 .000 4753.7 44.99 3367.6 2677.032 20.250 .000 4715.7 45.10 3373.5 2686.276 20.333 .000 4678.3 45.20 3379.2 2695.223 -- 20.417 .000 4641.4 45.30 3384.7 2703.878 20.500 .000 4605.2 45.40 3390.1 2712.246 20.583 .000 4569.6 45.49 3395.2 2720.334 20.667 .000 4534.5 45.58 3400.2 2728.146 20.750 .000 4497.4 45.67 3405.0 2735.669 20.833 .000 4454.8 45.76 3409.7 2742.867 20.917 .000 4410.2 45.84 3414.1 2749.727 21.000 .000 4367.3 45.91 3418.3 2756.263 21.083 .000 4326.0 45.99 3422.3 2762.487 21.167 .200 4286.2 46.06 3426.0 2768.411 21.250 .000 4247.8 46.12 3429.5 2774.046 21.333 .000 4210.8 46.18 3432.9 2779.404 21.417 .000 4174.9 46.24 3436.0 2784.493 21.500 .000 4140.2 46.30 3439.0 2789.322 21.583 .000 4106.6 46.35 3441.8 2793.900 21.667 .000 4074.0 46.40 3444.5 2798.235 21.750 .000 4042.3 46.45 3447.1 2802.334 - 21.833 .000 4011.5 46.50 3449.5 2806.205 21.917 .000 3981.5 46.54 3451.7 2809.854 22.000 .000 3952.3 46.58 3453.9 2813.287 22.083 .000 3923.5 46.62 3455.9 2816.507 22.167 .000 3895.3 46.65 3457.8 2819.521 22.250 .000 3867.5 46.69 3459.5 2822.331 22.333 .000 3840.3 46.72 3461.1 2824.942 ._ 22.417 .000 3813.4 46.75 3462.7 2827.357 22.500 .000 3787.0 46.77 3464.1 2829.582 22.583 .000 3761.1 46.80 3465.3 2831.618 22.667 .000 3735.5 46.82 3466.5 2833.471 22.750 .000 3710.4 46.84 3467.6 2835.143 22.833 .000 3685.6 46.85 3468.5 2836.638 22.917 .000 3661.2 46.87 3469.4 2837.959 23.000 .000 3637.2 46.88 3470.1 2839.110 23.083 .000 3613.6 46.89 3470.8 2840.094 23.167 .000 3590.3 46.90 3471.3 2840.914 23.250 .000 3567.4 46.91 3471.8 2841.573 23.333 .000 3544.8 46.92 3472.1 2842.073 23.417 .000 3522.5 46.92 3472.4 2842.419 23.500 .000 3500.6 46.92 3472.5 2842.612 23.583 .000 3479.0 46.92 3472.6 2842.656 23.667 .000 3457.6 46.92 3472.6 2842.553 23.750 .000 3436.6 46.92 3472.5 2842.306 23.833 .000 3415.9 46.92 3472.3 2841.917 23.917 .000 3395.4 46.91 3472.0 2841.390 24.000 .000 3375.3 46.90 3471.7 2840.726 24.083 - .000 3346.1 46.99 3471.2 2839.865 24.167 .000 3277.6 46.85 34 0. , -, *_ 24.250 .000 3210.0 46.86 3469.6 2836.748 24.333 .000 3165.7 46.83 3468.4 2834.663 24.417 .000 3119.9 46.80 3467.1 2832.272 24.500 .000 3068.2 46.77 3465.5 2829.535 24.583 .000 2878.9 46.72 3463.5 2825.509 24.667 .000 2496.6 46.65 3460.3 2818.872 24.750 .000 2406.7 46.56 3456.1 2811.645 24.833 .000 2341.1 46.47 3451.6 2803.996 24.917 .000 2237.4 46.37 3446.8 2795.667 25.000 .000 2079.8 46.26 3441.4 2786.2W, 25.083 .000 1864.9 46.14 3435.4 2775.473 25.167 .000 1688.9 46.00 3428.5 2763.492 25.250 .000 1529.4 45.85 3420.8 2750.466 ,--. 25.333 .000 1305.0 45.68 3412.1 2735.954 25.417 .000 727.3 45.46 3401.8 2717.534 25.500 .000 356.6 45.22 3389.5 2696.646 25.583 .000 328.0 44.97 3376.3 2675.653 r ' 25.667 .000 280.7 44.72 3363.0 2654.424 25.750 .000 252.8 44.47 3349.7 2633.095 25.833 .000 218.2 44.22 3336.2 2611.621 25.917 .000 189.8 43.97 3322.7 2590.044 26.000 .000 164.6 43.72 3309.2 2568.388 26.083 .000 139.5 43.46 3295.5 2546.652 26.167 .000 114.9 43.21 3281.9 2524.841 26.250 .000 82.9 42.95 3268.1 2502.904 26.333 .000 70.7 42.70 3254.4 2480.978 26.417 .000 42.1 42.44 3240.6 2458.949 26.500 .000 42.1 42.18 3226.8 2437.017 26.583 .000 25.4 41.93 3212.8 2415.065 26.667 .000 25.4 41.67 3198.4 2393.212 26.750 .000 17.6 41.42 3183.6 2371.408 26.833 .000 17.6 41.16 3168.8 2349.705 26.917 .000 13.1 40.91 3154.2 2328.073 27.000 .000 13.1 40.66 3139.5 2306.541 27.083 .000 10.8 40.41 3125.0 2285.093 27.167 .000 10.8 40.16 3110.5 2263.745 27.250 .000 8.8 39.91 3096.0 2242.483 - 27.333 .000 8.8 39.66 3081.7 2221.320 27.417 .000 7.5 39.42 3067.4 2200.247 27.500 .000 7.5 39.17 3053.1 2179.271 27.583 .000 6.4 38.93 3038.9 2158.386 27.667 .000 6.4 38.69 3024.8 2137.598 27.750 .000 5.3 38.44 3010.8 2116.899 27.833 .000 5.3 38.20 2996.8 2096.297 27.917 .000 4.5 37.96 2982.6 2075.786 28.000 .000 4.5 37.70 2967.2 2055.381 28.083 .000 3.7 37.44 2950.7 2035.085 28.167 .000 3.7 37.18 2934.3 2014.902 28.250 .000 3.2 36.92 2917.9 1994.828 28.333 .000 3.2 36.66 2901.7 1974.866 28.417 .000 2.6 36.40 2885.5 1955.011 28.500 .000 2.6 36.15 2869.4 1935.268 28.583 .000 2.1 35.90 2853.5 1915.630 28.667 .000 2.1 35.65 2837.6 1896.102 28.750 .000 1.7 35.39 2821.8 1876.681 28.833 .000 1.7 35.15 2806.0 1857.367 28.917 .000 1.3 34.90 2790.4 1838.158 29.000 .000 1.3 34.65 2774.9 1819.057 29.083 .000 1.0 34.41 2759.4 1800.059 29.167 .000 1.0 34.16 2744.0 1781.167 29.250 .000 .6 33.92 2728.4 1762.380 29.333 .000 .6 33.68 2712.1 1743.707 29.417 .000 .4 33.44 2695.1 1725.148 29.500 .000 .4 33.21 2678.3 1706.705 29.583 .000 .:........... .,....: 2661. - . _ _ _ . • ,_. -... • ..._. __ ._ _ x ..... .� •.: :1 ,....: •_ � 29.667 .000 .3 32.73 2645.1 1670.162 29.750 .000 .2 32.50 2628.6 1652.060 29.833 .000 .2 32.27 2612.2 1634.071 29.917 .000 .0 32.04 2595.9 1616.194 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 5.20 TO NODE 4.00 IS CODE = 1 ) > >) )UNIT - HYDROGRAPH ANALYSIS < < < << (UNIT - HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .494 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 16.884 WATERCOURSE LENGTH = 26600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 14000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 330.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 1870.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .320 LOW LOSS FRACTION = .282 • * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .57 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.84 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.25 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 .965 218.188 2 3.460 564.292 3 9.267 1313.276 4 18.654 2122.795 5 29.627 2481.700 6 43.027 3030.550 7 57.795 3339.754 8 70.260 2818.897 9 79._708 -' . _ 21 4.732 10 86.377 1508.242 11 90.722 982.534 12 93.931 725.855 13 96.053 479.846 -^ 14 97.442 314.175 15 98.184 167.774 16 98.501 71.605 17 98.817 71.605 18 99.134 71.605 19 99.450 71.605 20 99.767 71.605 21 100.000 52.680 = TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 408.8659 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1073.4580 ... = 60 = = =____== == == = = = = == 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = == - ---=- = - - -_ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 450.0 900.0 1350.0 1800.0 15.083 572.3188 1084.93 . . .V 0 . 15.167 579.8406 1092.17 . . .V 0 . 15.250 587.3990 1097.48 . . .V Q . 15.333 594.9858 1101.60 . . V 0 . 15.417 602.5621 1100.07 . . . V 0 . 15.500 610.0667 1089.67 . . . V Q . . 15.583 617.3694 1060.36 . . . Q . 15.667 624.3370 1011.69 . . QV . 15.750 630.9360 958.17 . . .0 V . 15.833 637.1081 896.20 . Q. V . . 15.917 642.8802 838.11 . . 0 . V . 16.000 648.4891 814.41 . . 0 . V . 16.083 654.5283 876.90 . . Q. V . 16.167 661.4551 1005.77 0 V 16.250 669.9648 1235.61 . . V Q . 16.333 680.0526 1464.74 . . . V . 0 . 16.417 690.9934 1588.61 . . . V 0 . 16.500 702.8690 1724.33 . . . V 0 . 16.583 715.1188 1775.68 . . . V Q. 16.667 726.4522 1645.62 . V Q . 16.750 736.5953 1472.79 . . . V . Q . 16.833 745.7641 1331.30 . . V Q. . 16.917 754.2858 1237.36 . . QV . . 17.000 762.5632 1201.88 . . . Q V . . 17.083 770.5641 1161.72 . . Q V . . 17.167 778.3316 1127.85 . . . 0 V. . 17.250 785.7846 1082.17 . 0 V. . 17.333 792.9215 1036.28 . . . 0 V. . 17.417 799.8273 1002.72 . . . Q V. . 17.500 806.4263 958.18 . .Q V 17.583 812.6554 904.47 . Q V . 17.667 818.5301 853.01 . Q . V . 17.750 824.0762 805.30 . . Q V . 17.833 829.3107 760.05 . Q . V . 17.917 834.3671 734.18 . . 0 .V . 18.000 839.2777 713.03 . . Q . -V . ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 4.00 TO NODE 5.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD( <((< = == _--____ _______________ _______ THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = 1.50 UPSTREAM ELEVATION = 1380.00 DOWNSTREAM ELEVATION = 1330.00 CHANNEL LENGTH(FT) = 2400.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4678.60 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 3344.58 CHANNEL NORMAL VELOCITY FOR Q = 3344.58 CFS = 30.94 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .948 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = 1.000 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 3715.8 3710.1 15.167 3736.9 3731.7 15.250 3756.4 3751.6 15.333 3775.0 3770.4 15.417 3788.0 3784.8 15.500 3792.0 3791.0 15.583 3776.2 3780.1 15.667 3740.2 3749.0 15.750 3698.8 3708.9 15.833 3648.8 3661.1 15.917 3602.9 3614.2 16.000 359f.7 3594.5 16.083 3667.5 3649.0 16.167 3811.8 3776.4 16.250 4059.9 3999.1 16.333 4309.1 4248.0 16.417 4453.0 4417.7 16.500 4607.1 4569.3 16.583 4678.6 4661.1 16.667 4563.0 4591.3 16.750 4408.3 4446.2 16.833 4285.2 4315.4 16.917 4208.8 4227.6 17.000 4188.7 4193.7 17.083 4162.4 4168.9 17.167 4142.3 4147.2 17.250 4110.0 4118.0 17.333 4077.2 4085.2 17.417 4056.2 4061.3 17.500 4024.0 4031.9 17.583 3982.7 3992.8 17.667 3943.5 3953.1 17.750 3908.1 3916.8 17.833 3875.0 3883.1 17.917 3861.2 3864.5 18.000 3851.9 3854.2 18.083 3845.8 3847.3 18.167 3840.2 3841.6 18.250 3835.1 3836.4 18.333 3829.8 3831.1 18.417 3823.9 3825.3 18.500 3816.9 3818.6 18.583 3808.9 3810.9 18.667 3802.1 3803.8 18.750 3797.4 3798.5 18.833 3795.1 3795.7 18.917 3794.3 3794.5 19.000 3794.3 3794.3 19.083 3795.0 3794.8 19.167 3796.2 3795.9 19.250 3797.9 3797.5 19.333 3799.9 3799.4 19.417 3801.9 3801.4 19.500 3803.9 3803.4 19.583 3805.9 3805.4 19.667 3807.9 3807.4 19.750 3810.0 3809.5 19.833 3812.2 3811.6 19.917 3814.3 3813.8 20.000 3816.4 3815.9 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** + FLOW PROCESS FROM NODE 4.40 TO NODE 5.00 IS CODE = 1 >>) >>UNIT- HYDROGRAPH ANALYSIS << <<< 001 (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .112 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 74.719 WATERCOURSE LENGTH = 6200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 1900.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 100.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 117.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .155 LOW LOSS FRACTION = .127 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .55 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.13 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.52 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.80 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.15 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.55 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: S- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 17.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 9.830 139.087 - Z 58.053 682.339 3 91.796 477.456 4 98.450 94.158 5 99.484 14.629 6 99.794 4.380 7 99.948 2.190 8 100.000 .730 � TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 11.2542 TOTAL STORM RUNOFF VOLUMECACRE-FEET) = 79.1172 -_ � 111 W = ' � = =____ =_= = =_ = = =_ __ _______________________________ 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 75.0 150.0 225.0 300.0 15.083 45.0888 83.55 . .Q . V . 15.167 45.6659 83.80 . .Q V • • __ 15.250 46.2448 84.05 . .Q V • • • 15.333 46.8256 84.34 . .Q V 15.417 47.3795 80.43 Q V • • 15.500 47.7949 60.31 Q . . V 15.583 48.1226 47.58 Q . . V . 15.667 48.4557 48.36 Q . . V . 15.750 48.8135 51.96 . Q V • -- 15.833 49.2012 56.29 . Q . V • 15.917 49.6422 64.03 . Q • V • 16.000 50.2103 82.49 . Q • V . 16.083 51.1279 133.23 . • Q V . 16.167 52.7963 242.26 . . V . Q . 16.250 54.0469 181.58 . . . Q V . 16.333 54.6318 84.93 . .12 • V . '- 16.417 55.0440 59.85 Q . • V . 16.500 55.5336 71.10 Q. V . . 16.583 56.0995 82.16 . Q V . . 16.667 56.6757 83.66 . .Q . V . 16.750 57.2498 83.36 . .Q V . . 16.833 57.8216 83.03 . .Q . V. . 16.917 58.3913 82.72 .0 V. . 17.000 58.9589 82.42 . Q V. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *3 FLOW PROCESS FROM NODE 5.00 TO NODE 7.00 IS CODE = 5 > >)> >MODEL CHANNEL ROUTING BY THE CONVEX METHOD(< <(< THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 24.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1330.00 DOWNSTREAM ELEVATION = 1280.00 CHANNEL LENGTH(FT) = 3200.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4743.21 AVERAGE FLOWRATE IN EXCESS OF 50. MAXIMUM INFLOW = 3384.23 CHANNEL NORMAL VELOCITY FOR Q = 3384.23 CFS = 29.96 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .946 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR__ .999 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 3793.7 3785.6 15.167 3815.5 3808.2 15.250 3835.7 3828.9 15.333 3854.8 3848.3 15.417 3865.3 3861.7 15.500 3851.3 3856.0 15.583 3827.7 3835.7 15.667 3797.4 3807.6 15.750 3760.9 3773.2 15.833 3717.4 3732.1 15.917 3678.2 3691.5 16.000 3677.0 3677.4 16.083 3782.2 3746.7 16.167 4018.7 3938.8 . _ 16.250 4180.7 4125.9 16.333 4332.9 4281.4 16.417 4477.5 4428.6 _ 16.500 4640.4 4585.3 16.583 4743.2 4708.4 16.667 4675.0 4698.0 16.750 4529.6 4578.7 r 16.833 4398.4 4442.8 16.917 4310.3 4340.1 17.000 4276.1 4287.7 17.083 4248.5 4257.8 17.167 4214.3 4225.9 17.250 4175.5 4188.6 17.333 4139.9 4151.9 17.417 4114.5 4123.1 17.500 4083.9 4094.2 17.583 4043.7 4057.2 17.667 4003.0 4016.7 17.750 3965.7 3978.3 17.833 3931.2 3942.9 17.917 3911.9 3918.4 18.000 3900.8 3904.6 18.083 3892.9 3895.6 18.167 3884.9 3887.6 18.250 3877.9 3880.3 18.333 3871.8 3873.9 18.417 3865.4 3867.6 18.500 3858.1 3860.6 18.583 3849.9 3852.6 18.667 3842.3 3844.8 18.750 3836.5 3838.5 18.833 3833.2 3834.4 18.917 3831.6 3832.2 19.000 3831.0 3831.2 19.083 3831.1 3831.1 19.167 3831.8 3831.6 19.250 3833.0 3832.6 19.333 3834.5 3834.0 19.417 3836.2 3835.6 19.500 3837.8 3837.3 19.583 3839.5 3839.0 19.667 3841.3 3840.7 19.750 3843.0 3842.4 19.833 3844.8 3844.2 19.917 3846.7 3846.1 .. ... -.._ .a,. q.` r.Y..e .e.._. w a.:...•.:...: w.• X q,u- sCi..u..., .. , -� - ..- rn.+- ..`m - .- .-. +n 20.000 3848.5 3847.9 - { ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *r FLOW PROCESS FROM NODE 7.00 TO NODE 7.00 IS CODE = 1 >))) )UNIT - HYDROGRAPH ANALYSIS((((( ______=======________ =____ :________ =__ = = = = === = = = = = == =sass =: _ = = = = =m =ss = ==s (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .483 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 17.264 WATERCOURSE LENGTH = 26900.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11300.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 250.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 2302.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) _ .358 LOW LOSS FRACTION = .320 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL (INCH)= .55 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.17 • SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.52 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.75 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.00 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.30 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5-- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 =_ =- =-- - - - = =_ = r==== = = = = = = = = = === = = = = =______________ UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 .987 274.643 2 3.590 724.682 3 9.722 1707.199 4 19.502 2722.854 5 30.838 3155.835 6 44.916 3919.212 7 59.769 4135.256 8 72.103 3433.701 9 81.111 2507.828 10 87.479 1772.823 11 91.557 1135.243 12 94.580 841.753 13 96.486 530.631 14 97.771 357.511 15 98.287 143.825 16 98.611 90.143 17 98.935 90.126 18 99.259 90.141 19 99.582 90.126 20 99.906 90.126 21 100.000 26.155 ma Air TOTAL SOIL —LOSS VOLUME(ACRE —FEET) = 541.7889 TOTAL STORM RUNOFF VOLUME(ACRE —FEET) = 1189.9090 Aviv err ar . ' - - 24-HOUR STORM RUNOFF HYDROGRAPH HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 525.0 1050.0 1575.0 2100.0 15.083 630.7078 1214.87 . . .V Q . . 15.167 639.1375 1223.99 . . .V Q . . 15.250 647.6102 1230.24 . . .V Q . . 15.333 656.1227 1236.02 . . . VQ . . 15.417 664.6293 1235.15 . . . VQ . . 15.500 673.0560 1223.57 . . . VQ • . 15.583 681.2424 1188.66 . . . 0 . • 15.667 689.0321 1131.07 . . .0 V . . 15.750 696.3888 1068.19 . . 0 V . . 15.833 703.2415 995.01 . . 0 . V . . 15.917 709.6671 933.01 . . 0 . V . . 16.000 715.9716 915.41 . . 0 . V . . 16.083 722.8801 1003.11 . . Q. V . . 16.167 730.9615 1173.43 . . . Q V . . 16.250 741.0596 1466.23 . . . V 0 . . 16.333 753.0783 1745.12 . . . V . 0 . 16.417 766.0947 1889.98 . . . V . 0 . 16.500 780.2626 2057.18 . . . V . Q. 16.583 794.5735 2077.95 . . . V . Q. 16.667 807.6461 1898.13 . . . V . 0 . 16.750 819.1497 1670.31 . . . V .0 . 16.833 829.5468 1509.66 . . . VQ . . 16.917 939.1706 1397.38 . . . 0 V . . 17.000 848.5074 1355.70 . . . Q V . . 17.083 857.4781 1302.54 . . . 0 V ~ . 17.167 866.1819 1263.79 . . . 0 V. . 17.250 874.4420 1199.37 . . . 0 V. . 17.333 882.3831 1153.04 . . .0 V. . 17.417 890.0099 1107.42 . . .0 V. . 17.500 897.2236 1047.43 . . Q. V . 17.583 903.9537 977.21 . . 0 . V . 17.667 910.2377 912.42 . . 0 . V . 17.750 916.0754 847.64 . . 0 . V . 17.833 921.5974 801.78 . . Q . V . 17.917 926.9113 771.58 . . 0 . .V . 18.000 932.0543 746.77 . . 0 . .V . **************************************************************************** FLOW PROCESS FROM NODE 7.00 TO NODE 8.00 IS CODE = 5 >>>>>MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<<< THE MODIFIED C-ROUTING COEFFICIENT IS'ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5-MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1280.00 DOWNSTREAM ELEVATION = 11 90.00 CHANNEL LENGTH(FT) = 6000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 6786.36 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 4397.52 CHANNEL NORMAL VELOCITY FOR Q = 4397.52 CFS = 31.80 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .949 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = .987 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 5000.4 4978.1 15.167 5032.1 5012.8 15.250 5059.1 5042.6 15.333 5084.3 5068.9 15.417 5096.9 5089.1 15.500 5079.6 5089.9 15.583 5024.3 5057.8 15.667 4938.7 4990.7 15.750 4841.4 4900.7 15.833 4727.1 4796.7 15.917 4624.5 4687.2 16.000 4592.8 4612.7 16.083 4749.8 4655.5 16.167 5112.2 4892.6 16.250 5592.1 5300.1 16.333 6026.6 5761.0 16.417 6318.6 6139.2 16.500 6642.5 6445.0 16.583 6786.4 6697.1 16.667 6596.1 6709.5 16.750 6249.0 6459.6 16.833 5952.5 6133.9 16.917 5737.5 5869.4 17.000 5643.4 5701.8 17.083 5560.4 5611.1 17.167 5489.7 5532.9 17.250 5388.0 5449.8 17.333 5305.0 5355.8 17.417 5230.5 5276.0 17.500 5141.6 5195.8 17.583 5034.5 5099.7 17.667 4929.2 4993.5 17.750 4826.0 4889.0 17.833 4744.7 4794.5 17.917 4690.0 4723.6 18.000 4651.3 4675.1 18.083 4621.1 4639.6 18.167 4594.1 4610.6 18.250 4571.1 4585.2 18.333 4550.0 4562.9 18.417 4529.5 4542.1 18.500 4508.6 4521.4 18.583 4487.0 4500.2 18.667 4466.5 4479.1 18.750 4449.4 4459.9 18.833 4435.6 4444.0 18.917 4424.6 4431.4 19.000 4415.4 4421.0 19.083 4407.5 4412.3 19.167 4400.7 4404.9 19.250 4394.8 4398.4 19.333 4389.7 4392.8 19.417 4385.0 4387.9 19.500 4380.6 4383.3 19.583 4376.5 4379.0 19.667 4372.7 4375.0 19.75 0 4369.1 4371.3 19.833 4365.7 4367.8 19.917 4362.6 4364.5 20.000 4359.7 4361.5 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ••• FLOW PROCESS FROM NODE 8.00 TO NODE 8.00 IS CODE = 1 > > >> )UNIT- HYDROGRAPH ANALYSIS((((( (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .276 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 30.209 �., WATERCOURSE LENGTH = 15800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 6200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 150.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 1496.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED -- MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .333 LOW LOSS FRACTION = .310 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .52 ... SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.08 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.45 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.63 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 3.88 ... SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 8.85 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 "'" 1 -HOUR FACTOR = .564 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 �,. 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 WI MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 r�. UNIT HYDROGRAPH DETERMINATION .. INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) - ' . '^'.' -. _ . 1 1.889 341.789 11.106 1667.571 = 3 29.451 3318.951 4 54.292 4494.285 75.560 3847.986 6 87.872 2227.521 = 7 94.162 1137.999 8 97.294 566.658 9 98.408 201.511 10 98.975 102.470 11 99.452 86.349 12 99.781 59.495 13 99.945 29.747 14 100.000 9.916 = TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 324.8717 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 746.0472 = ~~ ~~ so =« Ant in nu' _ ....e .... ___ ..:...r....3._ _ ._..aaY:.. . _: . . u0.l.• _... s' . wYS ni.',tl, ^ >*3' .. w ...c _i:i: •nfi. _ -•• -_ = ================= = = == == .. = ==== ===== ======= === =-a 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 450.0 900.0 1350.0 1800.0 15.083 409.3340 782.47 . . Q .V . 15.167 414.7424 785.29 . . Q . V . 15 .250 420.1705 788.17 . . 0 . V . 15.333 425.6204 791.32 Q V 15.417 431.0412 787.10 . . Q V . 15.500 436.2339 753.98 0 . V . 15.583 440.9613 686.42 . Q V 15.667 445.0821 598.34 . . Q V . 15.750 448.7541 533.17 .0 V 15.833 452.2949 514.12 .Q V . 15.917 455.9596 532.12 . .Q . V . 16.000 460.0256 590.38 . 0 V . 16.083 465.2620 760.32 . 0 V . 16.167 473.0527 1131.22 0 • 16.250 483.5282 1521.04 . . . V 0 • 16.333 495.4145 1725.88 . . . V 0 . -- 16.417 505.8422 1514.11 . . . V Q • 16.500 513.5903 1125.03 . Q V . . 16.583 519.7116 888.81 . Q. V . • 16.667 525.2632 806.10 . Q V . . 16.750 530.6 230 778.23 . 0 V . . 16.833 536.0273 784.71 . . 0 . V . . 16.917 541.4852 792.48 . . Q V. . 17.000 546.9255 789.94 . . Q . V. . 17.083 552.2744 776.65 . . Q . .V. . 17.167 557.4207 747.25 . . Q V. . 17.250 562.2302 698.34 . . Q V . 17.333 566.6003 634.53 . . Q V . 17.417 570.5712 576.57 . . Q V . 17.500 574.2743 537.70 . .Q V . 17.583 577.8024 512.28 . .Q V . 17.667 581.2080 494.49 Q .V . 17.750 584.5271 481.94 . Q . .V . 17.833 587.7731 471.32 0 .V . 17.917 590.9518 461.55 . Q .V . 18.000 594.0695 452.67 . 0 . .V . ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 4.00 TO NODE 7.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD < <( << = ======================================== == THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguet,1972, • U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 18.00 CHANNEL Z = .00 UPSTREAM ELEVATION = - 1380.00_- ._ - • DOWNSTREAM ELEVATION = 1280.00 CHANNEL LENGTH(FT) = 5450.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4068.02 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 2996.25 CHANNEL NORMAL VELOCITY FOR 0 = 2996.25 CFS = 31.85 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .949 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .991 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW , OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3551.4 3550.8 15.167 3551.9 3551.6 15.250 3552.5 3552.2 15.333 3553.2 3552.8 15.417 3549.9 3551.7 15.500 3532.7 3542.1 15.583 3487.0 3512.0 15.667 3260.8 3384.5 15.750 3050.9 3166.6 15.833 2932.9 2998.4 15.917 2880.5 2909.7 16.000 2890.4 2885.3 16.083 3090.1 2981.0 16.167 3666.2 3350.7 16.250 3935.7 3785.6 16.333 4068.0 3994.4 16.417 4037.'9 4053.6 16.500 3824.9 3941.3 16.583 3657.4 3749.9 16.667 3585.3 3625.5 16.750 3559.4 3573.9 16.833 3546.3 3553.6 16.917 3553.5 3549.6 17.000 3559.1 3556.0 17.083_ 3555.7 3557.5 17.167 3535.5 3546.6 • 17.250 3513.5 3525.6 17.333 3483.6 3500.0 17.417 3439.0 3463.5 17.500 3339.6 3394.1 17.583 3259.6 3303.8 17.667 3185.4 3226.3 17.750 3110.3 3151.6 17.833 3038.9 3078.2 17.917 2980.9 3012.9 18.000 2935.5 2960.6 18.083 2892.4 2916.1 18.167 2842.3 2869.9 18.250 2776.7 2812.8 18.333 2693.0 2739.0 18.417 2608.6 2655.1 18.500 2535.2 2575.7 18.583 2466.2 2504.2 18.667 2395.3 2434.4 18.750 2321.8 2362.3 18.833 2256.3 2292.4 18.91 2204.6 ,Z233.1 19.000 2161.8 2 185.5 19.083 2123.2 2144.5 19.167 2087.7 2107.3 19.250 2054.4 2072.8 19.333 2022.6 2040.2 19.417 1992.6 2009.1 19.500 1965.1 1980.2 19.583 1939.6 1953.6 N M 19.667 1915.4 1928.8 19.750 1892.3 1905. 1 19.833 1870.4 1882.5 *. 19.917 1849.3 1860.9 20.000 1828.1 1839.8 .rr #` ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +• FLOW PROCESS FROM NODE 6.20 TO NODE 7.00 IS CODE = 1 > > >> )UNIT- HYDROGRAPH ANALYSIS< < < << _ (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAS" TIME = .282 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 29.588 WATERCOURSE LENGTH = 10600.000 FEET • LENGTH FROM CONCENTRATION POINT TO CENTROID = 5400.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 140.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 799.000 ACRES ... BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .389 LOW LOSS FRACTION = .347 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .55 �.• SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.13 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.50 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.78 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.10 SPECIFIED PEAK 24 -HOUR RAINFALL( INCH)= 9.30 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: rr 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 - 1 -HOUR FACTOR = .564 �. 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 ,�. 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 "M MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 rrr 4M ■r UNIT HYDROGRAPH DETERMINATION �. INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) - _' _ ' ' - --_`�' ',— '___ 1 1.839 177.682 ~� 2 10.633 849.814 3 28.365 1713.402 = 4 52.419 2324.260 5 74.011 2086.471 6 86.880 1243.498 = 7 93.525 642.086 8 96.965 332.469 9 98.309 129.850 ms 10 98.864 53.606 11 99.385 50.382 ~� 12 99.754 35.632 13 99.939 17.816 14 100.000 :].93B air TOTAL SOIL—LOSS VOLUME(ACRE—FEET) = 204.0456 TOTAL STORM RUNOFF VOLUME(ACRE—FEET) = 397.0168 INA = •• == =~ �Nft °= a.* 41M1 NMI �111 _ _ . _ . -. -. _. -u...- uY.s ua a.W:f..1'l'i. antis$ a. �uu1b :.XW.ve_:yy•+wOw'ti - . w+4.3r'iaL - . a_w.s.a5r = _--- = -N --.= =_==== === = == = =_== = == = == = =_ === = === = = == 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = == =- = = == =_ =__== = = == __ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 250.0 500.0 750.0 1000.0 15.083 217.3817 422.84 . Q .V . 15.167 220.3005 423.80 . . Q . V . _ 15.250 223.2256 424.74 . Q . V . 15.333 226.1579 425.76 . . Q . V . 15.417 229.0690 422.70 . . 0 V .- . 15.500 231.8523 404.14 . . Q V . 15.583 234.3767 366.53 . 0 . V . 15.667 236.5636 317.54 . . 0 V . 15.750 238.4834 278.75 . .0 V . . 15.833 240.3122 265.54 . 0 V . 15.917 242.1987 273.92 . Q V . . 16.000 244.2938 304.21 . . 0 V . 16.083 247.0141 394.99 . Q V . _ 16.167 251.1021 593.58 0 V 16.250 256.6758 809.30 . . . V . Q . 16.333 263.0544 926.17 . . . V . 0 . 16.417 268.7902 832.83 . . . V . Q . 16.500 273.0573 619.60 . . . Q V . . 16.583 276.3824 482'.80 . . Q. V . . 16.667 279.3749 434.51 . 0 . V . . 16.750 282.2570 418.48 . 0 V . . 16.833 285.1473 419.67 .. . 0 . V . . 16.917 288.0885 427.07 . Q V. . -_ 17.000 291.0317 427.36 . . Q V. . 17.083 293.9314 421.03 . . 0 . V. . 17.167 296.7241 405.50 . 0 V. . __ 17.250 299.3359 379.23 . Q V . 17.333 301.7100 344.72 . . Q V • 17.417 303.8585 311.97 . . 0 V . 17.500 305.8533 289.65 .0 V . 17.583 307.7484 275.16 .0 • .V . 17.667 309.5736 265.02 . Q . .V • 17.750 311.3499 257.91 . Q .V . 17.833 313.0868 252.19 . 0 .V . 17.917 314.7869 246.85 . Q. .V . 18.000 316.4536 242.01 . Q. .V . ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 7.00 TO NODE 8.00 IS CODE = 5 > > >> )MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( ____ _________ -=== ======= =_ = == = == = = = = = = = = = = = == = = = = = = = =_ THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguet,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = .00 UPSTREAM ELEVATION _ __ ... 1280.00 __. DOWNSTREAM ELEVATION = 1190.00 CHANNEL LENGTH(FT) = 6000.00 MANNINOS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4920.54 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3426.86 CHANNEL NORMAL VELOCITY FOR Q = 3426.86 CFS = 29.41 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .945 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .981 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3973.6 3972.2 15.167 3975.4 3974.2 15.250 3977.0 3975.9 15.333 3978.6 3977.5 15.417 3974.4 3977.1 15.500 3946.2 3964.6 15.583 3878.6 3922.9 15.667 3702.0 3817.5 15.750 3445.4 3614.3 15.833 3263.9 3384.9 15.917 3183.7 3238.1 16.000 3189.5 3186.7 16.083 3376.0 3254.8 16.167 3944.3 3572.9 16.250 4594.9 4165.3 16.333 4920.5 4701.0 16.417 4886.5 4904.5 16.500 4560.9 4772.7 16.583 4232.7 4449.8 _- 16.667 4060.0 4176.2 16.750 3992.4 4038.5 16.833 3973.3 3986.5 16.917 3976.7 3974.7 17.000 3983.4 3979.0 17.083 3978.6 3981.6 17.167 3952.1 3969.3 17.250 3904.9 3935.8 17.333 3844.7 3884.4 17.417 3775.4 3821.2 17.500 3683.7 3744.1 17.583 3578.9 3648.1 17.667 3491.3 3549.5 17.750 3409.6 3463.8 17.833 3330.4 3382.8 17.917 3259.8 3306.6 18.000 3202.6 3240.6 18.083 3153.5 3186.1 18.167 3101.8 3136.0 18.250 3037.8 3080.0 18.333 2956.3 3010.1 18.417 2865.3 2925.4 18.500 2780.4 2836.6 18.583 2704.7 2754.9 18.667 2631.4 2680.0 18.750 2556.3 2606.0 18.833 2483.7 2531.8 18.917 2421.9 2463.0 19.000 2371.8 2405.1 19.083 2328.5 2357.3 19.167 2289.1 2315.3 19.250 2252.5 2276.8 19.333 2217.9 2240.8 19.417 2185.0 2206.8 19.500 2154.2 2174.6 19.583 2125.8 2144.7 19.667 2099.2 2116.9 ,,, 19.750 2073.9 2090.7 19.833 2049.7 2065.7 �,. 19.917 2026.6 2041.9 20.000 2003.9 2018.9 ,." ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 8.10 TO NODE 8.00 IS CODE = 1 )))))UNIT-HYDROGRAPH ANALYSIS((((( (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .235 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 35.448 .�, WATERCOURSE LENGTH = 8600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 6100.000 FEET °`" ELEVATION VARIATION ALONG WATERCOURSE = 105.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 512.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .197 LOW LOSS FRACTION = .196 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .52 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.07 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.44 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.65 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 3.92 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 8.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: A. 5- MINUTE FACTOR = .520 30- MINUTE FACTOR = .548 1 -HOUR FACTOR = .564 _ 3 -HOUR FACTOR = .883 6 -HOUR FACTOR = .947 ,., 24 -HOUR FACTOR = .971 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 me UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) ' - • ' ' ` • _^ • `- ``,,' . • 1 2.382 147.512 2 15.406 806.441 = 3 39.770 1508.628 4 68.124 1755.654 5 85.719 1089.503 6 93.893 • 506.132 woo 7 97.495 • 223.023 8 98.579 67.097 ~m 99.239 40.895 war 10 99.696 28.269 11 99.924 14.135 � 12 100.000 4.711 = TOTAL SOIL—LOSS VOLUME(ACRE—FEET) = 69.8()70 TOTAL STORM RUNOFF VOLUME(ACRE—FEET) = 294.6189 = = ~~ ~~ IS 4111 tin moo im 0. 00 2 4 - H O U R S T O R M °. R U N O F F H Y D R O G R A P H tw HYDROGRAPHIN FIVE-MINUTE INTERVAB(CB) = tw TIME(HRS) VOLUME(AF) Q(CFS) 0. 175.0 350.0 525.0 700.0 .0 15.083 163.2326 317.31 . . Q . V . . 00 15.167 165.4237 318.15 . . Q . V . . 15.250 167.6209 319.03 . . Q . V . . 00 15.333 169.8248 320.01 . . Q . V . . °= 15.417 172.0092 317.18 . . Q . V . . 15.500 174.0566 297.29 . . Q . V . . 0. 15.583 175.8486 260.19 . . 0. . V . . 15.667 177.3618 219.72 . . 0 . V . ~ °= 15.750 178.7451 20().85 . O. . V . . �� 15.833 180. 1296 201.02 . .0 . V . . 15.917 181.5991 213.37 . . g . V . • =~ 16.000 183.2772 243.66 . . 0 . V . • 16.083 185.5026 323.12 . . Q . V . . ~~ 16.167 188.9588 501.84 . . . V Q . . �~ 16.250 193.4830 656.91 . . . V . 0 . 16.333 198.1382 675.94 . . . V . 0 . ~~ 16.417 201.5817 499.99 . . . \/Q . • 16.500 204.0543 359.02 . . Q V . . ~� 16.583 206. 1700 307.19 . . Q . V . . 16.667 208.2477 301.70 . . Q . V . . ~~ 16.750 210.4111 314.12 . . Q . V . . °� 16.833 212.6078 318.95 . . Q . V . . 16.917 214.8003 318.36 . . Q . V. . ~~ 17.000 216. 9748 315.74 . . Q . V. . 17.083 219.1217 311.72 . . Q . V. . °.. 17. 167 221. 1759 298.27 . . Q . V . ~~ 17.250 223. 0568 273.11 . . Q . V . 17.333 224.7297 242.91 . . 0 . V . = 17.417 226.2584 221.97 . . 0 . V . 17.500 227.7027 209.71 . .0 . V . ^- 17.583 229.0932 201.89 . .Q . .V . = 17.667 230.4479 196.70 . .0 . .V . 17.750 231.7717 192.21 . 0 . .V . 005 17.833 233.0676 188.18 . Q . ,V . 17.917 234.3390 184.60 . Q . .V . at 18.000 235.5883 181.39 . 0 . .V . me MI **************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 8.00 IS CODE = 7 �. >>}}>STREAM NUMBER 3 ADDED TO STREAM NUMBER 1((<<( iw Mk ON **************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 8.00 IS CODE = 11 =w ��>}VIEW STREAM NUMBER 1 HYDROGRAPH(<<�( �� = 00 STREAM HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) tor - ., ‘.... .... ..... r... . . , . ... .„..,. ,...,..• 1... ,. wa^ Y . a ■ ,.... .. st.r* Ay4, 1.44,,,,,,. .. v...v .,a . a v tv "...‘ .,....A.., , ......,,..,..,.. a ., w . . ,,..,,,,,,, ,... . y .,,,.., y ,,, ,.,, j 4 ‘,...,, ,,,,..,,...., ....„ 4 ,... ,. . TIME(HRS) VOLUME(AF) Q(CFS) 0. 3275.0 6550.0 9825.0 13100.0 14.083 5196.3420 7769.41 . . V . Q . 14.167 5250.6980 7892.48 . . V . 0 14.250 5306.4750 8098.77 . . V . Q . 14.333 5364.2660 8391.24 . . V • Q 14.417 5424.3160 8719.37 . . V • Q . . 14.500 5486.5050 9029.73 . . V • Q . . 14.583 5550.5330 9296.94 • . V • Q . . 14.667 5616.0850 9518.12 . . V • Q. . 14.750 5682.8870 9699.68 . V • Q. . 14.833 5750.6780 9843.23 . • V . 0 14.917 5819.1430 9941.08 . . V • Q . 15.000 5888.0310 10002.53 . . V • 0 . 15.083 5957.2460 10050.03 . . V • Q . 15.167 6026.7390 10090.41 . . V • Q . 15.250 6096.4750 10125.75 . . V • 0 . 15.333 6166.4320 10157.76 . . V • .Q . 15.417 6236.4770 10170.49 • . V • .0 . 15.500 6306.0760 10105.73 • • V • Q . 15.583 6374.4450 9927.22 . • V • 0 . 15.667 6440.7420 9626.34 . . V • Q. . 15.750 6504.4400 9249.01 • . V • Q . . 15.833 6565.7130 8896.84 • • V • 0 . . 15.917 6625.4290 8670.75 . . V • 0 . . 16.000 6684.8880 8633.47 • . V • 0 . . 16.083 6746.8290 8993.74 . . V • Q . . 16.167 6816.3780 10098.58 . . V • 0 . - 16.250 6896.5660 11643.40 . . V . . Q . 16.333 6985.1600 12863.81 . . V . • Q. 16.417 7075.0900 13057%79 . . V . • Q. 16.500 7162.5680 12701.82 . . V. • 0 . 16.583 7247.5740 12342.90 • V. • Q - 16.667 7330.1740 11993.53 . • V. . 0 . 16.750 7409.9980 11590.44 . . V. • Q . - 16.833 7487.2990 11224.11 • . V. • 0 . 16.917 7562.7460 10954.94 • . V . 0 . 17.000 7637.0330 10786.50 . . V • Q . 17.083 7710.5950 10681.12 • • V • Q . 17.167 7783.2380 10547.79 • • V . Q . 17.250 7854.5680 10357.11 • . V .0 . 17.333 7924.2490 10117.63 • • .V 0 . 17.417 7992.4010 9895.77 . • .V 0 . 17.500 8059.1190 9687.32 • . .V Q. . 17.583 8124.2840 9462.03 . • .V Q . . 17.667 8187.8800 9234.19 . . •V 0 . . 17.750 8250.0490 9026.90 . . •V Q . . 17.833 8310.9080 8836.81 . . . V 0 . . 17.917 8370.6630 8676.37 • . . V 0 . . 18.000 8429.5460 8549.74 • . . V Q . . 18.083 8487.7270 8447.87 . . • V Q . . 18.167 8545.2590 8353.69 . • . V 0 . . 18.250 8602.0990 8253.19 • • . V Q . 18.333 8658.1560 8139.58 • . • V 0 18.417 8713.3620 8015.94 . . . V0 . 18.500 8767.7230 7893.06 . . . VQ . 18.583 8821.3030 7779.79 . . . Q . 18.667 8874.1620 7675.13 . . . Q . 18.750 8926.3270 7574.41 . . . Q . 18.833 8977.8240 7477.40 . . • QV • 18.917 9028.7140 7389.23 . . • QV . 19.000 9079.0910 7314.77 . . . Q V . • 19.083 9129.0370 7252.26 . . . 12 V . 19.167 9178.6040 7197.13 . . .Q V • 19.250 9227.8250 7146.80 • . .0 V . _19.333 9276.7240 7loo,oe ._ _ . . .Q ,V , - - ' - -- —' ' - `` ' ' 19.417 9325.3190 7056.05 . . .Q V . . 19.500 9373.6280 7014.46 . . .Q V . . 19.583 9421.6690 6975.61 . . .Q V . . =° 19.667 9469.4610 6939.34 . . .Q V . . =~ 19.750 9517.0170 6905.06 . . .Q V . . 19.833 9564.3480 6872.44 . . Q V . . ^i 19.917 9611.4640 6841.34 . . 0 V . . 20.000 9658.3740 6811.41 . . 0 V . . 0. =° END OF FLOOD ROUTING ANALYSIS .0 em �4 Nu we AS AN AM AM = AM AM MN AM we MA /NM AM AIR mw ma mi nom mm mm = ROSCOE WILLIAMS LINDGREN & SHORT c APPENDIX VI Etiwanda / San Sevaine Watersheds To Jurupa Basin c E c c c .' ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** F L O O D R O U T I N G A N A L Y S I S USING ORANGE /SAN BERNARDINO COUNTY UNIT- HYDROGRAPH (1986 MANUAL) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 3.OA Release Date: 7/21/88 Serial # 2124 "' Analysis prepared by: AW Fuscoe, Williams, Lindgren & Short am * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * ETIWANDA / SAN SEVAINE DRAINAGE AREA TO JURUPA BASIN WITH DIVERSION OF * * ETIWANDA FLOWS TO SAN SEVAINE BASIN 5. DEPTH AREA FACTORS FOR A=33,134 * '" * ACRES. 3100cfs MASIMUM FLOWBY OF ETIWANDA FLOWS (MINIMAL DIVERSION) * *******************************************, * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: C: \ESS \DIV \SSEDIV12.DAT TIME /DATE OF STUDY: 16: 7 2/ 4/1989 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1.00 TO NODE 1.00 IS CODE = 1 > >>> )UNIT - HYDROGRAPH ANALYSIS <( < << (UNIT - HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .456 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 18.290 WATERCOURSE LENGTH = 16200.000 FEET e., LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3520.000 FEET BASIN FACTOR = .040 WATERSHED AREA = 1262.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPEL): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .850 MOUNTAIN "S "- CURVE .F PERCENTAGE(DECIMAL NOTATION) = .149 VALLEY(UNDEVELOPED /DESERT): aa "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 4. MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .293 LOW LOSS FRACTION = .126 .•N * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .68 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.40 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.86 aa SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 4.00 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 6.50 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 16.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: s- 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 __ _ LST 'b 8L0 - ims It L9T'17 029'66 OS — LST '17 £Z9'66 6b 8ST'17 962'66 817 LST'b 692'66 Lt L9T'17 1172'66 917 6ZS'S 1712'66 St £00'6 BLb'66 bb 8LT'6 6Tb'66 Et T9L'8 62£'66 Zb Lb£'8 TOE'66 It 9017'8 LtZ'66 Ob L9S'6 Z61'66 6£ 6T0'OT 621'66 8£ O£T'Ot £90'66 LE 8SL'OI L66'86 9£ 608'0T 9Z6'86 S£ LO£'T£ SS8'86 b£ £TT'b£ OS9'86 E£ L£T ' b£ 4Z17 '86 Z£ 919'17£ £OZ'86 TE 686'17£ 9L6'L6 0£ TLT'S£ L174'46 bZ 96S'L£ 91S'L6 8? 0817'017 OLZ'L6 LZ Z917'Tb S0O'L6 9Z SLS'Sb E£L'96 SZ 6£0'917 2£17'96 bZ 6L6'19 ££1'96 £Z 8017'16 LZL'S6 ZZ IS£'£T T 8Zt 'S6 TZ 9L9'0£T S8£'b6 0Z • 6ZZ'IST 6ZS'E6 61 £69Z81 8£S 'Z6 8T 6£9'STZ TtE'T6 LT 06£'SbZ 8Z6'68 91 098'8LZ OZ£'88 ST 8S9'4Z£ £617'98 bT ZTb'9L£ Lb£'t8 £T 62£'9£17 08818 Z T T88'bTS TZ0'6L TT 6ZS'LT9 8b9'SL 01 £OZ'SSL ZO9'TL 6 B£L'TOOT 1729'99 8 884'9L9T 060'09 L 8b9'9S6Z tOT '617 9 LZ17'T1LT T£L'6Z S S6T'b£ZT 8tS'Bt b TL9'Lb8 T£b'Ot £ 1768'bbS LL8'b Z tTS'661 LO£'T T (Sd3) S31tiN I Qa0 S3111VA Nti3W a38WnN Hdti89O8QAH Inv Nn Hdti89 uSu 1VA831N I NOI1HNIWa3130 HdV88080AH 1INn . ....= _ = 00'81 = S11nS38 dO QN3 8Od (Saf OH) 3W I 1 13Q0W 00'111 = Sl1fS38 dO BNINNIB38 80d (S8nOH)3WIl 13QOW : S1 I W I l 9N I1S I "1 Hdti8908QAH ddONna ES6' = 8O13Hd anOH -t' 826' = 8013VA 81OH -9 •. . • . •.' 52 99.705 4.157 53 99.732 4.158 = 54 99.759 4.157 55 99.786 4.051 ^� 56 99.802 2.437 57 99.815 1.973 = 58 99.828 1.962 59 99.840 1.953 60 99.854 2.030 010 61 99.867 1.953 62 99.879 1.952 63 99.892 1.953 64 99.905 1.953 •mio 65 99.918 1.953 66 99.931 1.952 67 99.943 1.953 = 68 99.956 1.953 69 99.969 1.952 70 99.982 1.953 71 99.994 1.953 ~~ 72 100.000 .840 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 200.7896 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1402.0670 ~ 400 • = s= = = = =__ =--=========================== ========================== === 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H __________ = ============================================== HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 400.0 800.0 1200.0 1600.0 14.083 680.7227 1011.90 . . V. Q . 14.167 687.8308 1032.10 . . V. Q . 14.250 695.1293 1059.75 . V. . Q 14.333 702.6854 1097.13 . . V Q . . 14.417 710.5762 1145.75 . . V Q . . 14.500 719.0198 1226.01 . . V Q . 14.583 727.7576 1268.73 . . V .Q . 14.667 736.6465 1290.66 . . .V . Q . 14.750 745.6341 1305.00 . .V . Q . 14.833 754.6832 1313.93 . .V . Q 14.917 763.7689 1319.24 . .V . Q 15.000 772.8659 1320.88 . . V . Q 15.083 781.9598 • 1320.44 . . V . 0 15.167 791.0307 1317.09 . . V . 0 15.250 800.0663 1311.97 . . V . Q . 15.333 809.0485 1304.20 . . V • Q 15.417 817.9064 1286.17 . . V . 0 15.500 826.5175 1250.33 . . V •Q . 15.583 834.7940 1201:75 . . V Q . 15.667 842.6237 1136.87 . . . V Q . . W 15.750 849.8909 1055.19 . . V Q 15.833 856.2488 923.17 . . . QV . 15.917 862.2013 864.31 . . .Q V . 16.000 868.0995 856.43 . . .(2 V . . 16.083 874.3675 910.11 . . 0 V . 16.167 881.2829 1004.11 . . Q . 16.250 888.8478 1098.43 . . V Q . 16.333 897.2424 1218.90 . V Q . 16.417 906.5078 1345.34 . . . V Q . 16.500 917.1905 1551.12 . . V 0 . 16.583 925.9070 1265.63 V .Q . 16.667 933.6177 1119.60 . . VQ . 16.750 941.1744 1097.23 . . VQ . 16.833 949.2716 1175.71 V Q. . 16.917 957.7034 1224.29 . V 0 . 17.000 966.3569 1256.50 . V .12 . 17.083 975.1718 1279.92 V .0 . 17.167 984.0710 1292.16 . . V . Q 17.250 992.9753 1292.91 . V . 0 . 17.333 1001.8040 1281.89 . . . V . 0 . 17.417 1010.4350 1253.29 . . V .0 . 17.500 1018.5930 1184.52 . • Q. • 17.583 1026.4670 1143.34 . . QV. - . 17.667 1034.1720 1118.65 . Q V. . 17.750 1041.7370 1098.55 . . . Q V. . 17.833 1049.1680 1078.97 . . • . 0 V. . 17.917 1056.4650 1059.53 . . . Q V • 18.000 - 1063.6580 1044.39 . . Q V . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1.00 TO NODE 401.00 IS CODE _. 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD( «(< = = = = = = = = = = = = = = === = = == =eats=== ==== =yes= =ems =ems==== =sera = == = = == = === = = = == =secs = === === THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Au9ust,1972, U.S. Department of Commerce) . ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 20.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1960.00 DOWNSTREAM ELEVATION = 1510.00 CHANNEL LENGTH(FT) = 7000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 1551.12 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1080.88 CHANNEL NORMAL VELOCITY FOR Q = 1080.88 CFS = 33.57 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .952 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .983 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) • (CFS) 15.083 1320.4 1320.7 15.167 1317.1 1319.3 15.250 1312.0 1315.4 15.333 1304.2 1309.4 15.417 1286.2 1298.3 15.500 1250.3 1274.5 15.583 1201.7 1234.6 15.667 1136.9 1180.7 15.750 1055.2 1110.5 15.833 923.2 1012.2 15.917 864.3 905.1 16.000 856.4 862.4 16.083 910.1 874.4 16.167 1004.1 940.8 16.250 1098.4 1034.4 16.333 1218.9 1137.4 16.417 1345.3 1259.6 16.500 1551.1 1412.3 16.583 1265.6 1453.8 16.667 1119.6 1220.3 16.750 1097.2 1113.9 16.833 1175.7 1123.6 16.917 1224.3 1191.0 17.000 1256.5 1234.4 17.083 1279.9 1263.9 17.167 1292.2 1283.7 17.250 1292.9 1292.3 17.333 1281.9 1289.2 17.417 1253.3 1272.5 17.500 1184.5 1230.7 17.583 1143.3 1171.6 17.667 1118.6 1135.6 17.750 1098.5 1112.2 17.833 1079.0 1092.3 17.917 1059.5 1072.7 18.000 1044.4 1054.7 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 401.00 TO NODE 401.00 IS CODE = 1 > > >> )UNIT- HYDROGRAPH ANALYSIS((((( === = ======= = === ==== ====smm=== === = ==== == =====s==a=ss: = = == ====== ===== = == == (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .405 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 20.588 WATERCOURSE LENGTH = 21200.000 FEET • LENGTH FROM CONCENTRATION POINT TO CENTROID = 10500.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 3690.000 FEET BASIN FACTOR = .028 WATERSHED AREA = 2416.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) - = .300 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .500 - MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .190 VALLEY( UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .410 MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) _ LOW LOSS FRACTION = ..188 *HYDROGRAPH MODEL #4 SPECIFIED* • SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= '.65 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.36 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.78 • SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.55 SPECIFIED PEAK 6 -HOUR RAINFAd.L(INCH) = 5.68 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 12.90 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 14.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 =========================================================== UNIT , HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.499 437.989 2 5.885 1281.630 3 14.168 2420.052 4 25.681 3364.019 5 41.937 4749.697 6 57.979 4687.292 7. 67.564 2800.442 - ~ � . ` ` � . .. ^ �'� ` ` ` . --- ^ -` ' - 8 74.288 1964.859 . 9 79.130 1414.491 10 82.819 1078.076 . 11 85.633 822.094 . 12 87.857 649.759 13 89.552 495.372 m= 14 90.980 417.365 15 92.241 368.205 = 16 93.324 316.546 = 17 94.242 268.074 18 94.935 202.701 . 19 95.521 171.233 20 95.991 137.285 °= 21 96.304 91.549 22 96.599 85.958 . 23 96.875 80.681 .1 24 97.140 77.598 25 97.387 72.063 . 26 97.610 65.286 27 97.832 64.798 ~~ 28 98.048 63.017 ~~ 29 98.261 624364 30 98.469 60.601 ~~ 31 98.600 38.340 32 98.704 30.324 . 33 98.801 28.447 34 98.897 28.030 . 35 98.985 25.743 ~~ 36 99.065 23.469 37 99.147 23.828 ~= 38 99.234 25.54� 39 99.322 25.616 ~~ 40 99.379 16.659 ~~ 41 99.418 11.438 42 99.457 11.429 ~~ 43 99.497 11.438 44 99.536 11.418 . 45 99.575 11.438 46 99.614 11.418 ~- 47 99.653 11.440 ~~ 48 99.692 11.438 49 99.729 10.849 . 50 99.751 6.362 51 99.770 5.392 52 99.788 5.350 . 53 99.806 5.435 54 99.827 6.026 . 55 99.846 5.435 56 99.864 5.435 . 57 99.883 5.435 . 58 99.901 5.435 59 99.920 5.435 =° 60 99.939 5.435 61 99.957 5.435 . 62 99.976 5.437 63 99.994 5.435 MN 64 100.000 1.621 . . TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 46(). 1369 MA TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2013.9540 . = :. -...- `• - . v _ ... s..... .� _ :�...a._ . J.. _.....`+ u..........r. ..... .,.t.sw. a .,.. .. vs r. .r.. a a. u .. .n., ..:.. =___ .,=_ = = ===x = = = = =_ : = = = == == maw == = = == =ae =s�sm =1=== = = = = == =sue === =m :s • 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = = _ =_ = = =____ =_ = = =___ =_ =__ =___ =_ == __1 HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 650.0 1300.0 1950.0 2600.0 14.083 953.6263 1556.03 . V . Q . 14.167 964.5790 1590.34 . V. Q 14.250 975.9132 1645.72 . V. Q 14.333 987.7429 1717.67 . V. Q . 14.417 1000.2330 1813.64 . V. Q 14.500 1013.3550 1905.24 . V Q. _ 14.583 1026.8320 1956.83 . V Q 14.667 1040.5370 1990.06 . V 0 14.750 1054.3870 2010.99 . V Q 14.833 1068.3270 2024.08 . . .V .0 . 14.917 1082.3150 2031.01 . .V .Q . 15.000 1096.3200 2033.51 . .V .Q . 15.083 1110.3140 2031.99 . . . V .Q . 15.167 1124.2810 2027.95 . . . V .12 . 15.250 1138.2050 2021.88 . . . V .Q . 15.333 1152.0730 2013.54 . . . V Q . -- 15.417 1165.7540 1986.55 . • . V Q • 15.500 1179.0210 1926.33 . • . V Q. • 15.583 1191.5920 1825.35 . . . V Q . . 15.667 1203.2630 1694.67 . . . V Q . 15.750 1213.7530 1523.03 . . . QV . 15.833 1223.1990 1371.63 . . .12 V . 15.917 1232.2900 1319.96 . . Q V . 16.000 1241.4970 1336.88 . . . Q V . 16.083 1251.7620 1490.57 . . . Q V . . 16.167 1263.8100 1749.33 . . . VQ . 16.250 1278.0110 2061.95 . V .0 16.333 1293.9130 2309.03 . . V Q . 16.417 1311.5070 2554.57 . . V Q. 16.500 1328.5020 2467.73 . . . V Q . 16.583 1342.7330 2066.26 . . . V .0 . 16.667 1355.8720 1907.82 . . V Q. . 16.750 1368.9050 1892.47 . . . V Q. . -- 16.833 1382.3500 1952.22 . . V Q . 16.917 1396.0090 1983.23 . . . V Q . 17.000 1409.8740 2013.23 . . . V Q . 17.083 1423.8460 2028.76 . . . V .Q . 17.167 1437.8570 2034.37 . . . V .0 . 17.250 1451.7320 2014.60 . . . V Q . 17.333 1465.2780 1966.89 . . VQ . 17.417 1478.2440 1882.60 . . . QV. . 17.500 1490.5600 1788.35 . . Q V. 17.583 1502.4740 1729.84 . . Q V. • 17.667 1514.0670 1683.30 . . . Q V . 17.750 1525.3860 1643.63 . . . Q V 17.833 1536.5140 1615.73 . . . Q V . 17.917 1547.4840 1592.81 . . 0 V . 18.000 1558.3140 1572.66 . . . 0 V . ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FLOW PROCESS FROM NODE 401.10 TO NODE 401.00 IS CODE = 1 > > > > > UN/ T- HYDROGRAPH ANALYSIS < < <t ( (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .159 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 52.326 WATERCOURSE LENGTH = 7200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 3900.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 460.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 354.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .482 LOW LOSS FRACTION = .381 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .60 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.22 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.62 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.10 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.75 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: .�. 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 4.863 208.184 2 32.371 1177.663 3 71.786 1687.434 4 91.584 847.614 5 97.632 258.923 6 98.990 58.126 7 99.518 22.615 99.807 12.377 9 99.952 6.189 10 100.000 2.063 TOTAL SOIL -LOSS VOLUME(ACRE - FEET) = 116.1425 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 193.0063 2 4 - H O U R S T O R M «. R U N O F F H Y D R O G R A P H mim HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) me TIME(HRS) VOLUME(AF) 0(CFS) O. 125.0 250.0 375.0 500.0 mm 15.083 111.0544 197.10 . 0 V - 15.167 112.4041 195.97 . 0 . V . ,,• 15.250 113. 7454 194.75 Q V 15.333 115.0776 193.45 . Q V - 15.417 116.3662 187.10 . . Q V 15.500 117.4546 158.04 . . Q V "" 15.583 118.2721 118.70 Q. . V - 15.667 118.9818 103.05 . Q . . V . 15.750 119.6982 104.03 . 0 . . V . . 15.833 120.4601 110.62 . 0 . . V 15.917 121.2985 121.73 . Q. V 16.000 122.3058 146.27 .0 V 16.083 123.8191 219.73 . . Q V - 16.167 126.5994 403.70 . . . V • 0 16.250 129.8520 472.27 . . V . 0 16.333 131.8985 297.15 . . 0 V . 16.417 133.0861 172.45 . 0 V . 16.500 134.0952 146.51 . .0 . V . 16.583 135.2758 171.43 . Q V . . 16.667 136.5720 188.21 . . 0 V - - 16.750 137.9118 194.54 . . 0 V . 16.833 139.2688 197.03 0 V . . 16.917 140.6395 199.03 0 V• - 17.000 142. 0241 201.04 . 0 V. . 17.083 143. 4006 199.86 0 V. • 17.167 144. 6721 184.62 0 V. 17.250 145.7808 160.99 . . 0 V 17.333 146.7975 147.63 . .0 V . _- 17.417 147.7748 141.89 .0 . V - 17.500 148.7316 138.92 .0 V 17.583 149.6721 136.57 . 0 - •V 17.667 150.5983 134.49 0 .V 17.750 151.5116 132.61 0 .V • .. 17.833 15'2. 4133 130.91 0 . . V 17.917 153.3041 129.35 0 . .V m ' 18.000 154. 1847 127.87 0 • V oft No ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 401.00 TO NODE .43 IS CODE = 3 m > > >> >MODEL FLOW- THROUGH DETENTION BASIN ROUTING <( <(< WO ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 THROUGH A FLOW - THROUGH DETENTION BASIN '" USING FIVE - MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: mm DEAD STORAGE(AF) = .000 ,k.. SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 0 j` BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 2 .10 1000.00 .500 3 3.00 1189.00 15.000 4 10.00 1681.00 41.300 5 20.00 2202.00 256.300 6 30.00 2620.00 471.300 7 40.00 2981.00 686.300 INFLOW (STREAM 1) V effective depth - -- i (and volume) 1 S S i 1 V detention 1 < - - >1 outflow basin 1 storage i basin outlet V - OUTFLOW (STREAM 1) _ = - -= =_ =_ = = == = === ==sue ===== ==== == ==== = === == = ==== = == BASIN ROUTING MODEL RESULTS(5- MINUTE INTERVALS): TIME DEAD - STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 15.083 .000 3549.8 19.78 2179.3 251.663 15.167 .000 3543.3 20.21 2200.9 260.909 15.250 .000 3532.1 20.63 2219.7 269.947 15.333 .000 3516.4 21.04 2237.1 278.757 15.417 .000 3471.9 21.43 2253.8 287.147 15.500 .000 3358.8 21.78 2269.3 294.651 15.583 .000 3178.6 22.07 2282.6 300.822 15.667 .000 2978.4 22.29 2293.1 305.542 15.750 .000 2737.5 22.43 2300.7 308.550 15.833 .000 2494.5 22.49 2304.9 309.856 15.917 .000 2346.8 22.50 2306.4 310.134 16.000 .000 2345.5 22.52 2306.9 310.400 16.083 .000 2584.7 22.60 2309.0 312.299 16.167 .000 3093.8 22.85 2316.1 317.655 16.250 .000 3568.6 23.25 2329.6 326.188 16.333 .000 3743.6 23.70 2347.2 335.805 16.417 .000 3986.6 24.22 2367.4 346.956 16.500 .000 4026.6 24.74 2389.2 358.233 16.583 .000 3691.5 25.15 2408.8 367.067 16.667 .000 3316.3 25.44 2423.3 373.217 16.750 .000 3200.9 25.68 2434.4 378.495 16.833 .000 3272.9 25.95 2445.1 384.196 16.917 .000 3373.2 26.24 2456.8 390.508 17.000 .000 3448.7 26.56 2469.5 397.252 17.083 .000 3492.5 26.88 2482.8 404.206 17.167 .000 3502.7 27.20 2496.3 411.137 17.250 .000 3467.9 27.51 2509.4 417.738 17.333 .000 3403.7 27.79 252 .., 423.912 • , 1 _ ...fi...o `.w.. - - --.�.•s.,ec+..mwv --_ , srau:xrs+.t�w.. 17.417 .000 3297.0 28.04 • 2532.8 429.075 17.500 .000 3158.0 28.23 2542.0 433.318 17.583 .000 3038.0 28.39 2549.4 436.683 17.667 .000 2953.4 28.52 2555.4 439.424 17.750 .000 2888.5 28.62 2560.2 441.685 17.833 .000 2838.9 28.71 2564.3 443.576 17.917 .000 2794.9 28.78 2567.6 445.141 18.000 .000 2755.2 28.84 2570.4 446.415 18.083 .000 2713.1 28.89 2572.6 447.383 18.167 .000 2655.5 28.91 2574.0 447.943 18.250 .000 2578.2 28.91 2574.6 447.968 18.333 .000 2489.8 28.89 2574.1 447.388 18.417 .000 2380.8 28.83 2572.2 446.069 18.500 .000 2264.1 28.73 2568.9 443.970 18.583 .000 2163.4 28.60 2564.2 441.210 . 18.667 .000 2091.3 28.45 2558.4 437.993 18.750 .000 2036.2 28.29 2551.8 434.442 18.833 .000 1988.9 28.11 2544.6 430.614 18.917 .000 1945.0 27.92 2536.9 426.537 19.000 .000 1905.0 27.72 2528.8 422.241 19.083 .000 1872.1 27.51 2520.3 417.777 19.167 .000 1842.2 27.30 2511.5 413.168 19.250 .000 1813.3 27.08 2502.4 408.423 19.333 .000 1783.8 26.85 2493.0 403.538 19.417 .000 1756.8 26.62 2483.4 398.534 19.500 .000 1733.1 26.38 2473.6 393.435 19.583 .000 1711.3 26.14 2463.6 388.254 19.667 .000 1690.6 25.89 2453.4 . 383.000 --- 19.750 .000 1670.6 25.65 2443.2 377.679 19.833 .000 1651.0 25.40 2432.8 372.295 19.917 .000 1633.1 25.14 2422.2 366.860 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 42.00 TO NODE 41.00 IS CODE = 1 )))))UNIT- HYDROGRAPH ANALYSIS((((( (UNIT- HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .397 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 20.983 WATERCOURSE LENGTH = 19400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11100.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 1240.000 FEET BASIN FACTOR = .023 WATERSHED AREA = 1110.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .400 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .590 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .010 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .400 LOW LASS FRACTION = .276 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .56 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.15 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.55 . _ SPEC I FI,ED .PEAK 3 -HOUR ,RA I NFALL t_I, NCH) , _ 3..08 __ _ SPECIFIED PEAK 6-HOUR RAIIALL(INCH) = 4.78 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 12.50 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME (HOURS) FOR END OF RESULTS = 18.00 =================================== ======= ==================== UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.327 178.074 2 5.283 531.115 3 12.845 1015.159 4 24.117 1513.128 5 42.726 2498.090 6 60.372 2368.837 7 70.938 1418.316 8 78.188 973.235 9 83.265 681.526 10 87.049 508.091 11 89.787 367.432 12 91.869 279.586 13 93.369 201.350 14 94.654 172.443 15 95.770 149.824 16 96.717 127.098 17 97.465 100.513 18 97.994 70.906 19 98.408 55.578 20 • 98.677 36.211 21 98.835 21.178 22 98.989 20.607 23 99.123 18.082 24 99.255 17.637 25 99.353 13.231 26 99.451 13.155 27 99.549 13.138 28 99.647 13.099 29 99.744 13.089 30 99.841 13.005 31 99.930 11.984 32 99.936 .704 33 99.941 .676 34 99.946 .652 35 99.950 .571 36 99.954 .564 37 99.958 .604 38 99.963 .620 39 99.967 .492 40 99.969 .284 41 99.971 .282 42 99.973 .282 43 99.975 44 99.977 .282 45 99.979 .282 46 99.981 .283 47 99.984 .281 48 99.986 .273 49 99.987 .165 = 50 99.988 .133 51 99.989 .132 52 99.990 .133 53 99.991 .149 54 99.992 .133 55 99.993 .134 56 99.994 .133 57 99.995 .133 58 99.996 .134 59 99.997 .133 60 99.998 .133 61 99.999 .134 62 100.000 .133 63 100.000 .019 = TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 301.1333 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 800.3597 = �AW WIN 440 .% __________________============= t= s==== ===m=m= === == =s=m=m==mmataess== = = =m=m=se=:==n = :aems« 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = =_ = == = == HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 250.0 500.0 750.0 1000.0 15.083 453.6768 728.22 . . V Q. . 15.167 458.6814 726.67 . . . V Q. . 15.250 463.6698 724.31 . . . V Q . . 15.333 468.6367 721.20 . . . V Q . . 15.417 473.5426 712.34 . . V Q . . 15.500 478.3176 693.33 . . . V Q . 15.583 482.8745 661.67 . . V Q . 15.667 487.1327 618.28 . . . Q • 15.750 490.9295 551.30 . . Q V . . 15.833 494.3273 493.36 . Q. V 15.917 497.5644 470.03 . Q • V 16.000 500.7989 469.66 . Q . V 16.083 504.3418 514.42 . Q V 16.167 508.4680 599.13 . . Q V 16.250 513.3865 714.17 . . V Q . 16.333 519.0851 827.43 . . V Q . -- 16.417 525.8430 981.25 . . V Q. 16.500 532.2787 934.46 . . V Q . 16.583 537.5527 765.78 . . V Q . 16.667 542.3281 693.40 . . Q . 16.750 547.0335 683.22 . . Q . • 16.833 551.8658 701.65 . . VQ - 16.917 556.7526 709.56 . . VQ . . 17.000 561.7072 719.40 . Q • 17.083 566.6929 723.92 . • Q . • 17.167 571.7001 727.05 . . VQ. . 17.250 576.6536 719.24 . . 0 • . 17.333 581.4705 699.41 . . Q V. • 17.417 586.0044 658.33 . . . 0 V. . 17.500 590.2439 615.58 . . . 0 V. . 17.583 594.2963 588.41 . . . Q V. . 17.667 598.2003 566.85 . . . Q V. • 17.750 601.9892 550.16 . . . Q V . 17.833 605.6935 537.87 . . .0 V . 17.917 609.3251 527.31 . .2 V • 18.000 612.8953 518.38 . Q V . *******************************+************* * * * * * * * * * * * * * * * * * * * * * * ** * ** * * ** FLOW PROCESS FROM NODE 41.00 TO NODE 41.00 IS CODE = 1 )))) )UNIT - HYDROGRAPH ANALYSIS <<< << (UNIT - HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .304 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 27.372 WATERCOURSE LENGTH = 14400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 7000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE 1900.000 FEET _ BASIN FACTOR = .027 WATERSHED AREA = 899.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .200 FOOTHILL "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .790 = MOUNTAIN "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .000 VALLEY(UNDEVELOPED/DESERT): "S"-CURVE PERCENTAGE(DECIMAL NOTATION) = .010 MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .276 LOW LOSS FRACTION = .163 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .61 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.25 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.66 = SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 3.34 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 5.20 SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 13.14 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: ~ 5-MINUTE FACTOR = .425 30-MINUTE FACTOR = .465 1-HOUR FACTOR = .491 3-HOUR FACTOR = .837 6-HOUR FACTOR = .928 24-HOUR FACTOR = .953 .~ RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.872 203.485 2 8.108 678.043 3 19.891 1281.051 4 43.414 2557.525 `-~ 5 63.665 2201.724 = 6 73.973 1120.721 7 80.708 732.230 8 85.519 523.097 9 89.006 379.160 10 91.604 282.407 4* 11 93.652 222.635 12 95.301 179.357 13 96.551 135.912 14 97.505 103.723 15 98.172 72.444 16 98.506 36.314 17 98.767 28.419 AS 18 98.996 24.861 19 99.196 21.801 ~� 20 99.395 21.636 21 99.594 21.578 m� 22 99.792 21.508 23 99.980 20.498 24 99.984 .413 25 99.987 .331 26 99.990 .298 27 99.993 . 297 28 99.995 .298 29 99.998 .298 30 100.000 . 216 TOTAL SOIL-LOSS VOLUME (ACRE-FEET ) = 151.4738 PIM TOTAL STORM RUNOFF VOLUME (ACRE-FEET) = 786.2582 1M1 41111 Ale aNit Mal owg datil lows miesi mwsw tee. new 1.4 r ========================================================= l 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 275.0 550.0 825.0 1100.0 r 15.083 450.3804 746.90 . . . V Q . - -N . -~ 15.167 455.5005 743.44 . . . V Q . 15.250 460.5900 738.99 . . . V Q fl 15.333 465.6393 733.16 . . . V Q . 15.417 470.5953 719.62 . . . V 0 . 15.500 475.3408 689.04 . . . VQ . 15.583 479.7392 638.66 . . QV 15.667 483.5043 546.69 Q. V . 15.750 486.7725 474.55 . . Q . V . 15.833 489.8713 449.94 . 0 V i " 15.917 492.9526 447.41 . . Q V 16.000 496.1617 465.96 . . 0 . V . 16.083 499.8950 542.08 . . Q. V . . 16.167 504.6113 684. 80 . . QV 16.250 510.4378 846.01 . V Q 16.333 517.7464 1061.21 . V . Q . 7 16.417 524.2905 950.20 . . . V Q . 16.500 529.2668 722.56 . 0 . 16.583 533.7173 646.21 . 0 V . . 16.667 538.2931 664.40 . . . 0 V . r 16.750 543.1124 699.77 . . Q V . 16. @33 548.0490 716.79 . . QV -. 16.917 553.0871 731.53 . . . 0 V . . 17.000 558.21::0 744.13 . QV . 17.083 563.3667 748.47 . . QV . 17.167 568.4711 741.16 . . . Q V . . 17.250 573.4173 718.19 . 0 V. . I 17.333 577.9951 664.70 . . . Q V. . 17.417 582.2607 619.37 . . . Q V. 17.500 586.3575 594.84 . .0 V. . 17.583 590.3303 576.86 . . Q V . 17.667 594.2014 562.07 . . Q V . 17.750 597.9871 549.69 . . Q. V . f - 17.833 601.6976 538.77 . . Q. V . r 17.917 605.3370 528.43 . Q. V . 18.000 608.8913 516.08 . . 0 . V . f _ **+****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** (' FLOW PROCESS FROM NODE 41.00 TO NODE 41.10 IS CODE = 5 I > > >> >MODEL CHANNEL ROUTING BY THE CONVEX METHOD < <<<< -- ============== = ==== ===a= === == = == ==== ===== == =sas==s= = =as == fl THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5- MINUTE r INTERVALS(Reference: the National Engineering Handbook, € Hydrology, Chapter 17, page 17 -52, August +1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEW I DTH (FT) = 20.00 CHANNEL Z = 2.00 UPSTREAM ELEVATION = 1710.00 • _, .� � i. . DOWNSTREAM ~ ELEVATION 1600.00 ~ � . w • . � � �� ..,_ .._��. A. �� M �. CHANNEL LENGTH(FT) = 3700.00 MANNIN8S FACTOR = .014 - CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 1931.45 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 1261.90 CHANNEL NORMAL VELOCITY FOR Q = 1261.90 CFS = 25.96 FPS E ESTIMATED CHANNEL ROUTING COEFFICIENT = .939 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE �- UNIT INTERVALS IS CSTAR = .994 r CONVEX METHOD CHANNEL ROUTING RESULTS: 1 MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) P (HRS) (CFS) (CFS) 15.083 1475.1 1476.4 15.167 1470.1 1472.4 15.250 1463.3 1466.4 7 15.333 1454.4 1458.4 15.417 1432.0 1442.0 15.500 1382.4 1404.7 1 . 15.583 1300.3 1337.3 15.667 1165.0 1226.0 15.750 1025.8 1088.7 ,-. 15.833 • 943.3 980.8 15.917 917.4 929.3 16.000 935.6* 927.5 16.083 1056.5 1002.1 16.167 1283.9 1181.4 16.250 1560.2 1435.4 16.333 1888.6 1740.3 " 16.417 1931.5 1911.3 16.500 1657.0 1780.2 16.583 1412.0 1522.8 16.667 1357.8 1382.8 r _ 16.750 1383.0 1371.8 16.833 1418.4 1402.4 16.917 1441.1 1430.8 17.000 1463.5 1453.4 17.083 1472.4 1468.3 17.167 1468.2 1470.1 17.250 1437.4 1451.3 17.333 1364.1 1397.1 17.417 1277.7 1316.7 17.500 1210.4 1240.9 r" 17.583 1165.3 1185.7 17.667 1128.9 1145.4 17.750 1099.9 1113.0 r- 17.833 1076.6 1087.1 17.917 1055.7 1065.2 18.000 1034.5 1044.1 18.083 1016.7 1024.7 r 18.167 997.4 1006.1 18.250 974.5 984.8 18.333 943.4 957.5 r 18.417 911.7 926.1 18.500 886.8 898.1 18.583 867.2 876.0 �., 18.667 849.3 857.4 18.750 835.5 841.7 18.833 823.2 828.8 18.917 812.1 817.1 19.000 801.9 806.5 19.083 792.6 796.8 19.167 783.9 787.8 �. 19.250 775.6 779.3 19.333 767.8 771.3 19.417 760.5 763.8 am 19.500 753.5 756.6 19.583 746.8 749.8 19.667 740.5 743.3 19.750 734.5 737.2 19.833 728.7 731.3 ,., 19.917 723.1 725.6 20.000 717.7 720.1 '.. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 43.10 TO NODE 41.10 IS CODE = 1 >) >> )UNIT- HYDROGRAPH ANALYSIS<<<<< (UNIT-HYDROGRAPH ADDED TO STREAM #2) $ WATERCOURSE "LAG" TIME = .226 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 36.905 WATERCOURSE LENGTH = 15500.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 7200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2490.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 1111.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .300 FOOTHILL "S" -CURVE PERCENTAGGE(DECIMAL NOTATION) = .600 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .090 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .010 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .308 LOW LOSS FRACTION = .189 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .79 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.35 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.66 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.40 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 5.34 41 * SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.95 ars *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 44I RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 al' MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 NOR who IINTT HYDROGRAPH DETERMINATION _ -'- . INTERVAL "S" GRAPH UNIT HYDROGRAPH = NUMBER MEAN VALUES ORDINATES(CFS) . 1 2.932 393.908 4061 2 15.173 1644.725 3 40.880 3454.066 °O 4 66.145 3394.679 . 5 78.206 1620.547 6 85.159 934.145 ~� 7 89.499 583.096 8 92.322 379.426 . 9 94.453 286.312 10 95.944 200.313 . 11 96.999 141.663 == 12 97.575 77.420 13 97.975 53.773 = 14 98.329 47.602 15 98.594 35.623 . 16 98.850 34.385 17 99.099 33.396 = 18 99.337 31.942 . 19 99.456 16.041 20 99.532 10.254 . 21 99.604 9.628 = 22 99.678 9.988 23 99.721 5.782 ~~ 24 99.755 4.459 25 99.788 4.466 ^~ 26 99.821 4.460 27 99.854 4.464 . 28 99.880 3.500 = 29 99.896 2.112 30 99.912 2.161 . 31 99.928 2.112 32 99.943 2.112 °- 33 99.959 2.112 34 99.975 2.112 ~~ 35 99.991 2.112 = 36 100.000 1.262 ~~ . TOTAL SOIL-LOSS VO0ME(ACRE-BB) = 195.7775 . TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 858. 1501 au ~= M M #88/ ON am we AS MI M `®` 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE- MINUTE INTERVALS(CFS) a. TIME(HRS) VOLUME(AF) Q(CFS) 0. 400.0 800.0 1200.0 1600.0 15.083 488.6492 913.45 . . • Q a ' 15.167 494.8885 905.94 . . QV . . 15.250 501.0703 897.60 . . QV . . """ 15.333 507.1896 888.52 . . . QV 15.417 513. 1298 862.51 . . .0 V 15.500 518.5362 785.00 . . Q. V • - 15.583 522.9188 636.35 . . Q V . 15.667 526.3602 499.69 . . Q . V '` 15.750 529.4535 449.15 .Q . V . 15.833 532.4562 436.00 . Q V 15.917 535.5560 450.08 .0 . V 16.000 539.0287 504.25 . . 0 V . 16.083 543.8768 703.94 . 0 . V • """°° 16.167 551.6126 1123.24 . • . V 0 • • 16.250 . '50 562.5976 1595.02 V 0. 16.333 572.9306 1500.35 . . V Q • ... 16.417 579.5990 968.25 . 0 V 16.500 584.9469 776.52 . • a. V • 16.583 590. 2817 774.62 . a . V • 16.667 596.0530 837.98 . 0 V . ~" 16.750 602.0796 875.07 . .0 V . 16.833 608.2318 893.30 . . 0 V • • 16.917 614.4855 908.05 . • 0 V 17.000 620.7933 915.89 . . . Q V . . 17.083 627.1508 923.11 . . . a V. . . 17.167 633.3749 /03.74 . . . a V. • 17.250 639. 1504 838.59 . . a V. . 17.333 644. 4482 769.25 . . Q. V . ... 17.417 649.4916 732.30 . . a . V • 17.5 00 654.3635 707.40 . . a V . . 17.583 659.0824 685.19 . . 0 . V 17.667 663.6959 669.88 . . 0 V • 17.750 668. 2278 658.03 . a • V „�, 17.833 672.6929 648.34 . 0 . V 17.917 677.0894 638.36 . . 0 •V Mr 18.000 681.4320 630.56 . . 0 •V ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 41.10 TO NODE 41.20 IS CODE = 3 s. > > > >>MODEL FLOW - THROUGH DETENTION BASIN ROUTING<(<<C r .,r ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 2 THROUGH A FLOW - THROUGH DETENTION BASIN USING FIVE - MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 2 1.66 91.32 1.120 3 2.66 185.25 5.000 _ 4 4.66 429.54 18.000 5 6.66 733.90 42.250 6 7.66 905.25 55.000 7 9.66 1282.02 90.000 8 11.66 1700.00 122.250 9 13.66 2155.78 156.000 10 15.66 2646.16 190.000 11 17.66 3168.94 230.000 12 19.66 3722.23 270.000 13 21.66 4304.43 309.500 INFLOW (STREAM 2) 1 V effective depth (and volume) 1 1 1 1 1 1....V. -. ! detention 1(--)1 outflow 1 basin 1 A 1 1 1 storage 1 basin Outlet V OUTFLOW (STREAM 2) ====='sssIC=S2=ar�' =s '===sue = = == === =========== = ===== =si=rs ====== ===== = == BASIN ROUTING MODEL RESULTS(5- MINUTE INTERVALS): TIME DEAD - STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 14.083 .000 1739.2 11.08 1571.8 112.932 14.167 .000 1803.4 11.17 1588.8 114.410 14.250 .000 1923.9 11.31 1612.3 116.556 14.333 .000 2068.8 11.49 1645.1 119.474 14.417 .000 2191.4 11.70 1686.7 122.950 14.500 .000 2284.8 11.93 1735.0 126.736 14.583 .000 2341.9 12.15 1786.4 130.561 14.667 .000 2374.2 12.37 1837.2 134.260 14.750 .000 2392.6 12.58 1885.8 137.750 14.833 .000 2401.1 12.77 1931.2 140.987 14.917 .000 2402.6 12.95 1973.0 143.945 15.000 .000 2398.3. 13.10 2011.0 146.613 15.083 .000 2389.9 13.24 2045.0 148.988 15.167 .000 2378.3 13.37 2075.2 151.075 15.250 .000 2364.0 13.48 2101.5 152.883 15.333 .000 2346.9 13.57 2124.1 154.418 15.417 .000 2304.6 13.63 2142.0 155.538 15.500 .000 2189.7 13.65 2151.3 155.802 15.583 .000 1973.7 13.58 2145.1 154.621 15.667 .000 1725.7 13.42 2118.9 151.913 15.750 .000 1537.9 13.20 2075.6 148.210 15.833 .._ .000 1416.8 ..., 12.95 . 2022. .., 144.03 9 _. . _ - 15.917 .000 1379.4 12.71 1966.9 139.99 16.000 .000 1431.8 12.51 1917.0 136.650 16.083 .000 1706.1 12.44 1886.1 135.410 16.167 .000 2304.7 12.61 1896.7 138.220 16.250 .000 3030.5 13.04 1965.2 145.557 16.333 .000 3240.7 13.52 2069.2 153.624 16.417 .000 2879.6 13.81 2158.4 158.591 16.500 .000 2556.7 13.95 2210.3 160.976 16.583 .000 2297.5 13.98 2230.9 161.435 16.667 .000 2220.8 13.97 2233.5 161.347 16.750 .000 2246.9 13.98 2233.6 161.439 --- 16.833 .000 2295.7 14.00 2237.1 161.843 16.917 .000 2338.9 14.04 2244.7 162.491 17.000 .000 2369.3 14.09 2255.1 163.277 17.083 .000 2391.5 14.14 2266.9 164.135 17.167 .000 2373.8 14.18 2277.9 164.796 17.250 .000 2289.9 14.18 2283.0 164.843 17.333 .000 2166.4 14.14 2277.8 164.076 17.417 .000 2049.0 14.05 2261.7 162.611 17.500 .000 1948.3 13.93 2236.8 160.624 17.583 .000 1870.9 13.80 2205.8 158.318 .-- 17.667 .000 1815.3 13.65 2171.6 155.864 17.750 .000 1771.0 13.50 2136.9 153.344 17.833 .000 1735.5 13.35 2102.8 150.814 17.917 .000 1703.6 13.20 2068.8 148.299 18.000 .000 1674.6 13.06 2035.0 145.817 18.083 .000 1644.2 12.91 2001.6 143.355 18.167 .000 1600.8 12.76 1967.9 140.827 18.250 .000 1534.6 12.60 1932.4 138.087 18.333 .000 1462.3 12.42 1893.8 135.115 18.417 .000 1405.5 12.24 1852.9 132.033 18.500 .000 1360.2 12.06 1811.1 128.927 18.583 .000 1325.2 11.87 1769.5 125.868 18.667 .000 1296.2 11.70 1728.7 122.889 18.750 .000 1271.5 11.52 1689.8 120.008 18.833 .000 1250.5 11.35 1653.0 117.236 18.917 .000 1231.8 11.18 1617.8 114.577 19.000 .000 1214.8 11.03 1584.1 112.034 __ 19.083 .000 1199.2 10.88 1551.9 109.606 19.167 .000 1184.9 10.73 1521.1 107.290 19.250 .000 1171.4 10.60 1491.8 105.083 19.333 .000 1158.6 10.47 1463.9 102.981 19.417 .000 1146.4 10.34 1437.3 100.978 19.500 .000 1134.8 10.22 1411.9 99.069 19.583 .000 1123.7 10.11 1387.8 97.250 19.667 .000 1113.3 10.00 1364.8 95.519 19.750 .000 1103.4 9.90 1342.9 93.869 19.833 .000 1093.8 9.80 1322.0 92.297 19.917 .000 1084.5 9.71 1302.1 90.799 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 41.20 TO NODE 43.00 IS CODE = 5 > >)> )MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguat,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: . _ . - EASEWIDTH(FT?-_. - ...-. . - CHANNEL..Z ., . _ 1.50..._. - , . . ' ' - ' , -_-- � ' _.--_' UPSTREAM ELEVATION = 1590.00 "" DOWNSTREAM ELEVATION = 1530.00 CHANNEL LENGTH(FT) = 3000.00 MANNINGS FACTOR = .014 = = CHANNEL ROUTING COEFFICIENT ESTIMATED: °= MAXIMUM INFLOW(CFS) = 2282.98 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 1685.50 "o CHANNEL NORMAL VELOCITY FOR Q = 1685.50 CFS = 26.79 FPS of ESTIMATED CHANNEL ROUTING COEFFICIENT = .940 = MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE UNIT INTERVALS IS CSTAR = .998 o 0. CONVEX METHOD CHANNEL ROUTING RESULTS: GP MODEL INFLOW OUTFLOW ~= TIME (STREAM 2) (STREAM 2) (HRS) (CFS) (CFS) ^- 14.083 1571.8 1566.7 ~~ 14. 167 1588.8 1582.8 14.250 1612.3 1604.0 .- 14.333 1645.1 1633.5 14.417 1686.7 1672.1 .. 14.500 1735.0 1718.0 ~~ 14.583 1786.4 1768.3 14.667 1837.2 1819.3 ~~ 14.750 1885.8 1868.6 14.833 1931.2 1915.2 - 14.917 1973.0 1958.2 15.000 2011.0 1997.6 - 15.083 2045.0 2033.0 ~ 15.167 2075.2 2()64.5 15.250 2101.5 2092.2 ~~ 15.333 2124.1 2116.1 15.417 2142.0 2135.6 . 15.500 2151.3 2148.0 15.583 2145.1 2147.3 = 15.667 2118.9 2128.1 ~~ 15.750 2075.6 2090.8 15.833 2022.4 2041.2 - 15.917 1966.9 1986.5 16.000 1917.0 1934.6 -~ 16.083 1886.1 1897.0 to 16.167 1896.7 1893.0 16.250 1965.2 1941.1 01, 16.333 2069.2 2032.5 16.417 2158.4 2126.9 "" 16.500 2210.3 2192.0 of 16.583 2230.9 2223.6 16.667 2233.5 2232.6 =" 16.750 2233.6 2233.6 16.833 2237.1 2235.9 as 16.917 2244.7 2242.0 17.000 2255.1 2251.4 ot 17.083 2266.9 2262.7 to 17.167 2277.9 2274.0 17.250 2283.0 2281.2 -O 17.333 2277.8 2279.6 17.417 2261.7 2267.4 to 17.500 2236.8 2245.6 t= 17.583 2205.8 2216.8 17.667 2171.6 2183.7 = 17.750 2136.9 2149.1 ....,.� . _.. u� : ;.. ■.. .. ti _... , _ �.� . a..... 17.917 2668.8 2080.8 18.000 2035.0 2046.9 18.083 2001.6 2013.4 18.167 1967.9 1979.8 18.250 1932.4 1944.9 18.333 1893.8 1907.4 18.417 1852.9 1867.3 18.500 1811.1 1825.9 18.583 1769.5 1784.2 18.667 1728.7 1743.1 18.750 1689.8 1703.5 18.833 1653.0 1666.0 18.917 1617.8 1630.2 19.000 1584.1 1596.0 19.083 1551.9 1563.2 19.167 1521.1 1532.0 19.250 1491.8 1502.1 19.333 1463.9 1473.7 19.417 1437.3 1446.7 19.500 1411.9 1420.9 19.583 1387.8 1396.3 19.667 1364.8 1372.9 19.750 1342.9 1350.6 19.833 1322.0 1329.3 19.917 1302.1 1309.1 20.000 1283.8 1290.2 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 43.20 TO NODE 43.00 IS CODE = 1 > >>> >UNIT- HYDROGRAPH ANALYSIS((((( ==- =============================================================== (UNIT - HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .228 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 36.491 WATERCOURSE LENGTH = 6200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 4000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 150.000 FEET BASIN FACTOR = .025 WATERSHED AREA = 119.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .492 LOW LOSS FRACTION = .379 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .76 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.30 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.60 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.13 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.75 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: . 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR_ .953 . ~' RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 2.494 35.897 2 16.310 198.832 3 41.937 368.805 = 4 70.481 410.805 5 87.177 240.276 ~� 6 94.712 108.436 7 97.830 44.879 8 98.725 12.881 ,~ 9 99.365 9.207 10 99.746 5.483 11 99.937 2.742 12 100.000 .914 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 38.5921 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 65.3305 AP = �� %/0 = _ ________ = == =sae = = = = = == = =m === == =memo == == =atmssc==== :tea==m === =sea = =ae :ate == == 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H - - == = =_ = =__ = = = =_=== _________ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 50.0 100.0 150.0 200.0 15.083 37.0575 68.00 . Q . V . 15.167 37.5226 67.54 . . 0 . V . 15.250 37.9844 67.05 . . Q V . . 15.333 38.4424 66.51 . Q . V . . 15.417 38.8895 64.91 . . 0 V . 15.500 39.2933 58.64 . .0 V . 15.583 39.6223 47.78 . Q. V . 15.667 39.8734 36.45 0 . V . 15.750 40.0868 30.99 0 V . 15.833 40.2946 30.17 . Q . • V . 15.917 40.5163 32.20 Q . V . 16.000 40.7767 37.80 . Q . V . 16.083 41.1605 55.73 .Q V . - 16.167 41.8764 103.94 . . Q V . 16.250 42.8923 147.51 . . V Q. . 16.333 43.9374 151.75 . . . V 0 . • 16.417 44.6431 102.46 Q V • 16.500 45.1102 67.83 . • Q V . 16.583 45.5048 57.30 . •Q V • 16.667 45.9092 58.72 . .0 V . . 16.750 46.3508 64.11 . 0 V . . 16.833 46.8097 66.64 . . Q V . . 16.917 47.2772 67.88 . 0 V . . - 17.000 47.7490 68.50 . • Q V. . 17.083 48.2219 68.67 . • Q V. . 17.167 48.6786 66.31 Q V. . 17.250 49.0984 60.96 . Q V . 17.333 49.4736 54.48 Q V . 17.417 49.8197 50.25 . 0 V . 17.500 50.1495 47.89 . Q. V . 17.583 50.4696 46.48 . Q. V . 17.667 50.7836 45.58 Q. .V . 17.750 51.0920 44.78 Q . . .V • 17.833 51.3956 44.08 0 . •V • 17.917 51.6948 43.45 . Q . .V . 18.000 51.9902 42.89 . 0 . . .V . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 44.00 TO NODE 43.00 IS CODE = 1 ) >>> >UNIT - HYDROGRAPH ANALYSIS <<< << (UNIT - HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG" TIME = .337 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 24.760 WATERCOURSE LENGTH = 18900.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 290.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 1251.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .444 LOW LOSS FRACTION = .370 mo * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .57 a „ SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.95 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.53 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 10.45 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = . 465 -� 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 �. RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 '°' MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.478 223.665 7.257 874.230 3 20.430 1992.946 4 37.860 2637.057 5 59.088 3211.631 6 75.831 2533. 111 7 86.417 1601.575 8 92.403 905.729 9 95.948 536.274 10 97.826 284.162 11 98.468 97.185 12 98.933 70.244 13 99.380 67.618 14 99.752 56.312 15 99.938 28.156 AO 16 100.000 9.385 MI TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 378.6508 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 659.2186 mn 4111 - - �� °� 2 4 - H O U R S T O R M _° R U N O F F H Y D R O G R A P H 00 HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) 00 TIME(HRS) VOLUME(AF) Q(CFS) 0. 300.0 600.0 900.0 1200.0 00 15.083 368.6670 679.05 . . . Q . . -= 15.167 373.3275 676.71 . . . Q . . •-• 15.250 377.9673 673.70 . . . 6% . . ~ 15.333 382.5834 670.26 . . . QV . . °~ 15.417 387. 1365 661.11 . . . QV . . 15.500 391.5220 636.77 . . .[3 V . . -- 15.583 395.5666 587.28 . . Q. V • . . 15.667 399.1899 526.11 . . Q . V • . ~' 15.750 402.3385 457.17 . . 0 . V . . - 15.833 405. 1752 411.90 . . 0 . V . . 15.917 407.9267 399.51 . . Q . V . . =~ 16.000 410.8123 418.98 . . Q . V . . 16.083 414.2772 503.10 . . 0 . V . . - 16.167 418.9017 671.48 . . . Q V . . ~ 16.250 425.1426 906.18 . . . V Q . 16.333 432.2603 1033.50 . . . V . Q . - 16.417 439.8579 1103.17 . . . V . 0 . 16.500 446.4270 953.83 . . . V .Q • ^~ 16.583 451.8179 782.77 . . . QV . . 16.667 456.4794 676.84 . . . �� V . . ~~ 16.750 460. 9852 654.24 . . .Q V . . ~~ 16.833 465.4735 651.70 . . .[] V . . 16.917 469.9583 651.20 . . .Q V . . - 17.000 474.5551 667.45 . . . 0 V . . 17.083 479.2321 679.09 . . . 0 V. . ~- 17.167 483.8835 67' .38 . . . 12 V. . 17.250 488.3542 649.16 . . .0 V. . ~ 17.333 492.5807 613.69 . . Q V. . ~ 17.417 496.5078 570.21 . . Q. \/ . 17.500 500.1902 534.68 . . Q . V . ~ 17.583 503.6969 509.17 . . 0 . V . 17.667 507.0822 491.55 . . 0 . V . - 17.750 510.3763 478.30 . . Q . V . 00 17.833 513.6021 468.39 . . Q . .V . 17.917 516.7780 461.14 . . Q . .V . AO 18.000 519.9087 454.58 . . Q . .V . 00 ��************************************************************************** 00 FLOW PROCESS FROM NODE 43.00 TO NODE 4{)4.00 IS CODE = 5 ~m > > > > >MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( 00 -0, ON THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 2 INFLOW HYDROGRAPH BY 5-MINUTE oft INTERVALS(Reference: the National Engineering Handbook, MO Hydrology, Chapter 17, page 17-52, August, 1972, U.S. Department of Commerce). 00 ASSUMED REGULAR CHANNEL INFORMATION: = BASEWIDTH(FT) = 20.00 CHANNEL Z = .00 //PqTRF4n ELEVATION = 1530.00 - _ ` ' - DOWNSTREAM ELEVATION = 1450.00 - CHANNEL LENGTH(FT) = 3650.00 MANNINGS FACTOR = .014 = ~~ CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 3332.57 °= AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 2389.58 CHANNEL NORMAL VELOCITY FOR Q = 2389.58 CFS = 31.01 FPS .. ESTIMATED CHANNEL ROUTING COEFFICIENT = .948 ,. MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5-MINUTE .. UNIT INTERVALS IS CSTAR = .998 .. CONVEX METHOD CHANNEL ROUTING RESULTS: -. = MODEL INFLOW OUTFLOW TIME (STREAM 2) (STREAM 2) - (HRS) (CFS) (CFS) 15.083 2780.1 2767.8 = 15.167 2808.8 2798.1 - 15.250 2832.9 2823.9 15.333 2852.9 2845.4 =0 15.417 2861.7 2858.4 15.500 2843.4 2850.2 - 15.583 2782.4 2805.2 15.667 2690.7 2724.9 °= 15.750 2579.0 2620.7 -~ 15.833 2483.2 2519.1 15.917 2418.2 2442.5 = 16.000 2391.4 2401.5 16.083 2455.9 2431.8 ~- 16. 167 2668.4 2589. 1 ~ 16.250 2994.8 2872.8 16.333 3217.8 3134.4 - 16.417 3332.6 3289.6 16.500 3213.7 3257.9 - 16.583 3063.7 3119.7 16.667 2968.1 3003.9 ~- 16.750 2951.9 2958.0 16.833 2954.2 2953.4 16.917 2961.1 2958.5 ~ 17.000 2987.4 2977.6 17.083 3010.5 3001.9 ~~ 17.167 3015.7 3013.8 .. 17.250 2991.3 3000.4 17.333 2947.8 2964.0 ~w 17.417 2887.8 2910.2 17.500 2828.2 2850.5 ~ 17.583 2772.4 2793.3 17.667 2720.8 2740.1 ". 17.750 2672.2 2690.4 ".. 17.833 2627.3 2644.1 17.917 2585.4 2601.1 *910 18.000 2544.4 2559.7 18.083 2502.8 2518.3 *. 18.167 2457.2 2474.2 NO 18.250 2404.1 2423.9 18.333 2345.0 2367.1 in 18.417 2281.3 2305.1 18.500 2220.5 2243.2 *m 18.583 2164.7 2185.6 me 18.667 2113.7 2132.8 18.750 2066.2 2084.0 ON 18.833 2022.4 2038.8 19'p17 1981'6 1996.9 19.000 1942.7 1957.2 19.083 1905.4 1919.3 19.167 1869.9 1883.2 "w 19.250 1836.1 1848.7 19.333 1804.0 1816.0 19.417 1773.4 1784.8 19.500 1744.2 1755.1 19.583 1716.4 1726.8 19.667 1689.9 1699.8 oar 19.750 1664.5 1674.0 19.833 1640.4 1649.4 19.917 1617.3 1625.9 20.000 1595.7 1603.8 "' ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.00 TO NODE 404.00 IS CODE = 1 > >> ))UNIT- HYDROGRAFH ANALYSISt<<(< (UNIT- HYDROGRAPH ADDED TO STREAM #2) WATERCOURSE "LAG," TIME = .118 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 70.386 WATERCOURSE LENGTH = 4000.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 1800.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 80.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 102.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .411 LOW LOSS FRACTION = .350 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .67 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.57 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.90 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.50 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 10.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 r 6 -HOUR FACTOR = .928 „is 24 -HOUR FACTOR = .953 tar RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 8.771 108.192 ^= 2 53.386 550.356 3 89.505 445.558 = 4 97.972 104.439 ~� 5 99.358 17.099 6 99.743 4.752 7 99.936 2.376 8 100.000 . 792 4.11 mal TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 27.7957 TOTAL STORM RUNOFF VOLUME (ACRE-FEET) = 53.1818 = == . = = �R MIR WIN MIN AIR == == __ ___ = = = =-- == = = == ==== == = == ==== === arcs ==== = = = = ==s:= =a:maas==== 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H _.______________________ == ___= ____________________= = = = =sa = = == HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 50.0 100.0 150.0 200.0 15.083 30.5189 55.00 . .0 . V • 15.167 30.8963 54.81 Q . V • 15.250 31.2724 54.61 . Q V . 15.333 31.6469 54.38 . Q V . 15.417 32.0030 51.70 . Q V . 15.500 32.2723 39.11 0 . . V . 15.583 32.4770 29.72 . 0 . . V . 15.667 32.6789 29.32 . Q . . V . 15.750 32.8904 30.71 0 . . V . 15.833 33.0989 30.28 . Q . V . 15.917 33.3201 32.12 . Q . . V . 16.000 33.6058 41.48 . 0 . . V . 16.083 34.1353 76.87 .. . 0 • V . 16.167 35.3036 169.65 . . V 0 . 16.250 36.2540 137.99 . . 0 . 16.333 36.6598 58.93 . .Q V . . 16.417 36.9198 37.75 . 0 . . V . . 16.500 37.220 43.88 . Q . . V . . 16.583 37.5816 52.20 Q . V . . 16.667 37.9555 54.30 . Q V . . 16.750 38.3332 54.83 . 0 V . . 16.833 38.7137 55.26 .0 V. . 16.917 39.0967 55.61 . .Q V. . 17.000 39.4817 55.89 . .Q . V. . 17.083 39.8597 54.89 . 0 V. . 17.167 40.1948 48.66 Q. V . 17.250 40.4924 43.22 . Q . . V . 17.333 40.7778 41.43 . 0 . . V . 17.417. 41.0575 40.62 Q . . V . 17.500 41.3330 40.00 Q . .V . 17.583 41.6046 39.43 . Q . .V . 17.667 41.8727 38.93 . 0 . . .V . 17.750 42.1376 38.46 . Q . .V . 17.833 42.3995 38.03 . 0 . .V . 17.917 42.6586 37.62 . Q . . . V . 18.000 42.9150 37.23 Q . V . ************************+******************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.00 TO NODE 404.00 IS CODE = 7 > > >> >STREAM NUMBER 2 ADDED TO STREAM NUMBER 1<(< << ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE .43 TO NODE .44 IS CODE = 3 > > >> )MODEL FLOW - THROUGH DETENTION BASIN ROUTING((( <( = = ____________ _______________________________ ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 _THROUGH A FLOW- THROUGH DETENTION BASIN USING FIVE - MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 2 .10 3000.00 .300 3 3.00 3178.00 9.300 4 10.00 4352.00 95.700 5 20.00 5618.00 225.700 6 22.00 5838.00 251.700 7 25.00 6154.00 290.700 • INFLOW (STREAM 1) _ V effective depth : (and volume) V detention :( - -): outflow : basin : --- ' A ' \ storage : basin outlet OUTFLOW (STREAM 1) BASIN ROUTING MODEL RESULTS(5- MINUTE INTERVALS): TIME DEAD - STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 15.083 .000 5002.1 10.16 4345.5 97.779 15.167 .000 5053.7 10.51 4394.4 102.320 15.250 .000 5098.3 10.86 4438.6 106.863 15.333 .000 5136.9 11.21 4482.7 111.369 15.417 .000 5163.9 11.54 4526.0 115.762 15.500 .000 5158.6 11.86 4567.2 119.835 15.583 .000 5117.4 12.13 4604.3 123.370 15.667 .000 5047.4 12.35 4635.3 126.208 15.750 .000 4952.1 12.50 4658.9 128.227 15.833 .000 4854.2 12.60 4674.8 129.463 15.917 .000 4781.1 12.65 4684.0 130.131 16.000 .000 4749.9 12.68 4689.3 130.548 16.083 .000 4817.7 12.75 4695.5 131.390 16.167 .000 5074.8 12.94 4711.7 133.890 16.250 .000 5340.4 13.25 4743.9 137.998 16.333 .000 5540.5 13.65 4789.1 143.173 16.417 .000 5694.8 14.10 4842.9 149.040 16.500 .000 5691.0 14.52 4898.0 154.501 16.583 .000 5580.7 14.86 4945.9 158.873 16.667 .000 5481.5 15.12 4983.9 162.300 16.750 _....... _. ,. .000 ....._ 5447_. 3 - 15.35.. _5015. ..... . , .,... 16.833 .000 5453.7 15.57 5043.3 168.103 16.917 .000 5470.9 15.78 5070.5 170.861 17.000 .000 5502.9 16.00 5097.5 173.653 17.083 .000 5539.5 16.22 5125.0 176.508 - -- 17.167 .000 5558.7 16.43 5152.6 179.305 17.250 .000 5553.1 16.63 5178.7 181.883 17.333 .000 5527.2 16.80 5202.2 184.122 17.417 , .000 5483.6 16.94 5221.9 185.924 17.500 .000 5432.5 17.04 5237.2 187.269 17.583 .000 5382.1 17.11 5248.2 188.191 17.667 .000 5334.4 17.16 5255.4 188.736 17.750 .000 5289.1 17.17 5259.0 188.943 17.833 .000 5246.4 17.17 5259.6 188.852 17.917 .000 5206.3 17.14 5257.4 188.499 18.000 .000 5167.3 17.09 5252.9 187.910 18.083 .000 5127.0 17.03 5246.0 187.091 18.167 .000 5080.1 16.95 5236.8 186.012 18.250 .000 5026.8 16.84 5224.9 184.648 --- 18.333 .000 4968.3 16.71 5210.1 182.983 18.417 .000 4903.9 16.56 5192.3 180.997 18.500 • .000 4838.3 16.38 5171.5 178.702 ._ 18.583 .000 4775.5 16.19 5147.8 176.138 18.667 .000 4716.6 15.97 5121.8 173.347 18.750 .000 4660.8 15.74 5093.6 170.366 18.833 .000 4608.2 15.50 5063.9 167.228 `M 18.917 .000 4558.2 15.25 5032.7 163.961 19.000 .000 4510.2 14.99 5000.3 160.585 19.083 .000 4463.5 14.7'2 4967.0 157.117 19.167 .000 4418.2 14.45 4932.9 153.573 19.250 .000 4374.4 14.17 4898.0 149.967 19.333 .000 4332.1 13.89 4862.7 146.312 19.417 .000 4291.1 13.61 4826.9 142.622 19.500 •.000 4251.3 13.32 4790.9 138.906 19.583 .000 4212.8 13.04 4754.6 135.174 19.667 .000 4175.4 12.75 4718.2 131.436 -- 19.750 .000 4139.1 12.46 4681.8 127.698 19.833 .000 4103.9 12.17 4645.4 123.968 19.917 .000 4069.7 11.89 4609.2 120.252 20.000 .000 4036.7 11.60 4573.1 116.558 20.083 .000 4005.6 11.32 4537.3 112.896 20.167 .000 3976.3 11.04 4501.8 109.277 • 20.250 .000 3948.1 10.77 4466.8 105.704 20.333 .000 3920.6 10.50 4432.3 102.180 20.417 .000 3893.5 10.23 4398.2 98.705 20.500 .000 3866.9 9.97 4363.8 95.283 20.583 .000 3840.8 9.70 4323.7 91.956 20.667 .000 3815.1 9.44 4279.4 88.758 20.750 .000 3789.8 9.19 4236.8 85.680 20.833 .000 3764.9 8.95 4195.7 82.713 20.917 .000 3740.5 8.72 4156.1 79.851 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 4.00 TO NODE 4.10 IS CODE = 1 )) >> )UNIT- HYDROGRAPH ANALYSIS « << (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .126 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 66.144 _ WATERCOURSE LENGTH = 12200..000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 2400.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 640.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 585.000 ACRES �., BASEFLOW = .000 CFS /SQUARE —MILE VALLEY(DEVELOPED) S —GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .291 LOW LOSS FRACTION = .246 'm, * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5— MINUTES RAINFALL(INCH)= .58 •• SPECIFIED PEAK 30— MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1 —HOUR RAINFALL(INCH) = 1.58 amit SPECIFIED PEAK 3 —HOUR RAINFALL(INCH) = 3.07 SPECIFIED PEAK 6 —HOUR RAINFALL(INCH) = 4.65 SPECIFIED PEAK 24 —HOUR RAINFALL(INCH)= 10.60 am *USER SPECIFIED PRECIPITATION DEPTH —AREA REDUCTION FACTORS: 5— MINUTE FACTOR = .425 30— MINUTE FACTOR = .465 1 —HOUR FACTOR = .491 3 —HOUR FACTOR = .837 6 —HOUR FACTOR = 24—HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 * * *) NOTE: RATIO OF (LENGTH TO CENTROID) / (LENGTH OF WATERCOURSE) IS NOT BETWEEN C.257 AND [.757 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 7.759 548.912 2 48.578 2887.896 3 86.696 2696.776 4 97.286 749.255 5 99.141 131.231 6 99.656 36.464 'AP 7 99.914 18.232 8 100.000 6.077 TOTAL SOIL —LOSS VOLUME(ACRE —FEET) = 119.3719 TOTAL STORM RUNOFF VOLUME(ACRE —FEET) = 372.8982 nol see 2 4 - H O U R S T O R M _. R U N O F F H Y D R O G R A P H ==__-=----== __=.__________ = == = = = = = = = === = = == HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 225.0 450.0 675.0 900.0 15.083 215.9661 393.89 . Q . V 15.167 218.6596 391.10 . . Q V . 15.250 221.3331 388.19 . . Q . V r 15.333 223.9841 384.93 . . Q V . 15.417 226.5054 366.08 . Q V . 15.500 228.4475 282.00 . . Q V . - 15.583 229.8863 208.91 . Q. . V . 15.667 231.2623 199.80 Q . . V . 15.750 232.7153 210.97 . Q. V . 15.833 234.2565 223.79 . Q. V , 15.917 235.9641 247.94 .0 V . 16.000 238.0971 309.71 . . Q V . 16.083 241.4412 485.57 . . .Q V . 16.167 247.5774 890.98 . . V Q. 16.250 253.0658 796.91 . . V Q • 16.333 255.8267 . 400.89 . . Q . V . . 16.417 257.6280 261.55 . .Q V . . 16.500 259.6776 297.59 . Q V . . 16.583 262.1709 362.03 . . Q V . . 16.667 264.8142 383.82 . . Q V . . 16.750 267.5101 391.44 . . Q . V . . 16.833 270.2464 397.30 . Q . V . . 16.917 273.0167 402.25 . . Q V. . 17.000 275.8161 406.48 . . Q . V. . 17.083 278.5706 399.95 . . Q . V. . 17.167 280.9732 348.86 . . Q V . 17.250 283.0230 297.63 . . Q V . 17.333 284.9482 279.54 . . Q V . 17.417 286.8244 272.42 . . Q V . 17.500 288.6653 267.29 . .Q . V . 17.583 290.4753 262.81 . .Q .V . 17.667 292.2579 258.83 .Q .V . 17.750 294.0157 255.23 . .Q .V . 17.833 295.7503 251.87 . .Q .V . 17.917 297.4632 248.71 . .Q . .V . 18.000 299.1556 245.74 . Q V • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.00 TO NODE 2.00 IS CODE = 1 >)> >UNIT - HYDROGRAPH ANALYSIS <(< « (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .636 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 13.099 WATERCOURSE LENGTH = 19400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11600.000 FEET ELEVATION VARIATION WATERCOURSE ' .... >.....:.. ALONG _ _ 3A 80.000 FEET _ _ ....... ..., ... ■■ ..... +i :. - .., ... -..,. ....ai. , ..... «., .... o. ,<a ... w... r.+.arwv •- .ra+o:.._,.... BASIN FACTOR = .045 WATERSHED AREA = 1960.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) _ .650 - MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .350 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) _ .308 LOW LOSS FRACTION = .132 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .76 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.55 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 2.08 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 4.13 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 6.94 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 16.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 =================================== =========================== UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.044 247.359 2 3.531 589.553 3 7.053 834.867 4 12.182 1215.882 5 • 18.808 1570.458 -- 6 26.263 1767.202 7 34.726 2005.931 8 47.713 3078.425 9 55.839 1926.252 10 60.977 1217.8.31 11 65.022 958.946 - 12 68.433 808.451 13 71.241 665.700 14 73.871 623.334 15 76.097 527.631 16 78.176 492.897 17 79.967 424.545 18 81.650 398.755 19 83.152 356.225 20 84.535 327.713 21 85.757 289.598 22 86.890 268.642 23 87.937 248.179 24 88.872 221.534 25 89.725 202.335 26 90.466 27 91.146 161.115 ~~ 28 91.752 143.669 =, 29 92.324 135.571 30 92.821 117.803 ._ 31 93.278 108.390 32 93.599 76.083 = 33 93.893 69.824 34 94.188 69.884 °.. 35 94.478 68.575 = 36 94.748 64.064 37 95.016 63.629 - 38 95.285 63.641 39 95.529 57.912 ~° 40 95.750 52.324 ~_ 41 95.970 52.174 42 96.190 52.174 - 43 96.405 51.085 44 96.617 50.022 - 45 96.828 50.022 46 97.038 49.926 ~ 47 97.237 47.076 ~ 48 97.402 39.160 49 97.521 28.279 ~~ 50 97.640 28.055 51 97.752 26.523 - �2 97.862 26.101 53 97.972 26.053 54 98.079 25.407 _~ 55 98.172 22.168 56 98.264 21.723 = 57 98.356 21.721 58 98.450 22.342 _ 59 98.550 23.850 ~ 60 98.651 23.899 61 98.752 23.901 -~ 62 98.829 18.307 63 98.875 10.936 64 98.921 10.836 _~ 65 98.967 10.887 66 99.013 10.862 - 67 99.059 10.885 68 99.105 10.836 -~ 69 99.150 10.887 70 99.196 10.885 71 99.242 10.836 ~, 72 99.288 10.885 73 99.334 10.836 = 74 99.380 10.887 75 99.426 10.885 ~° 76 99.471 10.836 . 77 99.512 9.650 78 99.535 5.442 ... 79 99.557 5.147 80 99.578 5.047 . 81 99.600 5.147 82 99.621 5.145 . 83 99.643 5.096 . 84 99.667 5.642 85 99.688 5.096 ~~ 86 99.710 5.096 87 99.731 5.096 AN 88 99.753 5.098 °~ 89 99.774 5.098 90 99.796 5.096 . 91 99.817 5.096 92 99.839 5.096 93 99.860 5.096 -^ 94 99.882 5.098 95 99.903 5.096 96 99.925 5.096 97 99.946 5.096 98 99.968 5.096 99 99.989 5.098 100 100.000 2.555 = TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 342.4125 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2271.4440 = = °= ' - ■ 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 600.0 1200.0 1800.0 2400.0 15.083 1214.5140 1978.68 . . .V . 0 . 15.167 1228.1700 1982.79 . . .V 0 . 15.250 1241.8360 1984.42 . .V Q . ,- 15.333 1255.5010 1984.04 . . V . 0 . 15.417 1269.0750 1970.93 . . V . 0 . 15.500 1282.4460 1941.59 . . . V . Q . r 15.583 1295.5480 1902.30 . . . V .Q . 15.667 1308.2730 1847.76 . . . V 0 . 15.750 1320.5380 1780.83 . . . V Q. . 15.833 1332.3160 1710.15 . . V 0 . 15.917 1343.6150 1640.73 . . V Q . 16.000 1354.2400 1542.67 . . V Q . 16.083 1365.0260 1566.17 . . . V Q . r 16.167 1376.3960 1650.87 . . . V Q . 16.250 1388.2970 1728.01 . . . V Q . . 16.333 1400.9170 1832.54 . . V Q . 16.417 1414.2660 1938.24 . V . 0 . 16.500 142 8.2320 2027.78 . . . V 0 . 16.583 1442.8530 2123.07 . . V 0 . 16.667 1458.9460 2336.65 . . . V 0 . r 16.750 1473.1550 2063.19 . . . V . Q . 16.833 1486.2830 1906.13 . V .0 . 16.917 1499.2050 1876.21 V .0 . r-- 17.000 1512.5550 1938.50 . . . V . 0 . 17.083 1526.1150 1968.86 . V . 0 . 17.167 1539.8330 1991.88 . . V 0 . 17.250 1553.5490 1991.60 . . . V 0 . 17.333 1567.2740 1992.83 . . . V . 0 . 17.417 1580.8780 1975.32 . . . V . 0 . 17.500 1594.3870 1961.48 . . V . Q . M 17.583 1607.7110 1934.64 . . . V . Q . 17.667 1620.7190 1888.71 . V .0 . 17.750 1633.4980 1855.61 . . V 0 . ___ 17.833 1646.1490 1836.88 . . . V Q . 17.917 1658.6870 1820.54 . . VQ . 18.000 1671.1190 1805.14 . . VQ . *****************************+*******+******* * * * ** * * * * * * * ** * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.00 TO NODE 2.10 IS CODE = 5 > > >> >MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = 2.50 _ UPSTREAM . ELEVATI ON = : 2 OQ .. . _. +.. .._. ..L..:. v " DOWNSTREAM ELEVATION = 1950.00 CHANNEL LENGTH(FT) = 2400.00 MANNINGS FACTOR = .030 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2336.65 AVERAGE FLOWRATE IN EXCESS OF 50. MAXIMUM INFLOW = 1683.15 CHANNEL NORMAL VELOCITY FOR Q = 1683.15 CFS = 22.93 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .931 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .998 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 1978.7 1976.7 15.167 1982.8 1981.4 15.250 1984.4 1983.9 15.333 1984.0 1984.2 15.417 1970.9 1975.2 15.500 1941.6 1951.2 7- 15.583 1902.3 1915.1 15.667 1847.8 1865.6 15.750 1780.8 1802.7 •-- 15.833 1710.1 1733.2 15.917 1640.7 1663.4 16.000 1542:7 1574.7 16.083 1566.2 1558.6 " 16.167 1650.9 1623.3 16.250 1728.0 1702.8 16.333 1832.5 1798.4 16.417 1938.2 1903.7 16.500 2027.8 1998.5 16.583 2123.1 2092.0 16.667 2336.7 2267.0 16.750 2063.2 2152.2 16.833 1906.1 1957.5 16.917 1876.2 1886.0 17.000 1938.5 1918.2 17.083 1968.9 1958.9 17.167 1991.9 1984.4 17.250 1991.6 . 1991.7 17.333 1992.8 1992.4 17.417 1975.3 1981.0 17.500 1961.5 1966.0 17.583 1934.6 1943.4 • 17.667 1888.7 1903.7 17.750 1855.6 1866.4 17.833 1836.9 1843.0 17.917 1820.5 1825.9 18.000 1805.1 1810.2 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FLOW PROCESS FROM NODE 2.10 TO NODE 3.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<<< THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference:the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,197 U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 15.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1950.00 DOWNSTREAM ELEVATION = 1570.00 CHANNEL LENGTH(FT) = 6700.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 2266.99 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 1660.44 CHANNEL NORMAL VELOCITY FOR Q = 1660.44 CFS = 40.19 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .959 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .994 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 1976.7 1972.9 15.167 1981.4 1978.9 15.250 1983.9 1982.6 15.333 1984.2 1984.0 15.417 1975.2 1980.0 15.500 1951.2 1964.1 15.583 1915.1 1934.5 15.667 1865.6 1892.2 15.750 1802.7 1836.5 15.833 1733.2 1770.7 15.917 1663.4 1701.1 16.000 1574.7 1622.5 16.083 1558.6 1567.5 16.167 1623.3 1588.6 16.250 1702.8 1660.0 16.333 1798.4 1746.9 16.417 1903.7 1847.0 16.500 1998.5 1947.4 16.583 2092.0 2041.6 16.667 2267.0 2172.9 16.750 2152.2 2213.1 16.833 1957.5 2062.2 16.917 1886.0 1925.0 17.000 1918.2 1901.2 17.083 1958.9 1937.0 17.167 1984.4 1970.6 17.250 1991.7 1987.7 17.333 1992.4 1992.0 17.417 1981.0 1987.1 17.500 1966.0 1974.1 17.583 1943.4 1955.6 17.667 1903.7 1925.0 17.750 1866.4 1886.5 17.833 1843.0 1855.7 17.917 1825.9 1835.1 18.000 1810.2 1818.6 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE _ , 3. . TO NODE. ._ . : 3.00 . ._ I S CODE = 1 . _. -.... -_ .e...._ .....w., ...-«:,...._ 4�_ - .....,..n ._..._ _ ..- _* ....... ... ....... ...r...- :,e:.. .c>:a. _ . _..._ . r.. e• hj.. v.-: ..._..+..._:rs,.tL.a..:.ls. -:r n.y:: ._.saa:.Ji':'7.,:.• RY.�•..?s•ns.YC.:e.,:1 +'+::ter +',:. )))))UNIT- HYDROGRAPH ANALYSIS <<<<< -- (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .261 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 31.976 WATERCOURSE LENGTH = 17800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2300.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 1947.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED): r "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .350 FOOTHILL "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .650 MOUNTAIN "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 VALLEY(UNDEVELOPED /DESERT): "S" -CURVE PERCENTAGE(DECIMAL NOTATION) = .000 MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .475 LOW LOSS FRACTION = .349 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .60 r SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.26 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.69 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 3.30 SPECIFIED PEAK`6 -HOUR RAINFALL(INCH) = 5.10 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 11.50 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 _ - - - - _ _____ ------ -_____ UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 2.232 525.475 2 10.878 2035.799 3 28.831 4227.423 4 57.739 6806.794 5 73.302 3664.560 6 82.163 2086.481 7 87.737 1312.598 8 91.338 847.810 9 93.725 562.004 10 95.592 439.556 11 96.980 326.957 12 97.956 229.866 13 98.589 149.075 14 98.882 68.891 15 99.114 54.530 16 99.316 47.660 Aft 17 99.458 33.357 18 99.599 33.357 19 99.741 33.355 20 99.883 33.357 '" 21 100.000 27.628 TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 612.5674 "` TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 1165.0090 40 4W 4 OW 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 550.0 1100.0 1650.0 2200.0 15.083 655.4016 1229.61 . . . Q . 15.167 663.8232 1222.83 . . . 0 . ,_ 15.250 672.1956 1215.66 . . . QV . 15.333 680.5105 1207.33 . . .Q V . 15.417 688.6706 1184.84 . . .Q V . 15.500 696.4016 1122.54 . . Q V . 15.583 703.3366 1006.97 . . Q . V . 15.667 709.0701 832.50 . . 0 V . 15.750 714.2766 755.98 . 0 V . --. 15.833 719.3365 734.71 . 0 V . 15.917 724.4773 746.44 . . Q V . 16.000 730.0001 801.91 . . Q . V . 16.083 736.8435 993.67 . 0 . V . r 16.167 746.3227 1376.38 . . . Q . 16.250 758.8326 1816.45 . . V Q . 16.333 773.8200 2176.16 . . . V Q. r 16.417 784.5177 1553.31 . . V Q . . 16.500 792.9726 1227.65 . . . Q V . 16.583 800.6775 1118.75 . . Q V . 16.667 808.7000 1164.87 . . .0 V . 16.750 816.9023 1190.98 . .Q V . . 16.833 825.2857 1217.26 .. . 0 V . . 16.917 833.7674 1231.54 . . Q V . . 17.000 842.3033 1239.41 . . Q V . 17.083 850.8178 1236.31 . . Q V. . 17.167 859.1404 1208.44 . .0 V. ,- 17.250 867.0781 1152.56 . 0 V. 17.333 874.3105 1050.15 . . Q. V . 17.417 881.1167 988.25 . Q . V . 17.500 887.6511 948.79 . Q V 17.583 893.9855 919.75 . . Q V 17.667 900.1627 896.94 . 0 V . 17.750 906.2018 876.87 . Q V . 17.833 912.0948 855.67 . Q .V . 17.917 917.8895 841.38 . Q .V . 18.000 923.6002 829.20 . Q .V • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 5 > > > > >MODEL CHANNEL ROUTING BY THE CONVEX METHOD <<<<< == = = =_= = THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 22.00 CHANNEL Z = .00 UPSTREAM - ELEVATION, _ -. 1570.,00_ . _ _ ,- ; DOWNSTREAM ELEVATION = 1380.00 CHANNEL LENGTH(FT) = 5500.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 3923.08 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 2744.42 CHANNEL NORMAL VELOCITY FOR Q = 2744.42 CFS = 37.08 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .956 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .996 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3202.5 3200.4 15.167 3201.7 3202.1 15.250 3198.2 3199.9 15.333 3191.3 3194.6 15.417 3164.9 3177.4 15.500 3086.6 3123.8 15.583 2941.5 3010.6 15.667 2724.7 2828.0 15.750 2592.5 2655.8 15.833 2505.4 2547.0 15.917 2447.5 2475.2 16.000 2424.4 2435.5 16.083 2561.2 2496.2 r- 16.167 2965.0 2772.9 16.250 3476.4 3232.6 16.333 3923.1 3709.8 16.417 3400.3 3647.7 16.500 3175.0 3283.1 16.583 3160.3 3167.8 16.667 3337.7 3253.5 16.750 3404.1 3372.2 16.833 3279.5 3338.6 16.917 3156.5 3215.2 17.000 3140.6 3148.4 17.083 3173.3 3157.8 17.167 3179.0 3176.2 17.250 3140.2 3158.7 17.333 3042.1 3088.8 17.417 2975.4 3007.3 17.500 2922.9 2948.0 17.583 2875.3 2898.0 17.667 2822.0 2847.4 17.750 2763.4 2791.3 17.833 2711.4 2736.2 17.917 2676.5 2693.2 18.000 2647.8 2661.5 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3.00 TO NODE 4.00 IS CODE = 2 > > > > >FLOWBY STRUCTURE ROUTING MODEL<<<<< = = = = = = = = = = = = = =__ = =sass = = = = =__________ • MODEL STREAM NUMBER 3 FLOWING PAST A FLOWBY STRUCTURE: FLOWRATES IN ,STREAM #,3 - WHICH ARE_GREATER THAN 3100.0 CFS ARE ASSUMED TO BE EXCESS FLOWS. FLOW EXCESS IS ASSUMED TO BE ADDED TO STREAM NUMBER 1 INFLOW INFLOW (STREAM 1) (STREAM 3) 1 1 flow excess 1 (__N ___- _- __--__* ( =flowby structure 1 1 (flowby Q = 3100.0 cfs) 1 1 1 V V STREAM 1 STREAM 3 + FLOW EXCESS FLOWBY FLOWBY BASIN MODELING RESULTS: MODEL INFLOW INFLOW OUTFLOW FLOWBY TIME (STREAM 1) (STREAM 3) (STREAM 1) (STREAM 3) (HRS) (CFS) (CFS) (CFS) (CFS) 15.083 4739.4 3200.4 4839.8 3100.0 15.167 4785.5 3202.1 4887.5 3100.0 15.250 4826.8 3199.9 4926.7 3100.0 15.333 4867.6 3194.6 4962.2 3100.0 15.417 4892.1 3177.4 4969.5 3100.0 15.500 4849.2 3123.8 4873.0 3100.0 15.583 4813.2 3010.6 4813.2 3010.6 15.667 4835.1 2828.0 4835.1 2828.0 15.750 4869.9 2655.8 4869.9 2655.8 15.833 4898.6 2547.0 4898.6 2547.0 15.917 4932.0 2475.2 4932.0 2475.2 16.000 4999.0 2435.5 4999.0 2435.5 16.083 5181.0 2496.2 5181.0 2496.2 16.167 5602.7 2772.9 5602.7 2772.9 16.250 5540.8 3232.6 5673.5 3100.0 16.333 5190.0 3709.8 5799.8 3100.0 16.417 5104.4 3647.7 5652.1 3100.0 16.500 5195.6 3283.1 5378.7 3100.0 16.583 5307.9 3167.8 5375.7 3100.0 16.667 5367.7 3253.5 5521.2 3100.0 16.750 5406.5 3372.2 5678.7 3100.0 16.833 5440.6 3338.6 5679.2 3100.0 16.917 5472.8 3215.2 5588.0 3100.0 17.000 5504.0 3148.4 5552.5 3100.0 17.083 5525.0 3157.8 5582.8 3100.0 17.167 5501.4 3176.2 5577.7 3100.0 17.250 5476.4 3158.7 5535.0 3100.0 17.333 5481.7 3088.8 5481.7 3088.8 17.417 5494.3 3007.3 5494.3 3007.3 17.500 5504.5 2948.0 5504.5 2948.0 17.583 5511.0 2898.0 5511.0 2898.0 17.667 5514.2 2847.4 5514.2 2847.4 17.750 5514.3 2791.3 5514.3 2791.3 17.833 5511.5 2736.2 5511.5 2736.2 17.917 5506.1 2693.2 5506.1 2693.2 18.000 5498.6 2661.5 5498.6 2661.5 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE ._. 6. 1 0 TO NODE 4.40 IS CODE _ . ,. > > > >)UNIT- HYDROGRAPH ANALYSIS <<<(( ___________= s ==_ = = = = == = = = = =__ = = = == s= = =s = = == (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .300 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 27.808 WATERCOURSE LENGTH = 12600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 7300.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 310.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 924.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .504 LOW LOSS FRACTION = .428 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .56 SPECIFIED PEAK 30- MINUTES RAINFALL (INCH) = 1.16 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.91 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.40 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR =' .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .B37 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 16.00 MODEL TIME(HOURS) FOR END OF RESULTS = 17.00 ______ =--=========================== UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.703 190.295 9.305 849.455 3 25.340 1791.952 4 47.046 2425.486 5 69.072 2461.345 6 83.532 1615.823 7 91.405 879.762 8 95.734 483.759 9 97.857 237.254 10 98.547 77.126 11 99.068 58.265 12 99.590 58.265 13 100.000 45.836 TOTAL SOIL- LOSS VOLUME_(ACRE- FEET)__= 303. TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 415.7392 ■11. 41111 Ma 4111 Am* 401 Aon 4110 toa 4.* —mt , Pea, +4,9 r 66. 00 01.4 Met - . = 24-HOUR STORM e a R U N O F F H Y D R O G R A P H ea* HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) . TIME(HRS) VOLUME(AF) Q(CFS) 0. 200.0 400.0 600.0 800.0 . 16.083 260.8537 354.63 . . Q . V . . =` 16.167 264.3373 505.82 . . . Q . . ~~ 16.250 269.0761 688.07 . . . V . 0 . 16.333 274.5169 790.01 . . . V . 0. = 16.417 279.7990 766.96 . . . V . 0 . 16.500 283.9670 605.19 . . • V 0 • ~� 16.583 287.2866 481.99 . . . 0 V . . 16.667 290.2855 435.45 . . .Q V . . . 16.750 293. 2215 426.30 . . .Q V . . ~~ 16.833 296. 1515 425.43 . . .0 V . . 16.917 299.1696 438.23 . . .0 V . . ~ 17.000 302.2578 448.41 . ~ . 0 V. . _ -- **************************************************************************** FLOW PROCESS FROM NODE 4.10 TO NODE 4.00 IS CODE = 3 ~ >>>>>MODEL FLOW-THROUGH DETENTION BASIN ROUTIWG(<((< ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 1 THROUGH A FLOW-THROUGH DETENTION BASIN ~ USING FIVE-MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: ~- DEAD STORAGE(AF) = .000 ~~ SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 ^~ BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE ~~ NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 = 2 2.00 32.00 6.200 3 6.00 254.00 61.400 ~~ 4 10.00 576.00 182.000 . 5 14.00 743.00 379.100 6 18.00 1275.00 604.500 . 7 22.00 1556.00 883.900 8 26.00 2120.00 1163.100 . 9 30.00 2444.00 1457.900 10 34.00 2726.00 1768.400 . 11 38.00 2978.00 2078.9(}0 ^illd 12 42.00 3210.00 2421.300 13 46.00 3425.00 2763.700 °° 14 48.00 3528.00 2934.500 15 50.00 5624.00 3119.300 . 16 52.00 8429.00 3304. 100 ~" . TNRI OW - . ♦.., s� "t_i 1. \ .... 4.: .... ... k� \_ ..r �.. '1...'t.. . .'X... _ w.'.ix .. 1\. ti:..r Ln s. Y t. !LJ .ax. ..'._....a:..w c tr.1 _c a..: •.N x. Fv. r_-:. NUS4` wu vwc. aa.....: w,. a: ra+ U' .ntaaa.aawaww'u.+c>.+fS..R.t.. (STREAM 1) V effective depth (and volume) 1 1 1 t 1 V 1 detention 1 (- -)1 outflow 1 basin 1 storage 1 basin outlet V OUTFLOW (STREAM 1) _ = = == = =_ =___ r BASIN ROUTING MODEL RESULTS(5- MINUTE INTERVALS): TIME DEAD- STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 15.083 .000 4839.8 32.58 2618.7 1657.947 15.167 .000 4887.5 32.78 2632.7 1673.475 15.250 .000 4926.7 32.98 2646.9 1689.176 15.333 .000 4962.2 33.18 2661.2 1705.023 15.417 .000 4969.5 33.39 2675.6 1720.821 15.500 .000 4873.0 33.58 2689.6 1735.858 15.583 .000 4813.2 33.77 2703.0 1750.391 15.667 .000 4835.1 33.96 2716.3 1764.983 15.750 .000 4869.9 34.15 2729.0 1779.727 15.833 .000 4898.6 34.34 2741.2 1794.585 15.917 .000 4932.0 34.53 2753.3 1809.590 16.000 .000 4999.0 34.73 2765.7 1824.971 16.083 .000 5181.0 34.94 2778.6 1841.516 16.167 .000 5602.7 35.19 2793.2 1860.865 16.250 .000 5673.5 35.45 2809.0 1880.593 16.333 .000 5799.8 35.71 2825.4 1901.078 16.417 .000 5652.1 35.96 2841.5 1920.435 16.500 .000 5378.7 36.18 2856.4 1937.806 16.583 .000 5375.7 36.40 2870.5 1955.059 16.667 .000 5521.2 36.64 2884.9 1973.216 16.750 .000 5678.7 36.89 2900.0 1992.353 16.833 .000 5679.2 37.13 2915.5 2011.387 16.917 .000 5588.0 37.37 2930.6 2029.688 17.000 .000 5552.5 37.60 2945.3 2047.644 17.083 .000 5582.8 37.83 2960.0 2065.707 17.167 .000 5577.7 38.06 2974.3 2083.637 17.250 .000 5535.0 38.26 2987.2 2101.184 17.333 .000 5481.7 38.46 2998.9 2118.283 17.417 .000 5494.3 38.66 3010.5 2135.389 17.500 .000 5504.5 38.86 3022.1 2152.486 17.583 .000 5511.0 39.06 3033.6 2169.548 17.667 .000 5514.2 39.26 3045.2 2186.552 17.750 .000 5514.3 39.46 3056.7 2203.478 17.833 .000 5511.5 39.65 3068.1 2220.305 17.917 .000 5506.1 39.85 3079.5 2237.018 18.000 .000 5498.6 40.04 3090.8 2253.601 18.083 .000 5485.6 40.23 3101.9 2270.017 18.167 .000 5456.1 40.42 3113.0 2286.155 18.250 .000 5425.0 40.61 3123.8 2302.003 18.333 .000 5402.8 40.79 3134.5 2317.625 18.417 .000 5381.4 40.97 3145.0 2333.028 18.500 .000 5357.6 41.15 3155.3 2348.195 18.583 .000 _ 5331.3 41.32 _ 3165. _2363.1_11 .. -- 18.667 .000 5302.8 41.49 3175.5 2377.762 18.750 .000 5272.4 41.66 3185.4 2392.135 18.833 .000 5240.4 41.82 3195.0 2406.221 18.917 .000 5207.1 41.98 3204.5 2420.013 19.000 .000 5172.7 42.14 3213.4 2433.507 19.083 .000 5137.4 42.30 3221.8 2446.700 19.167 .000 5101.4 42.45 3230.0 2459.588 19.250 .000 5064.8 42.59 3238.0 2472.169 19.333 .000 5027.7 42.74 3245.8 2484.441 19.417 .000 4990.3 42.88 3253.4 2496.403 19.500 .000 4952.6 43.01 3260.8 2508.055 19.583 .000 4914.8 43.15 3268.0 2519.396 19.667 .000 4876.9 43.27 3275.1 2530.428 19.750 .000 4839.0 43.40 3281.9 2541.152 19.833 .000 4801.3 43.52 3288.5 2551.570 19.917 .000 4763.7 43.64 3295.0 2561.685 20.000 .000 4726.3 43.75 3301.2 2571.499 20.083 .000 4689.2 43.97 3307.3 2581.016 20.167 .000 4652.5 43.97 3313.2 2590.240 20.250 .000 4616.2 44.08 3318.9 2599.175 20.333 .000 4580.5 44.18 3324.4 2607.825 20.417 .000 4545.3 44.28 3329.8 2616.197 20.500 .000 4509.8 44.37 3334.9 2624.288 20.583 .000 4468.6 44.46 3339.9 2632.062 20.667 .000 4423.3 44.55 3344.7 2639.490 20.750 .000 4379.6 44.63 3349.2 2646.586 20.833 .000 4337.5 44.71 3353.6 2653.363 20.917 .000 4296.9 44.79 3357.7 2659.831 21.000 .000 4257.8 44.86 3361.7 2666.002 21.083 .000 4219.9 44.93 3365.5 2671.886 21.167 .000 4183.2 44.99 3369.1 2677.493 21.250 .000 4147.7 45.06 3372.5 2682.832 21.333 .000 4113.3 45.11 3375.8 2687.911 21.417 .000 4079.9 45.17 3378.9 2692.739 21.500 .000 4047.5 45.22 3381.9 2697.323 21.583 .000 4015.9 45.28 3384.7 2701.670 21.667 .000 3985.1 45.32 3387.3 2705.787 21.750 .000 3954.9 45.37 3389.9 2709.678 21.833 .000 3925.3 45.41 3392.2 2713.349 21.917 .000 3896.2 45.45 3394.5 2716.804 22.000 .000 3867.6 45.49 3396.6 2720.048 22.083 .000 3839.5 45.53 3398.5 2723.085 22.167 .000 3811.9 45.56 3400.4 2725.919 22.250 .000 3784.8 45.59 3402.1 2728.555 22.333 .000 3758.2 45.62 3403.7 2730.996 22.417 .000 3732.0 45.64 3405.2 2733.247 22.500 .000 3706.2 45.67 3406.5 2735.311 22.583 .000 3680.9 45.69 3407.8 2737.191 22.667 .000 3655.9 45.71 3408.9 2738.893 22.750 .000 3631.4 45.73 3409.9 2740.418 22.833 .000 3607.3 45.74 3410.8 2741.771 22.917 .000 3583.5 45.76 3411.6 2742.955 23.000 .000 3560.1 45.77 3412.3 2743.972 23.083 .000 3537.1 45.78 3412.9 2744.827 23.167 .000 3514.4 45.79 3413.4 2745.523 23.250 .000 3492.0 45.79 3413.8 2746.062 23.333 .000 3470.0 45.80 3414.0 2746.447 23.417 .000 3448.3 45.80 3414.2 2746.682 23.500 .000 3426.9 45.80 3414.3 2746.769 23.583 .000 3405.9 45.80 3414.4 2746.710 23.667 .000 3385.1 45.80 3414.3 2746.509 23.750 .000 3364.6 45.80 3414.1 2746.168 23.833 .000 3344.4 45.79 3413.8 2745.689 23.917 .000 3324.4 45.78 3413.5 2745.076 24.000 .000 3304.6 45.77 3413.1 2744.329 24.083 - - . _ _ 3272.0 _ . 45.76 3412.5 2743.361 - - ' . ^ ' � ^ . ^ _-- 24.167 .000 3196.8 45.75 3411.8 2741.380 ' ma 24.250 .000 3122.3 45.72 3410.7 2739.894 24.333 .000 3075.4 45.70 3409.3 2737.594 m 24.417 .000 3032.7 45.66 3407.8 2735.011 m 24.500 .000 2694.9 45.61 3405.4 2730.117 24.583 .000 2518.6 45.54 3402.0 2724.033 00 24.667 .000 2444.9 45.46 3398.0 2717.469 24.750 .000 2357.2 45.38 3393.7 2710.330 - 24.833 .000 2227.5 45.28 3389.0 2702.331 ~~ 24.917 .000 2014.5 45.17 3383.5 2692.902 25.000 .000 1827.9 45.05 3377.2 2682.232 .0 25.083 .000 1656.8 44.91 3370.1 2670.432 25.167 .000 1530.6 44.76 3362.5 2657.816 = 25.250 .000 987.7 44.57 3353.4 2641.523 25.333 .000 465.1 44.34 3342.1 2621.709 . 25.417 .000 402.0 44.11 3329.5 2601.548 °til 25.500 .000 361.4 43.87 3316.8 2581.194 25.583 .000 312.0 43.63 3303.9 2560.588 ~° 25.667 .000 281.5 43.39 3291.0 2539.862 25.750 .000 242.3 43.14 3277.9 2518.956 =° 25.833 .000 216.7 42.90 3264.7 2497.964 .. 25.917 .000 182.4 42.65 3251.5 2476.826 26.000 .000 162.3 42.40 3238.2 2455.642 26.083 .000 133.6 42.15 3224.9 2434.352 26.167 .000 110.4 41.90 3211.3 2412.996 26.250 .000 77.3 41.65 3197.1 2391.510 26.333 .000 66.3 41.40 3182.5 2370.048 26.417 .000 39.8 41.15 3168.0 2348.504 26.500 .000 39.8 40.90 3153.4 2327.060 26.583 .000 24.4 40.65 3138.9 2305.611 26.667 .000 24.4 40.40 3124.4 2284.261 26.750 .000 17.1 40.15 3109.9 2262.960 26.833 .000 17.1 39.90 3095.5 2241.759 _~ 26.917 .000 12.8 39.66 3081.2 2220.627 27.000 .000 12.8 39.41 3066.9 2199.593 ~ 27.083 .000 10.5 39.17 3052.7 2178.642 27.167 .000 10.5 38.92 3038.5 2157.788 ~ 27.250 .000 8.6 38.68 3024.4 2137.018 _ 27.333 .000 8.6 38.44 3010.4 2116.345 27.417 .000 7.3 38.20 2996.4 2095.759 27.500 .000 7.3 37.95 2982.2 2075.271 27.583 .000 6.3 37.69 2966.8 2054.881 27.667 .000 6.3 37.43 2950.3 2034.606 27.750 .000 5.2 37.17 2933.9 2014.436 27.833 .000 5.2 36.91 2917.5 1994.378 ,~ 27.917 .000 4.4 36.65 2901.3 1974.427 28.000 .000 4.4 36.40 2885.2 1954.587 . 28.083 .000 3.6 36.14 2869.1 1934.853 28.167 .000 3.6 35~89 2853.1 1915.228 ~~ 28.250 .000 3.1 35.64 2837.2 1895.709 = 28.333 .000 3.1 35.39 2821.4 1876.299 28.417 .800 2.6 35.14 2805.7 1856.994 .= 28.500 .000 2.6 34.89 2790.1 1837.796 28.583 .000 2.1 34.65 2774.6 1818.702 . 28.667 .000 2.1 34.40 2759.1 1799.714 28.750 .000 1.7 34.16 2743.8 1780.829 °~ 28.833 .000 1.7 33.92 2728.2 1762.051 . 28.917 .000 1.3 33.68 2711.8 1743.384 29.000 .000 1.3 33.44 2694.9 1724.834 . 29.083 .000 .9 33.20 2678.1 1706.396 29.167 .000 .9 32.97 2661.4 1688.074 . 29.250 .000 .6 32.73 2644.8 1669.863 °= 29.333 .000 .6 32.50 2628.3 1651.766 29.417 .000 .4 32.27 2611.9 1633.781 ma 29.500 .000 .4 32.04 2595.6 1615.907 7'9' .000 .3 31.81 2579.4 1598.145 • _. -. . _ .]....+ r........ r. WOW w+ss 29.667 .000 .3 31.58 2563.4 1580.493 29.750 .000 .2 31.35 2547.4 1562.950 29.833 .000 .2 31.13 2531.5 1545.517 29.917 .000 .0 30.91 2515.7 1528.192 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 5.20 TO NODE 4.00 IS CODE = 1 > > >> >UNIT - HYDROGRAPH ANALYSIS((((( == ======================================================== (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .494 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 16.884 WATERCOURSE LENGTH = 26600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 14000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 330.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 1870.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .320 LOW LOSS FRACTION = .282 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .57 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.18 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.55 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.84 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.25 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 .965 218.188 2 3.460 564.292 3 9.267 1313.276 4 18.654 2122.795 5 29.627 2481.700 6 43.027 3030.550 7 57.795 3339.754 8 70.260 2818.897 9 _ 79.708 - 2136. -732 • 10 86.377 1508.242 11 90.722 982.534 12 93.931 725.855 13 96.053 479.846 14 97.442 314.175 15 98.184 167.774 16 98.501 71.605 17 98.817 71.605 18 99.134 71.605 _= 19 99.450 71.605 20 99.767 71.605 21 100.000 52.680 001 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 403.9300 40 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1050.9170 = - � = � = ■= �N wro == _ . =m 2 4 - H O U R S T O R M = RUNOFF HYDROGRAPH =~ HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) = TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 - 15.083 569.4908 1085.45 . . .V Q . . = 15.167 576.9839 1088.01 . . .V Q. . - , 15.250 584.4782 1088.17 . . . V Q. . 15.333 591.9624 1086.70 . . . V 0 . . ~~ 15.417 599.3972 1079.53 . . . V Q . . 15.500 606.7228 1063.68 . . . V 0 . . ~~ 15.583 613.8151 1029.80 . . . V Q . . 15.667 620.5483 977.65 . . . V 0 . . = 15.750 626.8895 920.75 . • . VQ . • - 15.833 632. 7820 855.59 . . . Q V . . 15.917 638.2446 793.17 . . .Q V . . ~~ 16.000 643.4852 760.92 . . 0 V . . 16.083 648.9982 800.50 . . .0 V . . -~ 16.167 655. 1626 895.07 . . . QV . . . 16.250 662.5376 1070.85 . . . V Q . . 16.333 671.1328 1248.02 . . V . 0 . . 16.417 680.3935 1344.66 . . . V . Q . 16.500 690.3943 1452.12 . . . V . 0 . 16.583 700.7229 1499.72 . . . V . Q. 16.667 710.3981 1404.84 . . . V . 0 . ~ 16.750 719.2214 1281.15 . . . V . 0 . .~ 16.833 727.3850 1185.35 . . • V .Q . 16.917 735.1644 1129.57 . . . V Q . -~ 17.000 742.8731 1119.30 . . • VQ. . 17.083 750.4697 1103.02 . . . VQ. . = 17.167 757.9669 1088.60 . . . VQ. . _~ 17.250 765.2665 1059.91 . . . QV. . 17.333 772.3345 1026.26 . . . Q V. . ~~ 17.417 779.2142 998.94 . . . Q V. . 17.500 785.8201 959.18 . . . 0 V. ~ 17.583 792.0814 909.15 . . . 0 V . 17.667 798.0111 860.99 . . . Q V . ~~ 17.750 803.6393 817.21 . . .0 V . . 17.833 808.9895 776.85 . . Q V . 17.917 814.1761 753.09 . . 0 V . °. 18.000 819.2289 733.67 . . Q. .V . . . **************************************************************************** FLOW PROCESS FROM NODE 4.00 TO NODE 5.00 IS CODE = 5 . >>>>>MODEL CHANNEL ROUTING BY THE CONVEX METHOD<<<(< . . . THE MODIFIED C-ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5-MINUTE . INTERVALS (Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17-52, August. 1972, °� U.S. Department of Commerce). . ASSUMED REGULAR CHANNEL INFORMATION: ' = BASEWIDTH(FT) = 25.00 CHANNEL Z = 1.50 UPSTREAM ELEVATION = 1380.00 DOWNSTREAM ELEVATION = 1330.00 CHANNEL LENGTH(FT) se 2400.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4370.21 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3245.82 CHANNEL NORMAL VELOCITY FOR Q = 3245.82 CFS = 30.64 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .947 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = 1.000 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 3704.2 3699.5 15.167 3720.7 3716.6 15.250 3735.1 3731.5 15.333 3747.9 3744.8 15.417 3755.1 3753.4 15.500 3753.3 3753.8 15.583 3732.8 3737.9 15.667 3693.9 3703.6 15.750 3649.8 3660.7 15.833 3596.8 • 3609.9 15.917 3546.5 3559.0 16.000 3526.10 3531.5 16.083 3579.1 3566.1 16.167 3688.3 3661.2 16.250 3879.9 3832.5 16.333 4073.4 4025.5 16.417 4186.2 4158.3 16.500 4308.6 4278.3 16.583 4370.2 4354.9 16.667 4289.7 4309.6 16.750 4181.1 4208.0 16.833 4100.8 4120.7 16.917 4060.2 4070.3 17.000 4064.7 4063.6 17.083 4063.0 4063.4 17.167 4062.B 4062.9 17.250 4047.1 4051.0 17.333 4025.2 4030.6 17.417 4009.4 4013.3 17.500 3981.2 3988.2 17.583 3942.8 3952.3 17.667 3906.2 3915.2 17.750 3873.9 3881.9 17.833 3845.0 3852.1 17.917 3832.6 3835.6 18.000 3824.4 3826.4 18.083 3818.8 3820.2 18.167 3813.1 3814.5 18.250 3806.5 3808.1 18.333 3798.0 3800.1 18.417 3788.2 3790.6 18.500 3776.1 3779.1 18.583 3762.8 3766.1 18.667 3751.8 3754.5 18.750 3743.9 3745.9 18.833 3739.6 3740.7 18.917 3737.6 b 3738.1 _; _...,_._.... • 19.000 3736.5 3736.8 19.083 3736.2 3736.3 ,O 19.167 3736.7 3736.6 19.250 3737.9 3737.6 19.333 3739.5 3739.1 19.417 3741.2 3740.8 19.50 0 3743.0 3742.5 19.583 3744.7 3744.3 19.667 3746.5 3746.0 19.750 3748.3 3747.8 19.833 3750.3 3749.8 19.917 3752.3 3751.8 20.000 3754.2 3753.7 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 4.40 TO NODE 5.00 IS CODE = 1 > >)> )UNIT- HYDROGRAPH ANALYSIS < < < << (UNIT- HYDROGRAPH ADDED TO STREAM *1) WATERCOURSE "LAG" TIME _ .112 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 74.719 WATERCOURSE LENGTH = 6200.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 1900.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 100.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 117.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .155 LOW LOSS FRACTION = .127 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .55 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.13 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.52 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.80 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.15 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.55 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 17.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH '�` NUMBER MEAN VALUES ORDINATES(CFS) 1 9.830 139.087 - 2 58.053 682.339 3 91.796 477~456 4 98.450 94.158 5 99.484 14.629 6 99.794 4.380 7 99.948 2.190 � 8 100.000 .730 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 11.1060 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 77.5901 .. ..... .,_ _.. •. -- -- '....: ..:,... :..•... ...... .., . ,.....,,:. „, ..-, ..: ..:,..;. ,. ,,,- .. ,.. ... ..'..w.�,,,, w;,;.: .., .,.. rea `a�. ,..o -.a. ..E;..- ...r'.,a y.;a. °;...i;.��z .:. _...:....:s,:. �... .�:.wa.-... �:.,..,....... 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = = = =_ =_ = =__ =__ = = =_ = =_ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 50.0 100.0 150.0 200.0 15.083 44.8637 81.72 . . Q . V . 15.167 45.4245 81.44 . . Q . V . 15.250 45.9835 81.16 . . Q . V . 15.333 46.5402 80.83 . . Q V 15.417 47.0674 76.55 . Q V . 15.500 47.4599 57.00 .Q V . 15.583 47.7670 44.59 . Q . . V . 15.667 48.0769 44.99 Q . . V . 15.750 48.4067 47.89 . Q. V . 15.833 48.7562 50.76 . Q . V . 15.917 49.1472 56.77 . .Q V • . 16.000 49.6449 72.26 . . Q V . 16.083 50.4258 113.39 . . . Q V . r- 16.167 51.7975 199.18 . . . V Q. 16.250 52.8344 150.55 . V Q . 16.333 53.3452 74.16 . . Q V . 16.417 53.7225 54.79 Q . V . 16.500 54.1818 66.69 . . Q V . . 16.583 54.7207 78.25 . . Q . V . . 16.667 55.2775 80.85 . Q . V . . - 16.750 55.8394 81.59 . . Q . V . . 16.833 56.4052 82.16 . . Q V. . 16.917 5 82.63 . Q V. . 17.000 57.5460 83.02 . Q V. . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 5.00 TO NODE 7.00 IS CODE = 5 > > >) )MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 24.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1330.00 DOWNSTREAM ELEVATION = 1280.00 CHANNEL LENGTH(FT) = 3200.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4433.19 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3284.54 CHANNEL NORMAL VELOCITY FOR Q = 3284.54 CFS = 29.65 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .946 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR,. _ .999 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 3781.2 3774.5 15.167 3798.1 3792.3 15.250 3812.7 3807.7 15.333 3825.6 3821.2 --- 15.417 3829.9 3828.4 15.500 3810.7 3817.3 15.583 3782.5 3792.1 15.667 3748.5 3760.1 15.750 3708.6 3722.2 15.833 3660.7 3677.0 15.917 3615.7 3631.1 16.000 3603.8 3607.9 16.083 3679.5 3653.7 16.167 3860.4 3798.7 16.250 3983.0 3941.1 16.333 4099.7 4059.8 16.417 4213.1 4174.3 16.500 4345.0 4299.9 16.583 4433.2 4403.0 16.667 4390.5 4405.0 16.750 4289.6 4324.0 16.833 4202.9 4232.5 16.917 4152.9 4170.0 17.000 4146.16 4148.7 17.083 4144.2 4145.0 17.167 4131.1 4135.5 17.250 4109.7 4117.0 17.333 4086.4 4094.4 °-- 17.417 4067.8 4074.2 17.500 4041.7 4050.6 17.583 4004.8 4017.4 17.667 3966.8 3979.8 17.750 3932.7 3944.3 17.833 3902.2 3912.6 17.917 3885.0 3890.9 18.000 3875.1 3878.5 18.083 3867.7 3870.2 18.167 3858.3 3861.5 18.250 3849.2 3852.3 18.333 3840.1 3843.2 18.417 3830.0 3833.4 18.500 3817.9 3822.0 18.583 3804.4 3809.0 18.667 3792.3 3796.4 18.750 3783.2 3786.3 18.833 3777.6 3779.5 18.917 3774.6 3775.6 19.000 3772.8 3773.4 19.083 3771.9 3772.2 19.167 3771.8 3771.9 19.250 3772.5 3772.3 19.333 3773.7 3773.3 19.417 3775.0 3774.5 19.500 3776.4 3775.9 19.583 3777.8 3777.3 19.667 3779.3 3778.8 19.750 3780.7 3780.2 19.833 3782.4 3781.9 19.917 .. 3784.1 3783.6 20.000 37 3785.3 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 7.00 TO NODE 7.00 IS CODE = 1 > > > >)UNIT- HYDROGRAPH ANALYSIS«( << ___ ____ _____ = = = = == = = = == =a.= = ==e = == = = == =yea = = = = = = == == == == = == = = = == (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .483 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 17.264 WATERCOURSE LENGTH = 26900.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 11300.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 250.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 2302.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .358 LOW LOSS FRACTION = .320 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .55 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.17 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.52 SPECIFIED PEAK 3- HOUR'RAINFALL(INCH) = 2.75 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.00 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.30 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 - - -_ === = = =--- -....= UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 .987 274.643 2 3.590 724.682 3 9.722 1707.199 4 19.502 2722.854 5 30.838 3155.835 6 44.916 3919.212 7 59.769 4135.256 8 72.103 3433.701 9 81.111 2507.828 10 87.479 1772.823 11 91.557 1135.243 12 94.580 ..- 841.753 13 96.486 530.631 14 97.771 357.511 15 98.287 143.825 16 98.611 90.143 17 98.935 90.126 18 99.259 90.141 =» 19 99.582 90.126 20 99.906 90.126 21 100.000 26.155 � TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 535.4379 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 1164. 1600 ~� = 41* Aes = = = =___ = =_=== - -w-= =•- = - - = - -= -= = =- = -.- 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = === =_== =_ =_ =___ = == _==__== HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 450.0 900.0 1350.0 1800.0 15.083 62 7.8531 1216.02 . . .V Q . 15.167 636.2537 1219.78 . . .V Q . . 15.250 644.6571 1220.17 . . . V Q . 15.333 653.0565 1219.59 . . . V Q . 15.417 661.4060 1212.35 . . . V Q . 15.500 669.6333 1194.61 . . . V Q . 15.583 677.5859 1154.72 . . . V Q . . 15.667 685.1163 1093.42 . . VQ . 15.750 692.1887 1026.90 QV 15.833 698.7332 950.27 . . .Q V . 15.917 704.8136 882.87 . . Q. V . 16.000 710.6956 854.07 . . Q . V . 16.083 716.9811 912.66 . . Q V . 16.167 724.1331 1038.46 QV . 16.250 732.8259 1262.19 . . . V Q . . 16.333 743.0016 1477.52 . . . V . Q . 16.417 753.9507 1589.80 . . V Q . 16.500 765.8058 1721.36 . . V . Q . 16.583 777.8174 1744.'10 . . V Q . 16.667 788.9426 1615.37 . V . Q . 16.750 798.9390 1451.47 . . V . Q . 16.833 808.1965 1344.19 . V Q. . 16.917 816.9919 1277.10 . . . Q . . 17.000 825.7008 1264.53 . Q . 17.083 834.2396 1239.83 . . QV . . 17.167 842.6603 1222.68 . . QV . 17.250 850.7806 1179.06 . Q V. 17.333 858.6579 1143.79 . . Q V. . 17.417 866.2689 1105.12 . Q V. 17.500 873.5032 1050.42 _ . Q V 17.583 880.2834 984.49 . .Q V 17.667 886.6447 923.66 . Q V . 17.750 892.6017 864.95 . Q. V 17.833 898.2684 822.81 . Q . V . 17.917 903.7415 794.69 . . Q .V 18.000 909.0555 771.60 . . Q .V ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 7.00 TO NODE 8.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD < < <(( THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguat,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = .00 UPSTREAM ELEVATION. , = 1280.00_ DOWNSTREAM ELEVATION = 1190.0 CHANNEL LENGTH(FT) = 6000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 6147.14 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 4128.29 CHANNEL NORMAL VELOCITY FOR 0 = 4128.29 CFS = 31.23 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .948 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .986 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 4990.5 4973.3 15.167 5012.1 4998.6 15.250 5027.9 5018.0 15.333 5040.8 5032.7 15.417 5040.8 5040.7 15.500 5011.9 5029.6 15.583 4946.9 4987.0 15.667 4853.6 4911.3 15.750 4749.1 4814.0 15.833 4627.3 • 4702.9 15.917 4514.0 45B4.5 16.000 4461.9 4494.8 16.083 4566.3 4502.8 16.167 4837.1 4670.2 16.250 5203.3 4976.5 16.333 5537.3 5329.3 16.417 5764.1 5622.1 16.500 6021.3 5861.6 16.583 6147.1 6067.7 16.667 6020.4 6096.9 16.750 5775.5 5926.7 16.833 5576.7 5700.7 16.917 5447.1 5528.3 17.000 5413.3 5435.2 17.083 5384.8 5402.6 17.167 5358.2 5374.8 17.250 5296.0 5334.4 17.333 5238.2 5274.2 17.417 5179.3 5215.9 17.500 5101.0 5149.5 17.583 5001.9 5063.3 17.667 4903.5 4964.7 17.750 4809.3 4867.9 17.833 4735.4 4781.5 17.917 4685.6 4716.8 18.000 4650.1 4672.3 18.083 4621.7 4639.4 18.167 4594.4 4611.4 18.250 4568.1 4584.4 18.333 4541.0 4557.8 18.417 4512.9 4530.4 18.500 4481.9 4501.2 18.583 4449.3 4469.6 18.667 4418.9 4437.8 18.750 4394.3 4409.6 18.833 4375.3 4387.1 18.917 4360.9 4369.9 19.000 4349.4 4356.6 19.083 4339.8 4345.7 19.167 4331.7 4336.7 19.250 4325.1 4329.2 19.333 4319.6 4323.0 19.417 4314.6 4317.7 19.500 4309.9 4312.8 19.583 4305.5 4308.2 19.667 4301.3 4303.9 19.750 4297.5 4299.9 19.833 4294.1 4296.2 19.917 4291.0 4292.9 20.000 4288.0 4289.8 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .w FLOW PROCESS FROM NODE 8.00 TO NODE 8.00 IS CODE = 1 > > >> >UNIT- HYDROGRAPH ANALYSIS <<<<< (UNIT- HYDROGRAPH ADDED TO STREAM #1) y• WATERCOURSE "LAG" TIME = .276 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 30.209 WATERCOURSE LENGTH = 15800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 6200.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 150.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 1496.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED . MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .333 LOW LOSS FRACTION = .310 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .52 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.08 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.45 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.63 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 3.88 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 8.85 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.889 341.789 2 11.106 1667.571 4.1 3 29.451 3318.951 4 54.292 4494.285 75.560 3847.986 6 87.872 2227.521 7 94.162 1137.999 8 97.294 566.658 9 98.408 201.511 = 10 98.975 102.470 11 99.452 86.349 12 99.781 59.495 13 99.945 29.747 = 14 100.000 9.916 = TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 320.8665 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 730.2010 - ' A. ..- - _ .s .._ ... .r. ._._. -.. .,... -. -. ... .. _,. ... _.. .-.. _...,_ _. ..,_r -... ._.. ,. .r. r. 'r...:.. ,. ,�. -. .,: sk. w....•:::: t"<.: a:«.".-,.,:` r: Y�i' �: T-:::.+::. 9• i:,::. f' «: i�,^ .:.:v ",:..- :>re.:. "ts.`w:::..3, 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 15.083 407.5529 774.47 . . Q V . 15.167 412.8776 773.15 . . Q V . . 15.250 418.1917 771.60 Q V 15.333 423.4941 769.91 . . Q V . 15.417 428.7346 760.93 . Q V . 15.500 433.7233 724.35 . . Q. V . 15.583 438.2365 655.32 . . Q . V 15.667 442.1437 567.32 . Q V . 15.750 445.5958 501.25 . . Q V . 15.833 448.8869 477.86 . Q V . 15.917 452.2438 487.43 . . Q V . 16.000 455.9000 530.88 . Q . V . 16.083 460.4722 663.88 . . Q V . r- 16.167 467.0478 954.78 . . . Q . 16.250 475.7222 1259.51 . . . V Q . 16.333 485.4960 1419.17 . . . V Q . 16.417 494.1392 1254.98 . . . V Q . 16.500 500.7306 957.07 . . Q V . 16.583 506.1339 784.57 Q V . 16.667 511.2159 737.90 . . Q. V . . 16.750 516.2745 734.52 . Q. V . . 16.833 521.4673 753.99 . Q V . . 16.917 526.7778 771.08 . Q V . . 17.000 532.1353 777.91 . . Q V. . 17.083 537.4616 773.37 . Q V. . 17.167 542.6313 750.63 . Q V. 17.250 547.4928 705.89 . 0 . V. . 17.333 551.9280 644.00 . Q V . 17.417 555.9720 587.19 . 0 V • 17.500 559.7565 549.50 . Q V . 17.583 563.3744 525.33 . . Q V . 17.667 566.8781 508.74 . 0 . .V . 17.750 570.3034 497.36 . Q •V • 17.833 573.6630 487.82 . Q .V • 17.917 576.9619 479.00 . Q •V • 18.000 580.2057 471.00 . . 0 .V . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 4.00 TO NODE 7.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguet,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 18.00 CHANNEL Z = .00 UPSTREAM ELEVATION = 1380.00 _ ._. - - •__ _' ... _ _.. u ,..__ .., . _... .... ...- ♦ .- . _r- _ ... .. a u:b+ai -.:... . L _/ es ::iF,:......_a::.1.tiJ..au. ;.w' SL"..%�- :...a[. »n.z1.....sanY...ail. + LYS`.1 -,i. :. i.s.M DOWNSTREAM ELEVATION = 1280.00 CHANNEL LENGTH(FT) = 5450.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 3890.01 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 2935.94 CHANNEL NORMAL VELOCITY FOR Q = 2935.94 CFS = 31.67 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .949 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .990 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3546.3 3546.9 15.167 3544.6 3545.6 15.250 3542.7 3543.8 15.333 3540.7 3541.8 15.417 3534.7 3538.0 15.500 3515.6 3526.1 15.583 3389.4 3458.8 15.667 3160.1 3286.6 15.750 2944.8 3064.2 15.833 2814.9 2887.4 15.917 2742.8 2783.1 16.000 2721.8 2733.7 16.083 2850.9 2780.1 16.167 3278.7 3043.2 16.250 3788.1 3506.3 16.333 3890.0 3831.3 16.417 3867.0 3879.0 16.500 3705.2 3794.1 16.583 3582.0 3650.5 16.667 3535.4 3561.7 16.750 3526.3 3531.6 16.833 3525.4 3526.0 16.917 3538.2 3531.2 17.000 3548.4 3542.8 17.083 3550.0 3549.1 17.167 3535.6 3543.5 17.250 3516.1 3526.9 17.333 3476.5 3498.3 17.417 3364.2 3426.0 17.500 3281.8 3327.6 17.583 3217.0 3253.0 17.667 3156.0 3189.8 17.750 3092.5 3127.6 17.833 3032.1 3065.6 17.917 2984.2 3010.8 18.000 2948.0 2968.1 18.083 2913.1 2932.4 18.167 2867.5 2892.7 18.250 2800.1 2837.4 18.333 2707.6 2758.7 18.417 2612.6 2665.2 18.500 2532.5 2577.0 18.583 2458.8 2499.7 18.667 2383.5 2425.2 18.750 2304.9 2348.4 18.833 2234.4 2273.5 18.917 ... 21 .0 2209.8 19.000 2134.0 2159.0 4 19.083 2094.0 2116.2 4r 19.167 2057.7 2077.8 19.250 2023.8 2042.6 .,, 19.333 1991.7 2009.5 19.417 1961.4 1978.2 19.500 1933.5 1949.0 19.583 1907.7 1922.0 19.667 1883.2 1896.8 19.750 1859.9 1872.8 19.833 1837.9 1850.1 19.917 1816.8 1828.5 20.000 1795.9 1807.5 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .►► FLOW PROCESS FROM NODE 6.20 TO NODE 7.00 IS CODE = 1 ) > >> >UNIT - HYDROGRAPH ANALYSIS <<<<< (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .282 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 29.588 WATERCOURSE LENGTH = 10600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 5400.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 140.000 FEET BASIN FACTOR = .020 WATERSHED AREA = 799.000 ACRES ... BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .389 LOW LOSS FRACTION = .347 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .55 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.13 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.50 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.78 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 4.10 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 9.30 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.839 177.682 10.633 849.814 3 28.365 1713.402 4 52.419 2324.260 74.011 2086.471 6 86.880 1243.498 7 93.525 642.086 8 96.965 332.469 9 98.309 129.850 10 98.864 53.606 11 99.385 50.382 12 99.754 35.632 13 99.939 17.816 14 100.000 5.938 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 201.5299 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 388.3909 �� °m = == = =_ =__ = = == == == = = == = = = = = =_______ 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H _ -___ = =_ =_ =_= = HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 200.0 400.0 600.0 800.0 15.083 21 6.4227 418.03 . . Q V . 15.167 219 .2931 416.78 . . Q V . . __ 15.250 222. 1536 415.35 . 0 V . 15.333 225.0035 413.81 . . Q V . 15.417 227.8151 408.24 . . 0 V . 15.500 230.4872 387.99 . . Q. V . 15.583 232.8969 349.89 Q V . 15.667 234.9722 301.34 . . 0 V . 15.750 236.7806 262.57 0 V 15.833 238.4847 247.43 . 0 . V . 15.917 240.2170 251.53 . . Q V . 16.000 242.1048 274.10 Q V . 16.083 244.4806 344.97 . 0 V . 16.167 247.9266 500.36 . 0 • 16.250 252.5315 668.63 . V Q . 16.333 257.7621 759.48 . . . V . Q . 16.417 262.4957 687.33 . . V . Q . 16.500 266.1057 524.18 . . QV • 16.583 269.0247 423 :83 . .0 V . 16.667 271.7497 395.66 . Q. V . 16.750 274.4584 393.30 . Q. V . 16.833 277.2295 402.36 . . 0 V . . 16.917 280.0835 414.40 . Q V . 17.000 282.9741 419.71 . 0 V. . 17.083 285.8546 418.25 . 0 V. . 17.167 288.6543 406.51 . 0 V. . 17.250 291.2899 382.70 . Q. V. 17.333 293.6965 349.44 . 0 V . 17.417 295.8828 317.44 . 0 V . 17.500 297.9202 295.84 . 0 . V . 17.583 299.8628 282.06 . . 0 V . 17.667 301.7400 272.57 0 .V . 17.750 303.5726 266.10 . 0 .V . 17.833 305.3699 260.96 . . 0 . .V . 17.917 307.1340 256.14 . . Q .V . 18.000 308.8679 251.77 . . 0 .V . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *A FLOW PROCESS FROM NODE 7.00 TO NODE 8.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD<(((< = = =___ =-- --- =_= = ______ =___ THE MODIFIED C- ROUTING, COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 3 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 25.00 CHANNEL Z = .00 UPSTREAM ELEVATION =_ 1280.00 w. DOWNSTREAM ELEVATION = 1190.00 CHANNEL LENGTH(FT) = 6000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 4590.83 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 3338.60 CHANNEL NORMAL VELOCITY FOR Q = 3338.60 CFS = 29.12 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .945 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .981 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 3) (STREAM 3) (HRS) (CFS) (CFS) 15.083 3965.0 3966.3 15.167 3962.3 3964.1 15.250 3959.1 3961.3 15.333 3955.6 3957.9 15.417 3946.3 3952.4 15.500 3914.1 3935.3 15.583 3808.6 3878.2 15.667 3587.9 3734.0 15.750 3326.7 3500.8 15.833 3134.8 •3264.0 15.917 3034.6 3102.8 16.000 3007.8 3026.7 16.083 3125.1 3048.6 16.167 3543.6 3267.7 16.250 4174.9 3755.6 16.333 4590.8 4310.0 16.417 4566.4 4577.0 16.500 4318.3 4481.1 16.583 4074.3 4237.4 16.667 3957.3 4037.2 16.750 3924.9 3947.7 16.833 3928.3 3926.5 16.917 3945.6 3934.2 17.000 3962.5 3951.2 17.083 3967.3 3963.9 17.167 3950.0 3961.3 17.250 3909.6 3936.3 17.333 3847.8 3888.8 17.417 3743.5 3812.6 17.500 3623.5 3703.5 17.583 3535.1 3594.6 17.667 3462.4 3511.2 17.750 3393.7 3439.7 17.833 3326.5 3371.5 17.917 3266.9 3306.9 18.000 3219.9 3251.5 18.083 3179.7 3206.7 18.167 3133.5 3164.3 18.250 3069.0 3111.9 18.333 2979.2 3038.9 18.417 2875.4 2944.7 18.500 2779.9 2843.9 18.583 2697.5 2752.8 18.667 2619.1 2671.6 18.750 2539.2 2592.6 18.833 2461.6 2513.5 18.917 2395.2 2439.7 19.000 2342.1 2377.8 19.083 2297.0 2327.2 19.167 2256.4 2283.6 19.250 2219.1 2244.1 19.333 2184.1 2207.6 19.417 2150.9 2173.1 19.500 2119.9 2140.6 19.583 2091.2 2110.4 19.667 2064.2 2082.3 19.750 2038.7 2055.8 19.833 2014.4 2030.6 19.917 1991.2 2006.7 20.000 1968.7 1983.8 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 8.10 TO NODE 8.00 IS CODE = 1 > > >> >UNIT- HYDROGRAPH ANALYSIS <<<<< (UNIT- HYDROGRAPH ADDED TO STREAM #3) WATERCOURSE "LAG" TIME = .235 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 35.448 WATERCOURSE LENGTH = 8600.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 6100.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 105.000 FEET BASIN FACTOR = .017 WATERSHED AREA = 512.000 ACRES ,. BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .197 LOW LOSS FRACTION = .196 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .52 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.07 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.44 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.65 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 3.92 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 8.80 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 2.382 147.512 MN 15.406 806.441 3 39.770 1508.628 Aw 4 68.124 1755.654 5 85.719 1089.503 6 93.893 506.132 7 97.495 223.023 8 98.579 67.097 ~~ 9 99.239 40.895 10 99.696 28.269 11 99.924 14.135 12 100.000 4.711 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 68.9850 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 288.6856 ■ ~ Mir = taa = 4aa eala � = = ____======== == ===== === == = === === ===== = == = === 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 150.0 300.0 450.0 600.0 15.083 162.5338 312.95 . . Q V . 15.167 164.6828 312.05 . . Q V . 15.250 166.8254 311.09 . . Q V . . 15.333 168.9606 310.04 . . Q V . 15.417 171.0631 305.28 . . Q V . 15.500 173.0212 284.31 . . Q . V . 15.583 174.7240 247.25 . . Q V . 15.667 176.1514 207.26 . . Q V . 15.750 177.4447 187.79 . . Q V .- 15.833 178.7235 185.68 . . Q V 15.917 180.0598 194.03 . Q V . 16.000 181.5574 217.45 . . Q V 16.083 183.4889 280.46 . Q . V 16.167 186.3947 421.93 . V Q . 16.250 190.1430 544.24 . . V Q . 16.333 193.9962 559.49 . . . V Q . r 16.417 196.8990 421.48 . . VQ . . 16.500 199.0583 313.54 . . Q V . 16.583 200.9797 278.98 . Q . V . 16.667 202.9292 283.07 . . Q . V . . 16.750 204.9942 299.84 . . Q. V . . 16.833 207.1207 308.75 . . Q V . . 16.917 209.2711 312.24 . . Q V . . 17.000 211.4286 313.28 . . Q V. . 17.083 213.5789 312.22 . Q V. . 17.167 215.6502 300.75 . Q V. . 17.250 217.5559 276.70 . . Q . V . 17.333 219.2567 246.96 . . Q V . 17.417 220.8162 226.44 Q . V . 17.500 222.2947 214.67 . . Q V • 17.583 223.7227 207.35 . Q V 17.667 225.1185 202.67 . . Q .V . 17.750 226.4864 198.63 . . Q . .V . 17.833 227.8294 195.00 . . Q .V • 17.917 229.1503 191.79 . 0 .V • 18.000 230. 4514 188.92 . . 0 .v . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 8.00 TO NODE 8.00 IS CODE = 7 >> >) >STREAM NUMBER 3 ADDED TO STREAM NUMBER 1< < <<< = = =_= = - -=- = =__ =__ = == == ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE = 5 > > > > >MODEL CHANNEL ROUTING BY THE CONVEX METHOD <<< << THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguet,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 20.00 CHANNEL Z = 1.50 UPSTREAM ELEVATION = 1190.00 DOWNSTREAM ELEVATION = 1120.00 CHANNEL LENGTH(FT) = 5250.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 11875.55 AVERAGE FLOWRATE IN EXCESS OF 50% MAXIMUM INFLOW = 7747.80 CHANNEL NORMAL VELOCITY FOR Q = 7747.80 CFS = 34.97 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .954 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .995 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 10027.0 10012.6 15.167 10047.9 10037.8 15.250 10062.0 10055.2 15.333 10070.6 10066.4 15.417 10059.3 10064.7 15.500 9973.6 10014.7 15.583 9767.8 9866.7 15.667 9419.9 9587.3 15.750 9003.8 9204.3 15.833 8630.5 8810.6 15.917 8368.8 8495.2 16.000 8269.9 8318.0 16.083 8495.7 8387.6 16.167 9314.7 8921.3 16.250 10535.9 9948.1 16.333 11618.0 11095.9 16.417 11875.6 11749.4 16.500 11613.4 11738.5 16.583 11368.7 11486.7 16.667 11155.1 11258.1 16.750 10908.7 11027.4 16.833 10690.0 10795.5 16.917 10545.9 10615.5 17.000 10477.6 10510.7 17.083 10452.1 10464.5 17.167 10387.5 10418.5 17.250 10253.3 10317.8 17.333 10054.0 10149.9 17.417 9842.2 9944.3 17.500 9617.2 9725.6 17.583 9390.6 9499.8 17.667 9187.2 9285.3 17.750 9003.6 9092.2 17.833 8835.8 8916.7 17.917 8694.4 8762.7 18.000 8583.7 8637.2 18.083 8494.4 8537.5 18.167 8405.9 8448.6 18.250 8300.2 8351.1 18.333 8169.5 8232.5 18.417 8022.0 8093.1 18.5 00 7874.5 7945.6 18.583 7739.5 7804.6 18.667 7617.1 7676.1 18.750 7502.2 7557.6 18.833 7393.5 7445.9 18.917 7295.8 7342.9 19.000 00 7'2 14.3 7253.6 19.083 7147.0 7179.5 19.167 7088.8 7116.9 19.250 7036.5 7061.7 19.333 6988.7 7011.7 19.417 6944.0 6965.5 19.50 0 6901.9 6922.2 19.583 6862.5 6881.5 19.667 6825.7 6843.5 .� 19.750 6790.9 6807.7 19.833 6758.0 6773.9 19.917 6726.9 6741.9 20.000 6697.0 6711.4 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 9.00 TO NODE 9.00 IS CODE = 1 >> > > >UNIT- HYDROGRAPH ANALYSIS((((( (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .511 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 16.297 WATERCOURSE LENGTH = 33800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 14100.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 295.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 4038.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S- GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .295 LOW LOSS FRACTION = .283 *HYDROGRAPH MODEL *1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .54 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.10 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.47 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.52 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 3.81 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 8.60 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 At. 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 .931 454.766 2 3.268 1141,318 3 8.579 2593.631 4 17.376 4295.996 5 27.753 5067.485 6 40.177 6066.894 7 54.712 7098.485 8 67.254 6124.685 9 77.293 4902.290 10 84.430 3485.696 11 89.345 2400.159 12 92.777 1675.622 13 95.256 1210.991 14 96.824 765.536 15 97.939 544.303 16 98.330 191.121 17 98.636 149.244 18 98.941 149.158 19 99.247 149.303 20 99.552 149.158 21 99.858 149.158 2� 100.000 69.560 TOTAL SOIL -LOSS VOLUME(ACRE -FEET) = 766.8989 TOTAL STORM RUNOFF VOLUME(ACRE -FEET) = 1989.9590 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) i,(CFS) 0. 775.0 1550.0 2325.0 3100.0 15.083 1 067. 1140 1991.82 . . V Q - 15.167 1080.9060 2002.58 . .V Q . 15.250 1 094. 7580 2011.23 . . . V 0 . 15.333 1108. 6450 2016.50 . . V 0 .., 15.417 1122.5050 2012.38 . . V Q . 15.500 1136.2440 1995.00 . V 0 . 15.583 1149.6760 1950.26 . . V 0 . 15.667 1162.5900 1875.08 . . VO • • • • ' 15.750 1174.9270 1791.44 . 0 • - • 15.833 1 186. 6120 1696.63 . . 0 V . 15.917 1197.6040 1595.97 . i, V . - 16.000 1208.2260 1542.35 . 0. V • • 16.083 1219.3670 1617.72 . 0 V . 16.167 1231.6950 1789.99 . . QV . 16.250 1246.2270 2110.04 . V G 16.333 1 263.1640 2459.27 . . V .0 . 16.417 1281.4430 2654.10 . V 0 16.500 1301.1280 2857.94 . . V . 0 . 16.583 1321.9220 3019.69 . V 0 . 16.667 1341.5440 2849.08 . . V . 0 . 16.750 1359.6260 2625.54 . . V . Q . 16.833 1376.1010 2392.10 . V Q e , 16.917 1391.6090 2251.75 . V G. 17.000 1406. 5770 2173.32 . . Q . . 17.083 1421. 2250 2126.90 . . QV . - `°" 17.167 1435.4530 2065.97 . . 0 V - 17.250 1449. 3380 2016.12 . . 0 V. . 17.333 1462.6040 1926.24 . . Q V. . .. 17.417 1475.5210 1875.50 . . . 0 V. 17.5r �0 1488.0250 1815.53 . . 0 V. . 17.583 1500.0140 1740.85 . . . 0 V . 17.667 1511.4850 1665.55 . . .0 V - 17.750 1522.4860 1597.45 . . 0 V • 17.833 1533.0200 1529.44 . Q. V - 17.917 1543.1780 1474.97 . . Q. •V . 18.000 1553. 0960 1440.08 . . 0 . .V ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 9.00 TO NODE 11.00 IS CODE = 5 )))))MODEL CHANNEL ROUTING BY THE CONVEX METHOD(<<(< ON THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE . INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, August,1972, me U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 28.00 CHANNEL Z = 1.50 UPSTREAM ELEVATION = 1120.00 , ' ..Lt- ... .y..'•..`.:._. :.".':,` -... - -.'_:. � ...� '._... r... .Y. ... -.. �. ._ -� . DOWNSTREAM ELEVATION = 1000u00 CHANNEL LENGTH(FT) = 9000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 14596.47 AVERAGE FLOWRATE IN EXCESS OF 507. MAXIMUM INFLOW = 9930.77 CHANNEL NORMAL VELOCITY FOR Q = 9930.77 CFS = 36.37 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .955 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .974 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 12004.4 11962.5 15.167 12040.4 12010.8 15.250 12066.4 12045.0 15.333 12082.9 12069.3 15.417 12077.1 12081.4 15.500 12009.7 12063.3 15.583 11817.0 11971.3 15.667 11462.4 11747.7 15.750 10995.7 11373.3 15.833 10507.2 10904.5 15.917 10091.2 10431.5 16.000 9860.5 10052.2 16.083 10005.3 9895.2 16.167 10711.3 10148.3 16.250 12058.1 10975.0 16.333 13555.2 12339.6 16.417 14403.5 13699.3 16.500 14596.5 14425.4 16.583 14506.4 14573.5 16.667 14107.2 14425.6 16.750 13653.0 14021.5 16.833 13187.6 13566.3 16.917 12867.3 13131.1 17.000 12684.0 12836.2 17.083 12591.4 12668.8 17.167 12484.5 12571.3 17.250 12333.9 12455.6 17.333 12076.2 12283.8 17.417 11819.7 12028.5 17.500 11541.1 11767.5 17.583 11240.7 11484.9 17.667 10950.9 11187.1 17.750 10689.6 10903.0 17.833 10446.2 10644.8 17.917 10237.6 10408.2 18.000 10077.3 10208.9 18.083 9946.5 10053.6 18.167 9827.0 9924.6 18.250 9693.5 9801.9 18.333 9534.7 9663.5 18.417 9352.4 9500.3 18.500 9157.7 9316.0 18.583 8964.8 9121.9 18.667 8789.6 8932.7 18.750 8630.6 8760.4 18.833 8486.5 8604.1 18.917 8357.6 8462.9 19.000 8246.5 8337.3 ° 19.083 8153.4 8229.6 19.167 8074.5 8139.0 19.250 8004.6 8061.7 .441 19.333 7942.2 7993.2 19.417 7884.2 7931.5 19.500 7829.5 7874.1 19.583 7777.9 7820.0 19.667 7729.4 7769.0 19.750 7683.5 7720.9 19.833 7640.2 7675.5 19.917 7599.5 7632.7 20.000 7560.5 7592.3 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS CODE = 1 > > >> >UNIT- HYDROGRAPH ANALYSIS <<(<< (UNIT - HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .306 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 27.207 WATERCOURSE LENGTH = 16800.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8600.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 200.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 867.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .107 LOW LOSS FRACTION = .136 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .50 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = 1.03 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.36 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.42 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 3.59 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 7.20 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 „. 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.658 173.839 8.868 755.993 3 24.331 1621.386 =° 4 45.253 2193.654 ~ 5 67.219 2303.234 6 82.232 1574.143 7 90.577 874.982 8 95.236 488.538 9 97.600 247.848 10 98.440 8E1.090 11 98.950 53.480 12 99.416 48.897 13 99.767 36.719 = 14 99.942 18.359 15 100.000 6.120 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 65.8506 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 429.6779 = = _ _______________________===== m'=== ===== == == == = == === == = == = == ==____ 2 4 - H O U R S T O R M RUNOFF H Y D R O G R A P H = =_ =_= =_ =_ === = ===_ = =__ =_ =_ = =_ =- ==-==== HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 225.0 450.0 675.0 900.0 15.083 232.9390 512.27 . .V0 15.167 236.4666 512.19 . . Q 15.250 239.9921 511.91 . . Q '-- 15.333 243.5150 511.52 . . Q 15.417 247.0049 506.74 . . Q • 15.500 250.3631 487.60 . .0 V . 15.583 253.4486 448.01 . Q. V 15.667 256.1841 397.19 . Q V 15.750 258.5845 348.54 . Q . V 15.833 260.8177 324.25 . . 0 . V . 15.917 263.0604 325.64 . . Q . V . 16.000 265.4760 350.75 . . 0 . V . 16.083 268.4175 427.10 . Q . V • 16.167 272.3916 577.04 . . Q . 16.250 277.5813 753.54 . . V Q . 16.333 283.4142 846.94 . V . Q . r° 16.417 289.1182 828.22 . V Q . 16.500 293.7786 676.69 . . V 0 . 16.583 297.5891 553.27 . . . Q V . 16.667 301.0609 504.11 . . Q. V . r 16.750 304.4736 495.53 . . . Q V . . 16.833 307.8846 495.28 . . Q V . . 16.917 311.3613 504.91 . . . Q V . • .-- 17.000 314.8948 513.07 . . . Q V. . 17.083 318.4293 513.21 . . . Q V. . 17.167 321.8772 500.63 . • . . 0 V. . 17.250 325.1525 475.57 . . .0 V . 17.333 328.1989 442.33 . . Q. V . 17.417 331.0008 406.84 . Q . V . 17.500 333.6175 379.94 . . 0 . .V . 17.583 336. 1104 361.98 . . Q .V • 17.667 338.5153 349.18 . Q .V . 17.750 340.8562 339.91 . . Q . .V • 17.833 343.1507 333.16 . . Q . .V . 17.917 345.4044 327.23 . . 0 . . V • 18.000 347.6198 321.69 . . Q . . V ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 11.00 TO NODE 11.00 IS CODE = 1 > > >> )UNIT - HYDROGRAPH ANALYSIS <( <<< ________ _______________________________ = ______ (UNIT- HYDROGRAPH ADDED TO STREAM #1) WATERCOURSE "LAG" TIME = .503 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 16.560 WATERCOURSE LENGTH = 33700.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 12500.000 FEET ELEVATION VARIATION ALONG WATERCOURSE _ 250 FEET BASIN FACTOR = .015 WATERSHED AREA = 5403.000 ACRES BASEFLOW = .000 CFS/SQUARE-MILE VALLEY(DEVELOPED) S-GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = .228 LOW LOSS FRACTION = .238 *HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= .52 SPECIFIED PEAK 30-MINUTES RAINFALL(INCH) = 1.06 SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.41 SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.57 SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 3.62 ~= SPECIFIED PEAK 24-HOUR RAINFALL(INCH)= 7.73 *USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS: 5-MINUTE FACTOR = .425 30-MINUTE FACTOR = .465 1-HOUR FACTOR = .491 3-HOUR FACTOR = .837 6-HOUR FACTOR = .928 24-HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 .946 618.316 2 3.353 1572.544 3 8.885 3614.972 4 17.939 5915.8()5 ' 5 28.590 6960.04{) 6 41.443 8397.950 7 56.108 9582.702 8 68.608 8168.165 9 78.430 6417.499 10 85.339 4514.473 11 89.977 3030.776 12 93.321 2184.971 13 95.633 1510.896 14 97.102 960.072 15 98.078 637.313 16 98.406 214.754 17 98.717 202.839 18 99.028 202.999 19 99.338 202.839 40 20 99.648 202.839 21 99.959 202.839 ~� 22 100.000 26.925 w. TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 774.2150 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 2541.3240 ' w. ..a...w .r. o,.., -wr. .... , . i...:.- m..'". 4.. v, i.: w... w' w. ...::- ... . 1.: 4... wSr. ia� .i...- =an.tiww++vw•a'��.m..w. v.''tiv.arYw.iaa':.r4rsa.a .n :LS •ruwszw w.. _.. "Ji. :'i,a ix.F.i✓'.i...wtrJ.a 2 4 - H O U R S T O R M R U N O F F H Y D R O G R A P H = = =- =__= -= =__ HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 1025.0 2050.0 3075.0 4100.0 15.083 1329.3410 2987.55 . . V Q. . 15.167 1350.0030 3000.09 . . .V Q. . 15.250 1370.7060 3006.18 . . .V Q. . 15.333 1391.3960 3004.13 . . .V Q. 15.417 1411.9670 2986.91 . . . V Q. . 15.500 1432.2680 2947.63 . . . V Q . . '-- 15.583 1451.9850 2862.98 . . . V Q . 15.667 1470.7890 2730.35 . . . V Q . 15.750 1488.5880 2584.37 . . . V Q . --- 15.833 1505.2340 2417.09 . . . Q . 15.917 1520.7040 2246.17 . . .Q V . 16.000 1535.5110 2150.04 . . Q V . 16.083 1550.9250 2238.08 . . .12 V . . r- 16.167 1567.9270 2468.67 . . . Q . 16.250 1587.9530 2907.72 . . . V Q . . 16.333 1611.1650 3370.35 . . V . Q . r 16.417 1636.1670 3630.37 . . . V . Q . 16.500 1663.0940 3909.86 . . V 0 . 16.583 1691.2780 4092.30 . . . V Q. 16.667 1717.8750 3861.91 . . . V Q . 16.750 1742.4540 3568.77 . . . V . Q . 16.833 1765.1400 3294.05 . . . V . Q . 16.917 1786.8130 3146.91 . . . V Q . r' 17.000 1808.1760 3101.96 . . . V Q . 17.083 1829.2670 3062.37 . . . VQ. . 17.167 1849.9780 3007.19 . . . Q. . 17.250 1870.1670 2931.49 . . . QV. . 17.333 1889.4120 2794.32 . . . Q V. . 17.417 1907.9490 2691.62 . . . Q V . 17.500 1925.5270 2552.26 . . . Q V . 17.583 1941.9140 2379.47 . . . Q V . 17.667 1957.1570 2213.21 . . .Q V . 17.750 1971.4070 2069.15 . . 0 .V . 17.833 1984.7010 1930.32 . 0 . .V . 17.917 1997.3840 1841.48 . . Q .V • 18.000 2009.5970 1773.44 . . Q .V • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 11.00 TO NODE 12.00 IS CODE = 5 ))) ?)MODEL CHANNEL ROUTING BY THE CONVEX METHOD((((( = = = = =_ =__ = = =__ = = =_ = =___ == = THE MODIFIED C- ROUTING COEFFICIENT IS ESTIMATED IN ORDER TO ROUTE THE STREAM 1 INFLOW HYDROGRAPH BY 5- MINUTE INTERVALS(Reference: the National Engineering Handbook, Hydrology, Chapter 17, page 17 -52, Auguet,1972, U.S. Department of Commerce). ASSUMED REGULAR CHANNEL INFORMATION: BASEWIDTH(FT) = 30.00 CHANNEL Z = 1.50 UPSTREAM ELEVATION = 1000.00 :. : ,.:. - . .... - .,k.:.....- .,,.�...z:.. -k,_.. won..«. w•....,...,.. .. t,.n...>..w..».07..� DOWNSTREAM ELEVATION = 920.00 CHANNEL LENGTH(FT) = 7000.00 MANNINGS FACTOR = .014 CHANNEL ROUTING COEFFICIENT ESTIMATED: MAXIMUM INFLOW(CFS) = 19219.05 AVERAGE FLOWRATE IN EXCESS OF 507 MAXIMUM INFLOW = 13255.19 CHANNEL NORMAL VELOCITY FOR Q = 13255.19 CFS = 37.13 FPS ESTIMATED CHANNEL ROUTING COEFFICIENT = .956 MODIFIED CHANNEL ROUTING COEFFICIENT FOR 5- MINUTE UNIT INTERVALS IS CSTAR = .989 CONVEX METHOD CHANNEL ROUTING RESULTS: MODEL INFLOW OUTFLOW TIME (STREAM 1) (STREAM 1) (HRS) (CFS) (CFS) 15.083 15462.3 15403.2 15.167 15523.0 15485.6 15.250 15563.1 15538.4 15.333 15584.9 15571.4 15.417 15575.0 15580.9 15.500 15498.5 15544.9 t - 15.583 15282.3 15413.7 15.667 14875.2 15123.0 15.750 14306.2 14653.3 r . 15.833 13645.8 14049.3 15.917 13003.3 13396.6 16.000 12553.4 12829.8 16.083 12560.4 12558.9 . 16.167 13194.0 12810.5 16.250 14636.3 13759.1 16.333 16556.9 15384.8 r --- 16.417 18157.9 17176.0 16.500 19011.9 18484.2 16.583 19219.1 19087.9 16.667 18791.7 19048.9 16.750 18085.8 18515.9 16.833 17355.6 17802.3 16.917 16782.9 17134.4 17.000 16451.2 16655.8 17.083 16244.3 16371.8 17.167 16079.1 16180.5 _ 17.250 15862.7 15994.8 17.333 15520.5 15729.1 17.417 15127.0 15367.4 17.500 14699.8 14961.0 17.583 14226.3 14515.7 17.667 13749.5 14041.3 17.750 13312.0 13580.0 17.833 12908.3 13155.6 17.917 12576.9 12780.2 18.000 12304.0 12471.4 18.083 12086.3 12219.9 18.167 11895.3 12012.3 18.250 11705.1 11821.5 18.333 11497.5 11624.5 18.417 11263.2 11406.4 18.500 11010.9 11165.2 18.583 10752.4 10910.5 18.667 10506.7 10657.2 18.750 10285.8 10421.2 18.833 10091.6 10210.7 18.917_ 9918.4 10024.5 19.000 9764.3 9858.7 19.083 9631.0 9712.7 19.167 9517.5 9587.1 19.250 9419.2 9479.5 19.333 9331.7 9385.3 19.417 9251.9 9300.8 19.500 9177.0 9222.9 19.583 9106.2 9149.6 19.667 9039.1 9080.2 19.750 8975.6 9014.5 19.833 8915.7 8952.4 19.917 8859.1 8893.8 20.000 8805.3 8838.3 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 IS CODE = 1 > > > > >UNIT- HYDROGRAPH ANALYSIS((((( (UNIT- HYDROGRAPH ADDED TO STREAM #1) *** WATERCOURSE "LAG" TIME = .303 HOURS UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES UNIT INTERVAL PERCENTAGE OF LAG -TIME = 27.486 WATERCOURSE LENGTH = 14400.000 FEET LENGTH FROM CONCENTRATION POINT TO CENTROID = 8000.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 115.000 FEET BASIN FACTOR = .015 WATERSHED AREA = 1661.000 ACRES BASEFLOW = .000 CFS /SQUARE -MILE VALLEY(DEVELOPED) S -GRAPH SELECTED MAXIMUM WATERSHED LOSS RATE(INCH /HOUR) = .191 LOW LOSS FRACTION = .234 * HYDROGRAPH MODEL #1 SPECIFIED* SPECIFIED PEAK 5- MINUTES RAINFALL(INCH)= .48 SPECIFIED PEAK 30- MINUTES RAINFALL(INCH) = .97 SPECIFIED PEAK 1 -HOUR RAINFALL(INCH) = 1.28 SPECIFIED PEAK 3 -HOUR RAINFALL(INCH) = 2.28 SPECIFIED PEAK 6 -HOUR RAINFALL(INCH) = 3.30 SPECIFIED PEAK 24 -HOUR RAINFALL(INCH)= 6.00 *USER SPECIFIED PRECIPITATION DEPTH -AREA REDUCTION FACTORS: 5- MINUTE FACTOR = .425 30- MINUTE FACTOR = .465 1 -HOUR FACTOR = .491 3 -HOUR FACTOR = .837 6 -HOUR FACTOR = .928 24 -HOUR FACTOR = .953 RUNOFF HYDROGRAPH LISTING LIMITS: MODEL TIME(HOURS) FOR BEGINNING, OF RESULTS = 15.00 MODEL TIME(HOURS) FOR END OF RESULTS = 18.00 UNIT HYDROGRAPH DETERMINATION INTERVAL "S" GRAPH UNIT HYDROGRAPH NUMBER MEAN VALUES ORDINATES(CFS) 1 1.679 ' 337.230 � 2 9.070 1484.712 3 24.797 3159.264 4 46.086 4276.449 ~ 5 68.094 4420.948 6 82.843 2962.566 7 90.967 1632.123 8 95.476 905.756 9 97.726 451.940 10 98.490 153.355 11 99.005 103.524 12 99.520 103.524 13 100.000 96.328 TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 180.6263 TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 610.5245 � - ' - . °= 2 4 - H D U R S T O R M . RUNOFF HYDROGRAPH ~= HYDROGRAPH IN FIVE-MINUTE INTERVALS(CFS) ~° TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 15.083 320. 3012 820.73 . . \/Q . . ~~ 15.167 325. 9495 820.13 . . .Q . . 15.250 331.5933 819.48 . . .�� . . ~~ 15.333 337.2323 818.79 . . .��V . . = 15.417 342.8175 810.97 . . .Q� . . 15.500 348.1856 779.44 . . Q V . . - 15.583 353. 1085 714.80 . . Q. V . ~ 15.667 357.4597 631.80 . . 0 . V . . ~~ 15.750 361.2722 553.57 . . 0 . V . . 15.833 364.8201 515.15 . . Q . V . . ~ 15.917 368.3791 516.76 . . 0 . V . . ~~ 16.000 372.2065 555.74 . . 0 . V . . 16.083 376.9153 683.72 . . 0 . V . . ~^ • 16.167 383. 4471 948.43 . . . 0 . • 16.250 392.1461 1263.09 . . . V . 0 . ~ 16.333 402.0185 1433.47 . . . V . 0 . _ 16.417 411.6346 1396.27 . . . V . 0 . 16.500 419.3584 1121.48 . • . V Q. . ~~ 16.583 425.5858 904.22 . . . Q V . • 16.667 431.2180 817.80 . . .Q V . ~ ~ 16.750 436.7205 798.95 . . .0 V . . = 16.833 442.1937 794.71 . . .0 V . . 16.917 447.7826 811.52 . . .0 V. . ~~ 17.000 453. 4684 825.57 . . . Q V. . 17.083 459.1557 825.81 . . . Q V . ~= 17.167 464. 6197 793.37 . . .0 V . 17.250 469.7928 751.14 . . 0 V . ~~ 17.333 474. 5616 692.43 . . Q . .V . "� 17.417 478. 8954 629.27 . . 0 . .V . 17.500 482.8987 581.27 . . Q . .V . ~- 17.583 486. 6850 549.77 . . Q . .V . 17.667 490.3193 527.71 . . Q . . V . = 17.750 493.8449 511.91 . . Q . . V . 17.833 497.2924 500.57 . . 0 . . V . ~^ 17.917 500. 6704 490.49 . . 0 . . V . m 18.000 503. 9827 480.94 . . 0 . . V . . **************************************************************************** . FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 IS CODE = 2 . > > > > >FLOWBY STRUCTURE ROUTING MODEL ( ( < < < m . m MODEL STREAM NUMBER 1 FLOWING PAST A FLOWBY STRUCTURE: FLOWRATES IN STREAM # 1 WHICH ARE GREATER THAN . 11600.0 CFS ARE ASSUMED TO BE EXCESS FLOWS. FLOW EXCESS IS ASSUMED TO BE ADDED TO STREAM NUMBER 4 m ~ INFLOW INFLOW ~~ (STREAM 4) (STREAM 1) flow excess 1( * ( =flowby structure 1 (flowby Q = 11600.0 cfs) 1 V V STREAM 4 STREAM 1 + FLOW EXCESS FLOWBY FLOWBY BASIN MODELING RESULTS: MODEL INFLOW INFLOW OUTFLOW FLOWBY TIME (STREAM 4) (STREAM 1) (STREAM 4) (STREAM 1) (HRS) (CFS) (CFS) (CFS) (CFS) 13.083 .0 10695.8 .0 10695.8 13.167 .0 10813.0 .0 10813.0 13.250 .0 10916.9 .0 10916.9 13.333 .0 11011.3 .0 11011.3 13.417 .0 11100.2 .0 11100.2 13.500 .0 11186.5 .0 11186.5 r ' 13.583 .0 11272.5 .0 11272.5 13.667 .0 11359.2 .0 11359.2 13.750 .0 11447.3 .0 11447.3 13.833 .0 11536.8 .0 11536.8 13.917 .0 11627.6 27.6 11600.0 14.000 .0 11719.8 119.8 11600.0 14.083 .0 11824.3 224.3 11600.0 14.167 .0 11971.4 371.4 11600.0 14.250 .0 12204.7 604.7 11600.0 14.333 .0 12563.4 963.4 11600.0 14.417 .0 13048.3 1448.3 11600.0 14,500 .0 13607.9 2007.9 11600.0 14.583 .0 14197.1 2597.1 11600.0 14.667 .0 14759.7 3159.7 11600.0 14.750 .0 15238.1 3638.1 11600.0 14.833 .0 15614.5 4014.5 11600.0 14.917 .0 15894.9 4294.9 11600.0 15.000 .0 16092.7 4492.7 11600.0 15.083 .0 16223.9 4623.9 11600.0 15.167 .0 16305.8 4705.8 11600.0 15.250 .0 16357.9 4757.9 11600.0 15.333 .0 16390.2 4790.2 11600.0 15.417 .0 16391.8 4791.8 11600.0 4 '2, Al a 15.500 .0 16324.3 4724.3 11600.0 t�v R 15.583 .0 16128.5 4528.5 11600.0 ' 15.667 .0 15754.8 4154.8 11600.0 /r ' It! 0 15.750 .0 15206.9 3606.9 11600.0 15.833 .0 14564.5 2964.5 11600.0 15.917 '.0 13913.4 2313.4 11600.0 16.000 .0 13385.6 1785.6 11600.0 16.083 .0 13242.7 1642.7 11600.0 16.167 .0 13758.9 2158.9 11600.0 16.250 .0 15022.2 3422.2 11600.0 16.333 .0 16818.2 5218.2 11600.0 16.417 .0 18572.3 6972.3 11600.0 16.500 .0 19605.7 8005.7 11600.0 16.583 .0 19992.1 8392.1 11600.0 16.667 .0 19866.7 8266.7 11600.0 16.750 .0 19314.8 7714.8 11600.0 16.833 .0 18597.0 6997.0 11600.0 16.917 .0 17946.0 6346.0 11600.0 - _ - 17.000 .0 17481.4 L 5881.4 11600.0 17.083 .0 17197.6 5597.6 11600.0 17.167 .0 16973.9 5373.9 11600.0 17.250 .0 16745.9 5145.9 11600.0 17.333 .0 16421.5 4821.5 11600.0 17.417 .0 15996.7 4396.7 11600.0 17.500 .0 15542.2 3942.2 11600.0 17.583 .0 15065.5 3465.5 11600.0 17.667 .0 14569.0 2969.0 11600.0 17.750 .0 14091.9 2491.9 11600.0 17.833 .0 13656.2 2056.2 11600.0 17.917 .0 13270.7 1670.7 11600.0 18.000 .0 12952.4 1352.4 11600.0 18.083 .0 12689.3 1089.3 11600.0 18.167 .0 12463.3 863.3 11600.0 18.250 .0 12241.7 641.7 11600.0 18.333 .0 12005.7 405.7 11600.0 18.417 .0 11747.8 147.8 11600.0 18.500 .0 11478.0 .0 11478.0 18.583 .0 11205.1 • .0 11205.1 18.667 • .0 10939.2 .0 10939.2 18.750 .0 10694.4 .0 10694.4 18.833 .0 10477.6 .0 10477.6 18.917 .0 10285.9 .0 10285.9 19.000 .0 10114.6 .0 10114.6 r - 19.083 .0 9963.5 .0 9963.5 19.167 .0 9833.7 .0 9833.7 19.250 .0 9722.1 .0 9722.1 r 19.333 .0 9624.1 .0 9624.1 19.417 .0 9535.9 .0 9535.9 19.500 . 9454.5 .0 9454.5 19.583 .0 9377.9 .0 9377.9 r- 19.667 .0 9305.3 .0 9305.3 19.750 .0 9236.4 .0 9236.4 19.833 .0 9171.3 .0 9171.3 19.917 .0 9109.9 .0 9109.9 20.000 .0 9051.6 .0 9051.6 20.083 .0 8996.0 .0 8996.0 20.167 .0 8942.5 .0 8942.5 20.250 .0 8890.6 .0 8890.6 20.333 .0 8840.2 .0 8840.2 20.417 .0 8791.4 .0 8791.4 20.500 .0 8744.6 .0 8744.6 20.583 .0 8699.9 .0 8699.9 20.667 .0 8656.9 .0 8656.9 20.750 .0 8615.3 .0 8615.3 20.833 .0 8574.9 .0 8574.9 20.917 .0 8535.7 .0 8535.7 21.000 .0 8497.8 .0 8497.8 21.083 .0 8461.2 .0 8461.2 21.167 .0 8425.6 .0 8425.6 , 21.250 .0 8390.9 .0 8390.9 21.333 .0 8356.9 .0 8356.9 21.417 •.0 8323.2 .0 8323.2 21.500 .0 8289.9 .0 8289.9 21.583 .0 8257.3 .0 8257.3 21.667 .0 8225.6 .0 8225.6 21.750 .0 8195.0 .0 8195.0 21.833 .0 8165.2 .0 8165.2 21.917 .0 8136.0 .0 8136.0 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 IS CODE = 3 • > > > > >MOLIEL_ FLOW - THROUGH_ DETENTION, BASIN ROUTING< < < < < , • y =====_________ ___ === = == = = ===__==_______= == = === =sa=ns==== = == = == =cas = = = = = ==acs ROUTE RUNOFF HYDROGRAPH FROM STREAM NUMBER 4 t Pu PA 8ASI THROUGH A FLOW - THROUGH DETENTION BASIN USING FIVE - MINUTE UNIT INTERVALS: SPECIFIED BASIN CONDITIONS ARE AS FOLLOWS: DEAD STORAGE(AF) = .000 SPECIFIED DEAD STORAGE(AF) FILLED = .000 SPECIFIED EFFECTIVE VOLUME(AF) FILLED ABOVE OUTLET = .000 BASIN DEPTH VERSUS OUTFLOW AND STORAGE INFORMATION: INTERVAL DEPTH OUTFLOW STORAGE NUMBER (FT) (CFS) (AF) 1 .00 .00 .000 2 2.00 43.00 2.180 3 5.00 209.19 30.410 4 8.00 337.00 98.150 5 11.00 366.00 210.000 6 13.00 384.00 309.000 7 15.00 401.00 415.000 8 17.00 417.00 524.000 9 19.00 433.00 635.000 10 21.00 448.00 748.000 11 23.00 463.00 862.000 12 25.00 477.00 977.000 13 27.00 491.00 1093.000 14 29.00 505.00 1211.000 15 31.00 938.00 1330.000 INFLOW (STREAM 4) V effective depth 0 (and volume) t $ V 0 detention 1< - - >1 outflow basin 1 1 1 storage 1 basin outlet V OUTFLOW (STREAM 4) - =__ = == _ = = == =a = = = ==_ =__= = =_ BASIN ROUTING MODEL RESULTS(5- MINUTE INTERVALS): TIME DEAD - STORAGE INFLOW EFFECTIVE OUTFLOW EFFECTIVE (HRS) FILLED(AF) (CFS) DEPTH(FT) (CFS) VOLUME(AF) 14.083 .000 224.3 2.01 30.9 2.260 14.167 .000 371.4 2.24 50.0 4.474 14.250 .000 604.7 2.64 67.4 8.175 14.333 .000 963.4 3.27 95.9 14.150 14.417 .000 1448.3 4.23 140.0 23.160 14.500 .000 2007.9 5.23 192.8 35.661 14.583 .000 2597.1 5.95 234.4 51.932 14.667 ...O003159.7 ... , 6.83 268..6 _ _� 7 14.750 .000 3638.1 7.85 309.0 94.772 "" 14.833 .000 4014.5 8.59 336.7 120.102 14.917 .000 4294.9 9.32 346.2 147.296 15.000 .000 4492.7 10.08 353.4 175.803 15.083 .000 4623.9 10.87 360.9 205.163 15.167 .000 4705.8 11.51 367.6 235.040 15.250 .000 4757.9 12.12 373.3 265.237 15.333 .000 4790.2 12.73 378.8 295.618 15.417 .000 4791.8 13.32 384.1 325.974 15.500 .000 4724.3 13.88 389.1 355.831 15.583 .000 4528.5 14.42 393.8 384.307 15.667 .000 4154.8 14.91 398.2 410.180 15.750 .000 3606.9 15.32 401.9 432.253 15.833 .000 2964.5 15.64 404.8 449.881 15.917 .000 2313.4 15.88 407.1 463.010 16.000 .000 1785.6 16.05 408.7 472.492 16.083 .000 1642.7 16.21 410.1 480.981 16.167 .000 2158.9 16.43 411.6 493.015 16.250 .000 3422.2 16.81 414.0 513.733 16.333 .000 5218.2 17.41 417.9 546.793 16.417 .000 6972.3 18.22 423.5 591.894 16.500 .000 8005.7 19.16 430.5 644.065 16.583 .000 8392.1 20.13 437.8 698.847 - 16.667 .000 8266.7 21.08 445.0 752.715 16.750 .000 7714.8 21.96 451.9 802.735 .' 16.833 .000 6997.0 22.75 458.2 847.769 16.917 .000 6346.0 23.46 463.7 888.280 17.000 .000 5881.4 24.11 468.5 925.559 17.083 .000 5597.6 24.72 472.9 960.853 17.167 .000 5373.9 25.30 477.1 994.578 17.250 .000 5145.9 25.86 481.1 1026.705 17.333 .000 4821.5 26.37 484.8 1056.572 17.417 .000 4396.7 26.84 488.2 1083.490 .. 17.500 .000 3942.2 27.24 491.3 1107.257 17.583 .000 3465.5 27.59 493.9 1127.722 17.667 .000 2969.0 27.88 496.1 1144.753 17.750 .000 2491.9 28.11 498.0 1158.485 ' 17.833 .000 2056.2 28.29 499.4 1169.207 17.917 .000 1670.7 28.43 500.5 1177.266 18.000 .000 1352.4 28.53 501.3 1183.126 18. 083 .000 1089.3 28.60 501.9 1187.172 18.167 .000 863.3 28.64 502.3 1189.6 57 18.250 .000 641.7 28.65 502.5 1190.616 18.333 .000 405.7 28.64 502.5 1189.948 18.417 .000 147.8 28.60 502.4 1187.507 , 18.500 .000 .0 28.54 502.0 1184.049 18.583 .000 .0 28.48 501.6 1180.595 18.667 .000 .0 28.43 501.2 1177.143 18.750 .000 .0 28.37 500.8 1173.694 18.833 .000 .0 28.31 500.4 1170.248 18.917 .000 .0 28.25 500.0 1166.805 19.000 .000 .0 28.19 499.6 1163.364 19.083 .000 .0 28.13 499.1 1159.927 19.167 .000 .0 28.08 498.7 1156.492 °" 19.250 .000 .0 28.02 498.3 1153.060 19.333 .000 .0 27.96 497.9 1149.630 19.417 .000 .0 27.90 497.5 1146.204 19.500 .000 .0 27.84 497.1 1142.780 19.583 .000 .0 27.79 496.7 1139.359 Ae 19.667 .000 .0 27.73 496.3 1135.941 19.750 .000 .0 27.67 495.9 1132.526 19.833 .000 .0 27.61 495.5 1129.114 19.917 .000 .0 27.55 495.1 1125.704 . . . . ........ ..........................m.... .r...r...a.a........ k.ik..Sc....Nc.ek..****+k******* * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 IS CODE = rn 7 > > >> >STREAM NUMBER 4 ADDED TO STREAM NUMBER 1 <(((< _- _--- -- - -__ -= = - - == == ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 12.00 TO NODE 12.00 IS CODE = 11 > > >> )VIEW STREAM NUMBER 1 HYDROGRAPH(<<<< = =___=_==_===_== _== == _ = = = =_= = = === =_=== =__ = =__ = == ___ STREAM HYDROGRAPH IN FIVE - MINUTE INTERVALS(CFS) TIME(HRS) VOLUME(AF) Q(CFS) 0. 3050.0 6100.0 9150.0 12200.0 14.083 7508.8850 11630.89 . . V . . Q . r 14.167 7589.1190 11649.99 . . V . . Q . 14.250 7669.4730 11667.40 . V . . Q . 14.333 7750.0230 11695.88 . V . . Q . __ 14.417 7830.8770 11739.99 . V . . Q . 14.500 7912.0950 11792.80 . V . . Q . 14.583 7993.5990 11834.45 . V . . Q . 14.667 8075.3390 11868.58 . V . . 0 . 14.750 8157.3570 11909.00 . V . 0. 14.833 8239.5650 11936.66 . . V . . Q. 14.917 8321.8400 11946.22 . V 0. -- 15.000 8404.1640 11953.44 . V . . Q. 15.083 8486.5400 11960.94 . V . Q. 15.167 8568.9620 11967. -65 . V . Q. 15.250 8651.4230 11973.30 . V . 0. 15.333 8733.9220 11978.80 . . V . . Q. 15.417 8816.4570 11984.14 . . V . Q. 15.500 8899.0260 11989.12 . . V . . Q. 15.583 8981.6280 11993.79 . . V . . Q. 15.667 9064.2600 11998.15 . . V . . Q. 15.750 9146.9170 12001.88 . V . . 0. 15.833 9229.5950 12004.83 . . V . . 0. 15.917 9312.2880 12007.08 . . V . . Q. 16.000 9394.9930 12008.74 . . V . . Q. 16.083 9477.7070 12010.06 . . V . . Q. 16.167 9560.4320 12011.57 . . V . . Q. 16.250 9643.1730 12013.97 . . V . . 0. 16.333 9725.9400 12017.89 . . V. 0. 16.417 9808.7470 12023.54 . V. . Q. 16.500 9891.6020 12030.50 . . V. Q. 16.583 9974.5070 12037.84 . V. . Q. 16.667 10057.4600 12045.05 . . V. 0. 16.750 10140.4600 12051.91 V. Q. 16.833 10223.5100 12058.17 . V Q. 16.917 10306.5900 12063.66 . V . Q. 17.000 10389.7100 12068.47 . . V Q. 17.083 10472.8500 12072.89 . V Q. 17.167 10556.0300 12077.08 . . V 0. 17.250 10639.2300 12081.06 . V . Q. 17.333 10722.4600 12084.80 . .V Q. 17.417 10805.7100 12088.23 . . .V . 0. 17.500 10888.9900 12091.27 . .V 0. 17.583 10972.2800 12093.91 7 .V Q. 17.667 11055.5800 12096.13 � •V Q. 17.750 11138.9000 12097.96 . il ' .V Q. 17.833 11222.2300 12099.41 . . V Q. 17.917 11305.5700 12100.52 . . V Q. 18.000 11388.9100 12101.35 . . . V Q. 18.083 11472.2600 121 _ ... Q. 18.167 11555.6100 12102.32 . . V . Q. 404 18.250 11638.9600 12102.52 . . V . 0. 18.333 11722.3100 12102.54 . . V . Q. .= 18.417 11805.6600 12102.36 . . V . 0^ �� 18.500 11888.1700 11980.02 . . . V . Q. 18.583 11968.7900 11706.71 . . . V . 0 . °N/ 18.667 12047.5800 11440.40 . . . V . 0 . 18.750 12124.6900 11195.22 . . . V . Q . . 18.833 12200.2900 10978.00 . . . V . 0 . 18.917 12274.5700 10785.82 . . . V . 0 . °w 19.000 12347.6700 10614.19 . . . V . 0 . .. 19.083 12419.7300 10462.66 . . . V . 0 . 19.167 12490.8900 10332.43 . . . V . 0 . += 19.250 12561.2800 10220.39 . . . V . 0 . 19.333 12630.9900 10122.01 . . . V . 0 . . 19.417 12700.0900 10033.41 . . . V . 0 . .~= 19 12768.6300 9951.60 . . . V . 0 . 19.583 12836.6400 9874.56 . . . V . 0 . . 19.667 12904.1400 9801.55 . . . V . 0 . 19.750 12971.1700 9732.32 . . . V .0 . ~V 19.833 13037.7400 9666.82 . . . V .0 . 19.917 13103.8900 9604.96 . . . V .0 . °. 20.000 13169.6400 9546.28 . . . V .0 . =^ 20.083 13235.0000 9490.28 . . . V .0 . 20.167 13299.9900 9436.37 . . . V 0 . -~ 20.250 13364.6200 9384.09 . . . V Q . 20.333 13428.9000 9333.24 . . . V 0 . ~ 20.417 13492.8300 9284.05 . . . V 0 . - 20.500 13556.4500 9236.88 . . . V 0 . 20.583 13619.7500 9191.77 . . . V 0 . ~~ 20.667 13682.7600 9148.40 . . . V Q. . 20.750 13745.4800 9106.40 . . . V 0. . . 20.833 13807.9100 9065.58 . . . V Q. . = 20.917 13870.0700 9025.97 . . . V Q. . 21.000 13931.9700 8987.65 . . . V Q. . =~ 21.083 13993.6200 8950.60 . . . V Q. . 21.167 14055.0100 8914.65 . . . V Q. . = 21.250 14116.1700 8879.54 . . . V Q. . 21.333 14177.0800 8845.06 . . . V Q. . ~~ 21.417 14237.7600 8811.00 . . . 0 . . - 21.500 14298.2100 8777.33 . . . 0 . . 21.583 14358.4400 8744.29 . . . 0 . . ~.. 21.667 14418.4400 8712.19 . . . 0 . . 21.750 14478.2200 8681.15 . . . 0 . . = 21.833 14537.8000 8650.95 . . . Q . . 21.917 14597.1800 8621.36 . . . Q , , . 22.000 14656.3500 8592.26 . . . 0 . . m � END OF FLOOD ROUTING ANALYSIS m . . . m ... =w .