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Village of Heritage East Village Hydrology
N/�LLQGG OF HERITAGE FAST V�LLQGC HYDROLOGY OCTOBER 1 9, 1988 o FR04 ESSIOP49�. SillAll T A{ No.327�9 �t • 6.3v•90 FC 8170 RWHILL AVENUE • COSTA MESA, CA 82828.3428 • (714) 041-0777 �� CIVIL ENGINEC-RING • LAND PLANNING • LAND DUMM-nNo EAST VILLAGE OF HERITAGE HYDROLOGY INDEX 1) LATERAL 'M' HYDROLOGY a) 25 -YR. FREQUENCY b) 100 -YR. FREQUENCY 2) LINE 'B' HYDROLOGY a) 25 -YR. FREQUENCY b) 100 -YR. FREQUENCY 3) LINE 'D' HYDROLOGY a) 25 -YR. FREQUENCY b) 100 -YR. FREQUENCY 4) LATERAL 'H' HYDROLOGY a) 25 -YR. FREQUENCY b) 100 -YR. FREQUENCY 5) ST. CAPACITY CHARTS 1) LATERAL 'M' HYDROLOGY a) 25 -YR. FREQUENCY ##•3F•iE#-1F-1E•3E•#•iE•#•1E•#•��F##�E�E••iE•####•lf•##•14•#•IEiE•If•#################•i%•)f•�E•#•iE•#•1fiF-If••iF#i:•#•3E•##-1f•########## RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983, 86, 87 Advanced Enpineerinr{ S� �ftware (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN DESCRIPTION OF STUDY # EAST VILLAGE HYDROLOGY. LATERAL M ,FROM LINE L JCT # # G!5 YR, VENKI.N, JN 3810-20, 10/5/88 # FILE NAME: A;EVLATM.DAT TIME/DATE OF STUDY: 14:45 11/ 5/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --#TIME�-OF-CONCENTRATION MODEL# -- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 16.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.k-10 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE _ .6000 •li•#########�f-########-li•##•lE######-)6#########•lF#-1F•if•###•)f••x-##-If•##########iF#####•k•#•it••k##•lE-k# FLOW PROCESS FROM NODE 300.20 TO NODE 195.10 IS CODE = 2 ---------------------------------------------------------------------------- >>)>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL ->-5-7- DWELLINGS/ACRE -- _ -- TC = K#E(LENGTH## 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1286.00 DOWNSTREAM ELEVATION = 1274.00 ELEVATION DIFFERENCE = 12.00 TC = . 389# E ( 1000.00** 3.00)/( 12.00)3** .20 = 14.93E 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.654 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 9.76 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 9.76 FLOW PROCESS FROM NODE 195.10 TO NODE 300.00 IS CODE = 6 -------------------- 1� STREETFLOW TRAVELTIME THRU SUBAREA<<((< ---------------- UPSTREAM ELEVATION = 1274.00 - DOWNSTREAM ELEVATION =-- 1265.20 - - -- STREET LENGTH(FEET) = 1300.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) _ .225 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 12.81 STREETFLOW MODEL RESULTS. NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .92 HALFSTREET FLOODWIDTH(FEET) = 4.91 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.93 PRODUCT OF DEPTHRVELOCITY = 4.55 STREETFLOW TRAVELTIME(MIN) = 4.40 TC(MIN) = 19.33 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.273 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 3.78 SUBAREA RUNOFF(CFS) = 6.08 EFFECTIVE AREA(ACRES) = 8.78 I�LON - 52 %. AVERAGED Frn(INCH/HR) _ .485 TOTAL AREA(ACRES) = 8.78 PEAK FLOW RATE(CFS) = 1.�--- END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .96 HALFSTREET FLOODWIDTH(FEET) = 5.05 FLOW VELOCITY(FEET/SEC.) = 5.12 DEPTH*VELOCITY = 4.89 , ***9E�r*lik****dF**�F*9E***�F*lF9F*�FiFaF**lE**!F*9F*�E-lE�E9EdF 9E***9F�9FiE**9E*dF**1F*******9E�E*��FiFiE**9F* FLOW PROCESS FROM NODE 300.00 TO NODE 300.00 IS CODE = i ---------------------------------------------------------------------------- >)>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.33 RAINFALL INTENSITY (INCH./HOUR) = 2.27 EFFECTIVE STREAM AREA(ACRES) = 8.78 TOTAL STREAM AREA(ACRES) = 8.78 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.13 FLOW PROCESS FROM NODE 300.30 TO NODE 300.31 IS CODE = 2 ---------------------------------------------------------------------------- >>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS((<<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL ->-5-7 DWELLINGS/ACRE TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 980.00 UPSTREAM ELEVATION = 1290.50 DOWNSTREAM ELEVATION = 1277.20 ELEVATION DIFFERENCE = 13.30 TC = .389*[( 980.00** 3.00)/( 13-31b)3** .20 = 14.452 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.706 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 8.40 TOTAL AREA(ACRES) = 4.20 PEAK FLOW RATE(CFS) = 8.40 FLOW PROCESS FROM NODE 300.31 TO NODE 300.00 IS CODE = 6 ------------------------------ >>)))COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1277.20 DOWNSTREAM ELEVATION = 1265.20 STREET LENGTH(FEET) = 680.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 16.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAY. = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .225 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.65 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOR OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .73 HALFSTREET FLOODWIDTH(FEET) = 4.07 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.67 PRODUCT OF DEPTH&VELOCITY = 4.89 STREETFLOW TRAVELTIME(MIN) = 1.70 TC(MIN) = 16.15 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.532 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 3.53 SUBAREA RUNOFF(CFS) = 6.50 EFFECTIVE AREA(ACRES) = 7.73 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 7.73 PEAK FLOW RATE(CFS) = 14.24 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .80 HALFSTREET FLOODWIDTH(FEET) = 4.35 FLOW VELOCITY ( FEET/SEC. ) = 7.07 DEPTH*VELOC I TY = (C�N W&�, �og Q .2o-g5�4.. ALONG 63 ## FLOW PROCESS FROM NODE 300.00 TO NODE 300.00 IS CODE = 1 ---------------------------------------------------------------------------- >>)>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<(<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.15 RAINFALL INTENSITY (INCH./HOUR) = 2.53 EFFECTIVE STREAM AREA(ACRES) = 7.73 TOTAL STREAM AREA(ACRES) = 7.73 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.24 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ---------------- 1 14.13 14.24 RAINFALL INTENSITY CONFLUENCE FORMULA SUMMARY RESULTS: STREAM CONFLUENCE NUMBER Q(CFS) ----------------- 19.33 2.273 16.15 2. 532 .49 8.78 .49 7. 73 AND TIME OF CONCENTRATION RATIO USED FOR 2 STREAMS. EFFECTIVE AREA(ACRES) 1 26. 57 16. 51 2 27.75 15. 07 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 27.75 TIME (MINUTES) = 16.151 EFFECTIVE AREA(ACRES) = 15.07 TOTAL AREA(ACRES) = 16.51 •If• •14• * •li• * * •If• * •li• * •If••k• �F * df• * •!t• •lF 9r * * •ii• * * •�• •!E•lf• ** * * df• •iE * •IE• * * •)4• * •�•* * * �f• * 9r * •)F• iF * * * •)E•* •lf• * *• •!F•* •iF• •lf• •lf• * •)f•** •3i• •�• •iE * ** * •iE•-lE •}�• FLOW PROCESS FROM NODE 300.00 TO NODE 311.00 IS CODE _ ---_.------------------------------------------------------------------------ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<<<( >>)>>USING COMPUTER -ESTIMATED RIPESIZE <NON -PRESSURE FLOW)(((<( DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 UPSTREAM NODE ELEVATION = 1265.20 DOWNSTREAM NODE ELEVATION = 1260.80 FLOWLENGTH ( FEET) = 560.00 MANN I NGS N = .013 ESTIMATED RIPE DIAMETER(INCH) = 30.00 NUMBER OF FIRES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.75 TRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 17.32 *****�i•de•*•3f•*�F•9t•*****�i•***•li•*•!4•iE•*****•)f•**•!f•iF•it•-1E•dE*•*•***•!E*•lE•**•!f•*iE•li•****•lE*•k•********iF*jE••li•*•it9t-*•lE FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 -------------------------- >>)>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.32 RAINFALL INTENSITY (INCH./HOUR) = 2.43 EFFECTIVE: STREAM AREA(ACRES) = 15.07 TOTAL STREAM AREA(ACRES) = 16.51 PEAK FLOW RATE(CFS) AT CONFLUENCE = 27.75 FLOW PROCESS FROM NODE 310.20 TO NODE 310.21 IS CODE = 2 -------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(<(( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE _--- - - TC = K*E(LENGTH•* 3.00)/(ELEVATION CHANGE)3** .20 INITIAL SUBAREA FLOW -LENGTH = 830.00 UPSTREAM ELEVATION = 1276.50 DOWNSTREAM ELEVATION = 1265.65 ELEVATION DIFFERENCE = 10.85 TC = . 389* E ( 830.00** 3.00)/( 10.85)3** .20 = 13.624 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.804 SOIL CLASSIFICATION IS "A,' RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 10.54 TOTAL AREA(ACRES) = 5.05 REAM. FLOW RATE(CFS) = 10.54 FLOW PROCESS FROM NODE 310.21 TO NODE 311.00 IS CODE = 6 ---------------------------------------------------------------------------- >>>>>COMPUTE STREET•FLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION - 1265.65-- DOWNSTREAM _ELEVATION -----1260.60 STREET LENGTH(FEET) = 520.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIiIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIELLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .79 HALFSTREET FLOODWIDTH(FEET) = 4.27 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.36 PRODUCT OF DEPTHRVELOCITY = 4.23 STREETFLOW TRAVELTIME(MIN) = 1.62 TC(MIN) = 15.244 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.621 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm ( INCH/HR) _ .0970 SUBAREA AREA(ACRES) = .55 SUBAREA RUNOFF'(CFS) = 1.25 EFFECTIVE AREA(ACRES) = 5.60 t' AVERAGED Frn(INCH/HR) _ .447 TOTAL AREA(ACRES) = 5.60 PEAK FLOW RATE(CFS) = 10.96 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = . 79 HALFSTREET FLOODW I DTH ( FEET ) = 4.27 Q : /4 -¢7 > ! D -` FLOW VELOCITY(FEET/SEC.) = 5.26 DEPTH*VELOCITY = 4.15 ALONG LINCOL"I ,Q= •00-52, c 8_ _w 30'- C FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 ----------------------------------------------------------------------------- >>)>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<((< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.24 RAINFALL INTENSITY (INCH./HOUR) = 2.62 EFFECTIVE STREAM AREA(ACRES) = 5.60 TOTAL STREAM AREA(ACRES) = 5.60 WEAN, FLOW RATE(CFS) AT CONFLUENCE = 10.96 FLOW PROCESS FROM NODE 310.10 TO NODE 311.00 IS CODE = 2 ---------------------------------------------------------------------------- >>)))RATIONAL METHOD INITIAL SUBAREA ANALYSIS<((<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE - - - TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)** .:0 INITIAL SUBAREA FLOW -LENGTH = 600.00 UPSTREAM ELEVATION = 1274.00 DOWNSTREAM ELEVATION = 1260.5141 ELEVATION DIFFERENCE = 13.50 TC = ..389* C ( 600. 00** 3. 00) / ( 13.50)3** .20 = 10.734 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.235 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 7.67 TOTAL AREA (ACRES) = 3.10 PEAK FLOW RATE(CFS) = 7.67 -GC A) -ON (5 �.����►v �� - o sz c. B. n�13o1- A FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<(<< - -- CONFLUENCE VALUES USED FOR INDEPENDENT" STREAM_ 3 ARE:__ TIME OF CONCENTRATION(MINUTES) = 10.73 RAINFALL INTENSITY (INCH./HOUR) _ 3.24 EFFECTIVE STREAM AREA(ACRES) = 3.10 TOTAL STREAM AREA(ACRES) = 3.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 7.67 FLOW PROCESS FROM NODE 310.30 TO NODE 310.23 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<<( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 830.00 UPSTREAM ELEVATION = 1276.50 DOWNSTREAM ELEVATION = 1266.30 ELEVATION DIFFERENCE = 10.20 TC = .389*[( 830.00** 3.00)/( 10.20)3** .20 = 13.794 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.763 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 10.73 TOTAL AREA(ACRES) = 5.19 PEAK FLOW RATE(CFS) = 10.73 FLOW PROCESS FROM NODE 310.3 TO NODE 311.00 IS CODE = 6 ---------------------------------------------------------------------------- )>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<((( UPSTREAM ELEVATION = 1266.30 DOWNSTREAM ELEVATION = 1260.80 STREET LENGTH(FEET) = 520.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = i **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .78 HALFSTREET FLOODWIDTH(FEET) = 4.23 ALONG FRANL1� AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.51 PRODUCT OF DEPTH&VELOCITY = 4.26 14 _ .pl STREETFLOW TRAVELTIME(MIN) = 1.57 TC(MIN) = 15.37 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.609 (( C�C11N1`t/��L 12-4-61SOIL CLASSIFICATION IS "A" S COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = .41 SUBAREA RUNOFF(CFS) _ .93 EFFECTIVE AREA(ACRES) = 5.60 AVERAGED Frn ( INCH/HR) _ .457 C. B_ �� `30 �- B TOTAL AREA(ACRES) = 5.60 PEAK FLOW RATE(CFS) = 10.85 END OF SUBAREA STREETFLOW HYDRAULICS: - .. 6Fltrot.ri - . 10 nHLTStKCGi ri-uuUWILlMAt - tit- l) = 4.16 FLOW VELOCITY(FEET/SEC.) = 5.48 DEPTH*VELOCITY = 4.19 •k •if-•lE••k• •li• 9i• # iE � •lr 4F• •ie •li•*• •1F •1i• •3i• �i• � •�••k• iE-)E• •1E• ii•iE •x• dE••1F dE• dF �f•d►•k;f• •li• •k •3e• ii -•k •lf• �-k%•1t• iE •iF dE• ii• •�E• •IE• 9i••1F 9E• •1F if• •lE dE•�F• •�• •�• if• •k •k•lF •�• •iF-iE di• •ti• •)i••�• •IE•!4-•1r� •l� FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 >)>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<((<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION(MINUTES) = 15.37 RAINFALL INTENSITY (INCH./HOUR) _ 2.61 EFFECTIVE STREAM AREA(ACRES),= 5.60 TOTAL STREAM AREA(ACRES) = 5.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 10.85 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER -------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 27.75 17.32 2.428 .49 15.07 2 10.96 15.24 2.621 .45 5.60 3 7.67 10.73 3.235 .49 3.10 4 10.85 15.37 2.609 .46 5.60 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 4 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 53.09 29.37 2 54.60 27.51 3 51.70 20.29 4 54.58 27.67 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 54.60 TIME(MINUTES) = 15.242 EFFECTIVE AREA(ACRES) = 27.51 TOTAL AREA(ACRES) = 30.81 if• •lt•-k •X• 94•ib •!t••lE• •!f• •it• dE• •iE••iF• •1f• •iF •lt •iE •iF •)(• •�• •)E• •1i• •lE-lE•iE•)f••IE •IEiE••!F •1F�f••1f• •lF••1E•1(• •iE•lf• it •1E •lf•iF •lf•if• •)f•df• •lf••1f•dE••)E •1E•iE•lE iF•iE •)f••iF•iE •!f• •iFiF•ii• •lE••1@•IE• �F •!f•iF •le•-lf• iE if• •lE• •)f••YF •lE FLOW PROCESS FROM NODE 311.00 TO NODE 315.02 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<((( >>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<<((< DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.8 UPSTREAM NODE ELEVATION = 1260.80 DOWNSTREAM NODE ELEVATION = 1256.53 FLOWLENGTH(FEET) = 600.�1c0 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 54.60 TRAVEL TIME(MIN.) = 1.13 TC(MIN.) = 16.37 •IE �f• •k •� dFdE •3E dF• •k• •1t• •iF •1�• aF •k� 9i• �E• •if• 9f• 9F •7F •!i• de• •Ii• �E if• df• •lE•li• •iE• •!F •�f• if• iE•iF iE 9�• iE• � •k iF •ii• iE -lE•li• •�•lE• jE• •lF •k• •iE •1f• �F �f-9f• •lE-•)f• �F ii• 4f••)E 9F •iE �i• •k• •li• aF •le• •k dF dE •� •3F •li• -1E �F •�• FLOW PROCESS FROM NODE 315.02 TO NODE 315.02 IS CODE = 1 ----------------------------------------------------------------------------- >>>))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.37 RAINFALL INTENSITY (INCH./HOUR) = 2.51 C'L'.CCrTTtIC CTC•�I'.Nt nncr. innnrn�, _ --� c. ,. , LI 1 -t-I IVL ILlil\L.P71'1 1"Imr-H%HL'mmoJ - G/.,jI TOTAL STREAM AREA(ACRES) = 30.81 PEAK FLOW RATE(CFS) AT CONFLUENCE = 54.60 FLOW PROCESS FROM NODE 315.10 TO NODE 315.01 IS CODE = 2 ------------------------------------------------------------------- ))>)>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<<< DEVELOPMENT IS SINGLE-FAMILY RESIDENTIAL. -> 5-7- DWELLINGS/ACRE -==---_-- ^- TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 850.00 UPSTREAM ELEVATION = 1270.20 DOWNSTREAM ELEVATION = 1258.07 ELEVATION DIFFERENCE = 12.13 TC = .389*[( 850.00** 3.00) / ( i2. 13>** .20 = 13.515 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.817 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 12.51 TOTAL AREA(ACRES) = 5.96 PEAK FLOW RATE(CFS) = 12.51 FLOW PROCESS FROM NODE 315.01 TO NODE 315.02 IS CODE = 6 ---------------------------------------------------------------------------- >>>)>COMPUT'E STREETFLOW TRAVELTIME THRU SUBAREA((((( UPSTREAM ELEVATION = 1256.07 -DOWNSTREAM-ELEVATION =---1256.53 -- STREET LENGTH(FEET) = 240.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) _ .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = i **TRAVELTIME COMPUTED USING MEAN FLOW(CFS)-= 12.51 STREETFLOW MODEL RESULTS: p�_oNC, DNCoZ-4 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .90 HALF STREET FLOODW I DTH ( FEET ) = 4.70 ZGO- 6 l AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.86 r, „ PRODUCT OF DEPTHRVELOCITY = 4.37 STREETFLOW TRAVELTIME(MIN) _ .82 TC(MIN) = 14.34 25 YEAR RAINFALL INTENSITY ( INCH/HOUR) = 2.719 SOIL CLASSIFICATION IS "A" OS COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 5����� SUBAREA AREA(ACRES) _ .00 SUBAREA RUNOFF(CFS) _ .00 EFFECTIVE AREA(ACRES) = 5.96 o AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 5.96 PEAK FLOW RATE(CFS) = 12.51 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .90 HALFSTREET FLOODWIDTH(FEET) = 4.70 FLOW VELOCITY(FEET/SEC.) = 4.86 DEPTH*VELOCITY = 4.37 c.13_ � M302 FLOW PROCESS FROM NODE 815.02 TO NODE 315.02 IS CODE = 1 - ---------- ------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: _ TIME OF CONCENTRATION(MINUTES) = 14.34 RAINFALL INTENSITY (INCH./HOUR) = 2.72 EFFECTIVE STREAM AREA(ACRES) = 5.56 TOTAL STREAM AREA(ACRES) = 5.96 WEAN. FLOW RATE(CFS) AT CONFLUENCE = 12.51 FLOW PROCESS FROM NODE 315.12 TO NODE 315.02 IS CODE = 2 ---------------------------------------------------------------------------- >>>))RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<(< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*C(LENDTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 790.00 UPSTREAM ELEVATION = 1269.60 DOWNSTREAM ELEVATION = 1256.53 ELEVATION DIFFERENCE = 13.07 TC = . ,389* 1( 790.00** 3.00)/( 13.14)7)3** .20 = 12.743 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.919 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF (CFS) = 8.98 Q: 8 -le TOTAL AREA(ACRES) = 4. 10 PEAK FLOW RATE(CFS) = 8.96 13/c, AL DNG ILINCOLN',, QlS%=200.6f G. B -- t303 FLOW PROCESS FROM NODE 315.02 TO NODE 315.05 IS CODE = f ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(((<( >))>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<((< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.74 RAINFALL INTENSITY (INCH./HOUR) = 2.92 EFFECTIVE STREAM AREA(ACRES) = 4.10 TOTAL STREAM AREA(ACRES) = 4.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.98 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 54.60 16.37 2.511 .47 27.51 2 12.51 14.34 P.719 .49 5.96 3 8.98 12.74 2.919 .49 4.10 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER G(CFS) AREA(ACRES) --------------------------------------------- 1 73.42 37.57 2 73.45 34.16 3 72.06 30.81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: WEAK FLOW RATE(CFS) = 73.45 TIME(MINUTES) = 14.339 EFFECTIVE AREA(ACRES) = 34.16 TOTAL AREA(ACRES) = 40.67 FLOW PROCESS FROM NODE 315.02 TO NODE 315,00 IS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<((( )>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)(<(<< DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.7 UPSTREAM NODE ELEVATION = 1256.53 DOWNSTREAM NODE ELEVATION = 1255.50 FLOWLENGTH(FEET) = 260.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 73.45 TRAVEL TIME(MIN.) = .57 TC(MIN.) = 14.50 **-1F**********************dF***�*1F****lE*1F***iF**9E**iF**�►F*1i-1fiEatlEif1i3F�FiEiEklEdE�i-�F�Fi�9EdF9Fii FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE; TIME OF CONCENTRATION(MINUTES) = 14.90 RAINFALL INTENSITY (INCH. /HOUR) = 2.616 EFFECTIVE STREAM AREA(ACRES) = 34.16 TOTAL STREAM AREA(ACRES) = 40.87 FREAK FLOW RATE(CFS) AT CONFLUENCE = 73.45 FLOW PROCESS FROM NODE 315.13 TO NODE 315.00 IS CODE = 2 ---------------------------------------------------------------------------- )>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS((<<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)3** .20 INITIAL SUBAREA FLOW -LENGTH = 560.0+44) UPSTREAM ELEVATION = 1265.50 DOWNSTREAM ELEVATION = 1255.50 ELEVATION DIFFERENCE = 10.00 TC = . 389* 1 ( 560. 00** 3. 00) / ( 10.00)]** .20 = 10.936 25 YEAR RAINFALL INTENSITY(INCH/HOUR) _ 3.195 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 6.35 TOTAL AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) = 6.35 FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRATION(MINUTES) = 10.94 RAINFALL INTENSITY (INCH./HOUR) = 3.20 EFFECTIVE STREAM AREA(ACRES) = 2.60#�j �p 9 TOTAL STREAM AREA(ACRES) = 2. 60 C- �. M 30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.35 i FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 7 ---------------------------------------------------------------------------- . i i i "i as:cn circ-. it iCu mtLitul_uuT 11Yt'UKjvjH 1 1UIV H f NUUt C L C USER-SPECIFIED VALUES ARE AS -FOLLOWS;-------------------^ - Lt M)277 TC(MIN) = 17.14 RAIN INTENSITY(INCH/HOUR) = 2.44 F� EFFECTIVE AREA(ACRES) = 11.00 PRKWi TOTAL AREA(ACRES) = 11.13 PEAK FLOW RATE(CFS) = 20.46 AVERAGED LOSS RATE, Fm (IN/HR) _ .390 -- .! TOTAL CoNFLuENcEj) Q = 25-o4 CfiS iE•�F�F�FIFkiilf-������aF��**aE•*��-�*l(-���-��*dF-*�F�9F�E�F��a�*�����������*������->F�*������������ FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<<( ).>>))AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<<(( CONFLUENCE VALUES USED FOR INDEPENDENTSTREAM3 ARE: - TIME OF OF CONCENTRATION(MINUTES) = 17.14 RAINFALL INTENSITY (INCH./HOUR) = 2.44 EFFECTIVE STREAM AREA(ACRES) = 11.05 TOTAL STREAM AREA(ACRES) = 11.13 PEAK FLOW RATE(CFS) AT CONFLUENCE = 20.46 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) ---------------------------------- 1 14.90 73.45 2 6.35 10.94 3 20.46 17.14 2.657 .48 3.199 .49 2.443 .39 EFFECTIVE AREA(ACRES) ------------- 34.16 2. 60 11.05 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 98.17 46.37 2 91.50 34.71 3 91.30 47.81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 96.17 TIME(MINUTES) = 14.91`15 EFFECTIVE AREA(ACRES) = 46.37 TOTAL AREA(ACRES) = 54.60 FLOW PROCESS FROM NODE 315.00 TO NODE .326.10 IS CODE = 3 >>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<<((< DEPTH OF FLOW IN 39.0 INCH PIPE IS 30.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 UPSTREAM NODE ELEVATION = 1255.50 DOWNSTREAM NODE ELEVATION = 1236.10 FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 96.17 TRAVEL TIME(MIN. ) = 1.42 TC(MIN. ) = 16.33 FLOW PROCESS FROM NODE 326.10 TO NODE 326.10 IS CODE = 1 ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<(( f'i1hiC't I ICAIt�C' 11111 a ICn t Ic t -n rr-In rk�nrr.r►�nr-r,�-r r�-rr.,-r,�� ,, nr�.- _ . �.uw'LVGr�.L vMLUC.O UJC,L rum tIVLCF'CIYLCIV 1 1 KCl -111 1 Ii KC TIME OF CONCENTRATION(MINUTES) = 16.33 RAINFALL INTENSITY (INCH./HOUR) = 4.5E EFFECTIVE STREAM AREA(ACRES) = 46.37 TOTAL STREAM AREA(ACRES) = 54.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 58.17 FLOW PROCESS FROM NODE 322.10 TO NODE 315.00 IS CODE _ -------------------------------------------------------------------- >))>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<(<( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1260.91 DOWNSTREAM ELEVATION = 1255.50 ELEVATION DIFFERENCE = 5.41 TC = .389*[( 1000.00** 3.00)/( 5.41)3** .20 = 17.511 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.412 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 9.'34 TOTAL AREA(ACRES) = 5.73 PEAK FLOW RATE(CFS) = 9.94 **************************************************************************** FLOW PROCESS FROM NODE 315.00 TO NODE 326.10 IS CODE = 6 ---------------------------------------------------------------------------- )))>)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<(< UPSTREAM ELEVATION = 1255..50- DOWNSTREAM ELEVATION 1236.10 --- STREET LENGTH(FEET) = 1210.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) _ .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.17 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .70 HALFSTREET FLOODWIDTH(FEET) = 3.95 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.44 PRODUCT OF DEPTH&VELOCITY = 4.54 STREETFLOW TRAVELTIME(MIN) = 3.13 TC(MIN) = 20.64 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.185 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = 1.31 SUBAREA RUNOFF(CFS) _ EFFECTIVE AREA(ACRES) = 7.04 AVERAGED Fm(INCH/HR) _ .413 TOTAL AREA(ACRES) = 7.04 PEAK FLOW RATE(CFS) END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .70 HALFSTREET FLOODWIDTH(FEET) _ FLOW VELOCITY(FEET/SEC.) = 6.48 DEPTH*VELOCITY 2.46 11. 23 c" P3- 3.95 3-3.95 4.56 FLOW PROCESS FROM NODE 326.10 TO NODE 326.10 IS CODE = 1 --------------------------------------------------------------------------- >>>))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( )>>>>AND-COMPUTE VARIOUS CONFLUENCED STREAM VALUES((<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 20.64 RAINFALL INTENSITY (INCH./HOUR) = 2.19 EFFECTIVE STREAM AREA(ACRES) = 7.04 TOTAL STREAM AREA(ACRES) = 7.04 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.23 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ---------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 98.17 16.33 2.015 .46 46.37 2 i 1.23 20.64 2.165 .41 7.04 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER ------------------------------------------- Q(CFS) AREA(ACRES) 1 108.71 51.93 2 93.66 5.3.41 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 106.71 TIME(MINUTES) = 16.329 EFFECTIVE AREA(ACRES) = 51.93 TOTAL AREA(ACRES) = 61.64 FLOW PROCESS FROM NODE 326.10 TO NODE 326.10 IS CODE = 1 ------------------------------------------------------------------------•---- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.33 RAINFALL INTENSITY (INCH./HOUR) = 2.52 EFFECTIVE STREAM AREA(ACRES) = 51.93 TOTAL STREAM AREA(ACRES) = 61.64 PEAK FLOW RATE(CFS) AT CONFLUENCE = 106.71 FLOW PROCESS FROM NODE 325.00 TO NODE 325.10 IS CODE = 2 ---------------------------------------------------------------------------- >))>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(((( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE TC = K#E(LENGTH## 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 500.00 UPSTREAM ELEVATION = 1259.00 DOWNSTREAM ELEVATION = 1251.00 ELEVATION DIFFERENCE = 8.1410 TC = . 412# E ( 500.00## 3.00)/( 8.00)3** .20 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.134 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5620 SUBAREA RUNOFF(CFS) = 16.08 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 16.08 FLOW PROCESS FROM NODE 325.10 TO NODE 326.10 IS CODE = 3 --------------------------------------------------------------------------- >>>>>COMP'UTE PIPEFLOW TRAVELTIME THRU SUBAREA((<(( )>)>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)((((( DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.6 INCHES - - - PI P'EFLOW VELOCITY ( FEET/SEC. ) = 12.2 UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1236.10 FLOWLENGTH(FEET) = 420.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) = 16.08 TRAVEL TIME(MIN.) = .57 TC(MIN.) = 11.85 FLOW PROCESS FROM NODE 326.00 TO NODE 326.10 IS CODE = 8 -------------------------- >)>>)ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<(((( 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.043 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5820 SUBAREA AREA(ACRES) = 6.80 SUBAREA RUNOFF(CFS) = 15.06 EFFECTIVE AREA (ACRES) = 13. 80 � 12 30,56 C AVERAGED Fm(INCH/HR) _ .582FS TOTAL AREA (ACRES) = 13.80 PEAK FLOW RATE(CFS) _ 30.56 2 .2 ( C F A TC(MIN) = 11.89 U trc�� nh rvt� % C( o � t �') • Card-' J �'ri*s 0 ^G.ttt 3 2 5 4" �� Cl3 . 3 o s C- Corv1Fi Tot,a� , t� = 10-46 Far 2r7R, FLOW PROCESS FROM NODE 36.10 TO NODE 326.10 IS CODE = 1 ------------------------------------------------------------=--------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<(<( >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE. TIME OF CONCENTRATION(MINUTES) = 11.89 RAINFALL INTENSITY (INCH./HOUR) = 3.04 EFFECTIVE STREAM AREA(ACRES) = 13.80 TOTAL STREAM AREA(ACRES) = 13.80 PEAK -FLOW RATE(CFS) AT CONFLUENCE = 30.56 CONFLUENCE INFORMATION. STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 108.71 16.23 2.515 .45 51.93 30.56 11.89 3.043 .58 13.80 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 132.72 65.73 2 129.97 51.61 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS. PEAK FLOW RATE(CFS) = 132.72 TIME(MINUTES) = 16.329 EFFECTIVE AREA(ACRES) = 65.73 TOTAL AREA(ACRES) = 75.44 #f•#9E#•iF#•if•###if•##if•#-k####if•#####;r#4E•###if••lt•#######9f•########•k•IF###9ik#iF####•lE�•#iE•9F•ih######## FLOW PROCESS FROM NODE 326.10 TO NODE 330.00 IS CODE = 3 - >>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<<(( -------- --_~- >>)>>USIIVG COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<(((( DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.5 INCHES PIPEFLOW VELOCITY(FEET/SEG.) = 11.3 UPSTREAM NODE ELEVATION = 1236.10 DOWNSTREAM NODE ELEVATION = 1234.50 FLOWLENGTH(FEET) = 220.00 MANNINGS N ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = �. PIPEFLOW THRU SUBAREA(CFS) = 132.72 TRAVEL TIME(MIN. ) = .33 TC(MIN. ) = 16.65 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 ---------------------------------------------------------------------------- >)>))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.65 RAINFALL INTENSITY (INCH./HOUR) = 2.49 EFFECTIVE STREAM AREA(ACRES) = 65.73 TOTAL STREAM AREA(ACRES) = 75.44 PEAK FLOW RATE(CFS) AT CONFLUENCE = 132.72 FLOW PROCESS FROM NODE 330.20 TO NODE 330.00 IS CODE = 2 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(((<( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE TC = K#[(LENGTH## 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1253.20 DOWNSTREAM ELEVATION = 1234.50 ELEVATION DIFFERENCE = 18.70 TC = .389*[( 1000. 00## 3.00)/( 18.70)3** .20 = 13.664 25 YEAR RAINFALL I NTENS I TY (I NCH/HOUR) = 2.799 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.41 TOTAL AREA(ACRES) = 2.60 PEAK FLOW RATE<CFS) = 5.41 C. B. # ISI .3D6 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 - ------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<((< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.66 RAINFALL INTENSITY (INCH./HOUR) = 2.80 EFFECTIVE STREAM AREA(ACRES) = 2.60 TOTAL STREAM AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 5.41 FLOW PROCESS FROM NODE 330.10 TO NODE 330.00 IS CODE = 2 ------------------------ >>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<(<( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL->-5-7-DWELLINGS/ACRE -� - ---_ TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)]** .EO INITIAL SUBAREA FLOW -LENGTH = 750.00 UPSTREAM ELEVATION = 1243.10 DOWNSTREAM ELEVATION = 1234.50 ELEVATION DIFFERENCE = 8.61`1 TC = . 389* C ( 750.00** 3.00)/( 8.60)3** .20 = 13.430 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.828 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 4.22 TOTAL AREA(ACRES) = 2.00 PEAK FLOW RATE(CFS) = 4.22 C. a. -* 1\1 a o 6 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 ------------------------------- >>)))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 13.43 RAINFALL INTENSITY (INCH./HOUR) = 2.63 EFFECTIVE STREAM AREA(ACRES) = 2.00 TOTAL STREAM AREA(ACRES) = 2.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4.22 FLOW PROCESS FROM NODE 340.21 TO NODE 340.02 IS CODE = 2 ----------------------------------------------------------------------------- >>>))RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -)-5-7 DWELLINGS/ACRE- ----- TC = K*E(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 630.00 UPSTREAM ELEVATION = 1253.20 DOWNSTREAM ELEVATION = 1243.75 ELEVATION DIFFERENCE = 9.45 TC = .38,'9*[( 630.00** 3.00)/( 9.45)1** .20 = 11.870 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.046 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 3.64 TOTAL AREA(ACRES) = 1.58 PEAK FLOW RATE(CFS) = 3.64 FLOW PROCESS FROM NODE 340.02 TO NODE 330.00 IS CODE = 6 ---------------------------------------------------------------------------- ))>>)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA(((<( UPSTREAM ELEVATION = 1243.75 DOWNSTREAM ELEVATION = 1234.50 STREET LENGTH(FEET) = 480.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .225 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 -- I MHVML_ 1 LIII= i.. U17IF-'U I t- 1) Ub11V17 MtHN F-LUW (L Fb) = b. 041 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) _ .50 HALFSTREET FLOODWIDTH(FEET) = 3.01 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.51 PRODUCT OF DEPTH&VELOCITY = 2.73 STREETFLOW TRAVELTIME (MIN) = 1.45 TC (MIN) = 13.32 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.842 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 1.28 SUBAREA RUNOFF(CFS) = 2.72 EFFECTIVE AREA(ACRES) = 2.86 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 2.86 PEAK FLOW RATE(CFS) = 6.07 END OF SUBAREA STREETFLOW HYDRAULICS: --.. DEPTH(FEET) _ .54 HALFSTREET FLOODWIDTH(FEET) = 3.22 FLOW VELOCITY(FEET/SEC.) = 5.75 DEPTH*VELOCITY = 3.12 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 --------------------------- >>>)>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<(<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION(MINUTES) = 13.32 RAINFALL INTENSITY (INCH./HOUR) = 2.84 EFFECTIVE STREAM AREA(ACRES) = 2.86 TOTAL STREAM AREA(ACRES) = 2.86 PEAK FLOW RATE(CFS) AT CONFLUENCE 6.07 FLOW PROCESS FROM NODE 330.30 TO NODE 330.00 IS CODE = 2 ----------------------------------------------------------------------------- >>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS<((<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE Q.:7,4. 22 CJ T� 13-43 TC = K* E ( LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 6.0 7 CO Tc HIS .32 - UPSTREAM ELEVATION = 12'43.00 !. bo e Tc 16-00 DOWNSTREAM ELEVATION = 1234. 51441 5.41 CD T c 13- 66 ELEVATION DIFFERENCE = 8. 50 TC = . 389* E ( 1000. 00** 3. 00) / ( 8.50)3** .20 = 15.998 98 2S YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.546 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF (CFS) = 4.60 TOTAL AREA(ACRES) = 2.46 PEAK FLOW RATE(CFS) = 4.60 To L (ommUEr.c�1,� Q_ z 2D, D3 Ct-g FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 ----------------------------------------------------------------------------- >)>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<(<( )>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<((<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 5 ARE: TIME OF CONCENTRATION(MINUTES) = 16.00 RAINFALL INTENSITY (INCH./HOUR) = 2.55 EFFECTIVE STREAM AREA(ACRES) = 2.48 TOTAL STREAM AREA(ACRES) = 2.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4.60 I'M IM I tChll' C' T I ICP10lNnT T ni%l . tivr Uitnrf l 1UiV; . STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER -------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 132.72 16.65 2.486 .48 65.73 2 5.41 13.66 2.799 .49 2.60 a 4.22 13.43 2.828 .49 2.00 4 6.07 13.32 2.842 .46 2.86 5 4.60 16.00 2.546 .49 2.48 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 5 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER --------------------------------------------- O(CFS) AREA(ACRES) 1 150.62 75.67 2 145.86 63.51 3 145.34 62.51 4 145.07 62.03 5 149.79 73.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 150.62 TIME(MINUTES) = 16.654 EFFECTIVE AREA(ACRES) = 75.67 TOTAL AREA(ACRES) = 85.38 FLOW PROCESS FROM NODE 330.00 TO NODE 340.1410 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( >>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)(<<<( DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.8 UPSTREAM NODE ELEVATION = 1234.50 DOWNSTREAM NODE ELEVATION = 1233.40 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 150.62 TRAVEL TIME (MIN. ) = .05 TC (MIN. ) = 16.70 FLOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = i ------------------------ >)>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.70 RAINFALL INTENSITY (INCH./HOUR) = 2.48 EFFECTIVE STREAM AREA(ACRES) = 75.67 TOTAL STREAM AREA(ACRES) = 85.38 PEAK FLOW RATE(CFS) AT CONFLUENCE = 150.62 FLOW PROCESS FROM NODE 340.22 TO NODE 340.22 IS CODE = 2 ---------------------------------------------------------------------------- >)>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(<<( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7-DWELLINGS/ACRE -- TC = K*L(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 850.1410 UPSTREAM ELEVATION = 1255.50 nnt.,nic.-r•rvr-^kA ri rl rnTII-INI _ VWyyJ4J f RL'r' N GLLL=YH 1 ) LJJV -'' .►L. "'�J. / J ELEVATION DIFFERENCE = 11.75 TC = .389*[( 850.00** 3.00) / ( 11.75)3** .20 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.807 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4851 SUBAREA RUNOFF(CFS) = 4.20 TOTAL AREA(ACRES) = 2.01 PEAK FLOW RATE(CFS) = 4.20 FLOW PROCESS FROM NODE 340.02 TO NODE 340.00 IS CODE ------------------------ )>>>)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<(<( UPSTREAM ELEVATION - 124.3.75- DOWNSTREAMELEVATION= -1233.40 - - -_ STREET LENGTH(FEET) = 530.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .225 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 5.57 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURES. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, -ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .51 HALFSTREET FLOODWIDTH(FEET) = 3.08 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.83 PRODUCT OF DEPTH&VELOCITY = 2.98 STREETFLOW TRAVELTIME(MIN) = 1.52 TC(MIN) = 15.12 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.634 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, SUBAREA AREA(ACRES) = 1.42 SUBAREA RUNOFF(CFS) EFFECTIVE AREA(ACRES) = 3.43 AVERAGED Fra(INCH/HR) _ .465 TOTAL AREA(ACRES) = 3.43 PEAK. FLOW RATE(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .56 HALFSTREET FLOODWIDTH(FEET) _ FLOW VELOCITY(FEET/SEC.) = 5.99 DEPTH*VELOCITY = Fm(INCH/HR) _ .4850 - 2.75 6.63 1 t 3.29 3.35 M Jo 7 FLOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.12 RAINFALL INTENSITY (INCH./HOUR) = 2.63 EFFECTIVE STREAM AREA(ACRES) = 3.43 TOTAL STREAM AREA(ACRES) = 3.43 PEAK FLOW RATE(CFS) AT' CONFLUENCE = 6.63 **************************************************************************** FLOW PROCESS FROM NODE 340.10 TO NODE 340.00 IS CODE _ ---------------------------------------------------------------------------- >>)>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<((< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL 5-7 DWELLINGS/ACRE TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)J** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1240.70 DOWNSTREAM ELEVATION = 1233.40 ELEVATION DIFFERENCE = 7.30 TC = . 389*C ( 100"4).014)** 3.00)/( 7.30)1** .20 = 16.492 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.500 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.17 TOTAL AREA(ACRES) = 2.85 PEAK FLOW RATE(CFS) = 5.17 %D'_fAl- cayr-1_tjE:Nc&D 1-68cFs c- B. # M207 ************** FLOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = i -------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<<(( >)>>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<(<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM- 3 ARE: TIME OF CONCENTRATION(MINUTES) = 16.49 RAINFALL INTENSITY (INCH./HOUR) = 2.50 EFFECTIVE STREAM AREA(ACRES) = 2.85 TOTAL STREAM AREA(ACRES) = 2.83 PEAK FLOW RATE(CFS) AT CONFLUENCE = 5.17 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) --_---------------------------------------------------------------- 1 150.62 16.70 2.481 .48 75.67 2 6.63 15.12 2.634 .49 3.43 3 5.17 16.49 2.500 .48 2.85 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER O(CFS) AREA(ACRES) --------------------------------------------- i 161.91 81.95 2 158.45 74.54 3 161.53 8i. 01 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 161.91 TIME(MINUTES) = 16.701 EFFECTIVE AREA(ACRES) = 81.95 TOTAL AREA(ACRES) = 91.66 FLOW PROCESS FROM NODE 340.00 TO NODE 341.00 IS CODE = 3 )>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SU8nREA(<(<< )>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)((((< DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.0 INCHES _ - _--- PIPEFLOW VELOCITY(FEET/SEC.) = 15.2 UPSTREAM NODE ELEVATION = 1233.40 DOWNSTREAM NODE ELEVATION = 1230.40 FLOWLENGTH(FEET) = 210.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 161.91 TRAVEL TIME(MIN.) _ .23 TC(MIN.) = 16.33 ai•��•gat-•�•��•�••��••�•�-��-�•��•�-�•���•-k--��•mai••x-��•�--x-��-�-•�•�•�•�-�•�••���•a��•�••���-��•�••�•�-��-�•�*•�•�•�•�•�a�-�•����••��••��••� FLOW PROCESS FROM NODE 341.00 TO NODE 341.00 IS CODE = 1 ------------------------------------------------------------- --------------- >00DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< CONFLUENCE VALUES USED FOR INDEPENDENT -STREAM _-1 ARE:_____________________ TIME OF CONCENTRATION(MINUTES) = 16.93 RAINFALL INTENSITY (INCH./HOUR) = 2.46 EFFECTIVE STREAM AREA(ACRES) = 81.55 TOTAL STREAM AREA(ACRES) = 51.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 161.51 FLOW PROCESS FROM NODE 350.20 TO NODE 350.12 IS CODE = 2 ---------------------------------------------------------------------------- >)>)?RATIONAL METHOD INITIAL SUBAREA ANALYSIS((<(< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL-)-5-7-DWELLINGS/ACRE -- _ - TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)3** .20 INITIAL SUBAREA FLOW -LENGTH = 560.00 UPSTREAM ELEVATION = 1255.50 DOWNSTREAM ELEVATION = 1239.8 ELEVATION DIFFERENCE = 15.70 TC = . 385* C ( 960.00** 3.00)/( 15.70)3** .20 = 13.608 25 YEAR RAINFALL INTENSITY(INCH/HOUR) _ 2.781 SOIL CLASSIFICATION IS „A„ RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.99 TOTAL AREA(ACRES) = 2.90 PEAK FLOW RATE(CFS) = 5.99 FLOW PROCESS FROM NODE 350.1E TO NODE 341.00 IS CODE = f� ---------------------------------------------------------------------------- >>>>)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<(((( UPSTREAM ELEVATION = 1239.80 DOWNSTREAM ELEVATION = 1230.70 STREET LENGTH(FEET) = 555.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 80.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET" CROSSFALL(DECIMAL) = 325 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.43 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) _ .59 HALFSTREET FLOODWIDTH(FEET) = 3.20 AVERAGE FLOW VELOCITY(FEET/SEG.) = 6.00 PRODUCT OF DEPTHRVELOCITY = 3.52 STREETFLOW TRAVELTIME(MIN) = 1.54 TC(MIN) = 15.35 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.610 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 1.50 SUBAREA RUNOFF(CFS) = 2.87 EFFECTIVE AREA(ACRES) = 4.40 AVERAGED Fm ( INCH/HR) _ .485 C. - TOTAL AREA(ACRES) = 4.40 PEAK FLOW RATE(CFS) = 6.42 END OF SUBAREA STREETFLOW HYDRAULICS: -- *fir_ rr,1 r'r. rr __, r - , ,.n, r-,-.-•r...r-rr .-, r-.--�... -,-.. , .-•-,-- . - . . L I_.r Iti 4,t`"L:.I i- ,p,:� "HL-rnI Kc-tI r L. U U U W I L I H l t• t f=I )= ,:i. ..4 FLOW VELOCITY(FEET/SEC:..) = 6.06 DEPTH*VELOCITY = 3.83 FLOW PROCESS FROM NODE 341.00 TO NODE 341.00 IS CODE = 1 - > > > > > DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < < (((-- - ------__.__.___ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.35 RAINFALL INTENSITY (INCH./HOUR) = 2.61 EFFECTIVE STREAM AREA(ACRES) = 4.40 TOTAL STREAM AREA(ACRES) = 4.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.42 FLOW PROCESS FROM NODE 350.10 TO NODE 350.11 IS CODE = 2 ---------------------------------------------------------------------------- >)>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<(< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -)-5-7 DWELLINGS/ACRE-- - -- TC = K*C(LENGTH** 3.0k))/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1:40.50 DOWNSTREAM ELEVATION = 1232,40 ELEVATION DIFFERENCE = 8.10 TC = .389*[( 1 0k"►k1. 4 r0** 3. 00) / ( 8. 10) 1** . 20 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.532 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Frn(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 4.33 TOTAL AREA(ACRES) = 2.35 PEAK FLOW RATE(CFS) = 4.33 FLOW PROCESS FROM NODE 350.11 TO NODE 341.00 IS CODE = 6 ---------------------------------------------------------------------------- >>>)>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<(<<< UPSTREAM ELEVATION = 1232.40 --DOWNSTREAM ELEVATION -=---1230.70 -`__-- STREET LENGTH(FEET) = 570.00 CURB HEIGTH(INCHES) = S. S'f REET HALFW I DTFI ( FEET) _ 20.014) DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SFIECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 5.67 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .75 HALFSTREET FLOODWIDTH(FEET) = 4.13 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.54 PRODUCT OF DEPTH&VELOCITY = 2.21 STREETFLOW TRAVELTIME(MIN) = 3.23 TC(MIN) = 15.3' 25 YEAR RAINFALL INTENSITY(INCH/HOUR) _ 2.265 SOIL CLASSIFICATION IS "A" MCC Trt=AITTr%l 1r-1 , Thinninrr,r r,.r.n--n -- -- - �. - t�vl:.r�ti i iriL-- i �'-' � LWGLL1t4u�/ ML. i�C t5VC,Fjkt i L43bb' KHi C., t"En £,�IVi...F'i/FiK1 -• . SUBAREA AREA(ACRES) = 1.67 SUBAREA RUNOFF(CFS) = 2.68 EFFECTIVE AREA(ACRES) = 4.02 AVERAGED Fite ( INCH/HR) _ .485 TOTAL AREA(ACRES) = 4.02 PEAK FLOW RATE(CFS) = 6.45 END OF SUBAREA STREETFLOW HYDRAULICS; DEPTH(FEET) = .80 HALFSTREET FLOODWIDTH(FEET) = 4.32 FLOW VELOCITY(FEET;SEC.) = 3.02 DEPTH*VELOCITY = 2.42 -ToTf)L co N r-L Ucr-i CLD 1/+, so crs FLOW PROCESS FROM NODE 341,00 TO NODE 341.00 IS CODE = 1 _---------------------------------------------------------------•---------- >>>))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((<(( >>)>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<((< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3-ARE; TIME OF CONCENTRATION(MINUTES) = 15.33 RAINFALL INTENSITY (INCH./HOUR) = 21.27 EFFECTIVE STREAM AREA(ACRES) = 4.02 TOTAL STREAM AREA(ACRES) = 4.02 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.45 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) -------------------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 161.91 16.93 2.461 .48 81.95 2 6.42 15.35 2.610 .49 4.40 3 6.45 19.39 2.269 .49 4.02 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: ` STREAM CONFLUENCE EFFECTIVE NUMBER D(CFS) --------------------------------------------- AREA(ACRES) 1 175.96 6S. 87 2 172.35 81.69 3 159.73 90.37 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 175.96 TIME (MINUTES) = 16.932 EFFECTIVE AREA(ACRES) = 89.87 TOTAL AREA (ACRES) = 100.08 •�• •ii--)F•�E• •le-•3f� •!r •� dF• •k• •k aF�E• � * •lt � # �E*�i-•IE• aF * � df -•k �E•9E•iE 9E�lE�lf•9E iE• •le••lf• if•dE 9E�if•iF •iE•k•!F 9F ��� •iF;FiF••IE �!-�• •>F•if � jF aF-)F•lik iE• � �i•-lE•dE•k •)E• iF-If• �E• •iF •lF• �kiF FLOW PROCESS FROM NODE 341.00 TO NODE 350.00 IS CODE = 3 )>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((<<< )>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<<<(< DEPTH OF FLOW IN 60.0 INCH PIPE IS 48.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.4 UPSTREAM NODE ELEVATION = 1230.70 DOWNSTREAM NODE ELEVATION = 1230.40 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 175.98 TRAVEL TIME (MIN.) = .10 TC (MIN.) = 17.03 FLOW PROCESS FROM NODE 350.00 TO NODE 350.00 IS CODE = 1 -----•----------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<(< ----------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.03 RAINFALL INTENSITY (INCH./HOUR) = 2.45 EFFECTIVE STREAM AREA(ACRES) = 69.87 TOTAL STREAM AREA(ACRES) = 100.08 PEAK FLOW RATE(CFS) AT CONFLUENCE = 175.96 FLOW PROCESS FROM NODE 350.21 TO NODE 350.22 IS CODE _ ----------------------------- ))>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL--> 5-7 DWELLINGS/ACRE - - - -� TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1261.80 DOWNSTREAM ELEVATION = 1244.30 ELEVATION DIFFERENCE = 17.50 TC = . 36 9* C ( 1000.00** 3.00)/( 17.50)3** .20 0 = 13.847 25 YEAR RAINFALL INTENSITY(INCH/HOUR) _ 2.777 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4630 SUBAREA RUNOFF(CFS) = 7.20 TOTAL AREA(ACRES) = 3.49 PEAK FLOW RATE(CFS) = 7.20 FLOW PROCESS FROM NODE 350.22 TO NODE 350.12 IS CODE = 6 ---------------------------------------------------------------------------- )))>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA(<<(( UPSTREAM ELEVATION = 1244.30 --DOWNSTREAM ELEVATION-- -1238.80 STREET LENGTH(FEET) = 360,00 CURB HEIGTH(INCHES) S. STREET HALFWIDTH(FEET) = 2:0.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.20 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) _ .58 HALFSTREE:.T FLOODW 1 DTH ( FEET) = 3.46 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.62 PRODUCT OF DEFT T H&VELOCITY = 3.27 STREETFLOW TRAVELTIME(MIN) = 1.07 TC(MIN) = 14.31 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2:.656 SOIL CLASSIFICATION IS „A'' RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) _ .00 EFFECTIVE AREA(ACRES) = 3.49 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) _ • 3.49 PEAT; FLOW RATE(CFS) = 7.21-4) END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOODWIDTH(FEET) = 3.48 FLOW VELOCITY(FEET/SEC.) = 5.62 DEPTH*VELOCITY = 3.27 FLOW PROCESS FROM NODE 350.30 TO NODE • 350.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<(< Edi YEAR RAINFALL INTENSITY (I NCH / HOUR) -- 856-----= ------------------- SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) -- .5620 SUBAREA AREA(ACRES) = 8.71 SUBAREA"RUNOFF(CFS) = 16.26 EFFECTIVE AREA(ACRES) = 12.20 AVERAGED Fm (INC:H/HR) = .554 TOTAL AREA (ACRES) = 12.20 PEAK FLOW RATE(CFS) = 21.07 TC(MIN) = 14.91 •��•xdi•ii•*a�•�••�•�•�••r-�••k-•�� •�•��•�••�� �•��•��-•��•�•�•��••��••�•�•�•�•�-��a�•��••��: �••�•�•��•�•��••��•mai•��•i�••x•�•�-�•�•�i-•�•�•�i••�-x-�•��••��••��• FLOW PROCESS FROM NODE 350.12 TO NODE 350.00 IS CODE = 6 -------------------------------- >>0 >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<(<< UPSTREAM ELEVATION = 1238.80 DOWNSTREAM ELEVATION = 1230.40 STREET LENGTH(FEET) = 540.00 CURES HE I GTH (I LACHES) = 8. STREET HALF W I DTH ( FEE T) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 1:.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .26164) SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **T•RAVELTIME: COMPUTED USING MEAN FLOW(CFS) _ 23.43 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH ( FEET) = .98 op S r` HALF S T REET FLOODW I DTH ( FEET) = 5.02 CFx ph c 1 � y AVERAGE FLOW VELOCITY (FEET/SEC.) = 7.83 I.SZ i• ZI b2 c rkS PRODUCT OF DEPTH&VELOCITY = 7.71 S REETFLOW TRAVELTIME(MIN) = 1.15 TC(MIN) = 16.06ib E,�CL� ��c1y,1� ►N 23 YEAR RAINFALL INTENSI"i Y ( INCH/HOUR) _ 2.540 C- R_ � �� 31 Z SOIL CLASSIFICATION IS "A" RE IDE:NTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) .4850 SUBAREA AREA (ACRES) = .36 SUBAREA RUNOFF (CFS) _ .70 EFFECTIVE AREA(ACRES) = 12.58 6Q, _,too-6� AVERAGED Fm ( INCH/HR) _ .55E f /n ' Q = 24. 73 TOTAL AREA(ACRES) = 12.56 PEAK FLOW RATE(CFS) = 4 7 >13 - v 7 END OF SUBAREA STREETFLOW HYDRAULICS: - O,r DEPTH(FEET) .97 HALFSTREET FLOODWIDTH(FEET) = 4.98 ,e.6. 308 309 FLOW VELOCITY (FEET/SEC.) = 7.88 DEPTH*VELOCITY = 7. 68 e "VG 200 -6 FLOW PROCESS FROM NODE 350.00 TO NODE 350.00 IS CODE = i -----------------.------- >>>1>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<( >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((<<< CONF=LUENCE VALUES USED FOR INDEPENDENT STREAM 2 PRE: ------- --- -_-_Y== �_^-__ TIME OF CONCENTRATION(MINUTES) = 16.08 RAINFALL INTENSITY (INCH./HOUR) 2.54 EFFECTIVE STREAM AREA(ACRES) = 12.58 TOTAL STREAM AREA(ACRES) = 12.58 PEAK FLOW RATE(CFS) AT CONFLUENCE _ 23.07 rnNWI r �WVY Th"MnIWn4 Trh•.. ii• 9i• ar•��• •� �• �• � •� •� �• •�• •� �• •k 9r df••�F 9E � •� •� � •� •��• •� �• •� �F �f• •it• •� 9i-•�•�-•� •�-x• �• •� •� •� •x-�• � •��• •� •� •� •��••�i• •��-�• •� �t••� •��• �• �•ae• �• •� •�•� � a� •� •� •�t• •� •��• � •� •� FLOW PROCESS FROM NODE 350.00 TO NODE 360.10 IS CODE = 3 >>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<(< >>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)((((< DEPTH OF FLOW IN 66.0 INCH PIPE IS 52.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1230.40 DOWNSTREAM NODE ELEVATION = 1227.50 FLOWLENGTH(FEET) = 740.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 158.04 TRAVEL TIME (MIN.) = 1.26 TC (MIN.) = 18.28 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.28 RAINFALL INTENSITY (INCH./HOUR) _ 2.35 EFFECTIVE STREAM AREA(ACRES) = 102.45 TOTAL STREAM AREA(ACRES) = 112.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 196.04 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 7 >>>))USER SPECIFIED HYDROLOGY INFORMATION AT NODE(<((< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.18 RAIN INTENSITY(INCH/HOUR) = 2.63 EFFECTIVE AREA(ACRES) = 18.22 TOTAL AREA(ACRES) = 18.66 PEAK FLOW RATE(CFS) = 37.1; AVERAGED LOSS RATE, Fm?IN/HR) = .400 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<< STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 175.98 17.03 2.458 .48 -- _-- 89.8 7 2 23.07 16.06 2.540 .55 12.58 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONPLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER MFS) ------------------------------------------------ AREA(ACRES) 1 198. 04 102.45 2 196.44 97. 35 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS; PEAK FLOW RATE(CFS) = 198.04 TIME (MINUTES) = 17.028 EFFECTIVE AREA (ACRES) = 102.05; TOTAL AREA(ACRES) = 112.66 ii• 9i• ar•��• •� �• �• � •� •� �• •�• •� �• •k 9r df••�F 9E � •� •� � •� •��• •� �• •� �F �f• •it• •� 9i-•�•�-•� •�-x• �• •� •� •� •x-�• � •��• •� •� •� •��••�i• •��-�• •� �t••� •��• �• �•ae• �• •� •�•� � a� •� •� •�t• •� •��• � •� •� FLOW PROCESS FROM NODE 350.00 TO NODE 360.10 IS CODE = 3 >>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<(< >>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)((((< DEPTH OF FLOW IN 66.0 INCH PIPE IS 52.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1230.40 DOWNSTREAM NODE ELEVATION = 1227.50 FLOWLENGTH(FEET) = 740.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 158.04 TRAVEL TIME (MIN.) = 1.26 TC (MIN.) = 18.28 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.28 RAINFALL INTENSITY (INCH./HOUR) _ 2.35 EFFECTIVE STREAM AREA(ACRES) = 102.45 TOTAL STREAM AREA(ACRES) = 112.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 196.04 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 7 >>>))USER SPECIFIED HYDROLOGY INFORMATION AT NODE(<((< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.18 RAIN INTENSITY(INCH/HOUR) = 2.63 EFFECTIVE AREA(ACRES) = 18.22 TOTAL AREA(ACRES) = 18.66 PEAK FLOW RATE(CFS) = 37.1; AVERAGED LOSS RATE, Fm?IN/HR) = .400 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<< ------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM -MARE: TIME OF CONCENTRATION(MINUTES) = 15.18 RAINFALL INTENSITY (INCH./HOUR) = 2.63 EFFECTIVE STREAM AREA(ACRES) = 18,22 TOTAL STREAM AREA(ACRES) = 18.66 PEAK FLOW RATE.(CFS) AT CONFLUENCE = 37.13 �•�• �•�• •�• �•� � •�• �••�•� •��• �• •��• •��••�*-�••x•�i -� •x• •�!-#•�•� •�•�•��• •��•�•�-•�•�i•ai-•� •�e• •x�•ai••�e-•sr• # x• •�•�e ��•�••�•�• �••� �• •� �•ai• •x•x• �•ai• �• �• �-•� �-•� �• �• •x-•�••�!-�• FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 7 ---------------------------•--•--- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 14.84 RAIN INTENSITY(INCH/HOUR) = 2.66 EFFECTIVE AREA ( ACRES) = 7.47 TOTAL AREA(ACRES) = 7.68 PEAK FLOW RATE(CFS) = 16.03 AVERAGED LOSS RATE, Frei (IN/ HR) _ .2914) �• •�• �i-•�e• ei• •� •sE• �• •� � �•ai• �• •� •�i• •� •h• � •�i#-�i• �t• �• �• ai•st• ae• •� �•-x•��•-� � •� •� �•�•� •� •� •��t-� �• � �• �• •� •� st• �••�• �t• •� •� •� •x-�• •� •�• �e••sF •�-x• •� •� •st• •� et• •>Fa� •� •� •� �• •� FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ----------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<( >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<(<< CONF=LUENCE VALUES USED FOR INDEPENDENT STREAM 3�ARE: --- TIME OF CONCENTRATION(MINUTES) = 14.64 RAINFALL_ INTENSITY (INCH. /HOUR) = 2.66 EFFECTIVE STREAM AREA(ACRES) = 7.47 TOTAL STREAM AREA(ACRES) = 7.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 16.03 CONFLUENCE INFORMATION; STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) -------------------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 198.04 18.28 2.350 .49 102.45 �: 37.13 = i �. 18 2. 62Es . 40 18 16.22 3 16.03 14.84 2.664 .29 7.47 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: S'T'REAM CDNFL-UENCE EFFECTIVE NUMBER G! (CFS) --------------------------------------------- AREA(ACRES) 1 244.45 126.14 241.87 110.75 3 240.74 106.43 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 244.45 TIME (MINUTES) = 16.283 EFFECTIVE AREA(ACRES) = 128.14 TOTAL_ AREA(ACRES) = 139.00 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ---------------------------------------------------------------------------- >)>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<< >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<((< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.28 RAINFALL INTENSITY (INCH./HOUR) = 8.35 wooroly"r nrnrnin __ ^ TOTAL STREAM AREA(ACRES) = 139.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 244.45 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ---------------------------------------------------------- 1 244.45 16.28 2.350 .47 128.14 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM . CONFLUENCE EFFECTIVE NUMBER QCFS) AREA ACRES) --------------------------------------------- 1 244.45 128.14 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAL: FLOW RATE(CFS) = 244.45 TIME(MINUTES) = 18.263 EFFECTIVE AREA(ACRES) = 128.14 TOTAL AREA(ACRES) = 139.00 END OF STUDY SUMMARY: -------------- TOTAL AREA(ACRES) = 139.00 EFFECTIVE AREA(ACRES) = 126.14 PEAK FLOW RATE (CFS) _ 244.45 END OF RATIONAL METHOD ANALYSIS Ver. 4. iL. Release se 1. a e e 5/ii/67 Serial 4 1+C.'•05o6 9t DC 7F k•41E?t# #)f�riEli k iF ie 7s 3t Y"i ###3E' UG°SCRIF I IUN OF STUDY #1F 9EiF t s i'h �i 7i'iF�f#iE3t#yt!! ic�E3f•lkit� rcY: EAST VILi_AGE HYDROLOGY. LINE MO, (LATERAL M) � 0 2S YR •k V: NAI . iii. X 3s i o-01_ 0. 9/9/86 �L y��yy�� ♦ ♦y 1C �y d S� ] �t Y y, 1 y t ] ,y� } ft �y � ')C' # I�- 7[' � F •IC .�'...�..�..F •1�C' # •if"�' �'.rr'r; 'i�• 3E' "af' # .�' .�' .h. #'If' # •h• # # 'J@' +f' #'l�" # •lC �•/["it' # � "Ji' •fC's["iC •IL'A t.' �f' �C..it"P">r'.�"k'.�,. "l�" •�'.#.'h' 7Y!' #'�'..�"]i'7'C":� 'I."�C' � "!["Y: FILE NAME: A : EVLATMO. DA T TIME/DATE OF STUDY: 1i: 9 9/10/1986 USER SPECIFIED HYDROLOGY AND HYDRAULIC -MODEL -INFORMATIONz --* T IME-OF-CONCENTRA T ION MODEL*-- _--_..... -----.-____.-•---- USED SPECIFIED STORM EVENT (YEAR) - 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 16.0 SPECIFIED PERCENT OF GRADIENTS (DECIMAL) TO USE FOR FRICTION SCOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FUR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY (I NCH/ HOUR) _ .960 100 -YEAR STORM 60 -MINUTE INTENSI i•YQNCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVEN T = 23.00 i --HOUR iN T ENSITY ( INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 •k••k#•#•#•#: dF'##•9F**#•3F#•!i••fir###•3EiF•k#•iF•lE#iF*iF#•iFiF••3E•iE#••1F#••lf•###•�:•iF7t•is•#•iE••iraE#•iF9E##*#•iE•iEdF##iF#•iE##••3k•###r3E � � �; NOD i--FLOW -r`rf----- FROM ----------- G-TO-NiJD�:-_- 701.!0--IS-CUD----------- j )))})RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(<(< DEVELOPMENT IS COMMERCIAL 70 = K* C ( LENGTH** 3.00)/(ELEVATION CHANGE) 5 ** .20 INITIAL SUBAREA FLOW -LENGTH = 620.&1) 1) UPSTREAM ELEVATION = 1290.50 DOWNSTREAM ELEVATION = 1264.60 ' ELEVATION DIFFERENCE = .70 TC - . 3 14* C ( 620.00** 3.00)/( 5.70)1** .20 - 1 z. 166 E5 YEAR RAINFALL !NTENSITY(INCH/Hl-1•UR) - 3.342 SOIL CLASSIFICATION IS "All COMMERCIAL SUBAREA LOSS RATE. Fm ( INCH/HR) = .0970 SUBAREA RUNOFF (CFS) 2.13 TOTAL AREA (ACRES) = .73 PEAK FLOW RATE (CFS) = 2.13 •if•#•lE••lE#•�f••lF#•iF#•iF#••iE••k#•iF•iF••ii•ir•3E*#•iF#•*a'riFdriE9F•�••ie•df'•lf••3f••)E•�i••i(•if••)E•#••)f••iF•lE••kif•#•iE••lf•di•if•ir•lF•lF•%aE#9F•IE•#••l�E••IF#••3f•#�f•dF##•lE•-k••fE'•�-�i'li •h FLOW PROCESS FROM NODE 701.01 TO NODE 701.01 16 CODE = 1 -------------_ )))))DESIGNATE 1NDEPENDENT STREAM FOR CONFLUENCE((((( I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATION (MINUTES) - 10.17 RAINFALL. INTENSITY (INCH. /HOUR) = 3.34 EFFECTIVE STREAM AREA (ACRES) _ .73 TOTAL STREAM AREA(ACRES) _ .73 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2.i3 •iE" •}F •ie # # # *• •�'-x- •Yr•3F #'it -'ie' •3f' is iE •!4• #•i4• #•#••iE••)f' #• #• •lE•#•#••�•#•9E # #• #' #-)f•-it•-li••3f••�f• #•36•lk#••)t••IF•lE•�r•lE•x• •x-7� # #• #•lt• iF•ir•iE• #•^1E•�t• •x• #9F •x•�i•�F'�f• df• •�•9E••k •ir •1F F LOW PROCESS PROM NODE 701.11 TO NODE 701.01 I S CODs = ----------------------------------------------------------------------------- > >) > > RA T I ONAL METHOD INITIAL SUBAREA ANALYSIS < < < < ( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL--> 5-7 DWELLIa S/i-CRr====-_-_-_-- TC = K* E ( LEND (H## 1.00)/(ELEVATION CHANGE)?** .20 INITIAL SUBAREA FLOW -LEND { H = 550.00 UPSTREAM ELEVATION = i290.30 DOWNSTREAM ELEVATION = 186.00 ELEVATION DIFFERENCE = 4.30 TC = - 389*• E ( 550.00** 3.00)/( 4.30)2** .20 - 12.808 E5 YEAR RAINFALL IN f ENSI i Y ( INC H/HUUR) _ 2.910 SOIL CLASSIFICATION I5 "A" RESIDENTIAL-) -7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF ( CFS) - 6. i✓6 TOTAL AREA(ACRES) = 3.0s PEAK FLOW RATE(CFS) = 6.66 •3e••x••��•�•�••�•-�:•#-iE•##•�••iF•if•�i-•i!••*••lE•�••�i••*••�•#iF�•at•*9E•-x••�!••�t•#•*••3E#�••3�••3t••x••*•1E•k•#•IFF•�t•###•�t•#•1e•#•*••�#•lF#-x••3i•�•#•:�•-x•#•�•####•rE# •�•-�•# FLOW PROCESS FROM NODE 701.01 TO NODE 701-01 IS CODE = 1 >) > > > DESIGNA T E INDEPENDENT STREAM FOR CONFLUENCE < < (< ( >) •) •>r AND COMPUTE 'VARIOUS CONFLUENCED STREAM VALUES (((< < CONFLUENCE 'VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENTRATION(MINUTES) - 12.81 RAINFALL INTENSITY (INCH. /HOUR) _ 2.91 EFFECTIVE STREAM AREA(ACRES) = 3.05 TOTAL STREAM AREA(ACRES) = 3.05 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.66 CONFLUENCE INPORMATION: STREAM PEAT: FLOW TIME NUMBER RATE(CFS) (MIN.) ----------------------------- 1 2.i3 10.17 = i �- E.SE C w 1 L.. l.! 1 INTENSITY FM EFFECTIVE (INCH/HOUR) (IN/HR) AREA(ACRES) ---------------------------------- 3..34E .10 .73 2.910 .49 3.05 5 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS; 5: STREAM CONFLUENCE EFFECTIVE NUMBER Q (CFS) AREA(ACRES) -------------------------------------------------- i S - IS 3.15 6.50, 3.78 ClJMPWTE.D CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RA`•E (CFS) = 8.50 TIME(MINUTES) = 12.808 EFFECTIVE AREA (ACRES) - 3.7G TOTAL AREA (ACRES) = 3.78 •�E•###�•#•3i••3E•-9i•#iE•►i••�i•###•)k�f•##�t••1F#####�4•##•�E•####iE#####•iEdF•#•*•#•3E•#-3F•dE•#•iE••lf•###•iE•#•)f•#•�•#####�f•9E•###•k##•k•# FLOW PROCESS FROM NUDE 701.01 TO NODE 16-10 I S CODE = G > >))) COMPUTE STRE T FLOW TRAVEL.TIME THRUSUBAREA (< (< ( I UPS ftt.i- M ELEVATION - i286.00 - DOWNSTREAM ELEVATION -1 - . olzi _--- -_ STREET LENGTH (FEET) - 1030.00 CURD HEIG T H ( INCHES) = 5. STREET REET HALFW I DTH ( FEE C) = 24.00 00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 1E.00 INTERIOR STREET CRUSSFRLL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .420 SPECIFIED NUMBER OF HALFSTREET•S CARRYING RUNOFF = j, ** T RAVELT I ME COMPUTED USING MEAN FLOW(CFS) = 9.91-1 STREETFLOW MODEL RESULTS: ;070 STREETFLOW EXCE .DS TOP OF CURiw. THE FOLoGWING S T REET•FuOW RESUL"i S ARE BASED ON THE ASSUMPTION THAT NEGL I SLE Fi W OCCURS OUTSIDE OP THE STREET CHANNEL THAT 18, ALL PLOW ALONG THE PARKWAY, IETC.. S NEGLECTED. STREET FLOWDEPTH ( FEE T) = .70 HALFST•KEE T FLOODW ID T H (FEE T•) = a.19 AVERAGE FLOW VELOCITY (FEET/ SEC.) = 6.49 PRODt1CT OF DEPTH&'VELOCITY = 4.04 STREETFLOW T RAVEL T IiME(MIN) = 2.64 TC (MIN) = 15.45 ES YEAR RAINFALL TNTENSI i'Y ( INCH/HOUR) = 2.600 SOIL CLASSIFICATION IS "All COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = 1.26 SUBAREA RUNOFF(CFS) 2.84 EFF=ECTIVE AREA(ACRES) _ 5.04 AVERAGED Fm(INCH/HR) _ .332 TOTAL AREA(ACRES) = 5.04 WEAK FLOW RATE(CFS) = 10.29 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .72 HALFSTREET FLOODWIDTH(FEET) FLOW VELOCITY(FEET/SEC.) - 6.51 DEPTH*VELOCITY = 4.65 FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 is CODE = i ------------- ______ )) >)) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < (< < { CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 15.45 RAINFALL INTENSITY (INCH./HOUR) = 2.60 EFFECTIVE STREAM AREA(ACRES) = 5.04 70TAL STREAM AREA(ACRES) = 5.04 PEAK FLOW RATE(CFS) AT CONFLUENCE = 10.25 FLOW PROCESS FROM NODE 317.20 I.O NODE 16.10 IS CODE = 2 ---------------- -------------------------------•-----------------•------------- )))))RA ZONAL METHOD INITIAL SUBAREA ANALYSIS((<(< i.EVEL3PmEN T 16 SINGLE FA'•MILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE TO = K* C (LEiGTH** 3.00)/(ELEVATION CHANGE) 7 ** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1281. 0021 DOWNSTREAM ELEVATION = 1270.00 ELEVATION DIFFERENCE 3.00)/(= 11.00 O = .Jiff*E( !000.00** 3.)/( 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.626 SOIL CLASSIFICATION IS "A" RESiDENiIHL0 5-7 DWELLINGS/ACRE SUBAREA LOSS RPiE, Fm(INC:HiHR) = .4850 SUBAREA RUNOFF(CFS) - 6.55 TOTAL AREA(ACRES) = 3.40 PEAK FLOW RH i E (C Si ••iE•lE•k•iF#•iE••lt3h•Yr•lf•#•!c•li••3f••?E#•iE••)E••iE•##•3E•3F##�E•#•)E•df•9E•##•1F•iE•�i•�E•lf•###•Yr#•1E•##•3f••1f•iF•3E•##�f••lF#�!•9E•if•##•3E•lE•#•3i•� fi••)F••�'r#iF••)E••it� •t#•#•�t�c f --FLOW---------FROM-NODE__--i6_1--TO-NODE----16_1--IS------_---1-_____------ )))))DESIiGNATE INDEPENDENT STREAM FOR CONFLUENCE(<({< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME Or CONCENTRATION (MINUTES) = 15.19 RAINFALL INTENSITY (INCH./HOUR) 2.63 E; PEL I 'IVE MEW kE1-1rv[ AREA (ACHES) = TOTAL STREAM AREA (ACRES) = 3.40 PEAK FLOW RATE(CFS) AT CONFLUENCE FLOW PROCESS FROM NODE 3i7. iO TO NODE 16.10 IS CODE _ 2 -------------------- J > >)) RATIONAL METHOD INITIAL SUBAREA ANALYSIS < < < < ( DEVELDPMEN T 16 SINGLE FAMILY RESIDENTIAL -) -5-7-DWELLINGS/ACRE------------ TC = K* z ( LENGTH** 3.00)/(ELEVATION CHANGE) 3 ** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1261.00 DOWNSTREAM ELEVATION = 1270.00 ELEVATION DIFFERENCE = 11.00 O = . 389*0 1000.00** 3.00)/( i 1.00) ** . 20 = 15.194 25 YEAR RAINFALL I NTE NS I T Y (INCH / HOUR) = 2.626 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LUSS RATE, Fm(INCH/HR) .4850 SUBAREA RUNOFF (CFS) = 3.47 TOTAL AREA (ACRES) = 1.80 PEAK FLOW RATE(CFS) 3.47 FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 IS CODE = i >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<((< >>>>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<(<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 15.19 RAINFALL INTENSITY (INCH./HOUR) = 2.63 EFFECTIVE STREAM AREA(ACRES) = 1.60 TOTAL STREAM AREA(ACRES) = i.80 PEAK FLOW RATE(CFS) AT CONFLUENCE = 3.47 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/Art) AREA(ACRES) 1 i lZ+. 2s 15.45 2.600 .33 `- 5.04 2 6.55 Q.19 19 2.626 .49 3.416 3 3.47 15.19 2.626 .49 1.80 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ---------------------------------------------- i 20. i i5 10.24 � 2 221. L./V' i �L--.�. 16 3 20. 26 10. 16 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 20.26 TIME (MINUTES) = 15.194 EFFECTIVE AREA (Al RES) - 10.16 T 0 s AL AREA(ACRES) = 10.24 FLOW PROCESS FROM (MODE 16.10 TO NODE 315.00 IS CODE = 6 >>>>)COMPUTE STREETFLOW TRAVELTIME THRU SUEOREA<<<(<---------------------- UPb ( P{tH(YI LL.EV41 I UN = 1 i % o. 00 DOWNS T REHM ELEVATION STREET LENGTH(FEET) = 900.00 CURB HE I GTH (INCHES) =-$. STREET HALFW I DTH (FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBR EAK i •;TERIDR STREET CROSSFALL (LCC iMAL) = . 240 OUTSIDE STREET CROSSFALL(DECIMAL) = .GG�' ') L SPECIFIED NUMBER OF HALTS T BEETS CARRYING RUNOFF = j. ** � RAVEd T I MECOMPUTED USI Ng MEAN FLOW?CFS) CS) : i . EO _ MODEL RESULTS: NOTE. STREE i•FLOW EXCEEDS TGF` OF CURE{. Tr,E FOLLOWING STREETFLUW RESULTS ARE EASED ON THE ASSUMPTION THAT NEGLIELE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THA; i S. ALL FLOW ALONG THE PARKWAY, ETC., IS NE 'LECT ED. S ; R EET FLOWDEP T H (FEET) - .94 3T: SLODE 042 HHLt- S i REE I F LGODW I DTI; ( FEET") = 4.64Q _ t46- s6 '®rk AVERAGE FLOW VELOC::ITY(FEET/SEC.) = 7.71 /s PRODUCT OF DEPTi- &VELOCITY = 7.21 STREE T FoOW TRAVEL T IME (MIN) = 1.95 TC (MIN) - 17.0 Q_ 23-41'20'84 25 YEAR RAINFALL INTENSITY ( INCH/HOUR) = 2.443 Weary PKQY SOIL CLASSIFICATION IS "A" COMMERCIAL SUTAREA LOSS RATE. Frei ( INCH/HR) _ .0970 SUBAREA AREA (ACRES) = .69 SUBAREA RUNOFF (CFS) = 1.86 EFFECTIVE AREA(ACRES) 11.05 AVERAGED Fm ( INCH/HR) _ .365 T ITAL AREA (ACRES) = 11.13 PENN. FLOW RATE (CFS) = LO. 4L END OF SUBAREA ST'REETFLOW HYDRAULICS: DEPTH(FEET) = .91 HALFSTREET FLOODWID T'H (FEET) = 4.74 FLOW 'V'ELOC I T Y ( FEET / SEC.) = 7.77 DEPTH*VELOCITY = 7.08 I- --F i_OW-PROCESS -FROM------------'X--TG---------_ -----------------1------------ NODE 315-00 IS CODE ) ) > 0 DESIGNATE INDEPENDENT STREAM FOR CONFLUENT ;E < < < ( < ) 5 'r AND COMPUTE VARIOUS CGNFLUENCED STREAM VALUES < < < ( < --LU14rLGEN= ,c' VALUES -USED -CUR -INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 17.14 Ri lf,,FA,-" lNTENSI T Y (INCH. /HOUR) _ 2.44 EFFECTIVE STi=1r=.1=•lM AREA(ACRES) = 11.05 TOTAL STREAM AREA QCRE�,.s`') = i i. 13 PEAK FLOW RA T•E. ( CFS) AT CONFLUENCE - 20.46 CONPOJENCE INFORMATION: S ; REAm PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE (CFS) (MIN.) (INCH/HOUR) ( iN/HR) AREA(ACRES) ---------------------------------------------------------------- 2.46 17.14 2.443 .39 11.05 RAINFALL INTENSITY AND TIME OF CONCENTRATION RHTIG CONFLUENCE FORMjLA USED FOR 1 STREAMS. SUMMARY RESULTS: :S'; iREAm CONFLUENCE ' EFFECTIVE NUMBER Q(CFS) AR:_A (ACRES) ---------------------------------------------- i -_--..-------._...._.--.__.---_.-.....-------_.-----.,---- 1 20. 46 11.05 L:UMP6 I ED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE (CFS) = 20.46 TIME(MINUTES) = 17.14141 EFFECTIVE AREA (ACRES) - 11.05 TOTAL AREA (ACHES) - 11. Q END OF STUDY StlMhif-TRY'. Li i H- HRLH (AL; RES) EPPECT 1 VE AREA(ACRES) PEAK FLOW RATEMPS) CFS) — 20.46 i C_N;.i s.:F RATIONAL C'i,:_Tr+ui) ANALYSIS -----------.---..-.-..--...------.-.....-....- _--.....------....--.- ••----------•--..--- ----.. ----.--...------__......__..--.._._.._-_ ----....-._--_--.--..--,._....- •ie��••k•� •ic�••k•�•�•�E•i: �••�•si�•�•r-•�•r��•+i•�•�•s�•;��-•;r•��e••,r•ii•��•��••i��•;��i•�E•�•�:x•�•k•�•i�•-��•�#•�•�•+e•�•��••1��••3r•�•;e �e•��•�•�•�aE•-��i•�•�•+r•�•�•�•++•� Rri7I1:: NAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1966 SAN BERNARDINO CO. HYDROLOGY CRITERION) Cooyrignt !983.66,67 Advanced Engineering Software (nes) Ver-. 4.1C release Date: 5/11/87 Serial * 100908 Especialiy preoareo for% HALL & FOREMAN DESCRIPTION OF STUDY * EAST VILLAGE HYDROLOGY, LINE M LATERAL, LATERHL M! � * Q 23 YR k * VENKI. N, iN .-300-k20j 9/9/88 . # *•ie••x•* dr* 9r •)i••lf• * # #•�• �E-li-�•k •3E••1f•iF•lf••iE••!f• •3E• •k• •ii•iE••3e• •+i• •l6 iF•3�if•�f•�e••;f• •k •)f• �f• •if••lf••)t• •k •lE• •if- � -1F •k• # �3i• �E � •i(- 3e- •le• •k � •fE• •i�•3i� -�• •r• �i• •k •3E � � ii• -lE •�i• �E •�• i� FILE NAME: A: EVLATM 1. DAT TIME/DATE OF STUDY: 11: c 9/10/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- USE.;R SPECIFIED STORM EVENT (YEAR) = 25. 00 SPECIFIED MINIMUM PIPE SIMINCH) INCH) = 18.00 SPECIFIED PERCENT OF GRADIENT'S (DECIMAL) TO USE FOR FRICTION SLOPE = .35 5 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10—YEAR STORM 60 -MINUTE iNTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY ( INCH/HOUR) = 1.470 i COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 !-HOUR INTENSITY (I NCH/HOUR) = !.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 �•*•f;**ie••>f•�E•�e•�E•#•�E•>E�E�F•�i•if••�E••l�••k•�f•�F•>Eft•ieiEiF•��t•�F••li�Fie1i•iF�FiEit�f•�i•�•�t••�•kiF�E•9i•�E•�E•iF•IE••x•�F�E•�F•�af••ie•�F•�F•�f••3�-•�•��•#�: �•�••�•�•�•;� a��i•� FLOW PROCESS FROM NODE 359.00 TO NODE 359.11 IS CODE _ ---_------------------------------------------------------------------------- ^-> i >)) iKi-•i T i Unit-iL._METHOD INITIAL SUBAREA ANALYSi S < C < { <________-.•_______________ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL 0 5-7 DWELLINGS/ACRE -- --� rP-1B- 'ro ' mo N 'rt - y Sl -=J& AT-0 7 -Pr L R F -G- Pr TC = Kms• C (LENGT —i** 3.00)/(ELEVATION CHANGE)]** .20 � ' 0 1N171AL SUBAREA FLOW -LENGTH = 990. 00 UPSTREAM ELEVATION - 041. 60 FLOIAl 'r U 4� . r DOWNSTREAM ELEVATION = 1229.70 1�5'� �,- � �; _ f 2-4-404 ELEVATION DIFFERENCE = 11.90 4tr TC = . 389* E ( 990.00** 3. oo) / ( i1.90))** .20 = 14. 867 220. 25 YEAR RAINFALL INTENSITY ( INCH/HOUR) = 2.661 SOIL CLASSIFICATION IS "A'' X_ RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fra (I NCH / H R) = .4650 SUBAREA RUNOFF ( CFS) = 16.57 TOTAL_ AREA(ACRES) - 8.46 PEAK FLOW Rk T E: (CFS) - i6.57 MIO j- FLOW PROCESS FROM NODE 359.10 TO NUDE 359.10 IS CODE = i ---------------------___-________---_____-----__-_____________-______________ )))))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE TIME OF CONCENTRATION(MINUTES) = 14.67 rtr-1114r Ht_c.. 1IN 1 =INt71 I Y l 1-INI-,N. / 1-IUUK) = j:�. 6m EFFECTIVE STREAM AREA(ACRES) = 6.46 TOTAL STREAM AREA(ACRES) = 8.46 PEAK -LOW RATE ( CFS) AT CONFLUENLE = 0.57 FLOW PROCESS FROM NODE .:59. `O TO NODE 35i. io is COD! - ___ ____ --__-- )))))RATIONAL METHOD INITIAL SUBAREA ANALYSIS (< (< i _ DEVELOPMENT is SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE _-~-- T C = t;# (LENGTH## 3.00)/(ELEVATION CHANGE) J## .20 I N ):TIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1242.50 DOWNSTREAM ELEVATION = 1229.80 ELEVATION DIFFERENCE = 0.90 TC = . 389# Z ( 1 kl►G 0. k1lZH** 3.00)/( 12.900** . Lo = 14.717 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 0677 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF ( CFS) = 11.74 TOTAL AREA(ACRES) = 5.9t PEAT. FLOW RATE: (CFS) = 11.74 FLOW PROCESS FROM NODE ::59.10 TO NUDE 359.10 IS CODE _ ] -------------------------------------------------------_.------_------------- ) 0 > > DESIGNATE: INDEPENDENT STREAM FOR CONFLUiENCE < (< ( ( > >) > > AND COMPUTE VARIOUS CONF LUENCED STREAM VALUES < ((< < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENTRATION(MINUTES) = 14.72 RAINFALL INTENSITY (INCH./HOUR) 2.68 EFFECTIVE STREAM AREA(ACRES) = 5.95 TOTAL STREAM AREA(ACRES) = 5.95 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.74 CONI-LUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE N;..iMBER RATE (CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ---------------------------------------------------------------- 1 !E-,.57 14.8 7 2.661 661 . 49 8.4F, E 1 i . 74 14.72 2.677 .49 5. 95 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CGtd,^-LUENCE. Ei=FECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 28. 14.41 26.26 14.32 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = �G6 26 ^I IME (MINU-i ES) - 14.7i7 EFFECTIVE AREA(ACRES) = .ice+. 2 TOTAL AREA(ACRES) = 14.41 #•76•k#•!i•#•ii•##•lE#•�•#•!E•#ii•ii•�E•##�E••k••dE••li•####•14•##•3e•#di••iE•tiF•�i•##•ii•-!c•3E••3i••lE##•i!•##•li••ii••lF•iE•#�E•#•ii•�E#•3�••iE••i'E•#de••iE•#iE••iF##�E•#�i•�i•## FLOW PROCESS FROM NODE 359.10 TO NODE 360.10 IS CODE 3 _.--•-------.-.-----_-._---.--..-_--...-----•--._.-----------------------_- ------_--•--_.--.---_. >>>0 COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<(< )>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)(((<( 1JGr' i "ri Ur r LUW i N C!. SLI 1114 L, h t-' I Pa i=1. 1 l i"ICr-IG5 PIPEFLOW VELOCITY(FEET/SEC.) = 8.3 UPSTREAM NODE ELEVATION = 1229.60 DOWNSTREAM NODE ELEVATION = 1227.50 FLOWLENG T H (FE Ei) = 230.00 0 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = E7.00 NUMBER OF PIPES = 1 PIr't:.r=LOW THRU SUBAREA (CFS) - 28.26 TRAVEL T IME (MIN.) = .46 TC (MIN.) = iii. iEl ########•ti•###•it•#•*•#%yf••ii•###x•####•iE•#•it######•)k'#####•)E####i•#•ic##•3i••fi •3t•#•ii••#•r'. ###-3r#•ii•-li •3t•#•it 9k••fe•#�f••fi�-r r. # FLOW PROCESS FROM NODE 360. iO TO NODE 360.10 10 iS CODE = i ----------------------------------------------------------------------------- >) > >) DES; GiNATE INDEPENDENT STREAM FOR CONFLUENCE < < (( < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.18 RAINFALL INTENSITY (INCH./HOUR) = 2.63 EFFECTIVE STREAM AREA(ACRES) = 14.32 TOTAL STREAM AREA(ACRES) = 14.41 PEAK FLOW RATE(CFS) AT CONFLUENCE _ 28.26 ########•if•at•##•�E•####•�-###iE##x•##•)f••3t•#•�f•#####•iF#•34•#•x•#•#########•Yr#•if•#########•�9i•##•;E•##�E-#•x•�: •i�• FLOW PROCESS FROM NODE 350.10 TO NUDE 360.10 IS CODE = E ----------. ) >) > •) RA T I OiNAL METHOD INITIAL SUBAREA ANALYSIS < < (< ( DEVELOPMENT IS COMMERCIAL TC = K#[(LENGTH## 3.00)/(ELEVATION CHANGE)?** .20 INITIAL SUBAREA FLOW -LENGTH = 700.00 UPSTREAM REAM ELEVA TIOiN = 1230.60 DOWNSTREAM ELEVATION = 1227.50 ELEVATION DIFFERENCE = 3.30 TC = . 304# C ( 700.00** 3.00)/( 3.30)3** .20 = Q.06 1 6 25 YEAR RAINFALL INTENSITY(INCH%HOUR) 2.996 .r-_ ) n OIL CLASSIFICATION T IOiN IS "A" . i� 41 V/ Z', 1G COMMERCIAL SUBAREA LUSS RATE. Fm ( INCH/HR) _ .0970 � SUBAREA RUNOFF (CFS) - 2.35 TOTAL AREA(ACRES) = .90 PEAK FLOW RATE (CFS) = 2.35 FLOW PROCESS FROM NODE 360.iO TO NODE 360.10 IS CODE = 7 ----------------------------------------------------------------------------- > >) Q DES I GNA f E INDEPENDENT STREAM FOR CONFLUENCE < < < < < CONFLUENCE 'VALUES USED FOR INDEPENDENT STREAM E ARE: TIME O; ' CONCENTRATION(MINUTES) = 12.20 RAINFALL INTENSITY (INCH./HOUR) = 3.00 EFFECTIVE STREAM AREA(ACRES) _ .90 TOTAL STREAM AREA(ACRES) = .50 PEAT: FLOW RATE(CPS) AT CONFLUENCE = 2.35 FLOW PROCESS FROM NODE 315.30 30 TO NJDE 315.3i 1S CuDE - - ---------------------•-- > > >) > RA i I ONAL METHOD INITIAL SUBAREA AiNALYS I S (< (( ( DE'VELOP='MENT IS COMMERCIAL. C = K*Z (LENGTH## 3.00)/(ELEVATION CHANGE) ]*# .20 INITIAL SJBARE.A FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION 'LtuwNt) 1-MCHP'1 I=L -MVH 1 J.U04 = L:] ELEVATION DIFFERENCE = 11.55 TC = . 304* C ( 1000.00** 00)/( 11.55)3** .20 - 11.759 25 YEAR RAINFALL. !N i ENSI T Y ( INCH/HDUR) _3.063 SOIL CLASSIFICATION IS "A'' GUf+'iMcr CIAL SUBAREA LOSS RATE. Fm ( INCH/HR) SUBAREA RUNOFF(CFS) = 3.47 TOTAL AREA (ACRES) = 1.30 PEAK FLLW RA E (Z S) - 3.47 47 #•!E##•k•#•3e••Y:•tie•z•ie••DE••3F•##•3�••�•-�•3e3i•-k•aF•#iF•#••3@•if#it•-;f•#9t•##•1i•if'•it#•it•ir•�-•i�•�•#�i•#ii•#•k••k•�c-•3f••9F#•it••if•i; #�E••k••k•'r' ie••A-#-if^#ii-•sf••3rvr•1?••r' �:••s-�i FLOW PROCESS FROM NODE 05.31 TO NODE 360. .1.01 s coo G -------•-------------------' •-•------•---__-----------"-----------•------- ) )))) LOMPU7E STREETF'LOW TRAVELTIME THRU SUBAREA < < < ( ( UPSTREAM ELEVATION = 1250.25 DOWNSTREAM ELEVATION 1227.50 S 227.50STREET LENGTH(FEET) - 1680.00 CURS HEIGTH ( INCHES) = 8. STREET HALFWIDTH(FEET) = 24.00 DISTANCE FROM CROWN TO CROSSFALL GRIADEBREAK - 12.00 INTERIOR STREE I' CROSSFALL (DE C I MGL) _ . 240 G.JTSIDE STREET CROSSFALL (DECIMAL) = . 525 SPECIFIED NUMBER OF HALFS T RESTS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) _ STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) _ .55 HALFSTREET FLOODWIDTH(FEET) = 2.67 AVERAGE FLOW VELOCITY (FEET/ SEC.) = 5.35 PRODUCT OF DEPTH&VELOCITY = 2.95 S T REETFLOW T F2r'3VELTIME (MIN) = 5.23 TC(MIN) = 16.03 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.456 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA (ACRES) = 2.05 SUBAREA RUNOFF (CFS) EFFECTIVE AREA(ACRES) = 3.35 AVERAGED F m (INC; I/ Hid) - .097 TOTAL AREA (ACRES) = 3.35 PEAK FLOW RATE(CFS) = END OF SUBAREA S i RE.E7FLOW HYDRAULICS: DEPTH(FEET) STH (FEE -i) = .62 H ALFSTREET FLOODW I DTH ( FEET ) FLOW V E"OC I TY (FE.E T / SET:;.) = 5.66 DE PTH*VELOC:I TY = 5.65 2-3& 9 -�6 cis 4.L 3. 54.wo � %2 � r+ . ps - ##'ii'##•1f•#•ii••ir•ie•#'ii•'ii•'ii••}••iF�f'###•3f•#9f'#iF####•1!•#######•3F•#'•3F#ic#•iF#####•Yr#############•3i•###dk###*###•{c F"OW PROCESS FROM NODE 360.10 TO NUDE. 360.10 IS CODE ) I))) DES :i GNATE INDEPENDENT S -E REAM FOR CONFLUENCE (((i < ))))) AND COMr'i.iY E VARIOUS CO KFLU'ENCE.D STREAM VALUES < < (< < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 16.99 RAINFALL INTENSITY (INCH.iHOUR) = 2.45 EFFECTIVE STREAM AREA(ACRES) =3°15r TOTAL STREAM AREA (ACRES) = 3.35 PEAK FLOW RATE(CFS) AT CONFLUENCE = 7.11 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME. INTENSITY ;=M rr_ _ E EFFECTIVE ' U i •_IVL G NUMBER -------------------------------------------------------------- RATE (CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA (ACRES) 1 28.26 15.!8 2.626 .49 14. 32 2 2.35 0.20 2.996 . i o . 01 7.1i 16.99 2.456 .10 3.35 KH i lUr" HLI.. I V4 1 CMO i 1 Y HOW 1 I1L` Ur- l.l. NL,r N 1 PCH i I UN riH ! 1 U CONFLUENCE FORMULA USED FUR 3 STREAMS. SUMMARY RESULTS: STREAM CONPLUEI• CE EFFECTIVE NUMBER Q(CFs) AREA(ACRES) ------------------------------------------------ 2 35. 24 14. 6.. i J 35. 02 i8. 57 +. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOwS : PEAK FLOW RATE(CFS) = 37.13 "I IM (MINUTES) - 15.161 E 'rE:Cl IVE AREA(ACRES) = TOTAL AREA(ACRES) = 18.66 9i• •iE-lF• •ii• •ii••lE••�#-ie• yF•k •>r tit-•li• •�F• •)�••iE• •it• 3F •1e •lE•�E•-1E 9E••x• ie •ie• 9i••li• iF •k• •iF iE• # •)F �i• •iF •iE iF •k• •k• # •le•if••iE• 9i• •le••ie• •�i• •x••if••!i• •ii• •li•�6 iE• •li• •lt•-)t• •,!' •)s• 9t •le• �i• aE• �• •M• •if # •ii• r: #x• •k � •k FLOW PROCESS PROM NUDE 360.10 TO NODE 360, i0 15 CODE - > > > 0 DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE (< < < ( )> > > > A aD COMPUTE VARIOUS CONFLUENCED STREAM VALUES (< < ( < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I ARE: TIME OF CONCENTRATION (MINUTES) = 15.18 RAINFALL INTENSITY (I NCH. /HOUR) = 2.63 EFFEC 1 V E STREAM AREA(ACRES) = 1 S. &R 0l'AL STREAM AREA(ACRES) = 18.66 PEAK FLOW RATE(CFS) AT CONFLUENCE - 37.13 CONFLUENCE INFORMATION: STREAM _AM PEAK FLOW TIME. INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) --------------...._-------------____---_--_____---------_____-__- 1 37.13 15.18 2. 628 .40 18.22 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONE LUENCE EFFECTIVE NUMBER Q (CFS) AREA(ACRES) _-_-_-_.__-_.---------------------------------- 1 37.13 IS. 22 COM 'i T EU CONFLUENCE ESTIMATES ARE AS FOLLOWS PEAK FLOW RATE (CFS) = 37.13 TIME(MINUTES) EFFEC7VE AREA(ACRES) = 1& E2 TOTAL AREA(ACRES) = 18.66 ii••x •3E••ii• # #• •k # •Ji• •ir •�i--li• # # •Yc •iF ii• 9i• •le• •3E• •lt• if••!f• •if• •3F#•lf• •k•lF if• •k• # iF •if••3F• it••iE •3F •k •k •fi 9t• •3r�E•# •if• 9f••k• # �E• •iF• # ii• # •lr 3i• •ir •3i• i, -•3r •3�• •iE• •ii• •!i• •it if• •1b•)f• •34• •1i••liyt s• #;• it •r: FLOW PROCESS FROM NODE 360.00 TO NODE 360. i0 IS CODE _ '' --_-__-_-----__._-----....------------------------------------------------------ > ) > >) RA T'IONAL METHOD INITIAL SUBAREA ANALYSIS < (( ( DEVELOPMENT is SINGLE FAMILY RESIDENTIAL ->-5-7 DWELLINGS/ACRE TC = K* C ( LENGTH## 3.00)/(ELEVATION CHANGE) 7 ** .20 INITIAL SUBAREA FLOW -LENGTH = 770.00 UPSTREAM E�EVAT'ION = 1231.00 DOWNSTREAM ELEVATION = 1225.45 ELEVATION DIFFERENCE = 5.55 TC = . 369* C ( 770.00** 3.000 5.55)j** .20 25 YEAR RAINr=ALL INTENSI T'Y ( INCH/HOUR) _ 2.656 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm ( INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.28 TOTAL AREA(ACRES) _ 2.70 PEAK FLOW RATE(CFS) = 5.28 r -t. #•ii•######9E•9E•#•3f••lE•3F�F###9E•9F#•if•##�F•3F########if•9E#df•###•3F######•iFiF•1E•####^lE-•3Ejf••lE•######•lF#jF##•lF•iE#9f•iF# FLOW PROCESS FROM NUDE 380.10 TO MODE 380.20 IS CODE = 3 ---------------------------------------------------------------------------- >))>">COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(((<( >)>>>USING COMPUTER -ESTIMATED PIGESIZE (NON -PRESSURE FLOW)<<<<< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11. UPSTREAM NODE ELEVATION = 1227.40 DOWNSTREAM NODE ELEVATION = 12:25.00 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5.E8 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 14.55 FLOW PROCESS FROM NODE 360.20 TO NODE 360.80 IS CODE = i ------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.95 RAINFALL INTENSITY (INCH./HOUR) = 2.65 EFFECTIVE STREAM AREA(ACRES) = 2.70 TOTAL STREAM AREA(ACRES) = 2.70 PEAK. FLOW RATE(CFS) AT CONFLUENCE = 5.28 FLOW PROCESS FROM NODE 360.00 TO NODE 380.20 IS CODE _ ------------------------------------------------------------------------------ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<((<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE-==-_-_-__- TC = K* i ( LENGTH## 3.00)/(ELEVATION CHANGE)]** .20 1 I i IAL SUBAREA FLOW -LENGTH = 1020.00 UPSTREAM ELEVATION = 1;_31.00�_ S 28 t 2- 2-7 DOWNSTREAM ELEVATION = 1225. 00 7 5.y CPS ELEVATION DIFFERENCE = 6.00 TO = . 389# E ( 1050. 0o** 3.00)/( 6.00)3** .20 = 17.357 `5 YEAR RAINFALL IN -ENSITY(INCH/HOUR) = 2.425 SOIL CLASSIFICATION IS "All RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm (I NCH/HR) - .4850 SUBAREA RUNOFF(CFS) - 2.27 TOTAL AL AREA (ACRES) - 1.30 PEAK. FLOW RATE (CPS) -2.27 FLOW PROCESS FROM NODE 380.20 TO NODE 380.20 IS CUDE: = i -__---------------- > > >) > DESIGNATE 1 NDEPE NDENT• STREAM FOR CONFLUENCE((((( GOO LUENCE VALUES USED FOR a &DEPEND N t STREAM - 2 ARE: TIME Lir CONCENTRATION(MINUTES) = 17.36 Rt- INFA"L INTENSITY (INCH./HOUR) _ 2.42 EFFECTIVE STREAM AREA(ACRES) = 1.30 TOTAL STREAM AREA (i1i: RES) = 1.30 PEAK PLOW RATE(CFS) k T i= ONF LJENCE - 2.27 #•3i•-it#•ir####•3f•#•)f•#iF##•if-•iE#df•#�t•#tii••ii•#-1r#�t•�E•##3E•ic�E••s'c#•3F#•iE############•k••321E•k#•3F-k••3r#9i•#####•if•##•k �:-•ii••lE#•ir FLOW PROCESS FROM NODE 650.20 I O NODE 650.21 is CODE - > > > >) RATIONAL METHOD INITIAL SUBAREA ANALYSIS < (< < < i3EVELi.11='fic.f4T iS COMMERCIAL -__...._____.-------------_.---_•..__•...__________... TC = K* E (L.ENGTH** 3.00)/(ELEVATION CHANGE) J ** .20 INITIAL SUBAREA FLOW -LENGTH = 960.00 UPSTREAM E`EVATION =. 1246.00' DOWNSTREAM ELEVATION = 036.63 ELEVATION DIFFERENCE = i1.37 TO '_ 304*E( 960.00•;''* 3.00)/( 1.3/)3** .20 25 YEAR RAINFA"L !NTENSITY ( INCH/HOUR) - 3.102 SOIL CLASSIFICATION IS "A" COMMERCIA, SUBAREA LOSS RATE., Fm(INCH/Hct) - .0970 SUBAREA RUNOFF(CFE) 3.76 T 0 i AL AREA(ACRES) = 1.39 PEAK FLOW RATE(CFS) 3.76 #id•ii••�•##•it•ir###•k•#•1E#########•�#-)f•###dE••k•1F######•3EiE###•)E•#####•)E••�•##•iF########•if•Af•#####•iF#�c##it•Ai FLOW PROCESS FROM NODE 650.21 TO NUDE 29.00 IS CODE - 6 >) > >) COMPUTE STREETFLOW T RAVELTIME THRU SUBAREA < < (< ( --------_ __--- UPSTREAM REAM ELEVA , iON - i236.63 DOWNSTREAM ELEVATION 1225.22 STREET LENGTH (FEET) = 980.00 CURB HEIGTH ( INCHES) = S. STREET HALF W I D T H ( FEET) = 24.00 DISTANCE FROM CROWN TO CROSSFALL ORADEBREAK INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .525 SPECIFIED NUMBER OF HALFST•REE TS CARRYING RUNOFF = 1 I,• ##TRAVELTIME COMPUTED USING; MEAN FLOW (CFS) = 6.44 S T R EE T F LOW MODEL RESULTS: STREET FLOWDEPTH (FEET) _ .61 HALFSTBEET FLOODWIDTH(FEET) = 2.79 AVERAGE FLOW VELOCIT1( (FEET/SEC.) = 5.26 PRODUCT OF DEF'TH&VE:L.00ITY = 3.23 T REETFLOW TRAVELTIME (MIN) = 3.11 TC(MIN) - i4.62 25 YEAR RAINFALL INTENSITY• ( INCH/HOUR) _ 2.686 SOIL CLASSIFICATION 18 "All COMMERCIAL SUBAREA LUSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = 2.29 SUBAREA RUNOFF(CFS) = O. 3ti EFFECTIVE AREA(ACMES) - 3.58 AVERAGED w c!N1:Hi•HR) _ .097 TOTAL ~ 3.68 PEAK FLOW RATE(CFS) = `} GNU OF SUBAREA S T REE T FLUB: HYDRAULICS: DEPTH(FEET) = .7i HALFST• REE T FLO:ODW I DTH ( FEET)-• yy�- F"OW V`cLOCITY' EPEE T /SEC.) = 5.76 DEPTH#VELuCiTY-- 4.074l - FLOW .. 07 C_ FLOW PROCESS FROM NODE 29.00 TO NOME 3bo. `o is CODE _ 3 >) > > •) COMPUTE P I PEr LOW T RAVELT I ME THRU SUBAREA < (< ( ( ) >) T > USING COMPUTER -ESTIMATED PIrESIZE (NON -PRESSURE FLOW) < < (( < • Uti='Tt; OF FLOW IN 21.0 INi:;i-i PiPF. IS 15.a INCHES PIPEFLOW VELOCITY (FEET/SEC.) = 4.4 UPSTREAM NUDE ELEVATION = i225.22 DOWNSTREAM NODE ELEVATION - 1225.00 FLOWLENGTH ( FEET) = 60.00 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 7. P I PEF LOW THRU SUBAREA(CFS) = 6. 58 IlHvC:.L I AOr- cis LN. j = . E�) i (Lr iP'IlN. ) = .14. 64 •�'.t••3E••�•'tE�•fF#de••k�F##•iE•�°•it•)f••7�•�i••H••iE•##•ir#•1i••k•16.3f•ir#iF�f•###•)F•iF##96#9i••iF####•ii••if•#•)f•##9i•#•it#•)F•#: ##iF••k••�••k•#: •iir•#••�•#: •ic•�R'•,k•#ycy!• FLOW PROCESS FFryiDM NODE 380. cult TO NODE 360. no is CODE = c i ) ) 0 DES i GNA'R'L` INDEPENDENT STREAM r UR CONF LUk NNE ((< < ( ) Q) AND COMPUTE VARIOUS CON LUrENCED STREAM VALUES ((< ( < i-.'i.,t.Ii4{-L1.JC.iVi..; r-VALitcS USED FOR -INDEPENDENT -STREAM --3-AIEC.-•••---�`-•-_•----_•_.••^•-_�_• TIME O F CONCENTRATION(MINUTES) - 14.S4 RAINFALL INTENSITY (INCH./HOUR) - 2.66:1 EFFECTIVE STREAM AREA ( ACRES) = 3.68 70TAL STREAM AREA(ACRES) = 3.68 PEAK FLOW RATE (CFS) AT CONFLUENCE - 6.58 CONFLUENCE i NSORMA T I ON: STR EAm PEAK FLOW TIME INTENSITY FM EFFECTIVE __NU�Yii�CC{--_RATE(CFS) -- (MIN.) - ( INCH/HOUR) - ( iii/I•• R) -AREA (ACES) rtES } 1 5.26 14.93 2.652 .49 2. 70 L 2.27 17.36 2.425 .49 1.30 3 8.56 6 14.64 2.663 .10 3.68 RAINFALL INTENSITY AND TIME OF ' CONCENT RO T 104 RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESUL; S: STREAM CONFLUENCE EFFECTIVE NUMBER G(CFS) AREA(ACRES) Mol 7.50 14.78 7.6$ 0.03 03 7. 4-: COMP iTED CONFLUENCE ESTIMATES ARE AS FOLLOWS PEAK � F LOW RATE(CFS) = 16.03 TIME (MINUTES) = 14.844 EFFECTIVE AREA(ACRES) = 7.47 TOTAL AREA(ACRES) = 7.68 •x#�i•####ib•li•#x•###•#•######•>•#########•1F••DF•#iF•)E•######•lE•#•li•#•iF9E•#ai•#•lF###•;�•k•####4i•##ai•#•lii••k#•Di•##i�•#•k# FLOW PROCESS FROM NUDE 380.20 TO NODE 360. eO i5 CODE -- ))))) DESIa;`vA T E INDEPENDENT ,STREAM FOR CONFLUENCE < < < < < ) 4L COMPUTE VARIOUS A(1UW`. ONFLJ E4ED STREAM VALUES < ( (< < CONF LL. ENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) - 14.84 RAINFALL INTENSITY (I NCk. /HOU R) - 1.66 EFFECTIVE STREAM i• REA (ACRES) = 7.47 Tim T AL STREAM AREA(ACRES) = 7.66 PEAK FLOW RATE(CFS) AT CONFLUENCE - 16.03 CONFLUENCE INFORMATION STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (iN/HR) AREA(ACRES) --------------------------------------------------------------- 16. 03 14.84 2.663 .29 . i•- 47 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER GIQFS) AREA(ACRES) --------------------------------------------- i 16.03 7.47 COMPUTED CONT LUENTCE ESTIMATES ARE AS FOLLOWS h'CHIi t- i_U. y 1•(H 1 C k Ur b) = 1 E7. 0.5 1 1 ma k Int Nu 1 m I — 14.644 EFFECTIVEa(ACRES) - 7.47 TOTAL AREA (ACRES) — 7.618 ! --END —vim STUDY SUMMPRYt—_--------.__.:.._.---=—_°_--.—.__—_._....__...._._---_—_—_=•-----__.--_ Tu f At— AREA(ACRES) — 7.68 EF:'FE , I VE AREA(ACRES) = 7. 47 e='EAi'. FLOW RATE (CFS) = 16. 03 END lir RATIONAL IMETi—OD ANALYSIS # # #-if•is••ls•# •iE•## # ##•iE•#•ii••iE• iF ## # •Xr •iF•ti•## �'r # 3.t• # sic # # #•lE # •iF •ii ## iE• iE• •iF #-iEii• •)F iF it## # 9i• #•Ii• •'ti # # # 3e itic# # •'sett x iF •K deii• •'te• •i:'• � �; =;: RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference; 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) i..opyr1Llnt 1963. 66, 67 Advanced Engineering Software teles) 1) LATERAL 'M' HYDROLOGY b) 100 -YR. FREQUENCY RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************** * EAST VILLAGE HYDROLOGY, LATERAL M, FROM LINE L JCT Q 100 YR VENKI.N, JN 3810-020, 10/6/88 ************************************************************************** FILE NAME: A:EVLATM.DAT TIME/DATE OF STUDY: 17: 6 10/ 6/1988 ---------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --------------------- --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 OPE OF INTENSITY DURATION CURVE = .6000 FLOW PROCESS FROM NODE 300.20 TO NODE 195.10 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ----------------------------------------------------- ----- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1286.00 ,DOWNSTREAM ELEVATION = 1274.00 1ELEVATION DIFFERENCE = 12.00 TC = .389*[( 1000.00** 3.00)/( 12.00)]** .20 = 14.932 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.386 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 13.06 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 13.06 **************************************************************************** FLOW PROCESS FROM NODE 195.10 TO NODE 300.00 IS CODE = 6 - -------------------------------------------------------------------------- >>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ----------------------------- JPSTREAM ELEVATION = 1274.00 DOWNSTREAM ELEVATION = 1265.20 STREET LENGTH(FEET) = 1300.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .225 oECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.22 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = 1.05 HALFSTREET FLOODWIDTH(FEET) = 5.47 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.29 PRODUCT OF DEPTH&VELOCITY = 5.55 STREETFLOW TRAVELTIME(MIN) = 4.10 TC(MIN) = 19.03 loo Ik 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.928 � SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 3.78 SUBAREA RUNOFF(CFS) = 8.31 EFFECTIVE AREA(ACRES) = 8.78 �,, g # �) 3 D� _ AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 8.78 PEAK FLOW RATE(CFS) = 19.30 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 1.10 HALFSTREET FLOODWIDTH(FEET) = 5.68 FLOW VELOCITY(FEET/SEC.) = 5.48 DEPTH*VELOCITY = 6.02 ALONG I-OgCOLN, 0-0052 ATRfW 7sr�Z = 622-61 **************************************************************************** FLOW PROCESS FROM NODE 300.00 TO NODE 300.00 IS CODE = 1 •------------------------------------------------------------------------ >» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.03 RAINFALL INTENSITY (INCH./HOUR) = 2.93 EFFECTIVE STREAM AREA(ACRES) = 8.78 iTOTAL STREAM AREA(ACRES) = 8.78 PEAK FLOW RATE(CFS) AT CONFLUENCE = 19.30 ************************************************************************** FLOW PROCESS FROM NODE 300.30 TO NODE 300.31 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ---------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE, TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 980.00 UPSTREAM ELEVATION = 1290.50 DOWNSTREAM ELEVATION = 1277.20 ELEVATION DIFFERENCE = 13.30 TC = .389*[( 980.00** 3.00)/( 13.30)]** .20 = 14_.452 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.454 (SOIL CLASSIFICATION IS "A" iRESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 'BAREA RUNOFF(CFS) = 11.22 -_)TAL AREA(ACRES) = 4.20 PEAK FLOW RATE(CFS) = 11.22 **************************************************************************** FLOW PROCESS FROM NODE 300.31 TO NODE 300.00 IS CODE = 6 ---------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< --------------------------------------- UPSTREAM ELEVATION = 1277.20 DOWNSTREAM ELEVATION = 1265.20 ",TREET LENGTH(FEET) = 680.00 CURB HEIGTH(INCHES) = 6. 2REET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) _ .225 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 15.61 STREETFLOW MODEL RESULTS: - NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .83 HALFSTREET FLOODWIDTH(FEET) = 4.49 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.25 PRODUCT OF DEPTH&VELOCITY = 6.01 STREETFLOW TRAVELTIME(MIN) = 1.56 TC(MIN) = 16.01 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.247 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 3.53 SUBAREA RUNOFF(CFS) = 8.78 EFFECTIVE AREA(ACRES) = 7.73 e-8 maoo -s AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 7.73 PEAK FLOW RATE(CFS) = 19.22 TD OF SUBAREA STREETFLOW HYDRAULICS: --,EPTH(FEET) _ .89 HALFSTREET FLOODWIDTH(FEET) = 4.77 FLOW VELOCITY(FEET/SEC.) = 7.85 DEPTH*VELOCITY = 7.00 p'LDNG w,'4 CQLLnc gYEj /� ; O - O/0g, -(p/ yam 62-2-61 FLOW PROCESS FROM NODE 300.00 TO NODE 300.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.01 RAINFALL INTENSITY (INCH./HOUR) = 3.25 EFFECTIVE STREAM AREA(ACRES) = 7.73 TOTAL STREAM AREA(ACRES) = 7.73 PEAK FLOW RATE(CFS) AT CONFLUENCE = 19.22 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 19.30 19.03 2.928 .49 8.78 2 19.22 16.01 3.247 .49 7.73 RAINFALL INTENSITY CONFLUENCE FORMULA 'MMARY RESULTS: REAM CONFLUENCE NUMBER Q(CFS) - ------------------- 1 36.30 2 37.58 AND TIME OF CONCENTRATION RATIO USED FOR 2 STREAMS. EFFECTIVE AREA(ACRES) ---------------------- 16.51 15.12 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 37.58 TIME(MINUTES) = 16.015 EFFECTIVE AREA(ACRES) = 15.12 TOTAL AREA(ACRES) = 16.51 FLOW PROCESS FROM NODE 300.00 TO NODE ' 311.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.6 UPSTREAM NODE ELEVATION = 1265.20 DOWNSTREAM NODE ELEVATION = 1260.80 FLOWLENGTH(FEET) = 560.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 37.58 TRAVEL TIME(MIN.) = 1.09 TC(MIN.) = 17.10 FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.10 RAINFALL INTENSITY (INCH./HOUR) = 3.12 EFFECTIVE STREAM AREA(ACRES) = 15.12 TOTAL STREAM AREA(ACRES) = 16.51 .' AK FLOW RATE(CFS) AT CONFLUENCE = 37.58 FLOW PROCESS FROM NODE 310.20 TO NODE 310.21 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 830.00 UPSTREAM ELEVATION = 1276.50 DOWNSTREAM ELEVATION = 1265.65 ELEVATION DIFFERENCE = 10.85 TC = .389*[( 830.00** 3.00)/( 10.85)]** .20 = 13.624 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.578 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 14.06 TOTAL AREA(ACRES) = 5.05 PEAK FLOW RATE(CFS) = 14.06 FLOW PROCESS FROM NODE 310.21 TO NODE 311.00 IS CODE = 6 --------------------------------------------------------------------------- »>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ------------------------------------------- ELEVATION = 1265.65 DOWNSTREAM ELEVATION = 1260.80 STREET LENGTH(FEET) = 520.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 14.86 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .90 HALFSTREET FLOODWIDTH(FEET) = 4.70 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.77 PRODUCT OF DEPTH&VELOCITY = 5.19 STREETFLOW TRAVELTIME(MIN) = 1.50 TC(MIN) = 15.13 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.360 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = .55 SUBAREA RUNOFF(CFS) = 1.62 EFFECTIVE AREA(ACRES) = 5.60 14 AVERAGED Fm ( INCH/HR) _ .447 C, B TOTAL AREA(ACRES) = 5.60 PEAK FLOW RATE(CFS) = 14.68 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .90 HALFSTREET FLOODWIDTH(FEET) = 4.70 FLOW VELOCITY(FEET/SEC.).= 5.70 DEPTH*VELOCITY = 5.13 2-2 ALON& Lit4COLN A: -n052 h 6 -61 i '7 Qi /y FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 - •-------------------------------------------------------------------------- ` >>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< -------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.13 RAINFALL INTENSITY (INCH./HOUR) = 3.36 EFFECTIVE STREAM AREA(ACRES) = 5.60 TOTAL STREAM AREA(ACRES) = 5.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.68 FLOW PROCESS FROM NODE 310.10 TO NODE 311.00 IS CODE = 2 --•-------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ---------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 600.00 UPSTREAM ELEVATION = 1274.00 DOWNSTREAM ELEVATION = 1260.50 ELEVATION DIFFERENCE = 13.50 TC = .389*[( 600.00** 3.00)/( 13.50)]** .20 = 10.734 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.128 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 10.16 `TAL AREA(ACRES) = 3.10 PEAK FLOW RATE(CFS) = 10 C $ Mot AONC) L11Y 6�4-ty 00 '52- P -/H 6 2 2:S)' FLOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 -•--------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< --------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 10.73 `-':AINFALL INTENSITY (INCH./HOUR) = 4.13 ..ZFECTIVE STREAM AREA(ACRES) = 3.10 TOTAL STREAM AREA(ACRES) = 3.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 10.16 FLOW PROCESS FROM NODE 310.30 TO NODE 310.23 IS CODE= 2 ----------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------------ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 830.00 UPSTREAM ELEVATION = 1276.50 DOWNSTREAM ELEVATION = 1266.30 ELEVATION DIFFERENCE = 10.20 TC = .389*[( 830.00** 3.00)/( 10.20)]** .20 = 13.794 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.551 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 14.32 TOTAL AREA(ACRES) = 5.19 PEAK FLOW RATE(CFS) = 14.32 **************************************************************************** FLOW PROCESS FROM NODE ' 310.23 TO NODE 311.00 IS CODE = 6 :------------------------------------------------------------------------- _ >>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< -- ------------------------------ UPSTREAM ELEVATION = 1266.30 DOWNSTREAM ELEVATION = 1260.80 STREET LENGTH(FEET) = 520.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 14.92 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .87 HALFSTREET FLOODWIDTH(FEET) = 4.60 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.06 PRODUCT OF DEPTH&VELOCITY = 5.30 STREETFLOW TRAVELTIME(MIN) = 1.43 TC(MIN) = 15.22 ;Z� �NN1-L/ N 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.347 SOIL CLASSIFICATION IS "A" )MMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 --�JBAREA AREA(ACRES) _ .41 SUBAREA RUNOFF(CFS) _ EFFECTIVE AREA(ACRES) = 5.60 AVERAGED Fm(INCH/HR) _ .457 TOTAL AREA(ACRES) = 5.60 PEAK FLOW RATE(CFS) _ END OF SUBAREA STREETFLOW HYDRAULICS: '/�' °1 QLONG 426•F? C �-/ w 1.20� OI -13 c.a. M3 14.57 DEPTH(FEET) _ .86 HALFSTREET FLOODWIDTH(FEET) = 4.55 FLOW VELOCITY(FEET/SEC.) = 6.05 DEPTH*VELOCITY = 5.22 SOW PROCESS FROM NODE 311.00 TO NODE 311.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION(MINUTES) = 15.22 RAINFALL INTENSITY (INCH./HOUR) = 3.35 EFFECTIVE STREAM AREA(ACRES) = 5.60 TOTAL STREAM AREA(ACRES) = 5.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.57 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER. ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 37.58 17.10 3.122 .49 15.12 2 14.68 15.13 3.360 .45 5.60 3 10.16 10.73 4.128 .49 3.10 4 14.57 15.22 3.347 .46 5.60 RAINFALL INTENSITY AND.TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 4 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) •------------------------------------------- 1 71.85 29.42 2 73.50 27.64 3 68.97 20.51 4 73.49 27.76 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 73.50 TIME(MINUTES) = 15.126 EFFECTIVE AREA(ACRES) = 27.64 TOTAL AREA(ACRES) = 30.81 FLOW PROCESS FROM NODE 311.00 TO NODE 315.02 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------------------------ DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.7 UPSTREAM NODE ELEVATION = 1260.80 DOWNSTREAM NODE ELEVATION = 1256.53 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 73.50 TRAVEL TIME(MIN.) = 1:03 TC(MIN.) = 16.16 •OW PROCESS FROM NODE 315.02 TO NODE 315.02 IS CODE = 1 --,_------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< --------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.16 RAINFALL INTENSITY (INCH./HOUR) = 3.23 EFFECTIVE STREAM AREA(ACRES) = 27.64 TOTAL STREAM AREA(ACRES) = 30.81 PEAK FLOW RATE(CFS) AT CONFLUENCE = 73.50 FLOW PROCESS FROM NODE 315.10 TO NODE 315.01 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< --------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 850.00 UPSTREAM ELEVATION = 1270.20 DOWNSTREAM ELEVATION = 1258.07 ELEVATION DIFFERENCE = 12.13 TC = .389*[( 850.00** 3.00)/( 12.13)]** .20 = 13.515 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.595 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 16.68 TOTAL AREA(ACRES) = 5.96 PEAK FLOW RATE(CFS) = 16.68 FLOW PROCESS FROM NODE 315.01 TO NODE 315.02 IS CODE = 6 •-------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1258.07 DOWNSTREAM ELEVATION = 1256.53 'REET LENGTH(FEET) = 240.00 CURB HEIGTH(INCHES) = 8. :_rREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 16.68 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = 1.02 HALFSTREET FLOODWIDTH(FEET) = 5.16 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.25 PRODUCT OF DEPTH&VELOCITY = 5.36 STREETFLOW TRAVELTIME(MIN) = .76 TC(MIN) = 14.28 L/hy cbl-N 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.479 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) EFFECTIVE AREA(ACRES) = 5.96 AVERAGED Fm(INCH/HR) _ .485 "TAL AREA(ACRES) = 5.96 PEAK FLOW RATE(CFS) = -w_.dD OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 1.02 HALFSTREET FLOODWIDTH(FEET) _ FLOW VELOCITY(FEET/SEC.) = 5.25 DEPTH*VELOCITY = AZDNC .00 16.68 5.16 5.36 622-6( **************************************************************************** FLOW PROCESS FROM NODE 315.02 TO NODE 315.02 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< JNFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.28 RAINFALL INTENSITY (INCH./HOUR) = 3.48 EFFECTIVE STREAM AREA(ACRES) = 5.96 TOTAL STREAM AREA(ACRES) = 5.96 PEAK FLOW RATE(CFS) AT CONFLUENCE = 16.68 FLOW PROCESS FROM NODE 315.12 TO NODE 315.02 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ---------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 790.00 UPSTREAM ELEVATION = 1269.60 DOWNSTREAM ELEVATION = 1256.53 ELEVATION DIFFERENCE = 13.07 TC = .389*[( 790.00** 3.00)/( 13.07)]** .20 = 12.743 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.724 SOIL CLASSIFICATION IS "Al' RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 11.95 TOTAL AREA(ACRES) = 4.10 PEAK FLOW RATE(CFS) = 11.95 /, Lt) NG La N C:ot-rl C 6- # M 303 FLOW PROCESS FROM NODE 315.02 TO NODE 315.02 IS CODE = 1 .-------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.74 RAINFALL INTENSITY (INCH./HOUR) = 3.72 EFFECTIVE STREAM AREA(ACRES) = 4.10 TOTAL STREAM AREA(ACRES) = 4.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.95 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER -------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 73.50 16.16 3.230 .47 27.64 2 16.68 14.28 3.479 .49 5.96 3 11.95 12.74 3.724 .49 4.10 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER - ----------------------------------------- Q(CFS) AREA(ACRES) ___ 1 98.92 37.70 2 98.54 34.48 3 96.42 31.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 98.92 TIME(MINUTES) = 16.155 EFFECTIVE AREA(ACRES) = 37.70 TOTAL AREA(ACRES) = 40.87 k--************************************************************************* _jOW PROCESS FROM NODE 315.02 TO NODE 315.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ---------------------------- DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.3 UPSTREAM NODE ELEVATION = 1256.53 DOWNSTREAM NODE ELEVATION = 1255.50 FLOWLENGTH(FEET) = 260.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 98.92 TRAVEL TIME(MIN.) = .52 TC(MIN.) = 16.68 FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.68 RAINFALL INTENSITY (INCH./HOUR) = 3.17 EFFECTIVE STREAM AREA(ACRES) = 37.70 TOTAL STREAM AREA(ACRES) = 40.87 PEAK FLOW RATE(CFS) AT CONFLUENCE = 98.92 FLOW PROCESS FROM NODE 315.13 TO NODE 315.00 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------------------_ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 560.00 UPSTREAM ELEVATION = 1265.50 DOWNSTREAM ELEVATION = 1255.50 ELEVATION DIFFERENCE =-1-0-:00 TC = .389*[( 560.00** 3.00)/( 10.00)]** .20 = 10.936 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.082 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 8.42 TOTAL AREA(ACRES) = 2.60. PEAK FLOW RATE(CFS) _ FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ---------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 -ARE: 'ME OF CONCENTRATION(MINUTES) = 10.94 --.AINFALL INTENSITY (INCH./HOUR) = 4.08 EFFECTIVE STREAM AREA(ACRES) = 2.60 TOTAL STREAM AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.42 FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 7 .----=--------------------------------------------------------------------- >»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 16.98 RAIN INTENSITY(INCH/HOUR) = 3.14 EFFECTIVE AREA(ACRES) = 11.11 TOTAL AREA(ACRES) = 11.13 PEAK FLOW RATE(CFS) = 27.51 AVERAGED LOSS RATE, FM(IN/HR) _ .390 To TA L C0 N F)_ Ur- N CGS Q : 3-9-7/ CFS C- S _ 3� T FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 16.98 RAINFALL INTENSITY (INCH./HOUR) = 3.14 EFFECTIVE STREAM AREA(ACRES) = 11.11 TOTAL STREAM AREA(ACRES) = 11.13 PEAK FLOW RATE(CFS) AT CONFLUENCE = 27.51 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------ RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 98.92 16.68 3.169 .48 37.70 2 8.42 10.94 4.082 .49 2.60 3 27.51 16.98 3.135 .39 11.11 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS). AREA(ACRES) - ------------------------------------------- 1 132.56 51.21 2 119.11 34.48 3 131.38 51.41 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 132.56 TIME(MINUTES) = 16.677 EFFECTIVE AREA(ACRES) = 51.21 TOTAL AREA(ACRES) = 54.60 FLOW PROCESS FROM NODE 315.00 TO NODE 326.10 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------------------- DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.3 UPSTREAM NODE ELEVATION = 1255.50 DOWNSTREAM NODE ELEVATION = 1236.10 -OWLENGTH(FEET) = 1200.00 MANNINGS N = .013 �_'_*TIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 132.56 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 17.98 **************************************************************************** FLOW PROCESS FROM -NODE 326.10 TO NODE 326.10 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< .'.JNFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.98 RAINFALL INTENSITY (INCH./HOUR) = 3.03 EFFECTIVE STREAM AREA(ACRES) = 51.21 TOTAL STREAM AREA(ACRES) = 54.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 132.56 FLOW PROCESS FROM NODE 322.10 TO NODE 315.00 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< -------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1260.91 DOWNSTREAM ELEVATION = 1255.50 ELEVATION DIFFERENCE = 5.41 TC = .389*[( 1000.00** 3.00)/( 5.41)]** .20 = 17.511 100 -YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.078 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 13.37 TOTAL AREA(ACRES) = 5.73 PEAK FLOW RATE(CFS) = 13.37 FLOW PROCESS FROM NODE 315.00 TO NODE 326.10 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ----------------------------- UPSTREAM ELEVATION = 1255.50 DOWNSTREAM ELEVATION = 1236.10 STREET LENGTH(FEET) = 1210.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) _ .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 14.97 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .80 HALFSTREET FLOODWIDTH(FEET) = 4.32 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.01 PRODUCT OF DEPTH&VELOCITY = 5.62 STREETFLOW TRAVELTIME(MIN) = 2.88 TC(MIN) = 20.39 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.809 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = 1.31 SUBAREA RUNOFF(CFS) = 3.20 EFFECTIVE AREA(ACRES) = 7.04 AVERAGED Fm(INCH/HR) _ .413 TOTAL AREA(ACRES) = 7.04 PEAK FLOW RATE(CFS) = 15.18 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .80 HALFSTREET FLOODWIDTH(FEET) = 4.32 'SOW VELOCITY(FEET/SEC.) = 7.11 DEPTH*VELOCITY = 5.70 e, a * M305 FLOW PROCESS FROM NODE 326.10 TO NODE 326.10 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 20.39 RAINFALL INTENSITY (INCH./HOUR) = 2.81 EFFECTIVE STREAM AREA(ACRES) = 7.04 TOTAL STREAM AREA(ACRES) = 7.04 PEAK FLOW RATE(CFS) AT CONFLUENCE = 15.18 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 132.56 17.98 3.029 .46 51.21 2 15.18 20.39 2.809 .41 7.04 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. - SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ------------------------------------------ 1 147.18 57.42 2 136.41 58.25 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 147.18 TIME(MINUTES) = 17.982 EFFECTIVE AREA(ACRES) = 57.42 TOTAL AREA(ACRES) = 61.64 FLOW PROCESS FROM NODE 326.10 TO NODE 326.10 IS CODE = 1 •-------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.98 RAINFALL INTENSITY (INCH./HOUR) = 3.03 EFFECTIVE STREAM AREA(ACRES) = 57.42 TOTAL STREAM AREA(ACRES) = 61.64 PEAK FLOW RATE(CFS) AT CONFLUENCE = 147.18 FLOW PROCESS FROM NODE 325.00 TO NODE 325.10 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< --------------------- 'VELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 500.00 UPSTREAM ELEVATION = 1259.00 DOWNSTREAM ELEVATION = 1251.00 ELEVATION DIFFERENCE = 8.00 TC = .412*[( 500.00** 3.00)/( 8.00)]** .20 = 11.315 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.000 SOIL CLASSIFICATION IS "A" ,SIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5820 1BAREA RUNOFF(CFS) = 21.53 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 21.53 FLOW PROCESS FROM NODE 325.10 TO NODE 326.10 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< -------------------------------- DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.2 UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1236.10 FLOWLENGTH(FEET) = 420.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 21.53 TRAVEL TIME(MIN.) = .53 TC(MIN.) = 11.84 FLOW PROCESS FROM NODE 326.00 TO NODE 326.10 IS CODE = 8 ---------------------------------------------------------------------------- »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.891 SOIL CLASSIFICATION IS "A" SIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5820 -JBAREA AREA(ACRES) = 6.80 SUBAREA RUNOFF(CFS) = 20.25 EFFECTIVE AREA(ACRES) = 13.80 41-j AVERAGED Fm(INCH/HR) _ .582 I:O� I 13.E 2' 98. TOTAL AREA(ACRES) = 13.80 PEAK FLOW RATE(CFS) = 41.10 TC (MINS) = S � ' wFNcH- .P" t'U rN la C, co �s P Tu Tt Q F 9 = /4- -3 cps FO X C- 6 0 5. Sr 7- 1,N . FLOW PROCESS FROM NODE 326.10 TO NODE 326.10 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< --------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.84 RAINFALL INTENSITY (INCH./HOUR) = 3.89 EFFECTIVE STREAM AREA(ACRES) = 13.80 TOTAL STREAM AREA(ACRES) = 13.80 PEAK FLOW RATE(CFS) AT CONFLUENCE = 41.10 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------- 1 147.18 17.98 3.029 .45 57.42 2 41.10 11.84 3.891 .58 13.80 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 177.57 71.22 2 170.49 51.62 -'IMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: EAK FLOW RATE(CFS) = 177.57 TIME(MINUTES) = 17.982 EFFECTIVE AREA(ACRES) = 71.22 TOTAL AREA(ACRES) = 75.44 FLOW PROCESS FROM NODE 326.10 TO NODE 330.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 43.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.1 UPSTREAM NODE ELEVATION = 1236.10 DOWNSTREAM NODE ELEVATION = 1234.50 FLOWLENGTH(FEET) = 220.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 177.57 TRAVEL TIME(MIN.) = .30 TC(MIN.) = 18.28 **************************************************************************** FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< __CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: 'ME OF CONCENTRATION(MINUTES) = 18.28 .,AINFALL INTENSITY (INCH./HOUR) = 3.00 EFFECTIVE STREAM AREA(ACRES) = 71.22 TOTAL STREAM AREA(ACRES) = 75.44 PEAK FLOW RATE(CFS) AT CONFLUENCE = 177.57 FLOW PROCESS FROM NODE 330.20 TO NODE 330.00 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ---------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1253.20 DOWNSTREAM ELEVATION = 1234.50 ELEVATION DIFFERENCE = 18.70 TC = .389*[( 1000.00** 3.00)/( 18.70)]** .20 = 13.664 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.572 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 7.22 TOTAL AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) = 7.22 c. 8. M306 _._,OW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 - •-------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.66 RAINFALL INTENSITY (INCH./HOUR) = 3.57 EFFECTIVE STREAM AREA(ACRES) = 2.60 TOTAL STREAM AREA(ACRES) = 2.60 7AK FLOW RATE(CFS) AT CONFLUENCE = 7.22 FLOW PROCESS FROM NODE 330.10 TO NODE 330.00 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< - ----------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 750.00 UPSTREAM ELEVATION = 1243.10 DOWNSTREAM ELEVATION = 1234.50 ELEVATION DIFFERENCE = 8.60 TC = .389*[( 750.00** 3.00)/( 8.60)]** .20 = 13.430 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.609 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.62 TOTAL AREA(ACRES) = 2.00 PEAK FLOW RATE(CFS) = 5.62 *************************************************************************** FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE= 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< -------------------------------------- •)NFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: -IME OF CONCENTRATION(MINUTES) = 13.43 RAINFALL INTENSITY (INCH./HOUR) = 3.61 EFFECTIVE STREAM AREA(ACRES) = 2.00 TOTAL STREAM AREA(ACRES) = 2.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 5.62 FLOW PROCESS FROM NODE 340.21 TO NODE 340.02 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< -------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 630.00 UPSTREAM ELEVATION = 1253.20 DOWNSTREAM ELEVATION = 1243.75 ELEVATION DIFFERENCE = 9.45 TC = .389*[( 630.00** 3.00)/( 9.45)]** .20 = 11.870 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.886 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 1SUBAREA RUNOFF(CFS) = 4.84 TOTAL AREA(ACRES) = 1.58 PEAK FLOW RATE(CFS) = 4.84 FLOW PROCESS FROM NODE 340.02 TO NODE 330.00 IS CODE = 6 •-------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1243.75 DOWNSTREAM ELEVATION = 1234.50 STREET LENGTH(FEET) = 480.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 _STANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 _4TERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .225 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 6.66 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .56 HALFSTREET FLOODWIDTH(FEET) = 3.29 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.01 PRODUCT OF DEPTH&VELOCITY = 3.37 STREETFLOW TRAVELTIME(MIN) = 1.33 TC(MIN) = 13.20 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.646 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 1.28 SUBAREA RUNOFF(CFS) = 3.64 EFFECTIVE AREA(ACRES) = 2.86 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 2.86 PEAK FLOW RATE(CFS) = 8.14 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLOODWIDTH(FEET) 3.50 FLOW VELOCITY(FEET/SEC.) = 6.41 DEPTH*VELOCITY = 3.89 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 ------------------------- : INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION(MINUTES) = 13.20 RAINFALL INTENSITY (INCH./HOUR) = 3.65 EFFECTIVE STREAM AREA(ACRES) = 2.86 TOTAL STREAM AREA(ACRES) = 2.86 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.14 FLOW PROCESS FROM NODE 330.30 TO NODE 330.00 IS ---------------------------------------------------------------------------- CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 Q' 7,2-2- OR Te 5-6Z Co T�=13--13 UPSTREAM ELEVATION = 1243.00 IR- /4 G� Tc DOWNSTREAM ELEVATION = 1234.50 ELEVATION DIFFERENCE = 8.50 �1'7 .389*[( 1000.00** 3.00)/( 8.50)]** .20 = 15.998 - -100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.249 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF( -CFS) = 6.17 TOTAL AREA(ACRES) = 2.48 PEAK FLOW RATE(CFS) = 6.17 -j'0"/A L- Coryat)-cN e4:D Q _ 2 6-7$cFS G . 23 M386 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 >>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 5 ARE: TIME OF CONCENTRATION(MINUTES) = 16.00 RAINFALL INTENSITY (INCH./HOUR) = 3.25 EFFECTIVE STREAM AREA(ACRES) = 2.48 TOTAL STREAM AREA(ACRES) = 2.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.17 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER _------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 177.57 18.28 2.999 .48 71.22 2 7.22 13.66 3.572 .49 2.60 3 5.62 13.43 3.609 .49 2.00 4 8.14 13.20 3.646 .48 2.86 5 6.17 16.00 3.249 .49 2.48 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 5 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER --------------------------------------------- Q(CFS) AREA(ACRES) 1 200.06 81.16 2 189.45 62..80 - 3 188.68 61.81 4 187.82 60.80 5 195.52 72.25 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 200.06 TIME(MINUTES) = 18.284 EFFECTIVE AREA(ACRES) = 81.16 TOTAL AREA(ACRES) = 85.38 FLOW PROCESS FROM NODE 330.00 TO NODE 340.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 37.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.8 UPSTREAM NODE ELEVATION = 1234.50 DOWNSTREAM NODE ELEVATION = 1233.40 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 200.06 TRAVEL TIME(MIN.) = .04 TC(MIN.) = 18.33 ,OW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = 1 --------------------------------------------------------------------------- '-»>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< -------------------------------------- 'NFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: IE OF CONCENTRATION(MINUTES) = 18.33 RAINFALL INTENSITY (INCH./HOUR) = 2.99 EFFECTIVE STREAM AREA(ACRES) = 81.16 TOTAL STREAM AREA(ACRES) = 85.38 PEAK FLOW RATE(CFS) AT CONFLUENCE = 200.06 FLOW PROCESS FROM NODE 340.22 TO NODE 340.22 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------------ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 850.00 UPSTREAM ELEVATION = 1255.50 DOWNSTREAM ELEVATION = 1243.75 ELEVATION DIFFERENCE = 11.75 TC = .389*[( 850.00** 3.00)/( 11.75)]** .20 = 13.602 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.581 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.60 TOTAL AREA(ACRES) = 2.01 PEAK FLOW RATE(CFS) = 5.60 **************************************************************************** FLOW PROCESS FROM NODE 340.02 TO NODE 340.00 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< -------------------------------- UPSTREAM ELEVATION = 1243.75 DOWNSTREAM ELEVATION = 1233.40 GREET LENGTH(FEET) = 530.00 CURB HEIGTH(INCHES) = 6. _fREET HALFWIDTH(FEET) = 18.00 (DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .225 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.45 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .59 HALFSTREET FLOODWIDTH(FEET) = 3.43 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.14 PRODUCT OF DEPTH&VELOCITY = 3.63 STREETFLOW TRAVELTIME(MIN) = 1.44 TC(MIN) = 15.04 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.372 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 1.42 SUBAREA RUNOFF(CFS) = 3.69 EFFECTIVE AREA (ACRES ) = 3.43 AVERAGED Fm(INCH/HR) _ .485 )TAL AREA(ACRES) = 3.43 PEAK FLOW RATE(CFS) = 8.91 ___4D OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .64 HALFSTREET FLOODWIDTH(FEET) = 3.64 SLOW VELOCITY(FEET/SEC.) = 6.45 DEPTH*VELOCITY = 4.12 FLOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< JNFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.04 RAINFALL INTENSITY (INCH./HOUR) = 3.37 EFFECTIVE STREAM AREA(ACRES) = 3.43 TOTAL STREAM AREA(ACRES) = 3.43 PEAK FLOW RATH(CFS) AT CONFLUENCE = 8.91 FLOW PROCESS FROM NODE 340.10 TO NODE 340.00 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE ' TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 Q UPSTREAM ELEVATION = 1240.70 4, DOWNSTREAM ELEVATION = 1233.40 ELEVATION DIFFERENCE = 7.30 TC = .389*[( 1000.00** 3.00)/( 7.30)]** .20 = 16.492 100 YEAR RAINFALL INTENSITY(INCH/HOUR)- = 3.190 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 6.94 TOTAL AREA(ACRES) = 2.85 PEAK FLOW RATE(CFS) = 6.94 70TA1- 15- 66 OZ C7. B t- t,1507 FLOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = 1 ---------------------------------------------------------- ---------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ---------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 16.49 RAINFALL INTENSITY (INCH./HOUR) = 3.19 EFFECTIVE STREAM AREA(ACRES) = 2.85 TOTAL STREAM AREA(ACRES) = 2.85 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.94 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 200.06 18.33 2.995 .48 81.16 2 8.91 15.04 3.372 .49 3.43 3 6.94 16.49 3.190 .48 2.85 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ------------------------------------------ 1 214.24 87.44 2 204.45 72.63 3 209.32 79.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 214.24 TIME(MINUTES) _ 18.329 EFFECTIVE AREA(ACRES) = 87.44 TOTAL AREA(ACRES) = 91.66 ..-,OW PROCESS FROM NODE 340.00 TO NODE 341.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ---------------------------------------- DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.4 UPSTREAM NODE ELEVATION = 1233.40 DOWNSTREAM NODE ELEVATION = 1230.40 FLOWLENGTH(FEET) = 210.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 214.24 TRAVEL TIME(MIN.) = .21 TC(MIN.) = 18.54 ************************************************************************** FLOW PROCESS FROM NODE 341.00 TO NODE 341.00 IS CODE = 1 -------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.54 RAINFALL INTENSITY (INCH./HOUR) = 2.97 EFFECTIVE STREAM AREA(ACRES) = 87.44 TOTAL STREAM AREA(ACRES) = 91.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 214.24 FLOW PROCESS FROM NODE 350.20 TO NODE 350.12 IS CODE = 2 - -------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------------------------ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 960.00 UPSTREAM ELEVATION = 1255.50 DOWNSTREAM ELEVATION = 1239.80 ELEVATION DIFFERENCE = 15.70 TC = .389*[( 960.00** 3.00)/( 15.70)]** .20 = 13.808 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.549 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 8.00 TOTAL AREA(ACRES) = 2.90 PEAK FLOW RATE(CFS) = 8.00 FLOW PROCESS FROM NODE 350.12 TO NODE 341.00 IS CODE = 6 - -----------------------------------=-------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ------------------------------- UPSTREAM ELEVATION = 1239.80 DOWNSTREAM ELEVATION = 1230.70 .'REET LENGTH(FEET) = 555.00 CURB HEIGTH(INCHES) = 8. yREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .325 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 9.93 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .68 HALFSTREET FLOODWIDTH(FEET) = 3.48 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.43 PRODUCT OF DEPTH&VELOCITY = 4.36 STREETFLOW TRAVELTIME(MIN) = 1.44 TC(MIN) = 15.25 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.344 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 1.50 SUBAREA RUNOFF(CFS) = 3.86 EFFECTIVE AREA(ACRES) = 4.40 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 4.40 PEAK FLOW RATE(CFS) = 11.32 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .72 HALFSTREET FLOODWIDTH(FEET) = 3.62 FLOW VELOCITY(FEET/SEC.) = 6.64 DEPTH*VELOCITY = 4.81 G_ g.' ' "3oa **************************************************************************** FLOW PROCESS FROM NODE 341.00 TO NODE 341.00 IS CODE = 1 ..-------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< -)NFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: _IME OF CONCENTRATION(MINUTES) = 15.25 RAINFALL INTENSITY (INCH./HOUR) = 3.34 EFFECTIVE STREAM AREA(ACRES) = 4.40 TOTAL STREAM AREA(ACRES) = 4.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.32 FLOW PROCESS FROM NODE 350.10 TO NODE 350.11 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------------------------ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1240.50 DOWNSTREAM ELEVATION = 1232.40 ELEVATION DIFFERENCE = 8.10 TC = .389*[( 1000.00** 3.00)/( 8.10)]** .20 = 16.153 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.230 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.81 TOTAL AREA(ACRES) = 2.35 PEAK FLOW RATE(CFS) = 5.81 FLOW PROCESS FROM NODE 350.11 TO NODE 341.00 IS CODE = 6 - -------------------------------------------------------=------------------ »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1232.40 DOWNSTREAM ELEVATION = 1230.70 STREET LENGTH(FEET) = 570.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 "T_STANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 _ITERIOR STREET CROSSFALL ( DECIMAL) = . 24 0 2 C� Ic = z s OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.64 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .86 HALFSTREET FLOODWIDTH(FEET) = 4.55 nn AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.17 W PRODUCT OF DEPTH&VELOCITY = 2.74 _ STREETFLOW TRAVELTIME(MIN) = 2.99 TC(MIN) = 19.15 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.917 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 1.67 SUBAREA RUNOFF(CFS) = 3.66 EFFECTIVE AREA(ACRES) = 4.02 AVERAGED Fm ( INCH/HR) _ .485 ' *} m 3o8 TOTAL AREA(ACRES) = 4.02 PEAK FLOW RATE(CFS) =�-�- END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .91 HALFSTREET FLOODWIDTH(FEET) = 4.74 FLOW VELOCITY(FEET/SEC.) = 3.34 DEPTH*VELOCITY = 3.05 101-41 CONP.LVEN CE) Q = 19- 56 CFS FLOW PROCESS FROM NODE 341.00 TO NODE 341.00 IS CODE = 1 . .-------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 19.15 RAINFALL INTENSITY (INCH./HOUR) = 2.92 EFFECTIVE STREAM AREA(ACRES) = 4.02 TOTAL STREAM AREA(ACRES) = 4.02 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.80 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ..------------------------------------------------------------ RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 214.24 18.54 2.974 .48 87.44 2 11.32 15.25 3.344 .49 4.40 3 8.80 19.15 2.917 .49 4.02 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE TMBER Q(CFS) AREA(ACRES) 1 232.82 95.73 2 221.89 79.49 3 227.81 95.86 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 232.82 TIME(MINUTES) = 18.543 EFFECTIVE AREA(ACRES) = 95.73 TOTAL AREA(ACRES) = 100.08 FLOW PROCESS FROM NODE 341.00 TO NODE 350.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 69.0 INCH PIPE IS 50.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.3 UPSTREAM NODE ELEVATION = 1230.70 DOWNSTREAM NODE ELEVATION = 1230.40 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 232.82 TRAVEL TIME(MIN.) = .09 TC(MIN.) = 18.63 FLOW PROCESS FROM NODE 350.00 TO NODE 350.00 IS CODE = 1 •-------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.63 RAINFALL INTENSITY (INCH./HOUR) = 2.97 EFFECTIVE STREAM AREA(ACRES) = 95.73 TOTAL STREAM AREA(ACRES) = 100.08 PEAK FLOW RATE(CFS) AT CONFLUENCE = 232.82 **************************************************************************** FLOW PROCESS FROM NODE 350.21 TO NODE 350.22 IS CODE = 2 •-------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< - ------------------------------------ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1261.80 DOWNSTREAM ELEVATION = 1244.30 ELEVATION DIFFERENCE = 17.50 TC = .389*[( 1000.00** 3.00)/( 17.50)]** .20 = 13.847 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.543 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 9.61 TOTAL AREA(ACRES) = 3.49 PEAK FLOW RATE(CFS) = 9.61 FLOW PROCESS FROM NODE 350.22 TO NODE 350.12 IS CODE = 6 ------------------------------------------------------- -------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ------------------------------------- -STREAM ELEVATION = 1244.30 DOWNSTREAM ELEVATION = 1238.80 2REET LENGTH(FEET) = 360.00 CURB.HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 9.61 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 3.80 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.04 PRODUCT OF DEPTH&VELOCITY = 4.03 STREETFLOW TRAVELTIME(MIN) = .99 TC(MIN) = 14.84 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.399 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) _ .00 EFFECTIVE AREA(ACRES) = 3.49 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 3.49 PEAK FLOW RATE(CFS) = 9.61 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 3.80 FLOW VELOCITY(FEET/SEC.) = 6.04 DEPTH*VELOCITY = 4.03 FLOW PROCESS FROM NODE 350.30 TO NODE 350.12 IS CODE = 8 --------------------------------------------------------------------------- »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.399 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5820 SUBAREA AREA(ACRES) = 8.71 SUBAREA RUNOFF(CFS) = 22.08 EFFECTIVE AREA(ACRES) = 12.20 AVERAGED Fm(INCH/HR) _ .554 TOTAL AREA(ACRES) = 12.20 JPEAK FLOW RATE(CFS) = 31.23 TC(MIN) = 14.84 FLOW PROCESS FROM NODE 350.12 TO NODE 350.00 IS CODE = 6 :.---------------'----------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< - UPSTREAM ELEVATION = 1238.80 DOWNSTREAM ELEVATION = 1230.40 STREET LENGTH(FEET) = 540.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 31.71 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = 1.12 HALFSTREET FLOODWIDTH(FEET) = 5.54 AVERAGE FLOW VELOCITY(FEET/SEC.) = 8.57 PRODUCT OF DEPTH&VELOCITY = 9.59 -TREETFLOW TRAVELTIME(MIN) = 1.05 TC(MIN) = 15.89 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.262 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) _ .38 SUBAREA RUNOFF(CFS) _ .95 EFFECTIVE AREA(ACRES) = 12.58 AVERAGED Fm(INCH/HR) _ .552 TOTAL AREA(ACRES) = 12.58 PEAK FLOW RATE(CFS) = 3 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 1.11 HALFSTREET FLOODWIDTH(FEET) = 5.49 FLOW VELOCITY(FEET/SEC.) = 8.60 DEPTH*VELOCITY = 9.52 q o -0f572; FLOW PROCESS FROM NODE 350.00 TO NODE 350.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.89 RAINFALL INTENSITY (INCH./HOUR) = 3.26 EFFECTIVE STREAM AREA(ACRES) = 12.58 TOTAL STREAM AREA(ACRES) = 12.58 PEAK FLOW RATE(CFS) AT CONFLUENCE = 31.23 CONFLUENCE INFORMATION: DREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE _.JMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 232.82 18.63 2.965 .48 95.73 2 31.23 15.89 3.262 .55 12.58 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 260.63 108.31 2 253.54 94.23 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 260.63 TIME(MINUTES) = 18.631 EFFECTIVE AREA(ACRES) = 108.31 TOTAL AREA(ACRES) = 112.66 **************************************************************************** FLOW PROCESS FROM NODE 350.00 TO NODE 360.10 IS CODE = 3 -------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 75.0 INCH PIPE IS 55.9 INCHES -_PEFLOW VELOCITY(FEET/SEC.) = 10.6 PSTREAM NODE ELEVATION = 1230.40 DOWNSTREAM NODE ELEVATION = 1227.50 FLOWLENGTH(FEET) = 740.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 260.63 TRAVEL TIME(MIN.) = 1.16 TC(MIN.) = 19.79 -.,OW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 ------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.79 RAINFALL INTENSITY (INCH./HOUR) = 2.86 EFFECTIVE STREAM AREA(ACRES) = 108.31 TOTAL STREAM AREA(ACRES) = 112.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 260.63 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE ---------------------------------------------------------------------------- = 7 »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ------------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.15 RAIN INTENSITY(INCH/HOUR) = 3.36 EFFECTIVE AREA(ACRES) = 18.27 TOTAL AREA(ACRES) = 18.66 PEAK FLOW RATE(CFS) = 49.36 AVERAGED LOSS RATE, FM(IN/HR) _ .400 r > FgOm LA TCSA L- Elis T , Gg C, 14310,tA31I�m312- FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = ---------------------------------------------------------------------------- 1 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE ------------------------------------------------------------------ = 1 7 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ---------------------------------------- --_DNFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.15 RAINFALL INTENSITY (INCH./HOUR) = 3.36 EFFECTIVE STREAM AREA(ACRES) = 18.27 TOTAL STREAM AREA(ACRES) = 18.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 49.36 , FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = --------------------------------------------------------------------------- 7 »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< --------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 14.59 RAIN INTENSITY(INCH/HOUR) = 3.43 EFFECTIVE AREA(ACRES) = 7.41 TOTAL AREA(ACRES) = 7.68 PEAK FLOW RATE(CFS) = 21.06 AVERAGED LOSS RATE, FM(IN/HR) _ .290 mom c�rea�,� ov �3 Gg FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = ---------------------------------------------------------------------------- 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< --------------------------------- (,INFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: _IME OF CONCENTRATION(MINUTES) = 14.59 RAINFALL INTENSITY (INCH./HOUR) = 3.43 _ EFFECTIVE STREAM AREA(ACRES) = 7.41 TOTAL STREAM AREA(ACRES) = 7.68 PEAK FLOW RATE(CFS) AT CONFLUENCE = 21.06 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) - --------------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 260.63 19.79 2.860 .49 108.31 2 49.36 15.15 3.357 .40 18.27 3 21.06 14.59 3.434 .29 7.41 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) -------------------------------------------- AREA(ACRES) 1 318.90 133.99 2 311.26 108.59 3 308.47 104.85 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 318.90 TIME(MINUTES) = 19.790 EFFECTIVE AREA(ACRES) = 133.99 TOTAL AREA(ACRES) = 139.00 FLOW PROCESS FROM NODE 360.10 TO NODE 360.10 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.79 IINFALL INTENSITY (INCH./HOUR) = 2.86 .FFECTIVE STREAM AREA(ACRES) = 133.99 TOTAL STREAM AREA(ACRES) = 139.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 318.90 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------- 1 318.90 19.79 2.860 .47 133.99 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 318.90 133.99 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 318.90 TIME(MINUTES) = 19.790 EFFECTIVE AREA(ACRES) = 133.99 TOTAL AREA(ACRES) = 139.00 ------------------------------------------ END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 139.00 EFFECTIVE AREA(ACRES) = 133.99 PEAK FLOW RATE(CFS) = 318.90 '.. 9D OF RATIONAL METHOD ANALYSIS ------------------------------------------------------------------------------- ####•iE•#•If•-iF•1E•###dE•####•3E•#jF•#####iE####�EiF•)f•####•lE•##########�F�F•iE••3f•#iE•iF#•1E•#####�F#•##if•#'.e••ir#•ir3�•9Fx•9C RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1966 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1963,85,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial ## 100906 Esvecially gre0ared for: HALL & FOREMAN ############*######## DESCRIPTION OF STUDY #####################**#* EAST VILLAGE HYDROLOGY. LATERAL Mkt, (LATERAL M) # * G hail Y R # VENKI. N, JN 3810-020, 9/9/86 � ####ii•#�••if•*##•3E•########i(•#�•###•k####if•iE#########•lE#######•li•9E•###############•le••�E•##df•#�E FILE NAME: A:EVLATMO.DAT TIME/DATE OF STUDY: 10:51 9/10/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: - - - - - ------------------------ --#TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 50 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 50 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY ( INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .5000 #•sb•)i••se####*#*####�f•######•�i•yf•###•7f•##*#######*#dF#•x•#*•k###•3f•###•x•#�t•####•�f-•iE••if••if•############ FLOW PROCESS FROM NODE 701.10 TO NODE 701.10 IS CODE _ ---------------------------------------------------------------------- ) >) •> i RA T I ONAL METHOD INITIAL SUBAREA ANALYSIS (< (< < DEVELOPMENT IS COMMERC'I'AL TC = K*C(LENGTH** 00)/(ELEVATION CHANGE)j** .20 INITIAL SUBAREA FLOW -LENGTH = 620.00 UPSTREAM ELEVATION = 1290.50 DOWNSTREAM ELEVATION = 1264. 8141 ELEVATION DIFFERENCE = 5.70 TC = . 304# L ( 620.00** 3.00)/( 5.70)3** . EO 170 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.255 SOIL CLASSIFICATION IS "A" COMMERCIAL. SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA RUNOFF(CFS) = 2.74 TOTAL AREA(ACRES) = .73 PEAK FLOW RATE(CFS) = 2.74 FLOW PROCESS FROM NODE 701.01 TO NODE 701.01 IS CODE = 1 ------------------------------- l)))iDESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATION(MINUTES) = 10.17 RAINFALL INTENSITY (INCH./HOUR) = 4.27 EFFECTIVE STREAM AREA(ACRES) _ .73 TOTAL STREAM AREA(ACRES) = .73 i_�'EAK FLOW RATE(CFS) AT CONFLANLE FLOW PROCESS FROM NODE 701.11 TO NODE 701.01 IS CODE = 2 ----------------------------------------------------------------------------- >>>>)RATIONAL METHOD 1NITIAL SUBAREA ANALYSIS<<(<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL ->-5-7-DWELLINGS/ACRE -- _-- TC = K* E ( LENGTH## 3.00)/(ELEVATION CHANGE)7## .20 I N I TI AL SUBAREA FLOW -LENGTH = 550.00 UPSTREAM ELEVATION = 1290.30 DOWNSTREAM ELEVATION = 1266;00 ELEVATION DIFFERENCE = 4.30 TC = . 389* C ( 550.00** 3.00)/( 4.30)3** .20 - 12.808 iOO YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.713 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE. Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 8.8E TOTAL AREA ( ACRES) = 3.05 PEAK FLOW RATE(CFS) = 8.86 FLOW PROCESS FROM NODE 701.01 TO NODE 701.01 IS CODE = 1 >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<(<< >>>0 AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT" STREAM E ARE: TIME OF CONCENTRATION(MINUTES) = 1:.81 RAINFALL INTENSITY (INCH./HOUR) = 3.71 EFFECTIVE STREAM AREA(ACRES) = 3.05 TOTAL STREAM AREA(ACRES) = 3.05 PEAT. FLOW RATE(CFS) AT CONFLUENCE CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 2.74 10.17 4.265 . i 0 .73 2 6.86 12.81 3.713 .49 3.05 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER QCFS) AREA(ACRES) --------------------------------------------- 1 10.97 3.15 2 i i . 24 3.76 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 11.24 TIME(MINUTES) = 12.606 EFFECTIVE AREA(ACRES) = 3.78 TOTAL AREA(ACRES) = 3.78 FLOW PROCESS FROM NODE 701.01 TO NODE i6.iO IS CODE = E - --------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 1286.00 DOWNSTREAM ELEVATION = 1270.00 STREET LENGTH(FEET) = 1030.00 CURB HEIGTH<INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 DISI"NUE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .E40 OUTSIDE STREET CROSSFALL(DECIMAL) = .420 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE, ASSUMPTION THAT NEGLiBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY. ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .60 HALFSTREET FLOODWIDTH(FEET) = 3.43 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.05 PRODUCT OF DEPTHRVELOCIT'Y = 5.62 STREETFLOW T RAVELTIME (MIN) = 2.43 TC: (MIN) = 15.24 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.345 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = 1.26 SUBAREA RUNOFF(CFS) = 3,68 EFFECTIVE AREA(ACRES) = 5.04 AVERAGED Fm(INCH/HR) _ .33E TOTAL AREA(ACRES) = 5.04 PEAK FLOW RATE(CFS) = 13.67 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .81 HALFSTREET FLOODWIDTH(FEET) = 3.45 FLOW VELOCITY(FEET/SEC. ) = 7.15 DEPTH*VELOCITY = 5.82 FLOW PROCESS FROM NODE 16.10 TO NODE i6.10 IS CODE = 1 ---------------------- >)>))DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATION (MINUTES) = 15.24 RAINFALL INTENSITY (INCH./HOUR) = 3.34 EFFECTIVE STREAM AREA(ACRES) = 5.04 TOTAL STREAM AREA(ACRES) = 5.14 PEAK FLOW RATE(CFS) AT CONFLUENCE = 13.67 FLOW PROCESS FROM NODE 317.LO TO NODE 16.10 IS CODE = E ---------------------------------------------------------------------------- >>))}RATIONAL METHOD INITIAL SUBAREA ANALY'SIS<(((( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)1** .20 INITIAL SUBAREA FLOW -LENGTH = 1000,00 UPSTREAM ELEVATION = 1281.00 DOWNSTREAM ELEVATION = 1270.00 ELEVATION DIFFERENCE = ii.00 TC = . 389* C ( 1000.00** 3.00)/( 11.00)3** . EO = 15.194 100 YEAR RAINFALL I NTENS I TY (I NCH/ HOUR ) _ 3.351 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF (CFS) = 8.77 TOTAL AREA(ACRES) = 3.40 PEAK FLOW RATE(CFS) = 6.77 **************************************************************************** FLOW PROCESS FROM NODE 16.10 TO NODE 16.10 IS CODE = i ---------------------------------------------------------------------------- >>>>>DES GNATE NDEPENDE.NT STREAM FOR CONFLUENCE<<<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.19 RAINFALL INTENSITY (INCH./HOUR) = 3.35 EFFECTIVE STREAM AREA(ACRES) = 3.40 TOTAL STREAM AREA(ACRES) = 3.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.77 FLOW PROCESS FROM NODE 317.30 TO NODE 16.10 IS CODE = 2 ---------------------------------------------------------------------------- >>)>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<(<< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)3** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1281.00 DOWNSTREAM ELEVATION = 1270.00 ELEVATION DIFFERENCE = 11.00 TC = . 389* C ( 1000.00** 3.00)/( 11.00)3** .20 = 15.194 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.351 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS ROTE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 4.64 TOTAL AREA(ACRES) = i.60 PEAK FLOW RATE(CFS) = 4.64 FLOW PROCESS FROM NODE 16.10 TO NODE i6.10 IS CGDE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((<<< >>>)>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((<(< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 15.19 RAINFALL INTENSITY (INCH./HOUR) = 3.35 EFFECTIVE STREAM AREA(ACRES) = 1.80 TOTAL. STREAM AREA(ACRES) = i.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4.64 CONFLUENCE INFORMATION: STREAM PEAS'. FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------ RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) LL 15.24 3.345 04 2 6.77 i 5. i 9 3.351 .49 3.40 3 4.64 15.19 3.351 .49 1.80 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER --------------------------------------------- G.(CFS) AREA(ACRES) 1 27.05 10.24 2 27. 07 10. 22 3 27.07 10. 22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 27.07 TIME(MINUTES) = 15.194 EFFECTIVE AREA(ACRES) = 10.2E TOTAL AREA(ACRES) = 10.24 -###iElt�EiEiiklE)f#�FiE�iF3Eit#lE##iFihiFlEiEiE####klfiEIElElEdf##9FiE3F#iFIE�E#�F##1f36##-IEiEif#)hiE##�r#�F3E�F3F#lflf--1E�E#lf FLOW PROCESS FROM NODE 16.10 TO MODE 313.00 IS CODE = E, ----------------------------- >>>>)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ----------- UPSTREAM ELEVATION = 1270.00 DOWNSTREAM ELEVATION = 1255.50 STREET LENGTH(FEET) = 900.00 CURES HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) _0.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) = . 60 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 #T RAVELT I ME COMPUTED USING MEAN FLOW(CFS) = 26.26 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOG OF CURE. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY. ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = 1.06 HALFSTREET FLOODWIDTH(FEET) = 5.30 AVERAGE FLOW VELOCITY (FEET/SEC.) = 8.40 PRODUCT OF DEPTH&VELOCITY = 8.88 STREETFLOW TRAVELTIME(MIN) = 1.79 TC(MIN) = 16.98 1�c'�0 YEAR RAINFALL INTENSITY ( INCH/HOUR) = 3.135 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0370 SUBAREA AREA(ACRES) _ .89 SUBAREA RUNOFF(CFS) EFFECTIVE AREA(ACRES) = 11.11 AVERAGED Fm(INCH/HR) _ .385 TOTAL AREA(ACRES) = 11.13 PEAK FLOW RATE(CFS) _ END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = 1.05 HALFSTREET FLOODWIDTH(FEET) FLOW VELOCITY(FEET/SEC.) = 8.33 DEPTH#VELOCITY = = ID&7-83 12,601/s IV. `. 43 - 014Z 27.51 5. `6 8.71 FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = i >>>0 DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< !0Q AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.98 RAINFALL. INTENSITY (INCH./HOUR) = 3.14 EFFECTIVE STREAM AREA(ACRES) = 11.1i TOTAL STREAM AREA(ACRES) = 11.13 !-BEAK FLOW RATE(CFS) AT CONFLUENCE _ 27.51 CONFLUENCE INFORMATION: STREAM PEAT: FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 27.51 i6.96 3.135 .38 1 1. 1 1 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR i STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 27.51 11.11 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE. ( CFS) _ 27.51 TIME(MINUTES) _ 16.960 EFFECTIVE AREA (ACRES) = i i. l i TOTAL. AREA (ACRES) = 11.13 END OF STUDY SUMMARY: TOTAL AREA (ACRES) - 11.0 EFFECTIVE AREA (ACRES) = l 1. i l PEAK FLOW RATE(CFS) - E7.51 END OP RATIONAL METHO17. ANALYSIS ######•)E•##�#•3E•##•3E••Yi•###########-k######yF####iF###########•lE•##•lE•#•k•##•it•#•3F�•##$i•�•�f••3F#•k•9riF#it# RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1966 SAN BERNARDINO CO. HYDROLOGY CRITERION) Cooyright 1985,66,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/ i i /87 Serial #F i00908 Especially prepared for: HALL & FOREMAN ###########*##### DESCRIPTION OF STUDY ############## # EAST VILLAGE HYDROLOGY, LINE M LATERAL, LATERAL M1 � .-• � G- Y R # # VEtyKI. N, JN 3810-020, 9/9/68 # FILE NAME: AQVLATMI.DAT TIME/DATE OF STUDY: 10:55 9/10/1968 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: - - --*TIME-OF-CONCENTRATION MODEL*-- USC.R SPECIFIED STORM EVENT (YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 16.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE #USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE I NTENS I TY (I NCH/HOUR) = i.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 i -HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 iE•#•if•###•li•1F•3i•##*###*##*•ii•###•k•*•;e•####•k##•iE•###•lE•*##�i••;E#######•)E•iE•#•iFiF�i•###•1F##•k•di•###•�•#•k•###•3i•iF# FLOW PROCESS FROM NODE 359.00 TO NODE 359.!0 IS CODE = 2 ---------------------------------------------------------------------------- >>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<(( DEVELOPMENT IS SINGLE FAMILY -RESIDENTIAL--> 5-7 DWELLINGS/ACRE TC = K#C(LENGTH** 3.00)/(ELEVATION CHANGE)?** .20 INITIAL SUBAREA FLOW -LENGTH = 990.00 UPSTREAM ELEVATION = 1241.60 DOWNSTREAM ELEVATION = 1229.70 ELEVATION DIFFERENCE = 11.9141 TC = .. 389# i ( 990.00** 3.00)/( 11.90)J** . 20 = 14.867 100 YEAR RAINFALL INT ENS I TY (I INCH/HOUR) = 3.395 SOIL, CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ ACRE SUBAREA LOSS RATE:, Fal ( INCH/HR) _ . 46 50 SUBAREA RUNOFF (CFS) = 22.16 TOTAL AREA(ACRES) = 6.46 PEAK FLOW RATE(CFS) = 22. i 6 FLOW PROCESS FROM NODE 359.10 TO NODE 359.10 IS CODE = 1 ----------------------------------------------------------------------------- >>)>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<((<< DNFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AHE: .TIME OF CONCENTRATION(MINUTES) = 14.67 ...- .KHI14rHLL., 1141C1%16IIV'i1111L,P-I.lNLJUrt _ .6.4of, EFFECTIVE STREAM AREA(ACRES) = 8.46 TOTAL STREAM AREA(ACRES) = 6.45 PEAK FLOW RATE(CFS) Al CONF LUENGE _ 22.16 #•ii######•3E###•!r##dE#iF#####•3i•-iF###?E-######iE-####•iF#iE•ii##########•iF•k•####iF######•iE###tii•�c•### F=LOW PROCESS FROM NODE: 359. EO TO NODE 359.10 lS CODE = c - ----------------------------------------------------------------------------- > >) > Ri H i I ONAL METHOD INITIAL SUBAREA ANALYSIS < < < ( ( DEVELO1=mENT IS SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE TC = K* E (LENGTH** 3.00)/(ELEVATION CHANGE) J ## .20 INITIAL SUBAREA FLOW -LENGTH = 1000100 UPSTREAM REAM ELEVATION = 1242.50 DOWNSTREAM ELEVATION = 1229.60 ELEVATION DIFFERENCE = i2.90 TC = . 38'x# E ( !000.00** 3.00)/( i2.90)3** . 20 = 14. 71 7 100 YEAR RAINFALL ! N T ENS I TY (I NCH/HOUR) = 3.416 SOIL CLASSIFICATION IS "A" RESIDEivTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF (CFS) = 15.70 TOTAL AREA(ACRES) = 5.95 PEAK FLOW RATE (GFS) = 15.70 FLOW PROCESS FROM NODE 359.10 TO NODE 359.10 IS CODE = 1 ---------------------------------------------------------------------------- i 1) >) DESIGNA T•E INDEPENDENT STREAM FOR CONFLUENCE (< (< ( >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<(<(< CDNFLUENCE VALUES USED FOR INDEPENDENT STREAM E ARE: TIME OF CONCENTRATION(MINUTES) = 14.7E RAINFALL INTENSITY ?INCH./HOUR) = 3.42 EFFECTIVE STREAM AREA NCRES) = 5.95 TOTAL STREAM AREA(ACRES) = 5.95 FREAK FLOW RATE(CFS) AT CONFLUENCE = 15.70 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) &IN.) ?INCH/HOUR) (IN/HR) AREA(ACRES) ---------------------------------------------------------------- i 22. iS 14.87 3.395 .49 8.46 15.70 14.72 3.416 .49 5.95 RAINFALL I INTENS I T Y AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q (CFS) AREA(ACRES) ---------------------------------------------- i 37.74 14.41 2 37. 79 14.32 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE ( CFS) = - 37.79 TIME(MINUTES) = 14.717 EFFECTIVE AREA(ACRES) (i- ARES) = 14.32 TOTAL AREA(ACRES) = 14.41 #ii-#########•3iiE•#•#i•#•IF#•if#####ii#•lF•i:•##k#3E##iE�EIF##3F###ii#####•li-########�F######iF####•it-iF•#••3�••�• FLOW PROCESS FROM NODE 359.!0 TO NODE 360-10 IS CODE = 3 - -.--------------------- > > > > > COMPU T E PIPEFLOW i'RAVEL ImE T HRU SUBAREA (< (< < >>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<((<C Lrta" , ri Ur r -L jW IN J�i..�, tiUtjl-t PlPt 15 4..; 1(vl;F1t5 G I PEP LOW VELOC i i Y (F EE t / SEL.) = UPSTREAM NODE ELEVATION = 1229.60 DOWNSTREAM NODE ELE'V H 7 10N - i227.50 FLOWLENG T H (FE.ET) = 230.00 i* ANN I NGS N = .013 ESTIMATEi7. PIPE DIAMETER(INCH) _ 30.00 NUMBER OF PIPES - 1 PIPEFLI W i HRU Si.},tKF-REA(i_:FS) _ 37.79 TRAVEL TIME (MIN.) = .43 T C (MIN.) #i••k•##ri•iF �i•#yf••ir#�•#tit#-Yi•####•it•#�i•##tie##•ir#tii•####�f•##•li•#•iF#tie#•k###•fe••3f•##tif•###•ie•########><•##•ie##i�##�•# FLOW PROCESS FROM NODE 360.10 TO NODE 360. 1 O is CODE > > >)) i. ES I GGA T E INDEPENDENT DENT S iREAM FOR CONFLUENCE (< < ( ( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF E.ONCEN, RA I ION (MINUTkS) - 15.15 RAINr=AnL INTENSITY (INCH. /HOUR) = 3.36 EFFECTIVE 1VE S I I•iCl• M AREA(ACRES) = 14.32 TOTAL STREAM AREA ( ACRES) = 14.41 PEAK FLOW RATE (CFS) AT CONFLUENCE = 37.79 #•ie•• -s(###: -ie•'rc#•#•tie###ii••}: �3F#•�•##tied(#•�••�•#####tie#tie•#########•�###*###iE###•)E••�•############ae###### FLOW t-'riOCESS FROM NUDE 350.10 TO NODE 360-10 IS CODE _ c ) >) > > RA ! I OVAL METHOD INIIIAL SUBAREA ANAL•Y`S I S ((< (< __-_--_.--- DEVCL.OJi^mEN T 16 COMMERCIAL TC = K* E (LENG 7 H** 3.00)/(ELEVATION CHANGE) 3 ** .20 INITIAL SUBAREA FLOW -LENGTH = 700.00 UPSTREAM ELE'VAT I ON = 1230.60 DOWNSTREAM ELEVATION = 1227.50 ELEVATION DIFFERENCE = 3.30 TO = .304*[( 700.00** moi.00)/( 3.30)3** .20 _ 12.196 100 YEAR RAINFALL IN T ENSI fY ( INCH/HOUR) = 3.824 � ��� f� SOIL CLASSIFICATION IS "A,, G COIF NERCIAL SUBAREA LUSS RATE, I E, Fm ( INCH/HR) _ .0970 c+ SUBAREA RUNOFF(CFS) = 3.02 TOTAL AREA(ACRES) _ .90 PEAK FLOW RATE (CFS) = 3.0L #######tie•######•�c##i•irk•##########9r######•ie############•�e•#####tie#i••ie••k#########tii•#•k•##tie•;'# FLOW PROCESS FROM NODE 360.lO TO NODE 360.112� is CODE = i ----------------------------------------------------------------------------- > > > > > DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE (< (< < --------------- CONFLUENCE VALUES USED FOR 1NDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.20 RAINFALL INTENSITY (INCH./HOUR) = 3.62 EFFECTIVE STREAM AREA(ACRES) _ .90 TOTAL STREAM AREA(ACRES) = .90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 3.02 FLOW PROCESS FROM NODE 315.30 TO NODE 310.31 IS CODE _ ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<(<( ----------------------------------= DEVELOPMENT IS COMMERCIAL TC = K*C(LENGTH** 3.00)/(ELEVATION CHANGE)3** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1261.80 L)UWINb l Kt --HP( RMW i IUN = wow. i_.a ELEVATION DIFFERENCE = 11.55 TC = . 304* C ( 1000.00** 3.00)/( 11.55)1** .20 = 11.759 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.908 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA RUNOFF(CFS) = 4.46 TOTAL AREA(ACRES) = 1.30 PEAK FLOW RATE(CFS) = 4.46- FLOW .46 FLOW PROCESS FROM NODE 315.31 TO NODE 360.10 IS CODE = G ----------------------------------------------------------------------------- >>>0 COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<( UPSTREAM ELEVATION = 1250.25 DOWNSTREAM ELEVATION = 1227.50 STREET LENGTH(FEET) = 1680.00 CURB HEIGTH(INCHES) = S. STREET HALFWIDTH(FEET) = 24.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .525 SPECIFIED NUMBER OF HAL.FSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) STREETFLOW MODEL RESULTS; STREET FLOWDEP T H (FEET) _ .63 HALFST REET FLOODW I D T H ( FEET) = 2.83 AVERAGE FLOW VELOCITY (FEET/ SEC.) = 5.71 PRODUCT OF DEPTH&VELOCITY = 3.62 S i•REETFLOW i•RA'VELTIME (MIN) = 4.91 TC (MIN) _ 7.32 4-1.27 1G. G7 j2 -2-/p CPS 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.170 SOIL CLASSIFICATION IS „A" COMMERCIAL SUBAREA LOSS RATE, Far(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = 2.05 SUBAREA RUNOFF(CFS) EFFECTIVE AREA(ACRES) 3.35 AVERAGED Fra ( INCH/HR) _ .097 T O I AL AREA(ACRES) = 3.35 PEAK FLOW RATE(CFS) = END OF SUBAREA STREET'F40W HYDRAULICS: DEPTH(FEET) = .7i HALFSTREET FLOODW I DTH ( FEET) _ FLOW VELOCIT'Y(FEET/SEC.) = 6.22 DEPTH*VELOCITY = 5.67 9.27 Lr 97 4.39 4::� 6. ji?312 FLOW 1-:riOCESS FROM NODE 360-10 TO NUDE 360.10 IS [ODE = L ) ) >)) DES a GNA E INDEPENDENT S'; REAM FOR CON L'UaaCE ((< ( ( > > > > > AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < (< < ( CONFLUENCE VALUES USED FUR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 16.67 RAINFALL INTENSITY (INCH./HOUR) = 3.17 EFFECTIVE STREAM AREA (ACRES) = 3.35 TOTAL. STREAM AREA(ACRES) = 3.85- PEAK .8-iPEAK FLOW RATE(CFS) AT CONFLUENCE _ 5.27 CONFLUENCE INFORMATION: ST REAM PEA. ; FLOW TIME I NTE.NS I TY FM EFFECTIVE NUMBER -------------------------------------------------------------- RATE (CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 3i'. 79 15.i5 3.357 .49 14. 32, 2 3.02 i2.20 3. 624 .10 . 90 3 9.27 1 G. 6 % 3.170 .10 3.35 " --Pih'f1iV MLI Im I tAn i V H lu-) lith.- Ur i..l)ACEN 1 NW KLAN KH 1 lU �- + CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CUNT LUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ----------------------------------------------- .� 49.3 18.27 ^r•. 2 46. Fret 14.66 3 47. 09 16.57 COMPUTED CONFLUENCE ESTIMATES t.l.,�- ARE i=•!S FOLLOWS: h''EI"fK FLOW RA E C F S) = 49.36 TIME(MINUTES) EFFECTIVE AREA(ACRES) = 18.27 TOTAL AREA(ACRES) = 16.66 FLOW PROCESS FROM (NUDE 360.Q ih T 0 NODE 360.!0 IS CODE >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<(<<< >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATION(MINUTES) = 15.15 RAINFALL INTENSITY (INCH./HOUR) = 3.36 EFFECTIVE STREAK( AREA(ACRES) = 18.27 TOTAL STREAM AREA (ACRES) = Q.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 49.36 CONFLUENCE INFORMATION: STREAM F' EAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------ 1 49.36 15.15 3.357 .40 16.27 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. Z\14' A TM SUMMARY RESULTS: TO STREAM CONFLUENCE EFFECTIVE NUMDER Q (CFS) AREA(ACRES) j--------------------------------------------- 49.36 -_----_-_____--_____________________________49.36 18.27 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 49.36 TIME(MINUTES) EFFECTIVE AREA(ACRES) - 18.27 TOTAL AREA(ACRES) = 18.66 �E••ii••1r####•)E••k#####•lE••le•######################•iF•lr#############•if•######•li••1r•iE#di•##•k••3F•k#��••fc if-� FLOW PROCESS FROM NODE 380.00 TO NODE 360.10 IS CODE = 2 ------------------------------------------------------------------------ >)>)>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<(( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE__. TC = K# C ( LENG T i-;## 3.00)/(ELEVATION CHANGE) 1 ## .20 INITIAL SUBAREA FLOW -LENGTH = 770.00 �' M'3l 'r3',` UPSTREAM ELEVATION = 1231.00 I DOWNSTREAM ELEVATION = 1223.45 ELEVATION DIFFERENCE = 5.55 C = . 369*E ( 770.00** 3.00) ( 5.55)3** .20 100 YEAR RAINFALL INTENSITY ( INCH/HOUR) = 3.392 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .485 SUBAREA RUNOFF(CFS) = 7.06 TOTAL AREA(ACRES) = 2.70 PEAK FLOW RATE(CFS) = 7.06 # # •IE-•lf• # •if• # iF -3E •3E• # # # # •if• # # # •3F # # iE # # iE� # # 3F �• # •iE• •iE •if• 9t• # ## -k• �E it •}E• # # # 9fr # # # # # •!E # iF� # iE # •3F # # # �f• # •3F �}E• •if� •�S• # •ii• •Y� •k• •#• •sE �E• •iE•-it� d{� FLOW PROCESS FROM NODE 360. 1O TO NUDE 380.20 IS CODE - ))))>COMPUTE PIPEFLGW TRAVE TIME T -IRU SUBAREA(<((< )) > >) USING L,OMPUTE R -ES i I � +ATED P I PEES I 1 E (NON -PRESSURE FLOW) (< < < < ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH O FLOW I N 18.0 INCH t PIPE IS 6.5 INCHES PIPEr'LOW VELOCITY (FEE i /SEC. ) = 12.2 UPS i REAm NODE E�EVH i I ON = 1227.40 DOWNSTREAM NODE ELEVATION - 1225.00 F•LOWLENGTH ( FEET) = 40.00 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 7 PLPEFLOW THRU SUBAREA(CFS) = 7.06 TRAVEL TIME (MIN.) = .05 TC (MIN.) = 14.95 FLOW PROCESS FROM NODE 360.20 TO NODE 380. LO IS CODE = 1 -------.------------------------------------------------------------------•--- >'))>uESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.95 RAINFALL INTENSITY (INCH./HOUR) = 3.38 EFFECTIVE STREAM AREA(ACRES) = 2.70 TOTAL STREAM AREA(ACRES) = 2.?0_ PEAK FLOW RATE(CFS) AT CONFLUENCE = 7.06 FLOW PROCESS FROM NUDE 360.00 TO NUDE 380.20 IS CODE ^ - ---------'----•------•--•-- ))>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<(( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE, TC = K# C. (LENGTH## 3.00)/(ELEVATION CHANGE)]** . 2O,�, c 7. O 6 INITIAL SUBAREA FLOW -LENGTH = 1020.00 UPSTREAM ELEVATION = 1231. oo 3 DOWNSTREAM ELEVATION = 1225.00 ELEVATION DIFFERENCE = 6.00 TC = . 389# ( i020.00** 3.00)/( 6.00)1** .20 - 17.357 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.094 SOIL CLASSIFICATION IS "A" i' ESI DEN i I AL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fns (I NCH/ HR) _ .463c; SUBAREA RUNOFF(CFS) - 3.05 TOTAL. AREA(ACRES) = 1.30 PEAK FLOW RATE (CFS) FLOW PROCESS FROM NODE 380.20 TO NODE 360.20 IS CODE = 1 ---------------------------------------------------------------------------- > >) > > DESIGNA T E INDEPENDENT STREAM FOR CONFLUENCE (< (< < CONFLUENCE 'VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.36 RAINFALL INTENSITY (INCH./HOUR) = 3.09 EFFECTIVE STREAM AREA(ACRES) = 1.30 TOTAL STREAM AREA(ACRES) = i.30 PEAK FLOW RATE (CFS) AT CONFLUENCE = 3.05 FLOW PROCESS FROM NODE 650.20 TO NODE 650.21 IS CODE = 2 --------------------- >>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<<<( DEVELOPMENT IS COMMERCIAL TC = K* is ( LENGTH** 3.00)/(ELEVATION C.:HANGEQ ** .20 INITIAL SUBAREA FLOW -LENGTH = 960. 0121 UPSTREAM ELEVATION = 1248.00 DOWNSTREAM ELEVATION = 1236.63 ELEVATION DIFFERENCE = l i. I TC = . 304* i ( 960.00** 3.00)/( 11.37)3** . E0 = 11.50Z 100 YEAR RAINFALL lNTENSI TY ( INCH/ HOUR) = 3.959 SOIL CLASSIFICATION IS "A'' COMMERCIAL SUBAREA LOSS RATE, Fm ( INCH/HR) _ .0970 SUBAREA RUNOFF (CFS) = 4.63 TOTAL AREA(ACRES) = 1.39 PEAK FLOW RATE(CFS) = 4.83 FLOW PROCESS FROM NODE 650.21 TO NODE 29.00 IS CODE = 6 ---------------------------- )>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<( UPSTREAM ELEVATION = 1236.63 DOWNSTREAM ELEVATION -=---1225.22-=--_-~-_ STREET LENGTH(FEET) = 98.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 DISTANCE FROM CROWN TO CROSSFALL GtRADEBREAK = 12.00 INTERIOR STREET CROSSFALL (DECII}SAL) = . 24,41 OUTSIDE STREET CROSSFALL(DECIMAL) = .525 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 8.31 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FL"O"W OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .70 HALT= STREET FLOODW I D iH ( FEET) = 2.95 AVERAGE`. FLOW VELOCITY (FEET/SEC.) = 5.69 PRODUCT OF DEPTH&VELOCITY = 3.96 STREET FLOW TRAVELTIME (MIN) = 2.87 TC (MIN) = 14.36 100 YEAR RAINFALL INTENSITY(INCH/HOUR) _ 3.464 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RA'T'E, Fm ( INCH/ HR) _ .0970 SUBAREA AREA(ACRES) = 2.29 SUBAREA RUNOFF(CFS) EFFECTIVE AREA(ACRES) = 3.68 AVERAGED Fm(INCH/HR) _ .097 TOTAL AREA(ACRES) = 3.68 PEAT: FLOW RATE (CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .80 HALFSTREET F LOODW I DTH ( FEET) _ FLOW VELOCITY(FEET/SEC.) = 6.29 DEPTH*VELOCITY = 11.15 3.14 5.02 **************************************************************************** FLOW PROCESS FROM NODE. 29.00 TO NODE 360.20 IS CODE=. = 3 ------------- >>>>>COMPUTE PIPEFLOW TRAVEELTIME THRU SUOOREA(<((( >>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)(<(<( DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 4.8 UPSTREAM NODE ELEVATION = 1225.22 L/Uw14:.Ji hlCl-li'1IVULIcCLE.VF-i1 1UIV= 1C.�.::1. IG11�1 FLOWLENGTH ( FEET) = 60.00 00 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = E4.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = ii,15 TRAVEL TIME(MIN.) _ .21 TC(MIN.) = 14.55 FLOW PROCESS FROM BODE 380.20 TO NUDE 360.20 18 CODE _ ----------------------------------------------------------------------------- >)>>>DESIGNATEE INDEPENDENT STREAM FOR CONFLUENCE((<<( )>))>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( - ------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CUNCENTRATION(MINUTES) = 14.59 RAINFALL INTENSITY (INCH./HOUR) = 3.43 EFFECTIVE STREAM AREA(ACRES) = 3.68 TOTAL STREAM AREA(ACRES) = 3.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.15 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) -------------- 1 7.06 c 3.05 3 11.15 RAINFALL INTENSITY CONFLUENCE FORMULA SUMMARY RESULTS: STREAM CONFLUENCE NUMBER Q(CFS) -------------------------- 14.95 3.364 .49 17.36 3.094 .49 14.59 3.434 . 10 EFFECTIVE AREA(ACRES) ------------- 2.70 1. 30 3.68 AND TIME OF CONCENTRATION RATIO USED FOR 3 STREAMS. EFFECTIVE AREA(ACRES) --------------------------------- 1 20.97 7.5141 c 19.42 7.68 3 21.06 7.41 COMPUTED CONFLUENCE ESTIMATES ARE PEAK FLOW RATE(CFS) = 2i.1416 EFFECTIVE AREA(ACRES) = 7.41 TOTAL AREA(ACRES) = 7.68 AS FOLLOWS: TIME (MINUTES) = i4.590 •lF •x• ->E• # •k•� •ii• ii• •k• •if• �f• •li• •k• •ii• * •)E• •3E dE # �i• •li• �F-ii• � �• •�••3e �E• iE•-�f• * iE di• •ie -•)F �i• •iE• •if• �E• •iF •3E �i• •3E• •ii� •� •if^ •ii• •ii• �4• •3f-iE dF •k •)E •k jE �i• �E-ai• •iE• •!i• •k••ii• •it� •3E• �k• •li• it•-k•� •iE •k• �i• it FLOW PROCESS FROM NODE 380.20 TO NODE 360M IS CODE = 1 > 0 0 DESIGNA T E INDEPENDENT STREAM FOR CONFLUENCE < < < < < >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.59 RAINFALL INTENSITY (INCH./HOUR) = 3.43 EFFECTIVE STREAM AREA(ACRES) = 7.41 TOTAL STREAM AREA(ACRES) = 7.68 PEAK FLOW RATE(CFS) AT CONFLUENCE = E1.0E CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREWACRES) --- 1 21.06 14.59 3.434 .29 7.41 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR i STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE .- ,. -. - - . . . ... _ , :... . i,i �LrSi -- HrtGH iHl:KcS) --------------------------------------------- 1 21.06 7.41 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE (CFS) = 21.06 TIME (MINUTES) = 14.590 90 EFFECTIVE AREA ( ACRES) - 7.41 TOTAL AL AREA (ACRES) _ 7.66 END OF STUDY SUMMARY: TOTAL AREA (ACRES) _ 7.68 EFFECTIVE AREA(ACRES) = 7.41 PEAK FLOW RATE (CFS) = 21.06 END OF RATIONAL METHOD ANAL'Y'SIS 2) LINE IB' HYDROLOGY a) 25 -YR. FREQUENCY RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************** EAST VILLAGE HYDROLOGY, LINE B Q 25 YR V�N-./j.M., -jN 383-4-020, 11/-2- f-1988- - — -- ************************************************************************** FILE NAME: A:EVLINEB.DAT TIME/DATE OF STUDY: 13: 2 11/23/1988 ------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* '10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 +"'OMPUTED RAINFALL INTENSITY DATA: ORM EVENT = 25.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE _ .6000 ,FLOW PROCESS FROM NODE 108.05 TO NODE 109.00 IS CODE = 2 -------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE M ~ TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 550.00 UPSTREAM ELEVATION = 1305.50 DOWNSTREAM ELEVATION = 1292.00 ELEVATION DIFFERENCE = 13.50 TC = .389*[( 550.00** 3.00)/( 13.50)]** .20 = 10.188 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.338 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 7.70 TOTAL AREA(ACRES) = 3.00 PEAK FLOW RATE(CFS) = 7.70 ",OW PROCESS FROM NODE 108.05 TO NODE 109.00 IS CODE = 1 ------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.19 RAINFALL INTENSITY (INCH./HOUR) = 3.34 EFFECTIVE STREAM AREA(ACRES) = 3.00 TOTAL STREAM AREA(ACRES) = 3.00 '7AK FLOW RATE(CFS) AT CONFLUENCE = 7.70 FLOW PROCESS FROM NODE 108.03 TO NODE 109.00 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE - TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 NITIAL SUBAREk-FLAW - - 8 0.0e- -- - - - UPSTREAM ELEVATION = 1297.40 (DOWNSTREAM ELEVATION = 1292.00 ELEVATION DIFFERENCE = 5.40 TC = .389*[( 850.00** 3.00)/( 5.40)]** .20 15.890 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.557 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 7.27 'TOTAL AREA(ACRES) = 3.90 PEAK FLOW RATE(CFS) = 7.27 (FLOW PROCESS FROM NODE 108.03 TO NODE 109.00 IS CODE a 1 ----------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< >»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.89 (RAINFALL INTENSITY (INCH./HOUR) = 2.56 EFFECTIVE STREAM AREA(ACRES) = 3.90 TOTAL STREAM AREA(ACRES) = 3.90 SPEAK FLOW RATE(CFS) AT CONFLUENCE = 7.27 CONFLUENCE INFORMATION: STREAM ,NUMBER PEAK FLAW RATE(CFS) TIME INTENSITY FM EFFECTIVE •------------------------------------------------------------ (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 7.70 10.19 3.338 .49 3.00 ! 2 7.27 15.89 2.557 .49 3.90 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER •------------------------------------------- Q(CFS) AREA(ACRES) 1 14.12 5.50 2 12.87 6.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: � PEAK FLAW RATE ( CFS ) _ -14.12 TIME(MINUTES ) = 10.188 (EFFECTIVE AREA(ACRES) = 5.50 `TAL AREA(ACRES) r" = 6.90 FLOW PROCESS FROM NODE 109.00 TO NODE 181.05 IS CODE = 3 ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------------------------------------------------------==-==57-== -------------------------------------------------------------- �EPTH OF FLOW IN 21.0 INCH PIPE IS 13.7 INCHES �PEFLOW VELOCITY(FEET/SEC.) = 8.5 UPSTREAM NODE ELEVATION = 1292.00 DOWNSTREAM NODE ELEVATION = 1278.30 FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.12 TRAVEL TIME(MIN.) = 1.87 TC(MIN.) = 12.05 -FIZW--PROCLSS -FROM NUDE TB1�5-Tb�ODE-18 05 IS C0_DZ = 1 - --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.05 RAINFALL INTENSITY (INCH./HOUR) = 3.02 EFFECTIVE STREAM AREA(ACRES) = 5.50 TOTAL STREAM AREA(ACRES) = 6.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.12 +ik*****��F�k�i����kY�lrtdrsY�lr�*�ktiir���4sY�ki��c�3+ri�i�irirar�ctrk�k�&�f�s�its4ik�YvklC�r&�k�Ys'Yfst��ks'f�i�u��r�Ys'rtrtr�ksY !FLOW PROCESS FROM NODE 181.02 TO NODE 109.10 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ZVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 (INITIAL SUBAREA FLAW -LENGTH = 780.00 UPSTREAM ELEVATION = 1300.00 DOWNSTREAM ELEVATION = 1294.00 ELEVATION DIFFERENCE = 6.00 TC = .389*[( 780.00** 3.00)/( 6.00)]** .20 = 14.777 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.671 'SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LASS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 4.13 TOTAL AREA(ACRES) = 2.10 PEAK FLAW RATE(CFS) = 4.13 FLAW PROCESS FROM NODE 109.10 TO NODE 181.05 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««Q UPSTREAM ELEVATION = 1293.20 DOWNSTREAM ELEVATION = 1278.30 STREET LENGTH(FEET) = 930.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 'TTSIDE STREET CROSSFALL(DECIMAL) = .180 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 5.68 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .53 HALFSTREET FLOODWIDTH(FEET) = 3.57 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.23 PRODUCT OF DEPTH&VELOCITY = 2.77 STREETFLOW TRAVELTIME(MIN) = 2.97 TC(MIN) = 17.74 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.393 SOIL CLASSIFICATION IS "A" (RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA IHSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 1.81 SUBAREA RUNOFF(CFS) = 3.11 AREA -(-ACRES = 3 -.SL - - AVERAGED Fm(INCH/HR) _ .485 'TOTAL AREA(ACRES) = 3.91 PEAK FLOW RATE(CFS) = 6.71 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .57 HALFSTREET FLOODWIDTH(FEET) = 3.79 FLOW VELOCITY(FEET/SEC.) = 5.47 DEPTH*VELOCITY = 3.10 FLOW PROCESS FROM NODE 181.05 TO NODE 181.05 IS CODE = 1 ------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.74 AINFALL INTENSITY (INCH./HOUR) = 2.39 FECTIVE STREAM AREA(ACRES) = 3.91 TOTAL STREAM AREA(ACRES) = 3.91 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.71 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 14.12 12.05 3.018 .49 5.50 2 6.71 17.74 2.393 .49 3.91 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCF,'FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 20.18 8.16 2 17.35 9.41 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 20.18 TIME(MINUTES) = 12.053 EFFECTIVE AREA(ACRES) = 8.16 TOTAL AREA(ACRES) = 10.81 ir*sYs4*���u�r�r�rir��sY�rsYtr*��rsYtrsrzYsY���hsSc*dtik�Fi���t3t�t�'r�iirir����tsr�tY�sisY�trsYu*trsYirittrt�s'ts'YtY�*�sYtrtc ")W PROCESS FROM NODE 181.05 TO NODE 181.05 IS CODE = 1 ----- - -------------------------------------®- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: rIME OF CONCENTRATION(MINUTES) = 12.05 RAINFALL INTENSITY (INCH./HOUR) = 3.02 EFFECTIVE STREAM AREA(ACRES) = 8.16 TOTAL STREAM AREA(ACRES) = 10.81 -"'AK FLOW RATE(CFS) AT CONFLUENCE '= 20.18 FLAW PROCESS FROM NODE 181.00 TO NODE 181.08 IS CODE = 2 - »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 UBAREA-`IOW=LENGTH" = -1-an . Uu - - -- UPSTREAM ELEVATION = 1296.50 DOWNSTREAM ELEVATION = 1280.30 ELEVATION DIFFERENCE = 16.20 TC = .389*[( 1000.00** 3.00)/( 16.20)]** .20 = 14.062 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.751 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 14.38 TOTAL AREA(ACRES) = 7.05 PEAK FLOW RATE(CFS) 14.38 FLAW PROCESS FROM NODE 181.08 TO NODE 181.05 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< STREAM ELEVATION = 1280.30 DOWNSTREAM ELEVATION a 1278.30 STREET LENGTH(FEET) = 180.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 ,OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 14.53 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .86 HALFSTREET FLOODWIDTH(FEET) = 4.55 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.04 PRODUCT OF DEPTH&VELOCITY = 5.21 STREETFLOW TRAVELTIME(MIN) = .50 TC(MIN) = 14.56 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.694 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = .15 SUBAREA RUNOFF(CFS) a .30 7ECTIVE AREA(ACRES) = 7.20 ...ERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 7.20 PEAK FLOW RATE(CFS) = 14.38 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .85 HALFSTREET FLOODWIDTH(FEET) 4.51 FLOW VELOCITY(FEET/SEC.) = 6.12 DEPTH*VELOCITY = 5.20 -TOTAL (0n'r1(/ 0- : p•76 cF: ki�r�irtcsYfrir��t�k��r3k�i�c�ri'rlfst�Yir�rtrir�Fic�4ihri�s4�rsYs4*�itiritit3ktryk�cibicir�Fit$cY4�irtc&s��t�rs4t4kt't�tYlt�'tsr�z��rfir{Srt'ttr�r -LOW PROCESS FROM NODE 181.05 TO NODE 181.05 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.56 RAINFALL INTENSITY (INCH./HOUR) = 2.69 EFFECTIVE STREAM AREA(ACRES) = 7.20 TOTAL STREAM AREA(ACRES) = 7.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.38 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) -------------------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 20.18 12.05 3.018 .49 8.16 2 14.38 14.56 2.694 .49 7.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) -------------------------------------------- AREA(ACRES) 1 33.83 14.12 2 31.98 15.36 ^OMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: EAK FLOW RATE(CFS) = 33.83 TIME(MINUTES) = 12.053 EFFECTIVE AREA(ACRES) = 14.12 TOTAL AREA(ACRES) = 18.01 FLOW PROCESS FROM NODE 181.05 TO NODE 181.06 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ---------------- DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.8 UPSTREAM NODE ELEVATION = 1278.30 DOWNSTREAM NODE ELEVATION = 1277.90 FLOWLENGTH(FEET) = 130.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 33.83 TRAVEL TIME(MIN.) _ .37 TC(MIN.) = 12.43 FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 1 ------------------ »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: -IME OF CONCENTRATION(MINUTES) = 12.43 RAINFALL INTENSITY (INCH./HOUR) = 2.96 EFFECTIVE STREAM AREA(ACRES) = 14.12 TOTAL STREAM AREA(ACRES) = 18.01 PEAK FLOW RATE(CFS) AT CONFLUENCE = 33.83 rick*iciciricicicir3Yiric*s't*****iti*ic**iii+r**it********sY�c�sfit*sttc*trtr***sf***tr*trisrir**iY*irititst�h*sSr* -'jOW PROCESS FROM NODE 181.01 Tb NODE 181.06 IS CODE = 2 •------------------------------------------------------------------------ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------.-__----------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1296.50 DOWNSTREAM ELEVATION = 1277.90 ELEVATION DIFFERENCE = 18.60 TC -..38 -*-j f 1000.00w* . uO . 6011** .2 0 . 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.797 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 19.67 TOTAL AREA(ACRES) = 9.45 PEAK FLOW RATE(CFS) = 19.67 s T. s -1-1 FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< -'CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.68 RAINFALL INTENSITY (INCH./HOUR) = 2.80 �FFECTIVE STREAM AREA(ACRES) = 9.45 JTAL STREAM AREA(ACRES) = 9.45 PEAK FLAW RATE(CFS) AT CONFLUENCE = 19.67 FLOW PROCESS FROM NODE 181.04 TO NODE 181.07 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS COMMERCIAL TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 (UPSTREAM ELEVATION = 1298.40 ,DOWNSTREAM ELEVATION = 1279.00 ELEVATION DIFFERENCE = 19.40 TC = .304*[( 1000.00** 3.00)/( 19.40)]** .20 = 10.600 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.260 'SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA RUNOFF(CFS) = 3.93 TOTAL AREA(ACRES) = 1.38 PEAK FLOW RATE(CFS) = 3.93 FLOW PROCESS FROM NODE 181.07 TO NODE 181.06 IS CODE 6 - •------------------------------------------------------------------------ ,>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< - ------------------------------------------ UPSTREAM ELEVATION = 1279.00 DOWNSTREAM ELEVATION = 1277.90 STREET LENGTH(FEET) = 370.00 CURB HEIGTH(INCHES) a 8. STREET HALFWIDTH(FEET) = 24.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 "YTTSIDE STREET CROSSFALL(DECIMAL)- _ .420 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.51 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .72 -HAtiFSTR ET-L@ODWl-DT (FEE`P)-_-3.23 - - AVERAGE FLAW VELOCITY(FEET/SEC.) = 2.85 PRODUCT OF DEPTH&VELOCITY = 2.04 STREETFLOW TRAVELTIME(MIN) = 2.16 TC(MIN) = 12.76 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.916 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) _ .46 SUBAREA RUNOFF(CFS) = 1.17 (EFFECTIVE AREA(ACRES) = 1.84 AVERAGED Fm(INCH/HR) _ .097 TOTAL AREA(ACRES) = 1.84 PEAK FLOW RATE(CFS) = 4.67 r B 3 b END OF SUBAREA STREETFLOW HYDRAULICS: -- IDEPTH(FEET) _ .72 HALFSTREET FLOODWIDTH(FEET) = 3.23 FLAW VELOCITY(FEET/SEC.) = 2.95 DEPTH*VELOCITY = 2.11 FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -------- ______________ -=------------- --=- -=aa--- - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.76 RAINFALL INTENSITY (INCH./HOUR) = 2.92 EFFECTIVE STREAM AREA(ACRES) = 1.84 (TOTAL STREAM AREA(ACRES) = 1.84 PEAK FLAW RATE(CFS) AT CONFLUENCE = 4.67 jCONFLUENCE INFORMATION: ,STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 33.83 12.43 2.963 .49 2 19.67 13.68 2.797 .49 3 4.67 12.76 2.916 .10 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) - ------------------------------------------ 1 57.59 24.49 2 55.70 25.41 3 57.15 24.77 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 57.59 TIME(MINUTES) _ 14.12 9.45 Q 2 } 1.84 12.427 EFFECTIVE AREA(ACRES) = 24.49 TOTAL AREA(ACRES) = 29.30 t*��r*sYsY�ri����r�z*s'r*�rir*�*���*tctrsY*i�*�x*sYtY**�tc�{t�sr*srscsts��i4i�*sri�SY�irs"r�isrtYs����SrtriY�csk�*sY� FLAW PROCESS FROM NODE 181.06 TO NODE 190.00 IS CODE = 3 --------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLAW) ««< DEPTH OF FLAW IN 33.0 INCH PIPE IS 26.0 INCHES PIPEFLAW VELOCITY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 1277.90 DOWNSTREAM NODE ELEVATION = 1269.00 F OWLLNGTH (Fes; ---660. 00 MANNTNGS N _- .013 - - ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 57.59 TRAVEL TIME(MIN.) _ .96 TC(MIN.) = 13.39 FLAW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.39 (RAINFALL INTENSITY (INCH./HOUR) = 2.83 'EFFECTIVE STREAM AREA(ACRES) = 24.49 TOTAL STREAM AREA(ACRES) = 29.30 nEAK FLAW RATE(CFS) AT CONFLUENCE = 57.59 (FLOW PROCESS FROM NODE 191.11 TO NODE 191.12 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS COMMERCIAL Y TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1281.50 DOWNSTREAM ELEVATION = 1272.70 ELEVATION DIFFERENCE = 8.80 TC = .304*[( 1000.00** 3.00)/( 8.80)]** .20 = 12.416 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.965 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, FM(INCH/HR) _ .0970 SUBAREA RUNOFF(CFS) = 3.28 TOTAL AREA(ACRES) = 1.27 PEAK FLOW RATE(CFS) = 3.28 FLAW PROCESS FROM NODE 191.12 TO NODE 190.00 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< _ ________________________________=_________--_____ .PSTREAM ELEVATION = 1272.70 DOWNSTREAM ELEVATION = 1266.40 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. TR STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) _ .260 gPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.68 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) _ .40 HALFSTREET FLOODWIDTH(FEET) = 2.77 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.19 PRODUCT OF DEPTH&VELOCITY = 2.07 STREETFLOW TRAVELTIME(MIN) = 1.03 TC(MIN) = 13.44 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.827 -S-IL - C SSIFICAT-l6N !S "A" - COMMERCIAL SUBAREA LASS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) _ .33 SUBAREA RUNOFF(CFS) EFFECTIVE AREA(ACRES) = 1.60 AVERAGED Fm(INCH/HR) _ .097 TOTAL AREA(ACRES) = 1.60 PEAK FLAW RATE(CFS) _ END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .41 HALFSTREET FLOODWIDTH(FEET) _ FLAW VELOCITY(FEET/SEC.) = 5.29 DEPTH*VELOCITY = 3.93 C�-;#83a2. 2.82 2.18 FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< r'ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 A!:-�: .ME OF CONCENTRATION(MINUTES) = 13.44 �cAINFALL INTENSITY (INCH./HOUR) = 2.83 EFFECTIVE STREAM AREA(ACRES) = 1.60 TOTAL STREAM AREA(ACRES) = 1.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 3.93 FLAW PROCESS FROM NODE 191.00 TO NODE 191.13 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]'** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1280.90 ,DOWNSTREAM ELEVATION = 1267.80 'ELEVATION DIFFERENCE = 13.10 TC = .389*[( 1000.00** 3.00)/( 13.10)]** .20 = 14.672 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.682 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 11.11 TOTAL AREA(ACRES) = 5.62 PEAK FLOW RATE(CFS) ************************************************************************ FLAW PROCESS FROM NODE 191.13 TO NODE 190.00 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1267.80 DOWNSTREAM ELEVATION = 1266.40 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 .STANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 (OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 14.02 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT -NEG -L -IB RS -OUTSIDE -OF- THE -STREET- CHANNEL -.- THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = 1.02 HALFSTREET FLOODWIDTH(FEET) = 5.16 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.41 PRODUCT OF DEPTH&VELOCITY = 4.50 STREETFLOW TRAVELTIME(MIN) = 1.13 TC(MIN) = 15.81 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.565 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LASS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 3.10 SUBAREA RUNOFF(CFS) = 5.80 EFFECTIVE AREA(ACRES) = 8.72 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA ( ACRES ) = 8.72 PEAK FLOW RATE(CFS) = 16.3 2ljrj 3 END OF SUBAREA STREETFLOW HYDRAULICS: - -- 'EPTH(FEET) = 1.08 HALFSTREET FLOODWIDTH(FEET) = 5.40 ,OW VELOCITY(FEET/SEC.) = 4.67 DEPTH*VELOCITY = 5.05 To 719,t- C o �q Fuc --_,,i cjs A �= l9 - ?7 C �s FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE = 1 ---------------------------------------------------------------------------- j»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ----------- ---__--- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 15.81 (RAINFALL INTENSITY (INCH./HOUR) = 2.56 EFFECTIVE STREAM AREA(ACRES) = 8.72 TOTAL STREAM AREA(ACRES) = 8.72 PEAK FLOW RATE(CFS) AT CONFLUENCE = 16.32 FLOW PROCESS FROM NODE 300.10 TO NODE 180.10 IS CODE = 2 -------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS COMMERCIAL TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1291.00 "NWNSTREAM ELEVATION = 1281.30 �EVATION DIFFERENCE = 9.70 TC = .304*[( 1000.00** 3.00)/( 9.70)]** .20 = 12.176 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.999 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA IHSS RATE, Fm(INCH/HR) _ .0970 SUBAREA RUNOFF(CFS) = 3.13 TOTAL AREA(ACRES) = 1.20 PEAK FLOW RATE(CFS) = 3.13 FLOW PROCESS FROM NODE 180.10 TO NODE 190.00 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1281.30 DOWNSTREAM ELEVATION 1268.50 STREET LENGTH(FEET) = 930.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 - INTERIOR STREET-CROS'aFrAL-L-(DEC3 MAL)-- - --.Z40 --- OUTSIDE -OUTSIDE STREET CROSSFALL(DECIMAL) _ .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.86 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) _ .45 HALFSTREET FLOODWIDTH(FEET) = 2.96 AVERAGE FLAW VELOCITY(FEET/SEC.) = 4.55 PRODUCT OF DEPTH&VELOCITY = 2.04 STREETFLOW TRAVELTIME(MIN) = 3.41 TC(MIN) = 15.59 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.587 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH,'TT_I;) _ .0970 "UBAREA AREA(ACRES),= .65 SUBAREA RUNOFF(CFS) ?FECTIVE AREA(ACRES) = 1.85 AVERAGED Fm(INCH/HR) _ .097 TOTAL AREA(ACRES) = 1.85 PEAK FLAW RATE(CFS) _ END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .46 HALFSTREET FLOODWIDTH(FEET) _ FLAW VELOCITY(FEET/SEC.) = 4.68 DEPTH*VELOCITY = 1.46 4.15. C.6 3.01 2.19 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ************tr* FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION(MINUTES) = 15.59 RAINFALL INTENSITY (INCH./HOUR) = 2.59 EFFECTIVE STREAM AREA(ACRES) = 1.85 'TOTAL STREAM AREA(ACRES) = 1.85 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4.15 (CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 57.59 13.39 2.834 .46 24.49 2 3.93 13.44 2.827 .10 1.60 3 16.32 15.81 2.565 .49 8.72 4 4.15 15.59 2.587 .10 1.85 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 4 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 81.04 35.06 2 80.90 35.11 3 75.06 36.66 4 75.60 36.54 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLAW RATE(CFS) = 81.04 TIME(MINUTES) = 13.386 EFFECTIVE AREA(ACRES) = 35.06 TOTAL AREA(ACRES) = 41.47 FLOW PROCESS FROM NODE 190.00 TO NODE 195.00 IS CODE = 3 --------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLAW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.7 UPSTREAM NODE ELEVATION = 1266.40 iDOWNSTREAM NODE ELEVATION = 1260.00 FLOWLENGTH(FEET) = 910.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 81.04 TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 14.94 _oOW PROCESS FROM NODE 195.00 TO NODE 195.00 IS CODE 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.94 (RAINFALL INTENSITY (INCH./HOUR) = 2.65 EFFECTIVE STREAM AREA(ACRES) = 35.06 TOTAL STREAM AREA(ACRES) = 41.47 (PEAK FLOW RATE(CFS) AT CONFLUENCE = 81.04 FLOW PROCESS FROM NODE 191.01 TO NODE 195.00 IS CODE = 2 . .-------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1280.50 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE = 20.50 TC = .389*[( 1000.00** 3.00)/( 20.50)]** .20 = 13.415 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.830 IIL CLASSIFICATION IS "A" -:'SIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, FM(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 11.12 TOTAL AREA(ACRES) = 5.27 PEAK FLOW RATE(CFS) = 11.12 t-kiric3r�ttr3c�r�F�Ar�k�t�c�F�tk3ksFi�*�*ic�Y�lr�r3rststsY3t�r�c�r�t�F�r�r3c�iric�t�r*sYic*sYstst�c�k*std**ik**fir*******�t�rsF*�4� FLOW PROCESS FROM NODE 195.00 TO NODE 195.00 IS CODE = 1 --------------------------------------------------------------------------- '>»>DESIGNATE INDEPENDENT STREAK FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.42 RAINFALL INTENSITY (INCH./HOUR) = 2.83 EFFECTIVE STREAM AREA(ACRES) = 5.27 TOTAL STREAM AREA(ACRES) = 5.27 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.12 FLOW PROCESS FROM -NODE -- 192-.-0-0 T6 -NODE 195. 00 IS COD ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE- TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 'INITIAL SUBAREA FLOW -LENGTH = 660.00 UPSTREAM ELEVATION = 1269.40 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE = 9.40 TC = .389*[( 660.00** 3.00)/( 9.40)]** .20 = 12.219 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.993 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 10.00 ^'OTAL AREA(ACRES) = 4.43 PEAK FLOW RATE(CFS) = i0.00 FLOW PROCESS FROM NODE 195.00 TO NODE 195.00 IS CODE = 1 .-------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< i»»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.22 (RAINFALL INTENSITY (INCH./HOUR) = 2.99 EFFECTIVE STREAM AREA(ACRES) = 4.43 TOTAL STREAM AREA(ACRES) = 4.43 PEAK FLOW RATE(CFS) AT CONFLUENCE = 10.00 CONFLUENCE INFORMATION: STREAM PEAK FLAW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------ 1 81.04 14.94 2.653 .43 35.06 2 11.12 13.42 2.830 .49 5.27 3 10.00 12.22 2.993 .49 4.43 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 'CONFLUENCE FORMULA USED FOR 3 STREAMS. 'SUMMARY RESULTS: REAM CONFLUENCE EFFECTIVE _jMBER Q(CFS) AREA (ACRES ) ------------------------------------------- 1 99.97 44.76 2 99.04 41.18 3 97.26 37.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 99.97 TIME(MINUTES) = 14.942 EFFECTIVE AREA(ACRES) = 44.76 -OTAL AREA(ACRES) = 51.17 FLOW PROCESS FROM NODE 195.00 TO NODE 191.04 IS CODE = 3 ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------------------------ ------------------ DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.2 INCHES 1PIPEFLOW VELOCITY(F$ET/SEC.) = 11.1 UPSTREAM NODE ELEVATION = 1260.00 - -- DOWNSTREAM NODE ELEVATION = 1255.90 FLOWLENGTH(FEET) = 490.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 99.97 TRAVEL TIME(MIN.) = .74 TC(MIN.) = 15.68 FLOW PROCESS FROM NODE 191.04 TO NODE 191.04 IS CODE 1 -------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.68 RAINFALL INTENSITY (INCH./HOUR) = 2.58 "vFECTIVE STREAM AREA(ACRES) = 44.76 ,TAL STREAM AREA(ACRES) = 51.17 PEAK FLOW RATE(CFS) AT CONFLUENCE = 99.97 ************************************************************************** FLOW PROCESS FROM NODE 191.02 TO NODE 191.05 IS CODE = 2 -------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE ITC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1281.00 DOWNSTREAM ELEVATION = 1267.70 ELEVATION DIFFERENCE = 13.30 TC = .389*[( 1000.00** 3.00)/( ..13.30)]** .20 = 14.628 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.687 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, FM(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 7.03 TOTAL AREA(ACRES) = 3.55 PEAK FLOW RATE(CFS) = 7.03 FLOW PROCESS FROM NODE 191.05 TO NODE 191.04 IS CODE 6 ------------------------------------------------------------------------ �::_ >>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< -------------------------------------- ----- UPSTREAM ELEVATION = 1267.70 DOWNSTREAM ELEVATION = 1255.90 STREET LENGTH(FEET) = 840.00 CURB HEIGTH(INCHES) 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .480 ''UTSIDE STREET CROSSFALL(DECIMAL)" = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.39 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLAW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .73 HALFSTREET FLOODWIDTH(FEET) = 4.04 AVERAGE FLAW VELOCITY(FEET/SEC.) = 6.22 PRODUCT OF DEPTH&VELOCITY = 4.53 STREETFLOW TRAVELTIME(MIN) = 2.25 TC(MIN) = 16.88 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.466 SOIL CLASSIFICATION IS "A" SOIL 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, SUBAREA AREA(ACRES) = 4.88 SUBAREA RUNOFF(CFS) EFFECTIVE AREA(ACRES) = 8.43 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 8.43 PEAK FLOW RATE(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .83 HALFSTREET FLOODWIDTH(FEET) _ FLAW VELOCITY(FEET/SEC.) = 6.70 DEPTH*VELOCITY = Fm(INCH/HR) _ .4850 8.70 15.03 4.41 G 3 oS- 5.54 "r'LOW PROCESS FROM NODE 191.04 TO NODE 191.04 IS CODE = 1 ---------------------------------------------------------------------------- t>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< >>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.88 RAINFALL INTENSITY (INCH./HOUR) = 2.47 EFFECTIVE STREAM AREA(ACRES) = 8.43 (TOTAL STREAM AREA(ACRES) = 8.43 PEAK FLOW RATE(CFS) AT CONFLUENCE = 15.03 SONFLUENCE INFORMATION: (STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------ RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 1 99.97 15.68 2.577 .44 44.76 2 15.03 16.88 2.466 .48 8.43 (RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ------------------------------------------- 1 114.71 52.59 2 109.78 53.19 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 114.71 TIME(MINUTES) = 15.679 EFFECTIVE AREA(ACRES) = 52.59 TOTAL AREA(ACRES) = 59.60 ------------ END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 59.60 EFFECTIVE AREA(ACRES) 52.59 - ',AK FLOW RATE(CFS) 114.71 END OF RATIONAL METHOD ANALYSIS 2) LINE 'B' HYDROLOGY b) 100 -YR. FREQUENCY RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************** EAST VILLAGE HYDROLOGY, LINE B Q 100 YR ************************************************************************** FILE NAME: A:EVLINEB.DAT TIME/DATE OF STUDY: 13:12 11/23/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 `IMPUTED RAINFALL INTENSITY DATA: ,rORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 (FLOW PROCESS FROM NODE 108.05 TO NODE 109.00 IS CODE = 2 ;-------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ---------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 550.00 UPSTREAM ELEVATION = 1305.50 DOWNSTREAM ELEVATION = 1292.00 ELEVATION DIFFERENCE = 13.50 TC = .389*[( 550.00** 3.00)/( 13.50)]** .20 = 10.188 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.259 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, FM(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 10.19 TOTAL AREA(ACRES) = 3.00 PEAK FLOW RATE(CFS) = 10.19 k*�isYtr�Sr�rirsr3raY�r4t1k�[t***�t�r�t�'rstit�F�k3csttr*s`i�r�'rstsYs'riztritrsf*sYfr�t'r�*srfr�r�'r�r�cs'r4Y*St�r�tskist3k�rsYs'r�ztc'rsrx*3rsYst T,OW PROCESS FROM NODE 108.05 TO NODE 109.00 IS CODE = 1 ------------------------------------------------------------ »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = .10.19 RAINFALL INTENSITY (INCH./HOUR) = 4.26 EFFECTIVE STREAM AREA(ACRES) = 3.00 TOTAL STREAM AREA(ACRES) = 3.01) lAK FLOW RATE(CFS) AT CONFLUENCE = 10.19 k�F�t�c�c9t�r�cic�c*iticic�kicitiicic�c�c4r*�r�i�ic�Fic�k�r�'r*�c�rsk�ritsSr�43cs4iririt�Fs4sY�csYir�k�FirstYtiirir�sYsY�rtriYfr�r�Y�3rsYtrsrfrif�'r FLOW PROCESS FROM NODE 108.03 TO NODE 109.00 IS CODE = 2 ----=---------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE _SC =_K_*[(LEKGTH** 3 * ,/ (ELEVATION- CH. GZjj**--. 20_ INITIAL SUBAREA FLOW -LENGTH = 850.00 UPSTREAM ELEVATION = 1297.40 DOWNSTREAM ELEVATION = 1292.00 ELEVATION DIFFERENCE = 5.40 TC = .389*[( 850.00** 3.00)/( 5.40)]** .20 = 15.890 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.262 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 9.75 TOTAL AREA(ACRES) = 3.90 PEAK FLOW RATE(CFS) = 9.75 FLAW PROCESS FROM NODE 108.03 TO NODE 109.00 IS CODE = 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.89 RAINFALL INTENSITY (INCH./HOUR) = 3.26 EFFECTIVE STREAM AREA(ACRES) = 3.90 TOTAL STREAM AREA(ACRES) = 3.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 9.75 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) ---------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) --------- 1 10.19 10.19 4.259 .49 3.00 2 9.75 15.89 3.262 .49 3.90 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) •-------------------------------------------- 1 18.69 5.50 2 17.25 6.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 18.69 TIME(MINUTES) = 10.188 RFFECTIVE AREA(ACRES) = 5.50 )TAL AREA(ACRES) = 6.90 i FLOW PROCESS FROM NODE 109.00 TO NODE 181.05 IS CODE a 3 --------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ,PTH OF FLOW IN 24.0 INCH PIPE IS 14.9 INCHES .:PEFLOW VELOCITY(FEET/SEC.) = 9.1 UPSTREAM NODE ELEVATION = 1292.00 DOWNSTREAM NODE ELEVATION = 1278.30 FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.69 TRAVEL TIME(MIN.) = 1.73 TC(MIN.) = 11.92 -FIAW__PR6r`ESS FRAM NUDE --IB TO_NODE 151: 3 _ S CODE = - ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 11.92 ;RAINFALL INTENSITY (INCH./HOUR) = 3.88 EFFECTIVE STREAM AREA(ACRES) = 5.50 TOTAL STREAM AREA(ACRES) = 6.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 18.69 FLOW PROCESS FROM NODE 181.02 TO NODE 109.10 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< 1,2VELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 780.00 UPSTREAM ELEVATION = 1300.00 DOWNSTREAM ELEVATION = 1294.00 ELEVATION DIFFERENCE = 6.00 TC = .389*[( 780.00** 3.00)/( 6.00)]** .20 = 14.777 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.408 SOIL CLASSIFICATION IS "A" (RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.52 TOTAL AREA(ACRES) = 2.10 PEAK FLOW RATE(CFS) = 5.52 FLOW PROCESS FROM NODE 109.10 TO -NODE 181.05 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< _------------------- -- ------ --_---__ -- -�- UPSTREAM ELEVATION = 1293.20 DOWNSTREAM ELEVATION 1278.30 STREET LENGTH(FEET) = 930.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 'TSIDE STREET CROSSFALL(DECIMAL) = .180 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.64 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLAW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .61 HALFSTREET FLOODWIDTH(FEET) = 4.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.55 PRODUCT OF DEPTH&VELOCITY = 3.36 STREETFLOW TRAVELTIME(MIN) = 2.79 TC(MIN) = 17.57 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.072 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 _SUBAREA AREA(ACRES) = 1_.81 SUBAREA RUNOFF(CFS) 4.21 EFFECTIVE AREA(ACRES) = 3.91 -- - AVERAGED FM(INCH/HR) _ .485 TOTAL AREA(ACRES) = 3.91 PEAK FLOW RATE(CFS) = 9.10 END OF SUBAREA STREETFLOW HYDRAULICS: __--- DEPTH(FEET) = .64 HALFSTREET FLOODWIDTH(FEET) = 4.21 FLOW VELOCITY(FEET/SEC.) = 5.95 DEPTH*VELOCITY = 3.83 FLAW PROCESS FROM NODE 181.05 TO NODE 181.05 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -_-___----------- -------=�_-_------ -- _ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.57 �INFALL INTENSITY (INCH./HOUR) = 3.07 ,ZFECTIVE STREAM AREA(ACRES) = 3.91 TOTAL STREAM AREA(ACRES) = 3.91 PEAK FLOW RATE(CFS) AT CONFLUENCE = 9.10 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------ RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 18.69 11.92 3.876 .49 5.50 2 9.10 17.57 3.072 .49 3.91 1 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ------------------------------------------- 1 26.78 8.15 2 23.36 9.41 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 26.78 TIME(MINUTES) = 11.921 EFFECTIVE AREA(ACRES) = 8.15 TOTAL AREA(ACRES) = 10.81 DW PROCESS FROM NODE 181.05 TO NODE 181.05 IS CODE = 1 ------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< -------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 11.92 RAINFALL INTENSITY (INCH./HOUR) = 3.88 EFFECTIVE STREAM AREA(ACRES) = 8.15 TOTAL STREAM AREA(ACRES) = 10.81 EAK FLOW RATE(CFS) AT CONFLUENCE = 26.78 FLOW PROCESS FROM NODE 181.00 TO NODE 181.08 IS CODE 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 160.00 - - UPSTREAM ELEVATION = 1296.50 DOWNSTREAM ELEVATION = 1280.30 ELEVATION DIFFERENCE = 16.20 TC = .389*[( 1000.00** 3.00)/( 16.20)]** .20 = 14.062 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.511 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 19.20 TOTAL AREA(ACRES) = 7.05 PEAK FLOW RATE(CFS) a 19.20 FLOW PROCESS FROM NODE 181.08 TO NODE 181.05 IS CODE = 6 ---------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< )PSTREAM ELEVATION = 1280.30 DOWNSTREAM ELEVATION 1278.30 STREET LENGTH(FEET) = 180.00 CURB HEIGTH(INCHES) s 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 19.40 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .97 HALFSTREET FLOODWIDTH(FEET) = 4.98 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.62 PRODUCT OF DEPTH&VELOCITY = 6.44 STREETFLOW TRAVELTIME(MIN) = .45 TC(MIN) = 14.52 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.444 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = .15 SUBAREA RUNOFF(CFS) _ .40 FFECTIVE AREA(ACRES) = 7.20 ,NERAGED Fm(INCH/HR) _ .485 fn TOTAL AREA(ACRES) = 7.20 PEAK FLOW RATE(CFS) = 19.20 END OF SUBAREA STREETFLOW HYDRAULICS: ----- DEPTH(FEET) _ .97 HALFSTREET FLOODWIDTH(FEET) a 4.98 - FLOW VELOCITY(FEET/SEC.) = 6.55 DEPTH*VELOCITY = 6.37 7() TPJ- Con.ir,. vtn,rL'P i- -- 27. 8 CFS 'AW PROCESS FROM NODE 181.05 TO NODE 181.05 IS CODE 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -------- ----- ----- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.52 RAINFALL INTENSITY (INCH./HOUR) = 3.44 EFFECTIVE STREAM AREA(ACRES) = 7.20 TOTAL STREAM AREA(ACRES) = 7.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 19.20 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) -------------------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 26.78 11.92 3.876 .49 8.15 2 19.20 14.52 3.444 .49 7.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) -------------------------------------------- AREA(ACRES) 1 44.85 14.07 2 42.57 15.35 ')MPUTED.CONFLUENCE ESTIMATES ARE AS FOLLOWS: _;AK FLOW RATE(CFS) = 44.85 TIME(MINUTES) = 11.921 EFFECTIVE AREA(ACRES) = 14.07 TOTAL AREA(ACRES) = 18.01 FLOW PROCESS FROM NODE 181.05 TO NODE 181.06 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< --- -_-__-----r_ DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.3 jUPSTREAM NODE ELEVATION = 1278.30 (DOWNSTREAM NODE ELEVATION = 1277.90 FLOWLENGTH(FEET) = 130.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 IPIPEFLAW THRU SUBAREA(CFS) = 44.85 TRAVEL TIME(MIN.) = .34 TC(MIN.) = 12.26 FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 'NFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: iME OF CONCENTRATION(MINUTES) = 12.26 RAINFALL INTENSITY (INCH./HOUR) = 3.81 EFFECTIVE STREAM AREA(ACRES) = 14.07 TOTAL STREAM AREA(ACRES) = 18.01 PEAK FLOW RATE(CFS) AT CONFLUENCE = 44.85 OW PROCESS FROM NODE 181.01 TO NODE 181.06 IS CODE = 2 ------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1296.50 DOWNSTREAM ELEVATION = 1277.90 ELEVATION DIFFERENCE = 18.60_ TC = .389*[( 1000.00** 3 . 00) / ( 18. 60) J ** . 20 13._679____ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.569 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ SUBAREA RUNOFF(CFS) = 26.23 TOTAL AREA(ACRES) = 9 45 PEAK FLOW RATE(CFS) 26 23 .4850 -# 3 0, k�c�r�rtrirtr�i�rirtt�r3raY�ks�tr�'r�'r�csf*s'rszsY�r�tik3r**frs'rsY*�rs4�Et*�t�kitiF�lr3F*sYtesYsY�ririr�t*�rs��kdr�iz'it�c�rsY*frirsYsYsYl�sYs't�Ysk FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 1 •-------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.68 RAINFALL INTENSITY (INCH./HOUR) = 3.57 �FECTIVE STREAM AREA(ACRES) = 9.45 ..JTAL STREAM AREA(ACRES) = 9.45 PEAK FLOW RATE(CFS) AT CONFLUENCE = 26.23 FLOW PROCESS FROM NODE 181.04 TO NODE 181.07 IS CODE = 2 -------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS COMMERCIAL M ITC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLAW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1298.40 DOWNSTREAM ELEVATION = 1279.00 ELEVATION DIFFERENCE = 19.40 TC = .304*[( 1000.00** 3.00)/( -19.40)]** .20 = 10.600 � 100 YEAR RAINFALL, INTENSITY(INCH/HOUR) = 4.159 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA RUNOFF(CFS) = 5.05 TOTAL AREA(ACRES) = 1.38 PEAK FLOW RATE(CFS) = 5.05 FLAW PROCESS FROM NODE 181.07 TO NODE 181.06 IS CODE = 6 - ------------------------------------------------------------------------ />>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1279.00 DOWNSTREAM ELEVATION = 1277.90 STREET LENGTH(FEET) = 370.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 24.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 'TTSIDE STREET CROSSFALL(DECIMAL) _ .420 'PECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 5.80 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .80 HAZFHTRFE'Ir FIDODWTDTH (FEET) - AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.13 PRODUCT OF DEPTH&VELOCITY = 2.50 STREETFLOW TRAVELTIME(MIN) = 1.97 TC(MIN) = 12.57 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.755 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) _ .46 SUBAREA RUNOFF(CFS) ,EFFECTIVE AREA(ACRES) = 1.84 AVERAGED Fm(INCH/HR) _ .097 TOTAL AREA(ACRES) = 1.84 PEAK FLOW RATE(CFS) _ �END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .81 HALFSTREET FLOODWIDTH(FEET) _ FLOW VELOCITY(FEET/SEC.) = 3.17 DEPTH*VELOCITY = = 1.51 6.06 3.46 2.58 FLAW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE a 1 -;-------------------------------------------------------------------------- (»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.57 RAINFALL INTENSITY (INCH./HOUR) = 3.75 EFFECTIVE STREAM AREA(ACRES) = 1.84 TOTAL STREAM AREA(ACRES) = 1.84 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.06 iCONFLUENCE INFORMATION: ((STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 44.85 12.26 3.811 .49 14.07 2 26,23 13.68 3.569 .49 9.45 3 6.06 12.57 3.755 .10 1.84 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO SUMMARY RESULTS: USED FOR 3 STREAMS. RESULTTOTAL CFS STREAM CONFLUENCE EFFECTIVE QED NUMBER Q(CFS) AREA(ACRES) roN 1 L v N - ------------------------------------------ 1 76.21 24.34 2 73.58 25.36 3 75.71 24.59 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 76.21 TIME(MINUTES) a 12.265 EFFECTIVE AREA(ACRES) = 24.34 TOTAL AREA(ACRES) = 29.30 FLOW PROCESS FROM NODE 181.06 TO NODE 190.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------------------------------------------- DEPTH OF FLOW IN 39.0 INCH PIPE IS 26.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.6 UPSTREAM NODE ELEVATION = 1277.90 DOWNSTREAM NODE ELEVATION = 1269.00 FLOWLENGTH-(FEETI = -660-.-UO -- NGS _N-_= ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 76.21 TRAVEL TIME(MIN.) = .88 TC(MIN.) = 13.14 r************************************************************************** FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE = 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENTSTREAM1 ARE: (TIME OF CONCENTRATION(MINUTES) = 13.14 RAINFALL INTENSITY (INCH./HOUR) = 3.66 EFFECTIVE STREAM AREA(ACRES) = 24.34 TOTAL STREAM AREA(ACRES) = 29.30 7AK FLOW RATE(CFS) AT CONFLUENCE = 76.21 �'dt'�***************************************************iS �S*�1'Y t1 �%��•*�ti fi11�*1i T}Sf *St t`l '1'1 FLOW PROCESS FROM NODE 191.11 TO NODE 191.12 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< .=___ --- --------------- _---___ I DEVELOPMENT IS COMMERCIAL TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1281.50 DOWNSTREAM ELEVATION = 1272.70 ELEVATION DIFFERENCE = 8.80 TC = .304*[( 1000.00** 3.00)/( 8.80)]** .20 = 12.416 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.783 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA RUNOFF(CFS) = 4.21 TOTAL AREA(ACRES) = 1.27 PEAK FLOW RATE(CFS) = 4.21 .FLOW PROCESS FROM NODE 191.12 TO NODE 190.00 IS CODE = 6 r-------------------------------------------------------------------------- 1»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ,.0STREAM ELEVATION = 1272.70 DOWNSTREAM ELEVATION = 1266.40 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 E'CIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.73 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) _ .45 HALFSTREET FLOODWIDTH(FEET) = 2.96 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.58 PRODUCT OF DEPTH&VELOCITY = 2.50 STREETFLOW TRAVELTIME(MIN) = .96 TC(MIN) = 13.37 _100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.618 SOIL CLASSIFICATION IS '(A - COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA AREA(ACRES) = .33 SUBAREA RUNOFF(CFS) = 1.05 EFFECTIVE AREA(ACRES) = 1.60 AVERAGED Fm(INCH/HR) _ .097 TOTAL AREA(ACRES) = 1.60 PEAK FLOW RATE(CFS) - 5.07 SND OF SUBAREA STREETFLOW HYDRAULICS: - -- �� L DEPTH(FEET) = .47 HALFSTREET FLOODWIDTH(FEET) = 3.05 FLOW VELOCITY(FEET/SEC.) = 5.50 DEPTH*VELOCITY = 2.60 FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE = 1 ------------------------------------------------------------- ------------ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< _______----_____=________=__--_ ---mss NFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: .ME OF CONCENTRATION(MINUTES) = 13.37 RAINFALL INTENSITY (INCH./HOUR) = 3.62 '.G.'FFECTIVE STREAM AREA(ACRES) = 1.60 TOTAL STREAM AREA(ACRES) = 1.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 5.07 FLAW PROCESS FROM NODE 191.00 TO NODE 191.13 IS CODE = 2 --i------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 'UPSTREAM ELEVATION = 1280.90 -- DOWNSTREAM ELEVATION = 1267.80 ELEVATION DIFFERENCE = 13.10 TC = .389*[( 1000.00** 3.00)/( 13.10)]** .20 = 14.672 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.422 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 14.86 COTAL AREA(ACRES) = 5.62 PEAK FLAW RATE(CFS) 14.86 ;LAW PROCESS FROM NODE 191.13 TO NODE 190.00 IS CODE = 6 ---------------------------------------------------------------------------- >»»COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1267.80 DOWNSTREAM ELEVATION = 1266.40 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 ISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.76 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. _ THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCG' TRS OIUTS= OF -=--S=ET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = 1.15 HALFSTREET FLOODWIDTH(FEET) = 5.68 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.81 PRODUCT OF DEPTH&VELOCITY = 5.55 STREETFLOW TRAVELTIME(MIN) = 1.04 TC(MIN) = 15.71 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.284 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 3.10 SUBAREA RUNOFF(CFS) = 7.81 EFFECTIVE AREA(ACRES) = 8.72 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 8.72 PEAK FLOW RATE(CFS) END OF SUBAREA STREETFLOW HYDRAULICS: EPTH(FEET) = 1.24 HALFSTREET FLOODWIDTH(FEET) ;LOW VELOCITY(FEET/SEC.) = 4.99 DEPTH*VELOCITY 21.97w., 6.01 = 6.19 Td?/�L Co/gyL_UE+,< <C,,P ts/= 2.C�/� FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 15.71 RAINFALL INTENSITY (INCH./HOUR) = 3.28 EFFECTIVE STREAM AREA(ACRES) = 8.72 TOTAL STREAM AREA(ACRES) = 8.72 PEAK FLOW RATE(CFS) AT CONFLUENCE = 21.97 FLOW PROCESS FROM NODE 300.10 TO NODE 180.10 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< _------_____ DEVELOPMENT IS COMMERCIAL TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1291.00 )WNSTREAM ELEVATION = 1281.30 ELEVATION DIFFERENCE = 9.70 TC = .304*[( 1000.00** 3.00)/( 9.70)]** .20 = 12.176 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.827 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) _ .0970 SUBAREA RUNOFF(CFS) = 4.03 TOTAL AREA(ACRES) = 1.20 PEAK FLAW RATE(CFS) = 4.03 FLOW PROCESS FROM NODE 180.10 TO NODE 190.00 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1281.30 DOWNSTREAM ELEVATION = 1268.50 iSTREET LENGTH(FEET) = 930.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 _ 7NTERI-OR STREET CxuSSFA-LL(ut;C.LmAi,)-�--.24-0- - " -- - ,OUTSIDE STREET CROSSFALL(DECIMAL) _ .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.98 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) _ .51 HALFSTREET FLOODWIDTH(FEET) = 3.20 AVERAGE FLAW VELOCITY(FEET/SEC.) - 4.80 PRODUCT OF DEPTH&VELOCITY = 2.44 STREETFLOW TRAVELTIME(MIN) = 3.23 TC(MIN) = 15.41 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.323 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/:A ) _ .0970 "'TBAREA AREA(ACRES) = .65 SUBAREA RUNOFF(CFS) .'FECTIVE AREA(ACRES) = 1.85 AVERAGED Fm(INCH/HR) _ .097 TOTAL AREA(ACRES) = 1.85 PEAK FLOW RATE(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .52 HALFSTREET FLOODWIDTH(FEET) _ FLOW VELOCITY(FEET/SEC.) = 4.99 DEPTH*VELOCITY - 1.89 5.37 C-6--wA3OZ-A 3.24 2.fn FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION(MINUTES) = 15.41 RAINFALL INTENSITY (INCH./HOUR) _ ._3.32 EFFECTIVE STREAM AREA(ACRES) = 1.85 TOTAL STREAM AREA(ACRES) = 1.85 PEAK FLOW RATE(CFS) AT CONFLUENCE 5.37 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ,NUMBER ------------------------------------------------------------ RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 76.21 13.14 3.656 .46 24.34 2 5.07 13.37 3.618 .10 1.60 3 21.97 15.71 3.284 .49 8.72 4 5.37 15.41 3.323 .10 1.85 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 4 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ----------------------------------------- 1 107.12 34.78 2 106.39 34.96 3 99.22 36.51 4 100.15 36.34 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 107.12 TIME(MINUTES) = 13.140 !EFFECTIVE AREA(ACRES) = 34.78 TOTAL AREA(ACRES) = 41.47 1 FLOW PROCESS FROM NODE 190.00 TO NODE 195.00 IS CODE = 3 .-------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLAW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.6 UPSTREAM NODE ELEVATION = 1266.40 DOWNSTREAM NODE ELEVATION = 1260.00 FLOWLENGTH(FEET) = 910.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 107.12 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 14.57 ,.SOW PROCESS FROM NODE 195.00 TO NODE 195.00 IS CODE = 1 -------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.57 RAINFALL INTENSITY (INCH./HOUR) = 3.44 EFFECTIVE STREAM AREA(ACRES) = 34.78 TOTAL STREAM AREA(ACRES) = 41.47 PEAK FLOW RATE(CFS) AT CONFLUENCE = 107.12 kicir3F3F�k�tirth3Fhs4Ar**ir3r*ski'esfdF�'ekdiirsY�t*�ir3F*�ir�'rirtr�Y�kit**�t�rk*�*ft*tlt�r�'t**s4**lk�lr*trsYitsY it*�Y�ktr�irtttYtt�'i FLOW PROCESS FROM NODE 191.01 TO NODE 195.00 IS CODE = 2 .-------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< (DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1280.50 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE = 20.50 �TC = .389*[( 1000.00** 3.00)/( 20.50)]** .20 = 13.415 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.611 IL CLASSIFICATION IS "A" I.�ESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 14.83 TOTAL AREA(ACRES) = 5.27 PEAK FLOW RATE(CFS) 14.83 FLOW PROCESS FROM NODE 195.00 TO NODE 195.00 IS CODE = 1 --------------------------------------------------------------------------- »»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.42 RAINFALL INTENSITY (INCH./HOUR) = 3.61 EFFECTIVE STREAM AREA(ACRES) = 5.27 TOTAL STREAM AREA(ACRES) = 5.27 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.83 *************************************************************************** FLOW -PRO=S S FROM - NODE -19 2 -.-UD TO NODE 195-.00 TS -CODE--- � ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 660.00 UPSTREAM ELEVATION = 1269.40 DOWNSTREAM ELEVATION = 1260.00 ELEVATION DIFFERENCE = 9.40 TC = .389*[( 660.00** 3.00)/( 9.40)]** .20 = 12.219 100 YEAR RAINFALL INTENSITY(INCH/HOUR) 3.819 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA IHSS RATE, Fm(INCii/HR) a .4850 SUBAREA RUNOFF(CFS) = 13.29 'OTAL AREA(ACRES) = 4.43 PEAK FLOW RATE(CFS) 13.29 FLOW PROCESS FROM NODE 195.00 TO NODE 195.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.22 RAINFALL INTENSITY (INC:H./HOUR) = 3.82 EFFECTIVE STREAM AREA(ACRES) = 4.43 TOTAL STREAM AREA(ACRES) = 4.43 PEAK FLOW RATE(CFS) AT CONFLUENCE = 13.29 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER -------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 107.12 14.57 3.436 .43 34.78 2 14.83 13.42 3.611 .49 5.27 3 13.29 12.22 3.819 .49 4.43 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: TREAM CONFLUENCE EFFECTIVE -AMBER -------------------------------------------- Q(CFS) AREA(ACRES) 1 132.88 44.48 2 131.64 41.72 3 128.96 38.39 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 132.88 TIME(MINUTES) = 14.572 EFFECTIVE AREA(ACRES) = 44.48 'OTAL AREA(ACRES) = 51.17 kici�r�k��F�fci�i�ri�diic�k�cit�kic*�kics4*�r�iir�rk3F*icdtiFfrir�r*stst�itt�F�e�r�k�iticiricyt�t�F�t�r�rstsYst*3rsYtc�rxf{rs'r'xsYs�*fcirs43Yir FLOW PROCESS FROM NODE 195.00 TO NODE 191.04 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLAW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.0 UPSTREAM- NODE --ELEVATION 12 O.$0 -- DOWNSTREAM DOWNSTREAM NODE ELEVATION = 1255.90 FLOWLENGTH(FEET) = 490.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 132.88 TRAVEL TIME(MIN.) = .68 TC(MIN.) = 15.25 FLOW PROCESS FROM NODE 191.04 TO NODE 191.04 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.25 RAINFALL INTENSITY (INCH./HOUR) = 3.34 vFFECTIVE STREAM AREA(ACRES) = 44.48 )TAL STREAM AREA(ACRES) = 51.17 PEAK FLOW RATE(CFS) AT CONFLUENCE = 132.88 FLAW PROCESS FROM NODE 191.02 TO NODE 191.05 IS CODE 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLAW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1281.00 DOWNSTREAM ELEVATION = 1267.70 ELEVATION DIFFERENCE = 13.30 TC = .389*[( 1000.00** 3.00)/( 13.30)]** .20 = 14.628 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.428 iSOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 9.40 TOTAL AREA(ACRES) = 3.55 PEAK FLAW RATE(CFS) = 9.40 FLOW PRCCESS FROM NODE 191.05 TO NODE 191.04 IS CODE = 6 - ------------------------------------------------------------------------- ->>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 'UPSTREAM ELEVATION = 1267.70 DOWNSTREAM ELEVATION 1255.90 STREET LENGTH(FEET) = 840.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .480 ^TITSIDE STREET CROSSFALL(DECIMAL)_ = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 15.29 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLAW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLAW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .84 HALFSTREET- FLOODWIDTH-(FEET) - 4-:46 - - - - AVERAGE FLAW VELOCITY(FEET/SEC.) = 6.66 PRODUCT OF DEPTH&VELOCITY = 5.58 STREETFLOW TRAVELTIME(MIN) = 2.10 TC(MIN) = 16.73 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.163 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) s .4850 SUBAREA AREA(ACRES) = 4.88 SUBAREA RUNOFF(CFS) 11.76 (EFFECTIVE AREA(ACRES) = 8.43 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 8.43 PEAK FLOW RATE(CFS) - 20.32 END OF SUBAREA STREETFLOW HYDRAULICS: IDEPTH(FEET) = .95 HALFSTREET FLOODWIDTH(FEET) s 4.88 g 3 0 S FLOW VELOCITY(FEET/SEC.) = 7.23 DEPTH*VELOCITY = 6.86 C•B FLAW PROCESS FROM NODE 191.04 TO NODE 191.04 IS CODE a 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ___=____= _-----_ --------------__---_, CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.73 RAINFALL INTENSITY (INCH./HOUR) = 3.16 EFFECTIVE STREAM AREA(ACRES) = 8.43 !TOTAL STREAM AREA(ACRES) = 8.43 !PEAK FLOW RATE(CFS) AT CONFLUENCE = 20.32 !CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) -------------------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 132.88 15.25 3.343 .44 44.48 2 20.32 16.73 3.163 .48 8.43 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) . -------------------------------------------- AREA(ACRES) 1 152.66 52.16 2 144.95 52.91 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 152.66 TIME(MINUTES) 15.254 EFFECTIVE AREA(ACRES) = 52.16 TOTAL AREA(ACRES) = 59.60 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 59.60 "FFECTIVE AREA(ACRES) = 52.16' :AR FLAW RATE(CFS) a 152.66 END OF RATIONAL METHOD ANALYSIS r� 3) LINE 'D' HYDROLOGY a) 25 -YR. FREQUENCY i ' •k•3'i••�'•iF•k-k-:Sys•x:•isk�3c.•;—M1:.•i�•;t•�ie•aF•is••�k•YC•+t••k'••�'iciF#•�i•#•iFx•k�•—i�aE•it••ie•9�••ii•�if••—••ii•aFx••►•1i••—•—h9E••lE•k�E••lE•�•—'cif••tc'•3e••kit'•A-•ic•ic•i�9irr—it•�•�•—•is••ri•9e tic RPI i'IL,NF-1..- METHOD HO HYDROLOGY COMPUTER PROGRAM 1 t='(-iCt'ii` GE Qe: er"er ce; 1966 SAN BERNARDINO CO. HYDROLOGY CRITERION) Cooyr'•igml 1583 86167 Advanced Engineering Software (aes) Ver. 4.1C Release hate: 5/11/67 Serial 4 I0090a Esuecially prewred for; HALL R FOREMAN tit at #k�e� eta+ # ;t�tyta� aia� �t DESCRIPTION OF STUDY *: ,_••iiST V!"oAGE HYDROLOGY, LINE 1D, I * YRt0 E5 Y 3610-0109 0 t[t x. i •it tit'it•tit'brtit•tit•ti;•xrie•iF'3t•tit•tit•tit•it'3t•tirdEtiFtir##•lE•iE•#tiF-lf•tirtiFit•ii•tiFtiE••ii•tiFtit•if•#tiEtit•ti###•3c#tiE•ft•.�.tit••rc�<'ti6•iFtii•tiF*•#tit•##tic##:•it##tirti�•3t"itti4•Yi••i• FILE NAME: A:EVLINED.DAT T IME/DATE OF STUDY: 17:15 9/10/1966 USER SPECIFIED HYDROLOGY AND=HYDRAULIC MODEL INFORMATION: --=------------- --*TIME-GF-CONCENTRATION MODEL*-- - i. SER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SILO (INCH) — Q.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 tit•uSE R -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* ltiti•_'1`EAR STORM 60 -MINUTE INTENSITY ( INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY ( INCH/HOUR) 1.470 COMPUTED RAINFALL INTENSITY DATA: 67ORM EVENT = 25.00 i -HOUR INTENSITYQNCH/HOUR) = 1.1520 SLOPE IF i N T ENS 1 TY DURATION CURVE = .6000 •�• •ti• tit••is• #tit• tit• tit•ic tit• #>rt•tie• tir •i4••ii••iE• •ii••ii• •iF•iF tit• tit• •Y• #•ii• it•ti(•iF •it• tirx tiF ii•tit• •lt• tiE'iE •)t•iF tiE iE •1F •it•dE ii• dF it•tii-dr•1E• tiF dt• dF•it• tiE tii•dE••it• df•9F'# •3E•ir•ii-•k •if•ii• •lf• •lt• •3F�t• •ii•dt••ie• •it F"DW PROCESS Fi^t4.M C+iODE 401.20 TO NODE 401.31 18 CODE - 2 i J)) i fit ;'" I ONAL mE'•i HID INITIAL SUBAREA ANALYSIS < < < < ( DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -1- 5-7-DWELLINGS/ACRE C = i w L ((_ENG T r- ** 3.00)/(ELEVATION CHANGE)]** .20 " !N! T:W— S66ril'EA FLOW -•LEND H = 660.00 DZWNS REAM ELEVA T ION = 1262.97 ELEVATION DIFFERENCE = 7.26 TC - , 389 C ( 660.00** 3.000 7.28)1** .20 - 15.283 25 YEAR RAINFALL !NTENSITY(INCH/HOUR) = 2.617 SOIL- L.i...r1J•.S- 1F 1CA { 1LTi IS "Ai' RESIDENT .AL. -1 5-7 DWELLINGS/ACRE SUBAREA LOSS KATE, Fra ( INCH/HR) _ .4850 SuaAREA RUNOFF(CFS) - 7.27 TO T Aw AREA(ACRES) - 3.79 PEAT: FuOw RATE(CPS) = 7.27 #i•x•x'•ir•ii'•iE•u-x:••ic•s•'�•�•c4•'ir�ii•�s9i•iE•#•x�ii'itie•*••ir•ie•�••)i'•3t••iF•3i••if"3E'�E•3E•ir•3i'#•3e••ie•9i••?<•9c#-k•df••iE•�ii'#•iF•ii••if•#'tc•;e•�is••li•�ir#•ir•irii-•f'•ri••it•ii•#•ir•h•y; �er�: r, .i:..z. PLO,,-; PROCESS F R3M NODE E Z i 10 NODE 401.33 IS CODE -, ) i)) C,.:i1'=i» U•: E S i REETi=LOW TR�=?V ,LTImE HRU S{.�BAREA < t (< C_ --------------------- C:L.CV.H-;•ll:N--- i262.S7 r LOVf(V-`-'1.iEkM ELEVATION 1253.8;= Z7iEET LENGTH(FEET) - 360.00 CURB i-iEIGTH ( INCHES) i `J•-i•i\EE! P•7rfw WlDib(F•EET ) = :_0.00 DISTANCE F ROM CROWN TO CROSSE= ALL GRADEB RE AK - 12.00 INTERIOR STREET C..ROSSrALL (DECIMAL) = . 240 OSTSllaE STREET GROSSi ALL(DECIMAL) = .26al SPECIFIED NUMBER OF HALFSTREE 7 S CARRYING RUNOFF = 1 I, ## i RAVEL, 1ME COMPUTED USING MEAN FLOW(CFS) _ 7.27 S 7,REETFLGWMODEL RESULTS: STREET F "GWDEP + H ( FEET) = .52 nALFS T REE T FLOOL-WIDTI-H (FEET) = 3.24 AVERAGE FLOW VELOCITY (FEET/SEC.) = 6.76 PRODUCT OF DEPTr,&VELOCITY = 3.52 S T REETFLOW i RAVELTIME (MIN) = 69 TC(MIN) 16.17 ES YEAR RAINFALL INTENSITY (INCH-H/i-HOUR) _2.530 SOIL CLASSIP- ICATIQN IS "A'' COMMERCIAL IAL SUBAREA LOSS RATE. Fm ( INCH/HR) = .0970 SjBPR A AREA (ACRES) = .00 SUBAREA RUNOFF (CFS) _ .00 EFFEZ TI VE AREA (ACRES) 3.79 Imo. AVERAGED F m (INCH-i/H-HR) - .485 - TOTAL AREA (ACRES) = 3.79 PEAK FLOW RATE (CFS) - 7.27 END OP SUBAREA S T REETFLOW HYDRAULICS DEPTin (FEE;) = .52 HALFSTREET FLOODWIDTH (FEET) -- r' LOW VELOCITY (FEET /SEC.) 6. 76 DEPTH*VELOCITY 3.52 •ir•k.le••ic•fic'7e•Yc••3S'#-#'1tdr#tib#iF•Tc•ir•1E•iE�r•iC###iEiE•14•iF�E")E"if"ie"Ye#it•####•3e•df'#'iF#9E'##')E•'ie•9Ei69E•iF•k#'k'iF9E•#de••3E'-1t"7f•if•#9c•ic##9F•itic•3E'k••k• ..OW PROCESS FROM NODE 401.32 TO NODE 40 1.33 IS CODE - 6 ) > > > > �i ADI ;'ION OF 66BAREA TO MAINLINE PEAK F "OW < < < < t-------------------____- i::J-YEAR Ri'•31Nt'FiLL 1N I GNJITY (INI..I'i/HUUR) -- 2.530 SOIL C"ASSIFICA71ON IS "Ac' RES I DENTI A...•-> 5-7 DWELLINGS/ACRE SbBAREA LOSS RATE, F m (I NCH/ HR) _ i SiBAt'lEA AREA (i- jR: S) = 2.45 SUBAREA RUNOFF(CFS) .4850 - 4.5i EFFE071VE AREA(ACRES) 6.24 AVERAGED FM (11W..H/HR) -• .465 70TA" AREA(ACRES) - 6.24 PEAK FLOW RATE(CFS) = 11.46 i 2 (i 11 N) = !6.17 •i4• •fc• #• ii•'x •k •ii• # dr'� •?r �f•'if• #'3ic• �i• ### •3r •�• •fi• # it #-k• •k-•ii•-lr it # •3f �i' ## •kdi'## iF'l@### it##'lf�iF#�k•�le••iF# ##•ii�# #'it##tir it• *•'� # •u• -k• •ic � �- •!t •� R• FLDN PROCESS F RbM NODE 401.13 10 NODE 401.24 1S CODE _ E. ----------------------------- - ) i) :) �;u�ir'4..1iESTREE i FuDW TRAVELTImE THRJ SUBAREA (< < ((---------------------- 2 —:JP6 T•F;Ek i ELEVATION -- —=i`,+-3. C7i::-- DOWNSTREAM ELEVATION —__—!20S. 6 6 .-7;REi LEND s K (.FEE T) — 380. �L0 CURS HEIG T H (II` CHES) — 8. S REE . r - i).%STAxCE FROM i.);iGWN TO C,%SSFALL GRADEBREAK — 12.00 :N . ZRI R STREET O CF+6� A"" (DECIMAL) = . i_40 O .`S W DE STREi»:7 CROSaFAr L IDEC.I iS AL) = . ,_ 60 SPECZF IED iMJMiER OF HALFSTREEi'S GYiRRYINS RUNOFF = i I **7rRAVELT I ME COMPUTED USING MEAN FLOW ( CFS) — 11.46 J'{-R;.=L' I i" LUV MODEL RESUL T rte: NOTE: STR._E i FLOW EXCEEDS TOP OF CURB. THE FOLLOWING ST?EE T F LOW RESJLTS ARE EASED ON THE ASSut+,r ; 1 J v THAT iNEGLIELE FLOW OCCURS OUTSIDE DF THE STREET CHANNEL. Ti ;AT I5, ALL PLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET i' LCi+/ DEP TH ( FEET) = .74 nA"FS BEET F LOODWIDTH(FEET) = 4.09 AVERAGE FLOW VELI. CI T Y (FEE T /SE.C.) = 6. i i PRODUCT OF Z'EP H& ELOCI 1 Y = 4.52 ::;- RHZTFLGW T Ri=VELT IME(MIN) — 1.04 TC(MIN) = 17.21 j E5 !EkR RAINFALL iNTENSIiY(INCH/HDUR) — E.437 it L1N(�OLN S=L C "ASSiF.[CA ION 1S "A`i COMMERCIAL Ss.iSAREA LOSS RATE. Fm(INCH/HR) — .0970 SUEliarA AREA(ACRES) = .00 SUBAREA RUNOFF (CFS) = .0Z EFFECTIVE AREA(ACRES) — 6.24 j AVERAGED Frn(!NCH/Nit) — .485 ;. TOTAL AREA(ACRES) (ACRES) = 6.24 PEAK FLOW RATE (,FS) = EMD OF SUBAREA S T REE T FLOW HYDRAULICS: DEPTS (FEET) = .74 HALFSTREET FLOODWIDTH (FEET) — 4.09 FLOW VE"GO: T'Y'(FEET/SEC.) — 6.11 DEPTH#VELOCITY = 4.52 J� Tc = - til, = -24-4) 1(•48 � ��3ia:•Yr�i•ii•ii••k•�#k�:iF•�C•ir•K•K•k9¢#tF�E•ir�tiYr#•li•##•k••li•iE•3F•iF#•k•k•le•#•lF•###•x••x•##•3f•#•iE##•rF3F#i�c####�Fv:it-iE#i+iic•ni:�-;s3c=ii•ii•;i• F-50 F'rtOZESS FROM NODE 401.24 TO NODE 401.24 I5 CODE — ) i)) i DESIGN i 7E 1NDEPEND iii T STREAM FOR L'ONFLUENCE < { (<<—____.__._..._._,_.____.._---_.__ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AFiE=-_` --_—=-____------__^ •i IFF OF VONCENTRA T ION ZINUTES) — 17.21 ' SRNIN;:ALL INTENSITY (INCH./HOUR) = 2.44 EFFECTIVE STREAM AREA(ACRES) = 6.24 ' AREA(ACRES) •= 6.24 I PE.WX FLOW RATE(CFS) AT CONFLjENQE — 11.48 •R•#•if•#•ii••iE##ii•###•3F#•if-#•if•#####################################•le•#############iF##�F•###� FLOW PROCESS PROM NODE 40 I . E0 TO NODE 401.21 IS CODE = E ) )))) R T IONAL METHOD :i!`vI T IAL S BARER ANALYSIS (< < < <-------------~_-----_ --^- DEVELOPMENT 13 SINGLE 1-AMILY RESIDENTIAL -)-5-7rDWt ' -NCS/i- CRE •-••.•:=-.••-`-.-�:••_ L�J. 3 7Z = Kv (WENN T h* ,3. 00 (ELEVA T ii_N CHANL--it) _ * .2Z bXS, iCC;k 1 E"EVA. 1b k = !267. 03 DOWN57iti_F•M C•- VSA 11 N = 1259.83 i Tc -• . 38 J * % C 1 so. +[.iui** 3.00m ! 7.22)1** ^. i Z - 14.30-3 0-3 En YEAR Rr• INFA". lN7E SI 1 Y (INCH/HOUR) - 2.716 16 .SX... C:,-ASSIFiCATION 16 "All RESIDENT Zri_-) 5-7 DwcLLINGS/HC.;iiE SUBAREA LOSS RATE" - __ - * Flil r-�i•s) C iiVl.'N�i . '4d0�.� S,�BA en RUNOFF(CFS) = 6.73 r+riEA C ACRES) _• 3.35 PEAK FLOW RATE (CFS)- 6. 73 _ iC T' �' �'f: 'li"k '}C'ti"�"k"�F 7E' %C'lt;"� X'7C'fii"iC'jC•'%"�"R"Ir'ri"';l" iC'lf"k")t' �"�•'Y."�"�'•'k"�E"k"�"k"*"�' �C•lE"IC'�"*"�'lE"]t"x''3F";E"XC'�' jF'JC'YC '�`"7F 'X '�C'x•'A"kf"�."�C �'jE" �i'�:'7�''IC is 'IC' F�_Gvv PROCESS FROM NODE 401.21 O MODE 401.24 13 CODE Cr .--..---•---.__,_._•...__.------•------------------_--------.---.------------------.-...------- --. >)) .'•) C JXPU i E S7 tREE T F LOw T RAVE L T l ME=. THRU SUBA REA C C((( vr'S i ARE l ,, ELEVt i z GN - 1259.63 DOWNSTREAM ELEVATION = 1246.6 -Zi z7AZZ7 246.6-Ziz7AZ._T ..,EN37m C FEE';) - 49000 CURB HE i G T H (i NICHES) - S. STREET HA "F w ill T H CFEE T) = 2Z.00 D 12 ;= NZE FRCm CROWN 70 t_;ROSSF ALL GKrr• DEBREi- K z ATER S C R `a i iCEE7 C ROSSF RLL (l.ie.0 I MAL) = . 24,0 L3 :_ M S i DE S T REE , CROSSFA"L ( DEC i IY AL) = . 260 SPECIFIED NUMBER OF HALF S T REETS CARRYING RUNOFF = i - * TRAVEL T ME COMPUTED USING MEAN FLOW(CFS) - 8.70 S7RRL,;_7FLOW MODEL RESU T S STREET FLOWDEP7m(FEET) .58 HALFSTREET FLOODWIDTH(FEET) = 3.46 ri•vL�Rritac �r r l_i FiW V'C. OCI I Y (FEE i /SEC. ) = 6.80 PROLSOT OF DEP T H&VELi. CI T Y = 3.D6 E7=77. . 0" Tl:AVELT 1ME(MIN) = 1.20 TO(MIN) - Ur- .:J.•._,J i LZ YEAR f:A:AFA -L !A i CitSI TY ( INCH/HOUR) -- 2.5W �` A "' Ell" ...-FiiJ w•+f` si...i-. a-1Ui•k s..i RESI..).:.N-i 1A.-) 5-'7 i.)v.EiLINSSii-iC RE I SUBAREA LOSS RATE, E, -^r(iiCHi- r) .4650 _v_rREA AREA(ACRES) = E.Z _jBAREA RUNOFF(CFS) EFFE071VE AREA(ACRES) 5.43 AVERI-,3ED 1" m i iNl.h/; iii) - .485 0 A._ r REA Cr•iC RES) - 5.43 ►-I- EAK LUW RATE(EFS) = 10.2D L• 4LPf - SOBA EA E EET LIN f- iYDRALii.,.Li..St L 0 , m (^ ........ , i - .6S i-1P-ZL,-ET REE T i' L_iJt..ilD. W .; D 1 H ( FEE T) -• 3.66 ,-Z- VL -,-.:=Y 4t'"EE, /SEl..) _= 7.07 DEi-`Ti" *VcL..4.CL 1 Y = 4.46 'lf• �'!t •yp s:• •?{• •ic# •ic •ib •i!• iF •D; it iE •Dr t:- ir• 9E •it• it•'3E 7i"iF'iC'!t'it'1E')f•-Ye• 3Fir'if'•7i• •k•ai-•)e•#iF iEiF �r•ir'iFdF iF'3Fit• di• •ii• it df••iE"IE"if' ii• •iF9edF�i••li•�F #'ii••it'ff'9F ik• iF'k"iF •rr # x di• 7t P -3v. i •RICESS PRIM ctijDz 40I.: 4 TO NODE 401.24 Q CORE -- i 1+}�E 13wAT_ 1 �v..ii..r L'!"yiL EN i STREAM I't!_(^ M t' LTR CON "UENCE (((((-- ^•�•-_.•._._--.-.__-.._...-.... ) i i i 1 i i ) ) i I' NZ COiri M^ U t E •4 t' R 1 GGS 6.1JN LLJG.i CED S 1 ((Gfyx V HLUES ( (( C < I ZO,biF"jZX0E •V AL -.iii: S jSr:.D QR R 1&DC.F-'C,NDEN T S 1 Kc,l=M 2 ARE; 4 fir• 1-7---,!,-_ --,r. i " - . 71�Z 17 1055 RA: ,'•i• ". 1.M7ENG+7Y L aNZm. /mL. UR) •^ 2.53 .r L_Z . : vE E . , ZN , AREA :,^M1i.+,iC,S) - 5.43 7Z7A. VREAM i"'iRei-i tA...'Cc;' e 5.413 Imo' PEA" A . . -ZA RA , i_, ;X5) A'1 i...Oi\^i...:.1CNIL' - .0. 25 CZnF"WENZE +N i~JI\I'!A1U/4M 27REAn Y•E!• 0 \ •-00 1 1 M INTENSITY S Fx E FE07 T E ,.,,=T RA70CFE; (MIN.) (INCH/nOUR) (IN/hRA AREA(ACRES) + 11.0E 1 7. Z1 2.4V .49 S. E4 iz.Li i5. ``z E. 5so .49 5.4.3 IiA: ,e~r'1,_,_ 14 ENS: { 5i t•NZ TIME O ter, -n TIC vl.Ii4�..Gi11 t'CH { T�i�l FBF; � iw rw,tli'•LL.1:i L'4CE i t1:llailJ"A USED FOR G S , REAMS. "INBER loops) AREA(ACRES) Z_ .P.= w,. n!.._wEi4LE ES 7 +MA i G.~7 ARE kS FOLLOWS: PC,AA - -Cm RA7G l v PS) •= 21.48 i 1 iME ( M I NUTcS) ^ 15.550 ii.67 QIS,�L _ .2a�-16 Tic 0 149- l Qat --4) •� �t tib # ri• ic• •r: •si• •9: •x •f• �s is �t •fc fi •;i• # •t• •it # ii• # # •ii• # •ii• # iF •3F # 3i• # # •iE 9ty'3f'�ii•�•3'i}• •ir # •li' ie• # •iE •k ii• # ie• •ii• •ii• # # # iE# #'* •it'3e• # •3i• •iE •ic if do •k •ii• •s� •i: # •De• x •s�� -�¢• �t> i .,.wii I^�^3.r._ SZ PROM M f'+5.±a)!_`w 1101. L_.4 TO NODE 401.E5 IS CODE '- z )) :) �Iui• Pj7 XE+-�L_LW T ZAVEL^TIME THRU SUBAREA < < (< < - _ _._._..___._._. ) i) i ! ULING ivy` PS T E R -ES 1 tip A T E i=`IPESI ZE (NON -PRESSURE �• �I.iw) < < t < t ✓ZP h 3F C L..34 IN 24.0 1 1.41..E f PIPE IS 16.9 ii'w1nHES _-•••• r 1F'':=i-"OW 'V_sL.`L.CI l Y CFEET/SEC. ) ` •moi. + ig U 2 REA 1 NODE EwE V A l ON = 1248.80 .J.AS c i•.EAm ivOwE cLL' VA i IDN = 1244. aO '_UV .L4r%i:T ) - 310. kGMANNING:M .013 : ES 1..2D r+tL LrNETE'(1V00 24.00 NUMBER OF PIPE. .5EF-05 iRj ;:i...I}^•F�cREA ti,IP•S) '- gi...-46 7 Rr:1/'E . TIME ZIN. ) = .63 I C(MIN. ) 1S. 1Q # � •i+i• •fE• x'7: t• ir� is # •R� >•: tii• •;r R •x •sc •h• if •it• •ii- it •ii •h• yc •iY• }• •lf• •!f• •ie' •#• •is do •ir # •#• •%' •k•'i¢• 7c •?r yi• •�• # •iF•1!• •iF• •ii• •ic # •3�° •3i• i'r 3F •3i •ir yi• t3 -i• �ti• # •�'c # •ii• •ir ir• it• sE •ie• tic• •ic •ic •fi• •ri •sr x v. . -wW i-AZL..ES8 PROM NODE ti•li 1. aS 2 NODE 40i.= • �GJ .S CODE 1 1 1 --------------------------------------------------------------------------------- L_ I GNA7E 1 cV11._ PE1tia. EN , STREAM FOR CONFLUZNC E (((< < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ACRE: TIME OF CONCENTRATION(MINUTES) = 16.16 RAINFALL INTENSITY (INCH./HOUR) 5._; EFFECTIVE STREAM AREA(ACRES) = 1i.07 TOTAL STREAM AREA(ACRES) 11.67 PEAK FLOW RATE(CFS) AT CONFLUENCE = 51.46 5 J '•lE•df•�dE•1E'lE•'lF�f'df'd("if••iE�f•'1F•lE••1Ejf••1F•l@9E"lE•1E•iF•lFii••k•3e••le••iE••)E•�F•3i••3E'•9E••lE'%•ii"iF�i•yi••li•tiidi'df'•if•�i'de••Jrii••lE•tiF•Y:i:•;f•��s-•ir•3Fi!••irs�l.w.,k•:^••fi•r.••xr••i••r.�:7:•x•r,'::s; FLOW PROCESS FROM NODE 409.0 TO NODE 400. L,: !S lrOD2 -- i� — >))) > I�i=iT i CIV:=1L— — ---- h'iETi-ii:ic'� �, iV i T 1 i'-i� SuiiWri�:.i=ira�vi•=iL.'�`��' a S < t t (1-----_.___--------__....._._.._ DEVELOPMENT IS WiIV1aLC i-S"1111r._.____.=_�__..TT..-...-..._.....-_�..__.__.....-__`:.._�-��_...._.M:=_—._.._._.—_......._...-_.... Y Rte. S l DENY 1 l &— —> 5-7 )�N EL a iNGS r C XZ I TG = K* L l 1_. E NG i i-• ** 3. 0K) % ( E _EVt— 1— 4 C7tVJE) J** .20 1 iN i t 1 AL S&BAREA f- L W--LENB T H = =000 0 UPSTREAM ELEVATION == 12GO. 40 DOWNSTREAM ELEVATIGN _ ELEVATION DIFFERENCE = 16.10 a 14.Z79 / i� -•• . , iG' •3t : i i �fJ��iL�. �,i�l ir'3E 3.00)/( . i tom. i 1C) J i:SCi - I --25 `Y.EHi"(-t�ii�INFA...i_ ntiiE!�CSIT 111NC �%�'0UR) -` E. 7•fi IFICATION IS "All f'C:=..S Z 0EN 1 t- "— 5-7 DWELLINGS/ACRE DWELL i N3S%rCRE SUGRLH LOSS RATE, Ci(.4CZ/"X) a 4Zrt SUBAREA RJhO`tLOFS) ^- 13.64 I ri i i t A^ i i RRA t a1..1R' ES) -- 6.79 PEAK F "O" IR0 : E (G+F ) I 9E• 3t •ii• „^ •fi• •x-•ic•it •R• it•'3c tiE �• 9E •sF• •k •sc ii• •3d'fc 9i• •if• •'9t• �• ii• •it• it 3i• �E •ft• iF •}i• •iF •�(• •#r # iF'?F• iE tii• 3@• •iF •k• dr iF i5.3r 9f• # af• iF ytik •ii• �F'rc •iF •k Yr •1f �c'iE •iF ik •f. r k• •ic k• ;t• •fc• •x •i: •tc 7, i; i"-i_A i-R(.fi.ESS FROM NODE 401.25 70 NODE 401.25 i:.:5 18 CODE _ .. - - -- --------------`------ )) i i i ✓ZSi:NA.E jMJE wjEN STREAM FOR rON LUENCE (i ( ( ( i I i)) riiru L.1..li •P TE VARIOGS CON LUENCED STREAM VALUES((((( 'vui'v;'" .jZNZZ V A .UEE; L.1'JED 'r—L;R INDEPENDENT STiCtl=it`*i 2 ARE. . +-,N ". lJ- = 14.06 \ f_FFEC 1 VE STREAM AREA (Ai. RES) = 6.79 __3- Al S ii'iFrAf1t^Ir! M — i- AEA C ACRES) 6.79 - `EA � i "Ce E (C S) AT CONFLUENCE Nf• i_UENL. E 54• conF.jENCE INFORMATION: =,:..Ax r -::t -A F. -Ow ! 1ME INTENSITY Fm E ! . w»_,.... E I NJi'!1JEN RA ( ter 0FS; WIN.) ) iiVi.. m i OUR) (IN/•hR) HPCEA (f-9ORES i -------------------------------------------------------------- + E1.46 16.18 0 523 .4S i i. IG.+! F1A.1.l4` Ah " iii T ENSI T Y AND TIME OF CONCENTRATION RATIO = Ni- 1—jEmCE F td!"!:' i"A UO;_✓ ;.Vii C ; y , R AME. G ! RLl;M C nNs' LGE NI E7 EC I .. V L 1 NvWL'ET N.l(...f'i:!) AREA(ACRES) i --------------------------------------------- 3S.97 7 17. 6& E 34.54 a G. 4•E i.;iJi'Ir-'uTED O3 tiF I..rUc.NQE ESTIMATES AAE kS FOLLOi S _ ____ __54 IL•lr:i 6 � /':; .� fi'>i •m• 3 • �• ii •i:• r: •ic r: �. 'ii •,: •ii• •�": 't 'k' tic •i;•'t. 7: '„ 'rt•'1c'i: dr' •i� i4 '!1' i:• •k 'Y 'i ' :': 'D:' � •� :: 7:-%'�('fi ss st 'k •i6• :: •ia- •ie• •7F• 7: .�: xic - . i FLO& t^'AZZESS FRIM M {VLi.:'L' 4Z1.23 , O NDE �Plt_+G. � Z .6 COLE z ) i ) % ) LrOM t3^, E r I i•' � E �Zl RA v EL 1 I mL i H RU SUBAREA (M ( !- -- ^---r •. • 1 , I ♦ ) 4.S:A3:3 L,..ii'i:',_ 7ER-',=.v7.tMri l ED ,^ lrl_:.SIZE l,•4ON -P RCi.tiSGRE i ._06) l l l \ `. ..l.:.r i't Or .:',..vw ,r,V .:i :%. 0 VCh r -.P=:- 12 Z7.5 ,._... _ ._. _. ._-.,,-........_�.... _.r._-_•�__._.�.•..ti.__.... f ; !P'Mt_•W V,:._LWt.,1 t S f EE i [ i E0. ) - 5.5 t.iPG ii.:P•7X NtJ,i1:. •..._i.: V A 1 ON - 1244.30 D=37REAM NODE ELEVA71DN 1243.50 -Z6L wZ w GZ_-, ) -- 31 O. 4_•ti) I*ihli4Cv 1141 yE N • Z l Z ESTIMATED PIPE - ti NUMBER 1.11" -1FC-3. ,.RA•VZ- V VE 4 ii 6.) - .93 T1.; (MIN.) - 15.01 i • >� is � ai :i• � ri ;�• }• it :: �r'• x •se• ai• -k• •it- �- •ii• as• 'T' a;• •! R •ib at aE at ai•'it •�• at aE ar ai• at ai• ai-atai•at ai• at ai•� at aE aE ai• aE• z ar,r ai' ai' at �-# ae' •?;• �4 's<r •� -f:•.� y -:k. •A •sr,t• ter. d: �:' 7, 3" PR31EIS i•' t'il. K NODE 408. LZ TO NODE 406.20 1S LODE = i i i i , ESIGNi•ti^i ._ INDEPENDENT STREAM REAM FUR CiJi FLUENCE < < (< < i_.QN Lwi_;vQ2 VA"WEL QSCU FOR Ii4DGi-`Enii)ENT STREAM 1 ARE: 7.., Z i..,e^ viJNZZiti 1 ;'\A !jN (m:,wt3 1 .:S) •- 15.01 Ai••^ I XP ASL INTENSITY ( i NZn. i 'r;0QA) = 2.65 E r C1L+ , VE 3 i R::.I- S 1•iREA t At..RES; = 16.42 CONFLUENCE l��i:-•F^ A r .-.Gw RA l ::.. l 1..7' 3) AT CON LLlENCE '- 34.54 '3S"i{' �• # •K '�:' 7:"Df"3t"l4' mit' �A'Y ie• is ar-k• �c •lk• •!F aE' YE•"]'t' TC'iC'sE Yc• ar vi' aF aF �f• af' 9F"rDF1ik,'k' T�•F�'lfr •)E' •3E')E"iE' �F"3�' •YF JiC'R"YI"�">E"YC r�'E+'!E �E'1E"lE"�i' �t"�F'1E �"3E"fC'YC'K"3E"rC'lC 4["IC"K X'3ti .-._L4i rtRIGES2 F f'lV NjDZ 401.Q SUBAREA i U 1Vt./a"7. E 401. 11 IS CODE - E ----------------------------------------------------------------------------- % % ♦ i I t: r7 r 1 t3�v,9 t_. .•,G i i -i.., �./ .,. i41 , 1 Fit.. ✓E'Y¢_..Lir°M ivy, :3 SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE ..._ 71 - Kl L iLZNG T m** .:.i. 4;iQ f QLEVi T I0N CHANGE) ] ** . EZ j OP 5 , REAM. `I ELEV 1 N - 1264.50 s0F4L.ZA,Ev-t.ti- 1 2 57r :G E"EVATION DIFFERENCE = 7.00 7c -=• . v8•_ * c ( 600.00** 3.00)1( 1.00)1** . 20 = 12.241 t� `5 YEAR RA..N ALL fill l CI.4J' I^l i• C 1NCHfr1{. UR) 2.990 . C.=._ 15 t'r " i-:,:._w7.•i)Ex .rA._•-! 5--7 DWEL>_iiJi.�afi-•iCRE SI..FBA',REA Ll.ir.SS RATE Fm N�11 H _ .465Z SUBAREA t11..iNL:F i Vi S) '- 7.55 i , GT L AREA(ACRES) ^-• 3.35 ACAS: FLOW RATE (CF C) = 7.55 j dF••ic•3i••Yi•x•its•�••ie••ieiF•k•ii••7f••k•ii••s�••�••ii••ie••ifdF•lf••�E••k••lEdE•ii••3F•;6•IF�f-jE•3c•it•aE••lE3e•yE•dE•yE•dF•le•�E••}tai•9E•iF'�E'ii•3E••iF9E•iFiE•1F•iE•�t•dF-16 ie••k•)F•i�•tiF•i�•9eye•i'r•iF•;t••3c•ie•K•;c•f: F"B" PRI.JL.C:.SS FROM NODE 401.1i TO NODE 408.20 18 GI..ry1DE - G j ))))) L:LllYir i.l^� E �-i-i REE7r t_Uyt T RA V LL T I ME T H RL 51.fBAREA (< < (( --------- �. �� `r•rw.1, REAi'I-�_C.Vri�..tii{1t._----.:moi=i rt. :JZ=-�l.)L14NC4�[??S DOWNSTREAM ELEVATION_..-_�.:_c=_a-_,__.-._...._.:..�... 1 243. 5 7 ` ��^ iC:_F i_� .,! M-. '• l �" 1:..:.Y J ^ �- -i=1 ti?{.•. li.�%i V..l f(::• :•IL.L �:;! i r9 i .l.IV � -t -- I /" • it IS 1••!l4W i' RZM v&L"N TZ C::6.iSSFALL {r,'CpiilEBREi-•FK _ Q.00 !X 7ERl1R STREET :rti, ;.;:;t=rc. 1_ ti�Ei _F�lr;!_) - .2% f E- ,: :3Z E fC.-.... .260. Sr'L::.CIFIEG itivf•:BER s,rl'" r,i• " S i RmE , S CARRYING. RUNOFF F - 1 it t 'rie-1vC . i afi� COMP&M USING [YIL:.i-N FLOW (CFS/ - 10.07 rlri._r S 1 !'iEE i I` L3ODW 1 u i Q i' E i-) h{r%C::CCF•lOL C -OW V'E"OOI i Y (FEE T / SEC. ) I _. rlri�J�iwZ Jr�DZP i m&VLi..isC1 i Y = 4.37 57R ! "DW ! RAVEL i•INE CMiN) = i.64 TO(MIN) - 13.66 25 YEAR Zi-alfwi-ALL !N 1 ENSIT•Y• (iivL. H/WOUR) = 2.773 ` &ESI /C N!•:.f-"-) 5-7 DWELLINGS/ACRE S+.jB1-REA LOSS RATE, f"mt fkCh/HR; _- .4tivk.• -S) = 45 SUBAREA RUNOFF(CFS) - 5.03 .:�.:L�i•ii'�SC.1-! ri:iCis�i-1vISL' I Er=FE T 14E AREA ALRES) - 5. 80 AVERHZED f"lli0i'vl.af"i1&R) s��'ji•�J5 PEAK { C 1 A._ 1' iilC•F'l'.r�. RES) 5.80 t''�,AK iLCW RATE(CFS) = 11.94 END OF C:it.JBriti;,:A STREET .'LOW i-iYiDRAjLICS, DEA S(FEE T) = .69 ; iw{LFS T REET r= L_iJi.li WIDTH (FEET)= 3. 90 F LQi VE=UC; T Y ( r EE T / SEC.) = 7.09 DEPTH*VEL.UC I TY~ = 4.90 I� ,#•,E#•t'c#?r•x•#:ziE•!e•3F#i4•#•3i•ii••�4••3Fii•#�s•de••Y'•�f••lE••li•####•k#######•)f••1E•3F###•3f••r:•li•#�i•#if••iE•�t•#iE•9E###•k••;e•k••34••iF#•ie•#•;i••�•�i••ktiF•ic•r.•'k FL3W PROCESS ESS h= iRi: M NODE 406. LO TO NODE 438.20 0 S CODE - I -i i) i) L.?LS i. i:'ii'vi-; I C INDEPENDENT `STREAM -w iJr�i�Ci�iVi= LUC.i�iirC ((((try----_________.-----...- C{.:iN- LUr_144.rE VriLt.lLJ USc;ll FUR Ttv"L7EPE.NiiCNT STREkM 2 ARE: _^________.__...__..._._...__•..___-- ! .LmE OF v0f4Ci=iii7RA ..0N CMii•VU 1 L'J') 13. b'a RAIN! -'!9"L WENS . TY t II\il. m. /I" OUR) 2.77 i 707A" T RE->AREA(ACRES) REA(HCRES) - 5 . Cz r:ri��J< oriT_WS) r7 C:y-LUCNLE 11.94 . Vi= C • J �, ic9i•##•�!•�`ir•'n-•3F•dt•�•�•�i••te�iir�cic•3i9e•#•ii••iE•ii•icir�:3•c•!e•ir##•kii•#iFyE•iE•iE•#ir�1F•ie•#•iE•9E••iF••ie�f•x•#•ie•if3r###ii•iF#ie•x•z�••i(�•xii•ic•ii••ie•xxse•�c•R' P "CCOESE r RQi'46DE 4Z6.00 70 rill.iDE 406.0i 16 CODE - ----------------------------------------------------------------------------- ) !) ) Ctt•i-. ..vibA . METHOD HOD 1NI TiAL SUBAREA ANA"YSiS t t t l DEVELOPMENT AS SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE '_i *" t�W ! t. ti (LEia� ! f""i'�# �:r. ���!) / i t,LEV Fi 1 l u1v L:i-IHI'vcaE) D ## .20 ,PE T BREAM EnE VA T I ON •= i i :C'ii_. C}0, E_EVAT I DN D T FFERENDE = 9.01 AL1 (� TW - .389# .. ( 520.00** 3.00)/( 7. 14x1 K'# .20 = 1iLl . 660 �.r a EZ t`EF-R RAINPf-iL_ i.N T EN Si T Y (It+CK/r'iOUR) _ .:i. i_+•r': ."iia W c.. L.._AJJ y ' .i. ZA-; 1 L1:4 R._vYLiENT.tA"Q 5-7 DWEL_LI NSS/1- CRE SWEAREA LOSS RaTE, E, .•w f !!'N2m/ R) -= . 4..:'5i4 c: SBA RE i- RUNOFF(CFE) - 9.0Z 0i•A , ARP(ACRES) = 3.63 r':.i-K C -_0A R; i._(C-•S/ - S.Z 3 i#:•9c••iY•3c•�c�f••&•ic•vi••iait••ii••it•k�x•rE•ii�9e•�F••iF•ii••34•tir•i€•�••k•fi••k••'si•ii••it•if••iE•�••Yi••ic•iEdb•lt9t••rc••sc•it•�•ie•k#tic•ii•di••3i•9r•3c94•�i••iE••i�•3f•k••ri••irii•it•�ti••k•9c••;e3e••ix•�•ii-x:•'s: i-' ROZES8 r ROX i`iODE 406.01 -( j N6DE 406.20 IS COD 6 i i))) �.CiMPj i E J 7 RZET LOW TRAVEL T IM HRU SjBAREA ((((( _ __�___ ____- Wa• 7Rx,{- N E -EVA .4I. N ^- i253.50 DOWNS liYGi- M ELEVATION ION 043. 50 S " REET `ENO T k (FEE T) - 520.00 CURB HEIG T H ( INCHES) 6. - i a••, REET ni-iw WIDTH ( FEE T) - 18.00 0 U ico LN DISTANCE FROM CROWN TO CROSSFALL GRADEDREAK i2.60 CApPC 17-Y i IN ERI R STREET C ROSSFALL <DECIMAL) = .,~40 S'� OUTSID2 STREET CROSSFALL (L'ECIMAL) = . 160 TO SPECIFIED NUMBER OF ;-tf=►Lr S 't MEETS CARRYING RUNOFF t- i 24.yi CRS °G **TRA'VEL,TImE COMPUTED USING MEAN FLOW(CFS) - -r.; REE7 LOW MODEL RESULTS; Na T E: S T RErTi=LOW EXCEEDS TOP OF CURB. THE F OLLO" I NG S T REETr LOW RESULTS ARE EASED ON HE ASSUMPTION THAT NEGL.I BLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT T IS, ASL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. _ STREET FLOWDEPTH ( FEE. T) = .71 'DTAL CONPLUNC-7D HALF•S T REET FLOODW I DTH ( FEC T) = 4.56 Fl ' 2 6.2 7 CPS AVERAGE FLOW VELOCITY (FEET%SEC;.) = 6.60 �C I PRiJDUCT i.OFDEPTH& VELOC I TY = 4. 6 i Fo'R d ; � 70 S i REE__ i=LOW TRAVEL i IME (MIN) - 1.E7 TWIN) (MIN) = �. * . _ C ► 4 S7 25 YEAR RAINFALL .INTENSITY(INCH/HOUR) - 3.0st' I Su:L OLPSSIFICA 7 ION IS "A" RESIDENT IAL -t 5--7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INC;ri hR) - SUBAREA AREA(ACRES) = 2.65 SUBAREA RUNOFF(CFS) - E.54 EFFE071VE AREA;AC,RES)-- 6.48 AVERAGED FIALoNG rrc©n�iDEac)6P+ CI QNC h/hR) .465 �, �a7-14 TOTAL AREA ACRE �S) - 6.48 PEAK FLOW RATE (CFS) = s4. :;� 1>0 Sol - END rLOW HYDRAULICS; itii} 3PSUBAREASUBAREAS T Pitt i rEETF .76 !'CALFS ! REE i . .._Ol. DWI DTH ( FEE T) - 4.64 FLOVv VC:. -001 i Y (rL'E i i'S l_.. ) 7.27 DEF`1m*VEL.00i I Y = 7.44 rope o%rc- 909: 1 0-/� s F abi PROCESS FROM ;'NODE 406.E0 TO NODE 408.50 1S CODE _ i ) > >) ? DESIGNA i E INDEPENDENT STREAM FOR CONFLUENCE i ((< (__________________--__ >) -u:COMPUTE VARIOUS c]vFLUENCED STREAM VALUES (c (( ( Cl. IN i- dr -Li CE VALUES WEED FOR 1 i• DEPENDENT STREAM 3 ARE . 1 _ TIME O LrUNCEN i RA i i t.)1N (M I NU I ES) 11,93 RAINFALL ALL IN; ENSITY (iNCm. /HOUR) -^ 3.04 9 G!- FEF ! 1 V E G y REAM A REA t hiCRES) 6.46 707k. SrAEAx AREA(ACRES) = 6.46 PEAK F ..L W RA . E CFS) AT Ly. N Lt. E NLE ^ i 4 & Vll..r kF",,Z NLL" i& ORI•'IA i O N i STREAA PEAK K.Ow TIME INTENSITY RA E (OFS) riREAtAURES) 1 . 111 34.54 15. 01 it 645 r 4.3 16,. 4E G 11. S4 .t _ __ C` 86 G. f 3 . 46 _ 5. 6o a 14.66 11113. i i . 93 3.036 .43 6. 46- RA i SNC A:...L N i ENS i I Y - AND -t 1! E OF CONCENTRATION RATIO L.•_W LjGiNLE i-LRMJLA USED FOR 3 STREAMS. I S•_f'7Mr' RY YCESOLTS: SI ri!_i-•m CONFLUENCECONFLUENCEEFFE i^- IVE rN,QMBE A Q Q S) AREA(ACRES) ----, ;:.------------------------ 6. JAI--------------- 2 59. a0, 27. -+F, 3 .J6. ! 4 24.52 V Lli�l�y'TGL% l, 3kP-j.-UL'N,:;E ^5 ESTIMATES ES AkE AS FOLLOWS: PE -A': !'-"3w RATE (CFS) = 59.10 TIME(MINUTES) - Q.676 EFPELi 1 V L AREA(ACRES) 27.'y 6 •if' # iE'i: tir• # ii• # •ib # # •h'3k' �i• ie• �i• # •sr• # # # •J6'ii"i�"k' iF di' ii- # # 9F ie' # dt # # # 3F #'ii• # # jE' # # it •lE• # i4• tif• # # �r'34• •!i• •iF •ir •36 it'' #'3f• #'fi'Yc # •k # # � it"jb'%•'it'1t"It' yr L FLOW PROCESS FROM NODE 40010 TO NODE 410.00 IS CODE -------------------_.--------------------------------------------------_.------ ) 0 i i:.iJ?t ••`U ;"E PIPEF•LOW TRA'VELTIME THRU SUBAREA (< (( ( i ) )))) ,.. S I NG COMPG T ER -ESTI MATED P I SIZE (NON -PRESSURE F LOW) ((< ( ( l t)."�1- 'r^a tJ"^= Lc:lty- IN 36.0 INCH ; PIrC.IS 27„3 INCHES r IPEFLOW VE410I i Y (FEE i /SEI::.) = 10.3 i.,P2 . rr,:.As NODE E. E Jt 1 i 11. N = 043.50 U1..'IMN3 7 YtEkM NODE ELEVATION 1237.50 F ,_.Uw_c 43 7m EE 7) = 620.00 MANN I NGS N - .013 '.S_i. anA T ED PIPE DIAMETER (INCA I) - 36.00 NUMBER bP PIPES •- i rr!:..i 54.i..i-iRGH iL;FSj = 59. 10 TRAVEL 1•IME ZI N.) = 1.0i TC (MIN.) - i4.66 ie' :t• ii• •ii's: ;� •ts• # # it it' •ir •ic •;~ •!t if• # #'3r ii• fi: �F it # # •li• # •it- # •it #'ir # # •iF i!• jE• # •lE• #'k• # # iE # dE•'iF # #'!t is •it it-# •fc•f. # •�k # # •i1• ii• •ii• # •ir 3r iF'k' •ir'ir # �E-'fr �• •il• �:• F uO W r='riiJi. ESS F FiDM NODE 00.00 TU NODE 410.10 1S CODE _ )) J)) DE`'_=;).GNA t E INDEPENDENT STREAM FOR CONFLUENCE < < < ( ( CONFLUENCE VALjES USED FOR INDEPENDENT STREAM 1 ARE: - -^--------_____. TIME OF c:.ONCEN7 RATION (MINUTES) = 14.68 RAINFno" :NTENS17Y (BICC. /HOUR) - 2.6E EFF .x:71 VE ST R r` m AREA (ACRES) = 27.46 7 i:rTAw STREAM AREA (ACRES) = 30.74 i''EAK r- � O" TSH-! E (L` SJ') AT CONFLUENCE - 59.10 10 Puli PROCESS FROM NODE 408.!Z TO NODE 410 GO 16 CODE 2 ---------------------------------------------------------------------------------- 00TRATIONAL METHOD INITIAL SUBAREA ANALYSIS<(<!; DEiE-3PmENT IS LINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE 7C = K*C(LENGTh** 3.00)/(ELEVATION CHANGE)3** .20 !NITIQ� SUBAREA F"50 -LENGTH = 760021, UPS7REAM ELEVATION = 1249.80 DOWNSTREkh ELEVATION = 1237.50 E"EVATIDN DIFFERENCE = i2.30 70 = .369*k 760.00** 3.00)/( .20 Q.600 25 YEAR RAINFALL !NTENSITY(INCH/HOUR) 2.9il SOIL CLASSIFICATION IS "All RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) .465Z SUBAREA RiNOPF(VF S) Q.97 TOTAL AREA(ACRES) 5.94 PEAK FLOW RATE(CFS) = 12.97 F"Ow PROCESS FRU NODE 410.00 TU NUDE 410.00 IS CODE ---------------------------------------------------------------------------------- 0>0DES IGNATE INDEPENDENT STREAM FOR CONFLUENCE ((((< CONPLiENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIp',E OF COiNCENTRATION(MINUTES) 12.60 RAINSALL INTENSITY (INCH./HOUR) 2.91 EFFECTIVE STREAM AREA (ACRES) = 5.94 T6TAL STREAM AREA (ACRES) = 5.94 PEAK FLOW RATE (CFS) AT CONFLUENCE 12.97 PLDW PROCE88 FROM NODE 409.00 TO NODE 410.00 18 CODE ----------------------------------------------------------------------------- 00)RATIONAL METHOD INITIAL SUBAREA ANALYSIS <(<<0 DEVELOPMENT 0 SINGLE FAMILY RCS IDEN &A" -) 5-7 DWELLINGS/ACRE -TO = K*L(�EWGTm**3.00)/IELEVATION CHANGE) 3** .20 lNl7lk" GODAREA FLOW -LENGTH = 960.00 UPSTREAn E-EVATION = Q46.60 DOWNSTREAM ELEOAMN = i237.50 E-EVATIONDIFFERENCE = ii.io TC = .389*c( 560.Zo** 3.00)/( 14.800 25 YEAR RAINFALL INTENSITY (INCH/HOU R) 2.E68 SOIL CLASSIFICATION IS "A'' RESIDENT IAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fra( NCH/HR) _.4650 SUBAREA RUNOFP(CFS) 11.95 70TAL AREA(ACRES) 6.06 PEAK FLOW RATE(CFS) ii.95 1Fi_6W PR3CE&S FROM NODE 410. oO 10 NODE 410.0Z 15 CODE - 1 ---------------------------------- 7 -------------------------------------------- Q _-_-__--____..-_- -- ---------------------------------------------------------- ) >)) DESIGN T E- I NDEPENDENT STREAM FOR CONFLUENCE < t (< < .-�. ) > Q > ASVD COMPUTE VARIOUS CONFLUENCCD S T RinM VAnUiS ((< ( ( CJi'4i=LiiciVCE VALjES USED FOR INDEPENDENT STREAM 3 AxE: 71ME SP CONCEiNTRATION (I} IN l i ES) = 14.60 RAINi=A, w INTENSITY (INCA i. /HOUR) 2.67 EFFECTIVE STREAM AREA(ACRES) = 6.06 T O CA" G ! REAM AREA(ACRES) ARES) = 6.06 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.93 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME I N7E.NS I TY FM EFFECTIVE NUMBER RATE (CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) --_------------------------------------------------------------ 1 59. i o 14.68 2.659 .49 27.46 1= 12.97 12.60 2.911 .49 5.91+ 3 1 1. 95 14.60 2.666 .49 6.06 RA I NP A -L INTENSITY AND TIME Or CONCENTRATION RATIO f CONFLUENCE FORMJLA USED FOR 3 STREAMS. M S6MMARY r EGiLTS: S'"R EA'Xi CONrLUENC E EFFECTIVE NUMBER G(CFS)- ----------------------_________-_ ---------------------------------------------- 1 i i 82.62 x9.46 L 81.17 34.62 3 82.63 39.33 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE (CFS) = 62.63 TIME (MINUTES) _ i4.600 EFFECTIVE AREA(ACRES) = 39.33 ( TOTAw AREA(ACRES) = 42.76 tit tit• tie• #•s4• tiF tie• � tie• tie• iFyf• irtie• dF •!F tiEtit•tie• it ie•tif tiP #i@•ktiE•tie•tiE •k• tiE •iF di•ti4•tiF •k• tii• tiirtiF dEir•�•ti69FtiF9FdE •!E•dF-1FdF•k•tirii• iF dF tir d4•tie• •iE tie• iF #•�• tii•iF•iE # tircit•dr tiCtiF # tiE• tir FuDW PROCESS FROM NODE 410.00 TO NODE 409.14 1S CODE = 3 ) 5 i) COMPU`i-E PIPEFLUW TRAVELTIME T HE U SUBAREA < < < < ( ) > > > > USING COMPUTER-ESTIMA i ED PIPESIXE (NON -PRESSURE FLOW) < < < < ( DEP74 OF FLOW IN 42.0 INCH PIPE IS 31.6 INCHES PIPEFLOW VELOCITY (FEET/SEC.) = !0.6 UPSTREAM REAM NODE C.....EVATION = 1237.50 DOWNSTREAM NODE ELEVATION - i232.00 F "OWLENG T H ( FEET) = 650.00 MANN I NGS N = .013 ESTIMATED FIFE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = i PIPEFLOW T HRU SUBAREA(CFS) 82.63. TRAVEL T IME(MIN.) = 1.02 TC (MIN.) = 15.82 •�•# tiE•tiE•ii•tit••� tiE as• tii• #tiE•tie•aP tirtit• tie•dEtif• •iF-ri•tie• of tie•if• •kde• •le•de•tirtiE•tie• •li•dE •ii••iF•iFaF ie••1�tiPdE •IF•ktie••ktie•it tie•tif•tie• tit ii•tie• tiE•tif •irtie• ii-•�•tie• ae� ai• tiE• tie'tiFti� •i?3e•tie• � tir tiP x• ti!• FLOW PROCESS FROM NODE 409.14 TO NODE 409.i4 IS CODE = 1 --____.w-------..- ----------------------..._.. w._-_---__-__._._---------..- --____-..------ >) > > > DESIGGNA;'E INDEPENDENT STREAM FOR CONF LUENCE < < (< < 1 �: (� ============================================================================ / 16AFLjENCE VALUES iSED FOR INDEPENDENT STREAM ARE: TIME OF CONCENTRATION(MINUTES) = 15,82 r RAINFALL IK7ENSITY (INCH./HOUR) = 2.56 \ EFFECTIVE � �FECTIVE S7REAo AREA(ACRES) = 39.33 / TOTAL 87REAM AREA(ACRES) = 42.76 PEAK FLOW RATE(KS) At CONFLUENCE = 82.63 FLO" PROCESS FROM NODE 409.11 TO NODE 409.12 IS CODE = 2 ' / ___________________________________-_________-_________-_____-______________ ` >>>}}RATIOhAL METHOD INITIAL SUBAREA ANALYSIS((((( ============================================================================ i DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TO = K*[(LEKBTH** 3.00)/(ELEVATION CHANSE)J** ^20 1NZTIA" SJBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATIGN = 1260"00 DOWNSTREAM ELEVATION = 1248.10 ELEVATION DIFFERENCE = 10.90 TC = ~389*E< 1000.00** 3.00>/4 10.90>5** .20 = 15.222 25 YEAR RAINFALL INTENSITY(INCH/H[}UR) = 2.623 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) 568AREA RUNOFF(CFS) 7.26 TOTAL AREA(ACRES) = 3.77 PEAK FLOW RATE(CFS) = 7.26 | � < *******+******************************************************************** ' FLOW PROCESS FROM NODE 409.12 TO NODE 409.14 IS CODE = 6 ------------------------------------------------------~--------------------- ( }>>>}COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<({<( UPSTREAm E-EVATIOm = 1249.169 DOWNSTREAM ELEVATION = 1232.00 | STREET LENGTH(FEET) = 1060.00 CURB HEIGTH(INCHES) = S ) ~ ' S7REE7 HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREwK = Q.00 INTERIOR S7REET CRJSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 **TRAVELTImE COMPUTLD USING MEAN FLOW(CFS) = 13"24 | GTREETF"Ow MODEL RESULTS: \ .' NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .75 HALFSTREET F"OODWIDTH(FEET} = 4.Q � AVERAK FLOW VELOCITY(FEET/SEC.) = 6.66 PRODUCT OF I)EP7H&VELOCITY = 5.16 STREETFLOW TRAVELTIME(MIN) = 2.56 TC(MIN) = 17.60 13 | | ' 25 YEAR RAINFAu- !NTENSITY(INCH/HOUR) = 2.389 S[lL'CLASSZFICATION IS "A" �_. RESIDENTIAL-} 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE. Fm<INCH/nR> = .4850 \ SUBAREA AREA(ACRES) = 6.98 SUBAREA RUNOFF(CFS) = 11. 96 / ' EFFECTIVE AREA(ACRES) = 10.75 AVERAGED Fm(IMCH/HR} = .485 ` TOTAL AREA(ACRES) = 10.75 PEAK FLOW RATE(CFS) = 6 \ END OF SijBAREA STREETFLDW HYDRAULICS: DEP7H(FEET) = .87 HALFSTREET FLOODWIDTH(FEET) = 4.60 FL -OW VE"GCITY(FEET/SEC.) = 7.48 DEPT ELOCITY = 6.54 | AID P4 A\iE^ 2.2,+.44 Q'p�� ^��� . 2 /- 5 42- 0� ' FLOW PROCESS FROM NODE 409"14 TO NODE 409.i4 lS CODE = � / . _________-__________________________________-_______________________________ >>0>DESlGNAl'E INDEPENDENT STREAM FOR CC]NFLUENCE(<(<< COMPUTE VARIOUS CONFLUENCED STREAM VALUES((((( ' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.80 RAINFALL INTENSITY (INCH./HOUR) = 2.39 � EFFECTIiE STREAM AREA(ACRES) = 10.75 TOTAL SrREAm AREA(ACRES) = 10.75 ' / PEAK FLOW RATE(CFS) AT CONFLUENCE = 18.42 ' CONF,UENCE INFORMATION: STREAm PEAK FLOW TIME INTENSITY FM EFFECTIVE L NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/H.R) AREA(ACRES) ', - _______________________________-_____--_______________________ 82.63 Q.62 2.564 .48 39.33 2 18.42 17.80 2.389 .49 10.75 RAINFALL XTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. i SUMMARY RESULTS: \ ' STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) _____________________________________________ | 1 10 0°5Q 48.68 2 94.09 50.08 COMPUTED CONFLUENCE ESTIMATES AHE AS FbLL[}WS: � PEAK, FLOW R T QFS) � � w �`�� S/ = 100.50 TIME(MINUTES) = 15°818 ' EFFECTIVE AREA(ACRES) = 48~88 TOTAL AREA(ACRES) = 53.51 | ` FLOW PROCESS FROM NODE 409.i4 TO NODE 409.14 lS CODE = 1 / ---------------------------------------------------------------------------- ^ � >>0>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<(< >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<(<< / CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AdE: TIME OF CONCENTRATION(MINUTES) = 15.82 14 > ...,..._�.... _._.. - • ... .. _ .. .. .. ... _ "- - _ .... a � . �... _.... to _...-,..._. J.J...,_..+w'.va4.i ��A:_ i•ii;iiv=A1,...L iN T E NSITY (INCH./HOUR) — 2.b6 b6 EF r E071 VE STREAM AREA(ACRES) = 48.88 TOTAL i FiL ..r s`I ftCANf AREA(ACRES) (ACRES) = 53.51 PEAK FLOW tartTi r(CFS) AT CONFLUENCE — 100. 50, CONF.UENCE INFORMATION: STREAM =ENrFLOW TIME iwT 4SITY FM EFFECTIVE NUMBER RATE (CFS) (MIN.) (INCH/HOUR) (IN/AR) AREA (Ai RES) _ 100.50 15.62 2.564 .48 48.66 R A I NF ALL INTENSITY r= aD TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. J'l..l%"MARY RESJL CS: STREAM CONFLUENCE EFFECTIVE NJMBER Q(CFS) AREA(ACRES) RES) ---------------------------------------------- 1 100. ul 48.66 COMP.iTED CONFLUENCE ESTIMATES ARE AS FOLLOWS-. PEAK FLOW RATE (CFS) = I ZZ. 50 TIME (MINUTES) = 1 i. Es ]. 8 EFFECTIVE AREA(ACRES) = 46.68 TOTAL AL. fti'REN(KCRES) — ,r_►S. `-i i ,=fviJ OF STUDY SUMMARY: 1 Ci f HL AREA (ACRES) - 53.51 EFFECTIVE AREA(ACRES) - 48.88 PEAK FLOW RATE(CFS) - 100.50 END OF RATIONAL METHOD ANALYSIS 1 J RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM --------------- SASED UL SAN BERNARDINO COUNTY (SBC) 1563 HYDROLOGY MANUAL (0) i_omyr^ignt iGSi_ Advanced Engineering Software EHES3 Especially pr'epar'ed for: HALL & FOREMAN, INC. **********DESCRIPTION GE rii=.�t..ti✓ t �•iE•ii••ri•�E•#•3f�•gi•�F••lE•#•3E•�e••*•ie••ii••it••li••lF•ie•x•it•#9i•�r-k••�i••lE•#•ii•#•3F-iF•ii•-)e•�iE•�e••it•aFii••>E•ii••�E•�f••3e # ,L/N4pt,�I W/TN E_V�LLJ4GE r+YDAjLeGy Qtv se3) # # 6V 21; YZ l � VC—Ntt►. N iIS�CL�`#1 -3�J i FILE •�•�•��••�####�•-�•�#x•##�•#-;a•#•�aE•#a�•��r#�•#-�•�#•�•>E•��#� �� �.��.####•�•��•�••>Ear#�••��•#�•#•�•>r�•##a�#a�##•��•#•�•� --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: USER SPECIFIED STORM EVENT (YEAR) _ 25.00 00 SPECIFIED MIWIMUiM PIPE SIZE(INCH) - 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 10 -YEAH STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .960 100 -YEAR STORM Ski -MINUTE .iNTENSI T Y ( INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 !-HOUR INTENSITY ( INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 SBC HYDROLOGY MANUAL "C" -VALUES USED Advanced Engineering Software SAES] SERIAL No. A0560A REV. 3.1 RELEASE DATE: 5/01/85 (<((<<<<<(<<<(<<(<I IN r-C(<V<<<<<(f((f(<<<(0>)> )1) >>�S i R�Cj> >>1`iflb)> Wl'`t0'O ��Y�e.�LoGy PMAk4UhL_. R,&S'1 op- -I'V-c N-YPWL06'>" IS S62et-T) gC 1--cD'S I+ypp_aGoGy mj)yj uFrL_ ->r•#aE•+E#aEaE•�i•#aE•#-ri•aE##•��• �-aE•��•arat••�E•x•aE#aE�•aE�•#aEaEaf-#aEji•#�•#�•aE#afar•#aEaEaEaEaE#aEaEai•aEaEaEaEaE•aE#aE#aEa<•aE•aE•aE#aE•�i•aE FLOW PROCESS FROM NODE 409.14 TO NODE 409.!4 IS CODE = 7 ---------------------------------------------------------------------------- )))) > USER SPECIFIED HYDROLOGY INFORMATION AT NODE (< < < < USER—SPECIFIED VALUES ARE AS FOLLOWS: ----------- v/SG- — � vim__ TC (MIN) = iS. 8E RAIN INTEiNSI T•Y ( INCH/ HOUR) = 2.56 TOTAL ARCA (ACRES) = 53.51-.T U i AL RUNOFF (CFS) PFR. In�s►�� I�YD� v� OF �"-'######•�•#####aEaE•#aEaE###aE##########aE#•�•#############•�•##########at•�-aEaEaEaEaEaEaEaEaE#•�i•aEae#•�aE FLOW PROCESS FROM NODE 420-10—TO NODE 419,40 IS CODE = G �EK►�� ---------------------------------------------------------------------------•— >>0 )COMPUTE PIPEFLUW TRAVELTIME THRU SUBAREA<<<<( >>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<(((( - -------------------------------- DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.8 INCHES _F••' 1 r'CI'v�LiJL.I' 'i'T %r C.i= i 1 ar.i.:.' l - - =o f _o . . _ . -. UPSTREAM NODE ELEVATION = 1232.00 DOWNSTREAM NODE ELEVATION = 1225.50 FLOWLENGTH(FEET) = 70.00 MANNINGS N - .013 ES T I MA i -ED PIPE DIAMETER(INCH) _ 30.00 NUMBER OF PIPES - PIPEFLOW iHRU SUBAREA(CFS) - 100.54 TRAVEL T IME (MIN.) _ .04 TC(MIN.) - 1S.66 1 ##•���••>E•�•#•�•�•###•�#•��•###�•�ii•�•#�••�#•�e•####•jai•#ai•�•#•��t•####•�#####•�#a�#•�•#�•#�•####�•###•;F��--x•�••��� FLOW PROCESS FROM NODE Q9.30 I O NODE 419.30 IS CODE = 1 _.-. _ _ _ __ _-- -- •------ ----------------------- -------------.-,--------- _---- - _.-_ _. -- > > >) > DESIGNA i•E INDEPENDENT STREAM FOR CONFLUENCE (< < < < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATION(MINUTES) = 15.86 RAINFALL INTENSITY (INCH./HOUR) - 2.56 TOTAL STREAM AREA (ACRES) = 53.5i TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 100.54 _-F----PROCESS - - ------- --- --- FRG -NOD - 419.10 T0NODE419_-- 10ISCODE ---------------- ))>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS(<(<< I ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TO = K*E (LENGTH**3) / (ELEVATION CHANGE.) ]**. 2 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPS T aEAM ELEVATION = 125S.00 DOWNSTREAM ELEVATION = i229.10 ELEVATION DIFFERENCE = 58.90 TO = . 393*•L ( 1000. Oil**3) / ( 28. 90) ]**. 2 = 12.641 23.00 YEAR RAINFALL INTENSITY ( INCH/HOUR) = 2.933 SOIL CLASSIFICATION IS "A« SINGLE-FAMILY(1i4 ACME LOT) RUNOFF COEFFICIENT = .7428 SUBAREA RUNG r (O S) - 11.98 70TAL AREA(ACRES) = 5.50 TOTAL RUNOFF (CFS) = 11.98 F"Gi r KIESS FROM NODE 41'x.10 TO NODE 419. LZ IS CODE - J ) > i >) CQjj7 E PIPEFLOW TRAVELTIME THRU SUBAREA < (< < < ))) > > USING i::i:. MPUTE R -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) < < (< < DEP7m OF r -OW IN � :4. Z INCH PIPE IS i5.9 INCHES -_-- PIPES'LG" VZLiCI I Y (FL•E T /SEC. ) = 5.4 jPS 7 tCEAM NODE E"EVA! ION - 1229.1Z DOWNSTREAM PtEAM Nu:.iL- ELEVATION 1227.50 F LOWLENi T H (FEET) = 330.00 MANN I NGS N- .0!3 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES - 1 PIPEFLOW T HRU SUBAREA(CFS) = 11.`198 A TRAVEL R r�• � TI k 1 -1.02TC (MI�\. ) - 13. 66 •k•*•iii••fit•fF•�E•�•df•iFiE#•k•ib•Yc#iE#•iE•iF•if•##•iE••ie•^ii•if•#iF•it*##•iE•'lt•#•�•##7t•#•iF•iE##•)E•�F•vE�E•#c•1E##•k•ii••!E••iE•�F#•k•#iF•k••if•####•3e•R•iF##•#irir FLOW PROCESS FROM NODE 417. i 0 TO NODE 419.20 1S CODE - is ---- _------- ----- ----- --------- -------- .-_------- --_------ _____________-__.__ )) > >) ADDITION OF SUBAREA TO MAINLINE PEAK F LOW < < < < ( 25.00 YEAR RAINFALL INTE NSITY ( INCH/HOUR) = 2.800 SOIL CLASSIFICATION IS "A" �\ CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = .7714 SUBAREA AREA(ACRES) = 8.60 SUBAREA RUNOFF(CFS) = 16.57 ;C ...; -_..-T .- !'•.='. :.�';-'C^r:y - .. .. , {T,. .•_ "•-•+,- �i n._. .-tr;_•.•nrr�: __ -+n.•-•rte•- , _ .. • .--:.>. - ...-.. _.. .. .•._,. lu'.l•-IL n,tL�o�rltvl��..Ji - ..iYi 'L W' -141HL. -F[tJimtii-- TC (MIN) = 1 SS += i_ilvd r= RZ0ESG F RCil i N3DE 4 i'`.1. Ek TO NODE 419.30 IS COLIC - E t a F'Cr` LiJY1 i rci-sVc`L i r'tE THRU SLI$ArZEA f ((f swCi`C0M;:'U T ER- ES i .iiYr=1_E:U_i^ii��SiZE- (NONPRESSURE�rFL-o ;) (<<(( OF IN 21.0 INCH PIPE IS 17.0 INCHES `YEt...00",_Y14.6 (C-GL,^:-!/t.JC�.r• Jr•.C..l•! RE1 if, (1iLi:i.la'.: i..:.LC,t%e-1 / 1 I. t _ 1227.50 uUVv NCJDL- ELGIN I ION - 122-. 51(,1 r;(F Ec. 4 - 5e1. 010 i*iANN I NGS N - .013 l " •-- -} r-.� -•Tri.- _ r_TER (I CHS NUMBER OF (-'11-�E5 .L l�lf li'1" Ct t ;.IVB.. i �..l. ��/ '"+ '� 5 w r'11-Cr't_UW i t'lrCtJ auorircc.rl (C:r,=i) ,:,kls �:.J -' . - i RI-1'YCL i IfS:i= (i�1I{'%i _ . 06 : C (ml N. = iv. 7;= •k••it •ft•ie• •!i••xr •ii• 3c it tie •De• •k••ii••ii• •ii• iE••if• iE.•.k.!• #•PPiE• •Yc• •if••it••!r ir•3F it #•if• ji• �E•ir•iFtiF •tl-C• d4• # �F •)F if• •if••3i• •� •ii• # •3i•# •lEii•#•iE ii• 9f• #ii• •k•ih#df• •3f• •)F• yF••1Eir# •ii• # �f••9€• iE •ii• ii• it •iE # �V+ i-?-*-, . F_2'-, FROM i NODE 419.30 TO NOIDL- 419.30 IS CODE - s i�ESIC��rI;"E.wIND_Er';=_ti DENT STREAMF0R, CONFLUENCE < < < ((--------------_._______ % > > %) Mi,4D C:OI` �r u 1 E VARIOUS CON LUCNLO.'ED STREAM VALUES ((< < < `-CONFLUE,NCE-VAL'U'ES USED FOR-1ivi.iEPENDENT STREAM ARE: Yai`;E OF CiJf'tii.:Eiw i IZHTiON (MIPdUTES) -= 13.72 RAINFALL INTENSITY (INCE;. /TOUR) 7072"5 1 res=A�+'i AREA ( ACRES) - 14. 10 - " STRUEAM RUNOFF (CFS) AT CONFLUENCE 30.55 I� CCJN l- UENIICE i NFORMAT ION. STREAM RUNOFF TIME INTENSITY NUMBER %CFS) (MIN.) (INCH/HOUR) l-----1ki -_-._...-- J4 i ----- - ..--.. -------- ---»-.---_..-----_._-..._......-_--.__.___._r_.-._�.._.._ 559 L 30. Ji3. !}t•�r1_. JJ i3.72 2.793 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA (SBC) USED FOR E STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 128.54 117.49 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 126.54 TIME (MINUTES) = 15.862 TOTAL AREA (ACRES) = 67.61 •>E##•x•###•lE•lE•�E•it•##•�t••It••x••x•##•it••TIt•�E�E•#•jt••lE•x•aF•x"•it••x•�E#•lr••tr••tE#•�t••x•####�E•x•�t••x••>It•# #�F�E#iF####•x•# �F # # # �4• ###�E # •;t• # �E aE•# �• FLOW PROCESS FROM NODE 419.30 TO NODE 430.00 IS CODE _ 3 )>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )>)>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<<((< DEPTH OF FLOW IN 48.0 INCH PIPE I S 38.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.9 UPSTREAM NODE ELEVATION = 12:2:5.50 DOWNSTREAM NODE ELEVATION = 1216.00 FLOWLENGTH(FEET) = 850.00 MANNINGS N = .OiS ESTIMATED PIPE DIAMETER(INCH) = 48.0e, NUMBER OF ;'IVES = PIPEFLOW THRU EUBAREA(CFS) = 128.54 TRAVEL TIME(MIN.) = 1. i9 TC(MIN. ) = 17.0, 15 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE = 1 _-))))) DES I isivATL INDEPENDENT ^ STREAM FOR iONPi_UENCE t < < f i:t.N LUE+at-,*C VALUES USED FC5R 1NDEPttiiEiv l ,tEi4i 1 Art_ ; TIME OF i..uiVL�Li4iIrRFi�11714litiiii�iLiiL'GJ = 1�.+�1;j Ki-1iT4t^HSL IiViEiti:aiT'i' ilivl_r.%r•+DiJr'{i 2.45 1 Ci i i^^•ii_ S i REAi i AIR -E-A {1- OiZESi = 67.61 T'DTAL 0 1 iiE H r 01*,f r (Llt- S) F; ii0i�ii= -U- N -E - 12"S. 54 •ii:• •si• •k••k• •;*'• # #c •iF •De• it 3c if # •ii• i6 •ii ii •ii• it is• 3r # ii• •it # •i; •ib •3i• •ii• -if• •ir �• # dF •ii• 9E• •iF ie• 71h •iE• df• •il• # dE X ii• # # �ie• # •3i•dE iE�• •�• •�i •fi # #• •si• 9F �� # •k• x •k iC� •;E•3i• •k• # •pr •n �:• •,ti s: r L_i.iw r`itiiJL.La a i^ iiu i "NOD"E. 4i_8. K,Q1 i Uf�i�luE 4i:br +K� s G CODE - is ))))) `itt l vivi=ice i�iiE T HOD 1 N I i• I AL i- SUBAREA NALYS i S C ((C ( rr -----r'9'•r7'Ui'11:.L i N I T.IAL-SUUARcA-Uia I F ORS______________�_-._.`.......�_._-.�....,._�-_.....___.- c_vEi_ui='-iEi41 IS: cruLwDOi'LlNiuil Tim = i:3i i (LEIVu i i-i#x.ii /' (ELEVr; T itii�i CHANGE.) ] ##. ;_ S .r,---". O S1Z0. !L z • .4i'Na i it-iL �J�,rIKCri i'�WiN-L,`�itiGTi^I -• •' �• i ^ vi'S T FtGh-t�i Ei...GViti T i Hca - 1 �5. ri iJlJWik.Q, iRLi-ii�f L�cVri I t..j14 - 1L�LiL�. iFiU LLG'IA�1 t�.lt4 i.7 .L i-1"Gl"LCiVv� - I5. 1 3159',`t• I30.Z. 1C kl•1f••if 3) % ( 1 5. 1,01) .7 -k*. 2 = t I . 516 23-c. tii `fEi-iii RAINFALL iiv i ENSI T Y (Iiti,rK/ iOUr'c) = 3. 101 T. rr.CS _ n _.. Sa- to iir Gv�L (rLllyJ ti' 1Lr[I I iUlk iJ A!� vuiwi�lJi*i i iw I i.:i�l uQ. v Eii:Ji='riENi �iliitiilFi COEFFICIENT I C I E{�i i = . 77'�;LI - rt 0. i,� _ i a.;I�r=ic�Li i ftuia�lr=s= (::rr=5) - 1 737i --JL 4.40 T O T Ai-R�.iNOF r (CFS) = i _ .L 1L . tr,:S 3i••ik•ii••ac•ir•irii•tiE• 1r••###�i•#,!•zai••D1••3F#•!r'#i•#tit•iFie•ji•�f•#9f••Yr•�••!E•iE3(•iEir•ie•dE••ic•#iEx•##•if•#ii••#•9f••ii•dF•##iF•�••ii-�k••tFsE•3r,k#•ri•#•� #•ii•##•si #yr-irx� FLuw ►='rtOyESS FROM NODE 426.10 TO NODE 45+7.+.00 IS COBE - C � --) CiJi�ii='U TE - - - -- i=�1r7EF LOvv i rt'r1VELTIItiiETHrii1SUi-�ArcEA < < (< ( �-___...._______..__.__.____.__. JSI.NG %%r'O,";'PUTER-ESTIMATED i•'1PESIZE (i GN -PRESSURE FLOW < < < t Ea^T 1Mi-17ED~r`1F-` `uirliiic.iF.i^r t`iNi.;i^i)-iNCREASEU-TU-1b. 000 ------------=----------_._ •.P_ ' iJi.i= s�ri OFF Luw iia J.ci. Zi I NLrrY PIPE r`L` i i 8.7 INCHES r'::i= -u ti ELi:i;:; i'i .I ("c ET.` ScC;.) LJhwJ 7 f�Gl-llri_114u /C -GL.rr-��"S 1 LS�Iit:.L�l. -4i✓i+WiY: r :c�i-j+Yf iMui%E E'L,..E V 1-1 1 i O ti WL.-'•_. i1 -i !2!6. 00 t W iNQ` !FEZ I / !- S.Z.. . Go MAi 4N IPNG3S iN 13 �1�_''ni�l%�L11i1_�FiLR(i146.�i/ - 1i7.iGrI['I IvJtYiB-ER OF PIPES, - _ - '•7, GJ 1 .63 iei=lvcL T;is+,=:Pr�i't4.) - .07 TO (M 1N- ? - 11.59 i •r�-�-�•��� r •�-•;: �: •;r••�x�i•�a: •�•;t�•�'�•a�••�•�••�•��•###�-�••�••�#•ye•�•�••�•�•�•��i-•�•�•�#�••3e•'k••�x•#•��•#�#•><�c �••��••�*�••> #�r•��i �e•ie•�•x �: i'iu0:`-"S5 FROM NODE 43G. 00 TO NODE 4.. 0. eller .t 5 CODE i _,))))) .`)ESiGivA7'E ii4DEt-1E4NDciw"i-STREAi+� FOR CONFLUENCE((((( _______.._--•------___-_.._-- CONFLUENCE 'VALUES USED FOR INDEPENDENT STREAM ARE: i I ME OF CONCENTRAT I OWN ( iii I MUTES) 11.55 RA:NFALL- INTENSITY ( INCH. /HOUR) 3 9 1 G { Hi__ .L_r i 1RE-Ai*1 AiREA4 (ACRECS-) = 4. 40 r 0 T A%- STREAM REAM RJNO r (CF ti•') AT CONFLUENCE - 10. G3 •3l•iF�E•dE•3c•ii•3F•3r•Te•ir•iF•#iF•%•3E•3F•YE••3F••1I••iF•3E••k•R•9E•iFiE••%•#iEiF#•iE•#•lE•dF•3E#•>E•9f••)E•#-YE••)i•iEiF•1E•)E••ii•dE9F•�c••)E9E•if••iE•iE•ir#•li••iF�E•df••iF•iE••1f•if•9E•#dt##i•#fir#•i6ii- FLiles PROCESS FROM LODE 429.00 TO !NUDE 429.10 is CODE = E ---------------.-___-__--w--------__-___-------_--__-----______--__-_-_______- )))1)RATIONAL METHOD IiNITIAL SUBAREA ANALYSIS(<(<( ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1%4 ACRE) in7j . :+.: d_.'_i_.i .f -- r'.... T:., .. .,.-•"�.�..: - '1 \'+, L tiL�,4iJ, f'1a x'J7 / lL'.LC.VM IiLi14 iri`li'i14LlG/ J'7['7C. ,;, .. _, :. .. .._ _. INITIAL SUBAREA FLOW -LENGTH = 150.00 UPSTREAM ELEVA i ION = 1232.00 iJUiMlwS 1 R 1••1M ELEVATION = 1 X16. 60 ELEVA T 13N DIFFERENCE = 13.40 M E 4.723 i COMPUTED TIME O C4ti4CEN T RATION INCREASED TG 5 MIN. �. 2.5. i< 0EAR RAINFALL !N ENSI T Y ( INCH/►,OUR) = 5. 1 iS SOIL CLASSIFICATION 16 "A'' - .- S I NGLE -irliM I L.Y (1 / 4 ACRE LUT) RUNOFF COEFFICIENT - i 665 SUBAREA RUNOFF(OFS) 10.49 I 0 , A,.. AREA (Ai_ RES) = 2.60 TOTAL ituNOF1` (l..l' E) - Q.49 •k'•fi•#•#'####'�:###�F•###dF••it#•#'#######7l••###if•###'1i•####iE####'if###•31 iC#•)E•#####•)F•#3!••ff•###•1T••ii•#4f•#•fc�!r•rt•�••it# FLOW PROCESS FROM NODE 429.10 TO NODE 430. OZ IS CODE ))))) i.;OMPU i•E PIPEFLOW RAVEL T IME T HRU SUBAREA < < < < ( Q)4USING COMPUTER -ESTIMATED PIrE5I ZE (NON --PRESSURE h LCiW) (< < < C DEPTH OF FLOW i iN 24.0 INCH i PiPE IS 17.S INCHES PIPEFLOW VELOCITY (FEL T /SEC .) = 4.3 5PS i REi= M NODE ELEVATION = 1218.60 DOWNSTREAM NODE ELEVATION I ION - 1216.00 F�GWLZNGTH (FEET) = 200.00 MANNINGS N - 03 ESTIMATED PIPE DiAME T ER (iiN06) - 24.00 NUMBER OF PIPES = i r' P2FwG5 7HRU SiBARzE A (CFS) = 10.43 TRAVEL TiY+ic:(ri: N.) = .77 Ti=;tlYIN.) - 5.77 i#3r'ibtic•ic•x•ii•#•Yc•i�di•;�••if•-iE•##'is•##•iE•�E•!f•####•lF##�i•##9i•####•i(°#####9i•#####•!F#####•)F•ii••ii••if•#•lt•ii•##•k••ii•##iE#3E•#�::'�• FL5" PROCESS FROM NODE 43Z.00 TO NODE 4 0Y OZ IS CODE - 6 _->) > >) i=iiiDiTiuhi Ur- SUE+ArREfa-T �J iYiAii>►L1�iE-i='EAK-rLt7W < < < C <-------------------.____ 25.00 YEAR RAINFALL INTENSITY ( INCH/HOiUR) - 4.695 -iv' & CLASSIFICATION 1S "A" COMMERCIAL DE. Va=�iDi=`MENT RUNOFF COEFFICIENT - .8366 SUBAREA ATEA (ACRES) - .40 SUBAREA RUNOFF (CFS) = 1.57 T67AL AREA(ACRES) - S. ZZ TOTAL RUNOFF (CFS) - 12.06 TC(MIN) = 5.77 de••di•##•3i•#')r#�•###•h •k•'ii'•k•x•##•li•ii•�;••A###-k###�••#•####•if•##•iF•5i••3c####•iE#########•ii•###•k•####•it######•3i••3Etii••k• F,6" r R30ESS FROM NODE 430.00 TO NODE 430.00 IS CODE - I -- _ 0 0 DESIGNA i E INDEPENDENT STREAM FOR CONFLUENCE < < < < ( ) 0 0 AND COMPUTE VAR OJS CONF LUENCED STREAM VALUES (< (< ( C ONFLJENCE, VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 5.77 RAINFALL INTENSITY (INCH./HOUR) = 4.70 TOTAL STREAK AREA (ACRES) = 3.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = i2.06 CONFLUENCE INFORMATION: STREAM RUNOFr TIME INTENSITY NUMBER (CFS) ( MIN.) (INCH/HOUR) iC75-------2.451-------•------------------------------- S 1 Z. 63 i 1 . 5,3 S. 090 3 12.06 5.77 4.695 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: h �, 07 nmf M - CA or. . - - .- , . __ , . . - . . . .. . . _ .... Ln"& LI aw". al - 4. q-" wu .. .... .. 1- . _ .- _ .. . . COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS RUNOFF(CFS) = 143.27 TIME (MINUTES) = 17.050 50 TOTAL AREA KCRES) = 73.0i r.. FLOW PROCESS FROM NUDE 430.00 TO NODE 397.00 I5 CODE - I� ") "}) j j CiOir'iF'u-! E i=iIMtEFLuw Tiff-iVELTii�ic', THidU 5i �k.�AREi=i (< < < <------------------______ i ))) >;.SSING CuMPU7ER-E5 T IMA T ED PIPESIZE (NON -PRESSURE t= f_OW) (< < < ( i DEPTH OF FLOW IN 51.0 INCH RIPE IS 40.6 INCHES PIPEFLOW VELOCITY ("r=EE-I /SEC.) = 11.8 UPSTREAM NODE ELEVATION = 1218.00 DOWNSTREAM NODE ELEVATION = 1216.00 F U L `NGT ~) = 250.00 MANN I NGS N = .013 ESTIMATED PIPE DIAMETER(INCH) - 51.00 NUMBER OF PIPES = 1 PIPEFIOW THRU SUBAREA (CFS) = i43.27 TRAVEL T IME (MIN.) = .35 TC (MIN.) = 17.40 FLOW PROCESS FROM NUDE 397.00 TO NODE 397.00 IS CODE = 1 --------------------------------------------------------------.-----__------- i ))i>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< --CONFLUENCE VALUES USED -FOR INDEPENDENT STREAM 1 ARE:--==--------= ---_--^ TIME OF CONCENTRATION(MINUTES) = 17.40 RAINFALL INTENSITY (INCH./HOUR) - 2.42 TOTAL STREAM AREA (ACRES) = 75.01 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 143.27 '�..' #dt•##•le••ic••k•#;t'•iF•le•##•32'•1FSE'•iF•k#•iE#•#•1F##•)(••1F••ii•##'!E•'if•#•7E••iE'####•1f•##•)F•iE••)E•9E•#•if•9EiF#dE'###•if•#iF•)f••7F•1(•iF•)I•dE#•1F••if•#•3f•-lF•1f••k•)F•iE•1(••le• FLOW PROCESS FROM NUDE 397.00 TO NODE 397.00 IS CODE = 7 -->) > > •) USER SPECiFIED-H-YD-ROLUGY-INFORMA-T1ON AT NODE < < (< <-------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS:"Y/SCp- TC(MIN) = 12.46 RAIN INTENSI TY(INCH/HIOUR) = 2.96 E�kIu_A-66' TOTAw AREA (ACRES) = 26.67 TOTAL RUNOFF (CFS) = 53.79 PROK i-A,el-k i- `% 1411 FLOW PROCESS FROM MODE 397.00 TO NODE 397.00 IS CODE = 1 -)))))DESIGNATE INDEPENDEN STREAM FOR CONFLUENCE<<<<<--------------------- > >) > > AND COMPUTE VARIOUS CONF LUENCED STREAM VALUES < < < < ( _-CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE.____-_`_------___'_=� TIME OF CONCENTRATION(MINUTES) = 12.46 RAINFALL INTENSITY (INCH./HOUR) = 2.96 TOTAL STREAM AREA (ACRES) = 26.87 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 53.79 CONFLUENCE INFORMATION STREAM RUNOFF TIME INTENSITY ----------- (CFS) ------ (----) - (i---f/HOUR) _________________________-_-_-------- 143.27 17.40 2.421 iR 79 12. 46 �.:r. 2.955 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ... 1 a or c-+ _ __ . , _ . I _ COMPUTED CONFLUENCE ESTIMATES R4E AS FOLLOWS: RUNOFF(CFS) = 187.33 TIME (MINUTES) = 17. 40in TOTAL AREA (ACRES) = 103.86 #####•ii••k####$c•it•iF##ic#�•ii••k##iF###-�•#•#•�•########iE•3E#aE•#iE#9F-ii•�i•#######•if••lf•!E•#####iFis•�#•a•#####•Y:-•k• FLOW PROCESS FROM NODE 397.00 TO NODE 604. O IS CODE -- 3 ---------------------------------------------------------------------------- > ) > >) COMPU T E PIPEFLOW T RAVEL T IML rHRU SUBAREA < (< < < 00>jSING CCimF U72 R -EST I ff A r ED P I PES I LE (NON -PRESSURE FwOw) < (< ( < BERTH OF FLOW IN 57.0 ."t Ni:;H PIPE IS 42.0 INCHES - - - - - ------ PIPEFL.Dw VELi..CI Y (FEC l /SEI... ) = 13.4 UPSTREAM NODE ELEVATION = 12i6.00 DOwNSTREAM NODE ELEVATION - 1505.00 F LOWLENGTH (FEE i•) = 780.00 MANN I NGS N - .013 ESTIMATED ED PIPE DIAMETER(INCH) _ 57.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 167.33 RAVEL T IME XIN.) = .97 TC (MIN.) = 16.37 #########yi•####�f•##•x•###############iF###�E•dE•##•iF###�E•#iE•########•�•##•lE•#jF•####•�•�f••lf•####### FLOW PROCESS PROM NUDE 605.00 TO NODE 604.50 IS CODE = 8 ---------------------------------------------------------------------------- >>>>)ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<(<<< 25-00 YEAR RAINFALL IN T ENSIT•Y• ( INCH/HOUR) - 2.343 SOIL CLASSIFICATION IS "A" SINGLE -FAM •1' LY (1 / 4 ACRE LUT) RUNOFF COEFFICIENT = .7158 SUBAREA AREA(ACRES) = 14.60 SUBAREA RUNOFF(CFS) = 54.49 TOTAL AREA(ACRES) = 118.48 TOTAL RUNOFF(CFS) = 511.82 TC(MIN) = 18.37 �e•##ae••###lE•####•�•lf-###di••lE•#�E•lE•##•ii•##•IFdE•###�F•#####•)(•d4•#####•if••lE•9E####•�#di••lr•k�•#�••*�r-if-#•x••�•iE•##iF-IE##### FLOW PROCESS FROM NODE 604.50 TO NODE 604.50 IS CODE = 1 >0 0 DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED 6 REAM VALUES(<(<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE TIME OF CONCENTRATION (MINUTES) = 18.37 RAINFALL INTENSITY (INCH./HOUR) = 2.34 TOTAL STREAM AREA (ACRES) = 118.48 TOTAL. STREAM RUNOFF (CFS) AT CONFLUENCE = 21i.62 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 5 i i. 85 18.37 2.343 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA (SBC) USED FOR I STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 511.85 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 211.85 TIME (MINUTES) = 18.374 C_ TOTAL AREA(ACRES) = 118.46 -- --------- END OF RATIONAL METHOD ANALYSIS 3) LINE 'D' HYDROLOGY b) 100 -YR. FREQUENCY i _ _ _ .._ . .. r r .... '-r• is r:. x �. r _ .. „ z _• �r..., ....c a •y.r, ... '.r ,.. rY a. •n .. _a _ ALONG LINCU L-rj 14 i/'ii>DZs&NwTE :-hEjENDzN7 z7REAX FIR )VAI)AND zopps7E VARZOUS CONF"jENCED STREAM VAwasmy< EONF-MIZ VA-uES jSED FIR !NDEPENDEN7 XAEw2 AREL ..ME 3j = 15.46 RAIXFA-XTEKS17Y QNCH,imO,R) S.12 EFFZ271VZ 57REAA AAEA&CRES) = 5.4L 707k. STREAM AREACRES) = 5.4Z PEAK F -CA &QTE0FSl Ar 03NF,UENCE 13.83 CONF"GENGE iNFORMATION; STREAm ;HAK F -ow TIME WENSITY Fm EFFECTIVE NuNBER RATE(CF& (MIN.) CINCm/HOUR) (IN/HR) AREA(ACRES) ----------------------------------------------------- 15.45 0.06 3.126 .49 Q.83 15.46 3.316 .49 RAINFAon iNTENLITY AND TIME UF CONCENTRATION RATIO CQNFOENCE FORmLA USED FOR 2 STREAM SOMMARY RESiLTS: 57REAM CONF"OENOE EFFECTIVE NO. SER ----------------------------------- GCOFS) AREA (ACRES) 26.36 E6. 65 COMP47ED CONFLUEN12 ESTIMATES ME PEAK F"06 RAT&CFE) = 28.63 EFFEMVE AREACACRES) 0-770-3 TOW AREACACRIS) = 1l.67 AS FOLLOWS; TIME (MINUTES) 5. 4,S i 5. 46 -- 1) MCC F"DW PROCE82 FRIs NODE 401.24 TO NODE 401.&S 12 CODE 3 ---------------------------------------------------------------------------- )>)))COKPj7E PIPEFLGW TRAVELTIME TmRU SUSAREA((((( ))&)LS!xG COMP=R-ESTImATGid PIPEE IZE (NON-PRESSORE F.0Q((C(( DE07m 01 F.3w IN E7.0 !NCH PIPE 15 16,8 INCHES PIPEFuGh VEL3CITYGEET/SEC.) = 9.6 XS73EAA NODE E.EVA710N - 1248.80 DOWN87REOM NODE ELEVATION i244.30 F"0WLEmG7m(FEET) = 340.00 MANNINSS N ZQ E2711'IATLD PYE DZAMETERtIN(_r0 27.WO NUMBER LF PIPES QPET�Zw 7nR- SiBAREA&FS? 23.85 TRAVZL 7ZNEQX:N.; = w bis MMIN.) 16.04 X"jw WALCZis FRjm NODE 40I.L5 70 NODE 40i.= 18 COjE ------------------------------------------------------- 1NDEPENDENT 87REAm FLR CONFLUENCE<(<<< CONF"GENLE OA"= L. FLR INDEPENDENT 87REAM 1 AM 72NE OF CGNCENTRATION (MINiTES) i6.04 RAINFALL iNTENSITY (INCH,/mOjR) « 3.24- 5 EFFECTIVE STREAM AREA(i• CRSS) = 11.05 Z O i 1•-l. S 7 K:li= m AREA(ACRES) = 11.67 PEAK F"OW RATE (C:F 5) AT CON LUEiNLE = 28. 65 tie # •fF• •ti• -it # # #• •!e # if• •Ys• if• •�• if• r # >d:•-ir •R it •sr #tic •Y: •DF• •ii• •� #:• t x �:• �: i?� •!e• dF # # •i4•><• •lr R• tir• }: •3E• •ir •x.:r # tir •3i• tiE tis # is •x:• tiE •)! x •ic• tir it• iF tit• *• •x tie• •!r �:. •re •e,- }r •,:- •Jr rr r: FLi & 1••1\6. EIS FRIM Ny1.)L' 453.IZ TO NODE 4wI. L5 5 Cl. bE == 2 i 1 SRA i 1ONA�.. ME � HOD lNITIAw SUBAREA ANALYSIS ((< t < -- ) ) ____.___.___.__. DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL 0 r5-7 DWELLINGS/ACRE-----^------_--�___ TC - X*C(LENGTFLOW-LENGTH S.00)i(ELE'VA 1G/N CNANGE•):i** .20 i INI IAL SUBAREA LOW -LENGTH = 1'L�r 0.00 1. PS'i REAm E"E V A T I ON =_ 1 c:E,0 40 DOWNSTREAM ELEVATION 1244. 1244.30 E..LCVA T .L ON DIFFERENCE = 16.101 TO m .385* i. ( 1 oo . iL'i0•i * 3.00)/( 16.10)1** i G = 14.07S 100 YEAR RAINFALL I NTEI4S I TY (I NCH/ HOUR) 0.508 SOIL CLASSIFICATION IS -A; RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm ( INC. H/ HR) l JtiL'Sh:i :L' A TlUNOF (1..FS) = 18.47 j T i.. AT AREA (i �i::RES) - 6.7S FEAT'; FLOW RHTE (i FS) - i6.47 •k••ie••ie•#•x••ie�•i••3rt••k•ic•�c#ic•iFie•iFtiE••iF%••)i.•fE•ii•9E•lFicie•lF•3E•re•sF••I#•ic•3Fd'c•yi•tif•9t9i•9Eie•1@•3f••3ir•lF•3f•i2•iE•iFdE•iE•lE••iE•�f••iE•it•yt•iE•IEiE••)E••3E••3FtiE•tif••3C•3E•lE•9f•tie••3i•tr�•#•is•ii FLow PROCESS FROM NODE 401.25 TO NODE 401.25 IS CGDE - 1 i -- i )))) D2SlG&A T E INDEPENDENT STREAM FOR CONF=LUENCE (((< < _-___._.._..___ ) 0 0 ANDS COMPUTE VARIOUS CONFLUENCED STREAM VALUES (((( ( ` CCNF LUE NCE VALUES USED FOR INDEPENDENT STREAM 2 ARE . i 1iviE OF i..:lONCENTRATION (MiNii ES) - 14.08 RAIiaPl^•wn INTENSITY (INCH./HOUR) - 3.51 EFFECTIVE STREAM t= RE A (riCRES) - 6.79 j .'07AL STREAM AREA(ACRES) = €..79 I PEAK F "Ow RATE (CFS;) AT CONFLUENCE - 16.47 CONI` � WENCE I NF` O RMA T l OK i STREAM iti:`4-lM PEA'S f i OW TIME IN -i ENSI t Y {FM EFFECTIVE _ y ) � INCH/1 �U' rte.•' I�t�i'iL"iF_f'� r1N i G (CFS) (Mibi, � �.ihi) (iNl`I-ii't) AREA(ACRES) ) --------------------------------------------------------------- 1 �G. �v1ti. 04 . i_4.=i• 1. 0'j 16.47 -_4. 018 3-508 .4S S. 7'D nr•s::NFA"L INTENSITY AND ME (4E ;::lr= CONCENTRATION RATIO Ci: NF Lt.iENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAf{i CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ----------------------------------------------- 4.7i 17.66 46.22 16.52 COMPWTED i. ONFLUE FSE E6 i 1 Thi T ES AkE AS FOLLOWS: PEAi F"Ol filtilC..VO S) = 46.22 T..MEQINUTES) = 14-07S G EP EC T•.tVE F'tREA &GRES) = i6.52 707AL AREA(ACRES) - 18.46 .•tcic•)r•DF3E••3f•3:•l�•7f•#'c•3F••3r-R*•yf••i;•ii••)i••1t••it••if••x••i:•�i•!f••i%7f'•�•df�i•i�•:ti3e••1F'if••lF'Pc#•irib•Yc•�•ir•3e••if••➢f•d4•fi••'r'••fiif•it'•i4Yb•iF•f:••iF-iE•s<••ff••i?•9e••iF'�••f•f••f'i•iC�c•se••h••i:•�•i`yr;: F LZW PROCESS (" 1•fLM NODE 401.25 70 NODE ! G . K 18 LDDC - 5j --~- - _-_ )) i)) s•,,O i -'u 7 C PIPEFLOW i GRAVEL I IME T {• RU SUi?ri`EA (< ((( COl*•iPO ER -E S T I t ATED PIPESIZE CNON-PRESSURE FLOW) ((< i < DEP7h OF FLi ;v;r i f4 f+i. k� INCH PIPE IS �..- � INCHES r• -------------....__•... --T.r`Cr'LU�nI vr.•LO;.: 1 T 1' iFc1C• t f SEC.) 5. S UPSTREAM NODE ON = 1244.30 DOWNSTREAM REAM NODE ELEVATION - 1243.50 f L0WwEWG T H (FEET) = 310.00 00 MANNINGS N E8 7 1MA { ED PIPE iiiAME T ER ( INCH) - 42.00 NUMBER UF PIPES i PIPEFLOW tFlRU SUBAREAiC S) 46.22 TRAVEL TIME (MIN.) = .66 TC (MIN.) = 14.16 •k• •�:• •fi• iE iF •iti ie it it •si� # it• •�:• •it• �f• •k ;t• # ie• ii d4• it ii •,i• aF• it• •k• •k• # iE• •Yi•iF # # # # •k •k iE it i4• # iE # iF # if• •k• •i'r •if• # it •3f• # iE iE •k iE # it iF it tif• •ii•ic is •s: •p: •iE• is •ie• tir 9r y;�: z: F"3i PR.30ESS PROM NODE 406.20 TO NODE 40G. L0 S CODE ---------------------------------------------------------------------------- ? i 5 11ESIGNA + L INDEPENDENT STREAM FOR CONFLUENCE < < < < < CONF LiENCE VALUES USED FOR INDEPENDENT T STREAM 1 ARE: _" y iiiE %l e= C iiiyCFiy`Rti1T I C;U ( ; i iaUTES; 14.96 RAINFALL INTENSITY (INCH./HOUR) _ .3.35 EFFECTIVE SVC S i R::.i=M AREA(ACRES) - 16.52 TOTAL STREAK'; AREA (ACRES) = 16.46 PEAT � FLOW RATE(CFS) AT CONFLUENCE = 46.22 •h•k•iFLOW it• �t_iE•J4C' 4yt�.e•E3cJiFSifiEF9fr•„)b•ili•ih: '3f•#NODE iFiFir#4it#0 :1 Fi.F1fF•0it'•#T#-O)f• iE%O!D##t +f•0 9E#1#. #1#1 if••1k•59E#C#Oie•DiF•EiFlk•#•iFityfE•3i• #i(c•iF•itit3c•ibsc'E•3i }c r ) •1 i) •i RA7 I (:;NAL M T HOD 1 N I T I AL SUBAREA ANALYSIS < < < < ( - DEVELOPMENT •:5 SINGLE i AmILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE TC = K* is 1 LENGTh** 3.00)/(ELEVATION CHANGE)]** .20 I.NiTIA" St.iLkR.: A FLOW -LEND T H = 600.00 i PS I PY;={' M ELEVATION = 1(64. 50 DOWNSTREAN ELEVATION w !E57.50 ELEVATION DIFFERENCE 7.00 1 L = . 3t:l9* i. � �j{[ 0. �31j41** 3.00)/( 7.00)3** . 20 "' 12.241 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.05 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ ACRE SUBAREA LUSS RATE, Fm ( INCH/HR) = .4850 SUBAREA RUNOFF (CFS) - &.04. TOTAL AREA (ACRES) = 3.35 PEAK FLOW RATE (CFS) - 10.04 FLOW PROCESS FROM NODE 401.11 TO NODE 408.20 IS CODE = i✓ 7 STREETFLOW TRAVELTIME TkRU SUBAREA < < (< < -- UPSTREAM ELEVATION = 1257.50 DOWNSTREAM ELEVATION = 1243.50 STREET LENGTH(FEET) = 680.00 CURB HEIGTH ( INCHES) = 8. STREET HALFWIDTH (FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) _ .240 OUTSIDE STREET CROSSFALL(DECIMAL) _ .2E0 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 ##'iRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 13.43 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) _ .73 HALFSTREET FLOODWIDTH(FEET) = 4.04 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.34 PRODUCT OF DEPTH&VELOCITY = 5.34 STREETFLOW T RAVELTIME (MIN) = 1.54 TC (MIN) = 13.79 iOO YEAR RAINFALL INTENSITY ( INCH/HOUR) = 3.553 SOIL CLASSIFICATION IS "A" RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 OBAREA AREA (ACRES) = 2.45 SUBAREA RUNOFF (CFS) = 6.76 EFFECTIVE AREA ( ACRES) = 5.80 AVERAGED Fm ( INCH/HR) - .465 TOTAL T AL P• REA(ACRES) = 5.80 PEAK FLOW RATE(CFS) = 18.01 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .76 HALFSTREET FLOODWIDTH(FEET) = 4.23 FLOW V ELCC I TY (FEE T / SEC.) = 7.68 DEPTH#VELOC I TY = 6.0 2 •x• �*••�•�••�••a•#•;%••3i••ii•####dt-ii•3c#�•iE##•ik••sc##•iE•#•ib•t�•3F#•fir#•iE•#•3F#####•k####•lE•�•�:#####•k•ii•##•iF•iF•#####•lE#•iE••ic###�•# FLOW r`AGL; .SS PROM M NODE 408. Lk. TO NODE 40 8. ` 18 CODE _ ]. ------------------------------------------------------------------------------------ ) > 0r DESIGNATE i NDEPENDENT STREAM FOR CONFLUENCE < (< < < 13,'.,- -6E&bE VALUES USED F i.iR INDEPENDENT STREAM 2 ARE: 7.1mE OF CONCE+i T RA f IO;N (MINUTES) _ 13.79 RAINFALL. lN,•ErSIT"Y` (INCH. /HOUR) - 3.55 EFFECTIVE STREAM AREA (ACRES) = 5. 80 G, �. � 02- TOTAL 2i'OT tL STREi= m AREA C ACRES) = 5.80 PEAK FLOW RATE(CFS) AT CONFLUENCE •s:••�••�c •3t�######9E#•3i••#•###iF###•ie••k•ic•�•#�i•#•3E##iF�E#•3i#############�E••)f•#####�i•##•74•##•� ##•3E#•i�•x�F••it•ic;�•a;; FLOW PROCESS CESS FRl.. M NODE 408.00 TO NODE 408.01 IS CODE - c ---------------------------------------------------------------------------- ) > >)) RA l I liNAL METHOD INITIAL SUBAREA ANALYSIS((((( 6 :2 SiNaLE FAMILY RESIDENVAL 5-7 DWELL:N&SIACRE 70 = &*Zl"EAG7H** &ZO)/(ELEVATION CHANGEQ** .20 • 1071AL SuBAREA F"OW-LENSTH = 523.021 OP87REAM E-EVATIOm - 1262. 60, DOWN37REAM ELEVA70N = 1253.50, E�EVA 713N DIFFERENCE = 9.1Z 7z = .369*Z& 5&Z.oQ** S.ZZ)/( LZ 100 YEAR RAINFALL iNTENSITY(INCH/HOUR) = 4.145 SOIL CwASSIFICA 711N IS "A'' RES:ZENTIA.-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, MINCH/HR) - .4SSO B02AREA RjNOFFQFS! 11.90 TUTAAREA(ilii RES) 3.63 PEAK FLOW ROTECCFS) = 11.96 Fw0W PROC2GS FQm NODE 406.01 TO NODE 408.20 IS CODE ---------------------------------------------------------------------------- 0>00=6TE 67RZETFLDW TRAVELTIME THRU Sj8AREA<(((( uASTRZAA E�ZVA7166 1253.50 DOWNSTREAM EuEVATQN 1243.521 Z7RE27 LEx5Tn(FEET) 52000 CUmB HEIGTH(INCHES) 6. 57REET hA"FW!DTh(FEET) = 18.00 D187ANCE FROm CROWN TO CROSSFALL GRADEBREAK 12.00 1472RIOR S7REET CROSSFALL(DECIMAL) = E41Z! DiTSIUL' STREET CROSSFALL ( DEC IMAL) = .180 SPECIFIED NUMBER OF HALFSTBEETS CARRYING RUNOFF = I **TRAVEL7lmE COMPUTED USING MEAN FLOC; (CFS) = 16.33 STREE TFLOW MODEL RESULTS: NOTE: 87REE TFLOW EXCEEDS TUP jF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION TKAT NEG" IBLE FLOW OOCUN8 OUTSIDE OF THE STREET CHANNEL. 7mA7 18, ALL FLOW ALONG THE PARKWAY, ETC., IS NiGLECTED. ZTREE T FLOVDEPTK(FEET) = .62, HAnFSTREE7 FL03DWIDTHVEET) = 5.05 AVERAiE FLOW VELDOITY(FEET/SEC. ) = 7.31 PiCDjC7 OF DEPTH&VELOVITY = 5.61 37REE7FW 7 LERAVELTIME(MIN) = 1.19 TO (MIN) = !1.853 TICOH *YEAR .Z!Zl RAINFA"L VTENSI7YQNCH/H0UR) 3.&V. -s-T- SZ:w ZLASS:F!0A71ON 13 "A'' RES:3EN7:A--) 5-7 DWELLINGS/ACRE SiBAREA LOSS RATE, Fm(INCH/AR) .4352, SwBRREA AREA(ACRES) -2.65 SUBAREA RUNOFF(CFS) 6.74 EFFE071VE AREA(ACRES) 6.4E B 7)-7,02- AVERAGEL Fm(INCH/HR) .485 TOTAL AREACACRES) = 6.46 PEAK FLOW RATE(CFS) = 19.66 ENL ZF SUBAREA STREE TFLOW HYDRAiLICS: ---JBOT DEP7H(FEEV = .66 HALFSTREST FLOODWIDTH(FEET) 5.40 P -Ow VELCLITVFEET/SEC.) = 7.75 DEPTh*VELOCITY = 6.65 f _.._ -Ow -PROCESS -f•' i't4.JM-i4•.+D_....-.�.4LiO.,i_.ti+_-1 11- NODE ..._...if•k+G^ir;+G+-+2_ CODE _........___._...__._._..__.._.-_«__.... • 4 _ i ))) 3ESZt7NA T r... j, +iiJcr`.:.,ILiDEN T 5 1«REhff`+'f FOR COWFLU NCE (((( ( l...l.iMPi+E VARIOUS frLfiv,(^'LUENCED St 11Cf-N VALUES((`. .....:L+uo4. L.IL..NvE-Vr•+.•...:G2-+..f:?:.v 1"I..lct INDEPENDENTSTREAM ......_._....__._�...�.....-._.____..-:.:.... 7:K7:KE M 1.ruNl-rw.. N I RA i i GN (M 1 NU f SES) -• 11.85 RP•ti1i4frr -i. - lN7ENS:4Y (1iy(..�fi. %(iOO ) - 3.8J f EFFECTIVE S7 it=.AK AREA CACtR .S) = 6.46 707An STREAM AREA(ACRES) = 6.46 i i-'EAK r L.Om RATE i OF S) r-1 CONFLUENCE -- 19. `CG I ZINF LUEi4. CE XFLiiiA' AT I GN ; S PChm PEAK PLOw r .LINTENSITY N NS1-Y =iEFFECTIVE f NJ; BER RATE(CPS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -..------_-_----__........__---------------------.___-__-------------__--- 1 4 G. L2 1 4. •aS 3.363 .49 16.52 2 10 o i 13.7S v. 553 .46 L t i5.86 1 1. 85 3.89i .49 6.46 1 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CI&P._C\.E FORMULA USED FOR : STREAMS. SJlyilnARY RESUL i•S . :`.iT RE! -1m lrl.li'at^I...G.1CNCE 'EFFECTIVE I--------------------------------------------------- 76.24 --` --DE---_-__O ---- i----AREA(ACRES)-----•-_----- 7d. 54 26. Be. 76.99 E7.bO 76. i6 24.54 f..,OMPr j l ED CONS- LucNi...E ESTIMATES AkE AS FOLLOWS \ r'EAX FLOW RATElOFS) = 8.99 TIME(MINUTES) I EFFECTIVE hirit.&AC+RES)_ 57. 0 _ 0.74 •ir•'sF•ic•:r•ii•ii••k••iiit #•i+c•ic•iF#•k#•Dr#•ic-k••iF••#•#iF••k•####•ir########9t•################dE•####ir•f!•##•iF#####•k•ic#Se••ic3i F�,. i P RWES S FROM NODE 40G. L0 TO NODE 00. 00 IS CODE - ` ) ))) i C0MPJ' E P IPEFLbi TR- 'E" TT E TKRU. SUBAREA < < < ((- �:A'viL � ii T 4 I ))))) f.. 3l NG Cv�� PU r E R -EST 1 mATED r-' I PES I ZE N NON -r RESSUjRE FwGQ (< < ( ( i:):.PTM OF FLOW IN 39.0 INCH T'IM'E 15 31.9 INCHES I M',.PEF_ Lw VELOCITY (FEE I /SEC. ) '-= 10.9 V:• -"J'• + RE:h' N NODE EE V 1••,1 : 1 GN = !243.50 0 DOWNSTREAM iliODE:. ELEVATION - 1:37.50 F LOWLENGTH ( FEE T) = 620.04 MANN I NGS N -- .013 } ESTIMATED ATED f-'iPE DIAMETER(INCH) = 39.80 '- ti NUMBER OF PIPES r'C.S = i PIPEFLOW THRU SUBAREA(CFS) - 78.99 TRAVEL TIME CMIN.) = .95 TC (MIN.) 14.74 'lv"i'C'3�•'):"ir')!'i:'Fc'3�rti¢'7k'#3t"}F�f'##'ii'tiF'i'rit"'fr#'ii"ie"iF##'ie")i•##�c•3E')i'•lF•ii••le••if'ir###�ryE••3r•ii-#9i•ir#•3i••ic#ii•�t'#9e'•}i•##R'#•ii•'k'9s-yi••iE•'k•j:-�r 7: -�•x �i FLL.0 PROCESS r= Rijn BODE 4!0.00 70 NOUS 41Z.00 _ 1 S Ct_i1J_ �. ------------------------------------ -------___.__. ) ')))) DESlGNA I E 1NDEr'zNDE T STREAM FOR SONFLUENCE ((< < ( 10 WNFLWENCZ VA-JESUSED FIR INDEPENDENT STREAm i AREg Tliir 5F CONCENTRATION(MINGTES) 14.74 RAINFA-" !NTENS17Y (INCH./HOUR) 3.41 EFFECTIVE STRWAM AREA(ACRES) = 27.50 TIT&" STREAm AREAVACRES) = 10.74 PEAK F-0" RA7EQFS) AV CONFLUENCE 76.4) FoCK PRGCESS FROM NODE 408.10 TO NODE 410.00 18 CODE L ------------------------------------------------------------------------------ >)QAw >RATi0NMETHOD INITIAL SUBAREA ANALYSIS(<((< DEVE"OPMENT IS SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE 71 = K*E(LENGTH** 3.00)/(ELEVATION CHANGE)]** » CZ 10710L SUBAREA FLOW -LENGTH = 780.00 iPSTREAM ELEVATION = 1249.80 DOWNSTREAM ELEVATION = 1237.50 EnEVATIii DIFFERENLE = i2. 3Z TC w .36S*Z( 780.00** 3.00)/( 12.30)2** .20 100 YEAR RAINFALL !NTENSITY(INCH/HOUR) = 3.7!4 601" CLASSIFICATION IS "A'' RESIDENT IAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(!NCH/&R) .4850 KBPREA RUNOFF(CFS) Q.26 7G7An AREA (ACRES) = 5.94 PEAK FLOW RATE (CFS) = 17.26 F"OW PROCESS FROM NODE 410.00 TO NODE 410.00 IS CODE ------------------------------------------------------ ))0QESIGNATE INDEPENDENT STREAM FOR CONFLUENCEM(( ----------------------- CINTL6EWCE VALUES USED FOR INDEPENDENT STREAM E ARE: 71vZ IF CONCENTRATION(MINUTES) 12.80 RAInFAwL INTENSITY (INCH. /HOUR) 3.71 • EFFECTIVE STREAm AREA(ACRES) = 5.94 73TAn WEAs AREA(ACRES) = 5.94 PEAK FwLk RAMOFS) AT CONFLUENLE 17.26 P-3" PR31263 FRLM NODE 409.iO TO NODE 410.00 1S CODE ---------------------------------------------------- 100RATIONkL METHbD INITIAL SUBAREA ANALYSIM<<(------------------------ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE TC = K*C(LEND TH** 3.00)/CELEVATION CHANGE)]** .20 INITIAL SGBAREA FLOW-LENGTS = 960.00 UPSTREAM E"EVATION = 1246.60 DOWNSTREAM ELEVATION = Qi7.50 ELEVATION DIFFERENCE = i 1. ill 'c .369*c( 960.00** 3.00)/( 14.800 100 YEAR RAINFA"L iNSEN SITY(INCH/HODR) 3.4wS SOIL CLASSIFICATION 18 „Al, RESIDENTIA"-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm CINCH/HR) .465Z SUBAREA RJN3FF(CFS) = 15.59 7TAw AREA (ACRES) 6.06 PEAK FLOw RATE(CFS) jays 30,f F_Ov� PROCESS FROM NODE 410.00 TO NODE 41Z. OO IS CODE ------------------------------------------------------------- Ill0UES IGNATE &DEPENDENT STREAM FOR CONFLUENCE <<<<(------------------------ 0>)lAND COMPUTE VARIObS Ci. NF STREAM VALUES<(<<( ZONPLWENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: 7:,tyl-- DF CONCENTRATION (MINUTES) 14.60 RAINFALL lNTENSITY (INCH./HOUR) 3.40 EFFECTIVE STREAM AREA (ACRES) = 6.06 7070, STREAM AREA(ACRES) = 6.06 PEAK FLOW RATE(l':FS) AT CGNFLUENCE 15.98 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RA7E(CPS) (MIN.) (INCH/HOUR) (IN/HR) AREA (ACRES) -------------------------------------------------------- i 78.99 14.74 3.413 .49 27.50 2 17.26 12.60 3.714 .49 5.94 3 15.98 14.60 3.405 .49 6.06 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CON FLUENCE'FORMULA USED FOR 3 STREAMS. S6MMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I N-tiMBER G. (CPS) AREA (ACRES) --------------------------------------------- i iio.Gel 39.50 E 1081. L2 35.09 3 110. 34 39.52 ZOmPaTED CONFLUENLE ESTImATES AnE AS FOLLOWS: PEAr, F"Ow RATE (CPS) = iio.60 TIME(MINUTES) = i4. 73E EFFEC71VE AREAtACRES) 39.521 70TA. AREACACRES) = 42.76 FLiW PROCES8 FROM NODE 410.00 10 NODE 40S.14 1S CODE 00)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA V<((( )>>>>USING COMPUTER -ESTIMATED PIPES IZE (NON -PRESSURE FLOW) (<((( DEPTH OF FLOW lN 46.0 INCH PIPE IS 34.3 INCHES PIPEFLOW VELOCITY (FEET/SEC.) = il.S UPSTREAM NODE ELEVATION = 1237.50 DOWNSTREAM NODE ELEVATION 1202.00 FLOWLENOTH(FEET) = 650.00 MANNINGS N .013 ESTIMATED PIPE DIAMETER(INCH) 46.00 NUMBER OF PIPES 12 1 i • i PEi= LOW THRU SUBAREA(CFE) - 110.60 i"ris=;'vti_ T IME(MIN.) -- .94 TC (MIN.) = 15.66 r' - t i�•�#•k it �••#••1FiF•3E•if••iFii•iF•)f•#####•3F•3F•3�•if••k••x3Fx9�•9F9f•iE#iF9FiriE•iPiEiF9(•9E••3E•-1f•iF#•ir•lE••�E•9i•iFyF•)E••,t'•�f•#•if••�••ic•)i••3E••lE•�EiF#3i••;;i••3;•3�ii•kRi��•�•s- V F -OW PROCESS FROM NODE 409.14 TO NODE 409.14 IS CODE J. > >) > > D'E`SIGNATE 1 NDEPENDEA T STREAM FOR CONFLUENCE < ((< (----------------_--'-_ CONFLUENCE VALUES USED -FOR INDEPENDENT S T RPAx 1 ARE: - ---------------`� TIME OF CONCENTRATION(MINUTES) - 15.66 RAINFA"L INTENSITY (INCH./HOUR) _ 3.29 " STREAM REAM AREA (ACRES) = 39.50 EFFECTIVE TI E t WC c T 0 T AL STREAM AREA(ACRES) = 42.76 PEAK F OW RATE (CFS) AT CONFLUENCE - 110.60 ###c#9F••iE••3i•##if•##•if•####9c###•3f•-3f•###•if'##########•lrdE•#####�t•###############•3i•####•#•#•ir#�••rc•ti••ic�•#•� j FLOW PROCESS FROM NODE 409.11 TO NODE 409.12 IS CODE - E ------------------------------------------------------------------------------ >D > > "> cRAT I ONAL METHOD i N I T I HL SUBAREA ANALYSIS < < < < ( i DEVELiii=`;MEN7 IS SINGLE FAMILY RESIDENTIAL -) 5-7 DWELLINGS/ACRE- 7C = K# : QENGTi-** 3.00)/(ELEVATION CHANGE)3** .20 INITIAL SU•!-sAREA FLOW -LENGTH = !000.00 UPSTREAM ELEVATION = i260.00 DOWNSTREAM ELEVATION = 1249.10 ELEVATION DIFFERENCE = 10.90 TC = .389* i ( 1►Zoo. o0## 00) / ( ## .�. 1Q1. 9s0i ] .20 15.222 100 YEAR RAINFALL INTENSITY (I NCH/ HOUR) = 3.348 SOIL CLASSIFICATION IS "A'• RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LUSS RATE, Fm(INCH/HR) _ .485O SWtsAREA RUNOFF(CFS) = 9.71 TOTAL AREA(ACRES) = 3.77 PEAK FLOW RATE(CFS) = 9.71 1 3E•dE#-Ai•#•ir#9:-9F'iciF#########•IE•#•lF#########iF##iF##iE•########9FiF###'1f•########'k•#####irdF#####•ic•>:• FLOW PROC286 FROM NODE 409.12 TO NODE 409.14 IS CODE - 6 _ _-_---_____--------------- >>>0 COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<((<( UPSTREAM ELEVATION=- 1: 49. 110 DOWNSTREAM ELEVATION - ic3: , sttis S T REE S LENG I H (FEC 7 i !060.00 CURB t EIG i H (1NCHCS) STREET HALF W I DTH ( FEET) = 20.00 i ` DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = !2.00 INTERIOR STREET CROSSFALL(DECIMAL) = .240 OUTSIDE STREET CROSSFALL(DECIMAL) = .E60 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 I **TsRAVELTIME COMPUTED USING MEAN FLOW (CFS) = 17.63 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TUG OF CURB. 13 THE FOLLOWING S i REETFLOW RESULTS ARE BASED ON THE ASSUMPTION CHANNEL. THAT NEGLiBLE FwUW OCCURS OUTSIDE S I UE OF THE STREET REE T Ct-;aNN EL. THAT I S, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET i= LOWDEP T ri (FE E i) = .86 HeALF S T REE -i F"OGDW I D T H ( FEET) = 4.55 AVERAbE FLOW VELOCITY (FEET/SEC.) = 7.41 PRODUCT OF DEPTH VELOCITY - 6.39 STREETPLOW TRAVELT IME(MIN) = 2.36 TC(MIN) - 17.61 100 YEAR RAINFALL INTENSITY ( INCH/HOUR) ,SOIL CLASSIFICATION IS "A'' RESIDENTIAL-) 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE:, Fm ( INCH/HR) _ .480'', SisiAREA AREA(ACRES) = 6.96 SUBAREA RUNOFF(CFS) EFFE-; s IVE AREA(ACRES) - 10.75 AVEr HOED Fm (1NCi- IHR) - .465 TG T AL AREA(ACRES) = 10.75 PEAK FLOW RATE(CFS) = , 59 END DF SUBAREA STREETFLUW HYDRAULICS: DEPTH (FEET) = 1.00 HALFSTREET FLOODWIDTH (FEET) LDW VELOCITY ( FEE T / SEC.) = 6.19 DEPTH*VELOCITY = FLOW PROCESS FROM NODE 409.14 TO NUDE 409.14 IS COLE - 1 ----------------------------------------------------------- --------------------r- > > > >) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE (< (< ( )>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<<<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM --E-ARE: TIME OF CONCENTrRATION(MIMUTES) = 17.61 RAINFALL. INTENSITY (INCH./HOUR) = 3.07 EFFECTIVE STREAM AREA(ACRES) = 10.75 TOTAL STREAM AREA(ACRES) = 10.75 PEAK FLOW RATE (CFS) AT CONFLUENCE - 24.99 CONFLUENCE INFORMATION: S T REA,� PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE (CFS) (hilt'.;.) (INCH/HOUR) (IN/HR) AREA(ACRES) wr-- l l e.. 60 i s. 68 3.289 .49 39.50 2 24.99 17. S1 3.066 .49 10. 75 RAINFALL .INTENSITY AND TIME OF CONCENTRATION RATIN. CONFLUENCE FORMULA USED FOR L STREAMS. SUMMARY RESULTS: STREAM REQ M CON LUENCE EFFECTIVE ------------0(CFS)------AREA(ACRES)------------- --------------------------------------------- 1134.76 134. !6 49. 07 2 126.66 50.25 COMPUTED CONFLUENCE. ESTIMATES ARE AS FOLLOWS PEAK FLO, RATE (CFS) = 134.76 TIME (MINUTES) = Q.676 EFFECTIVE AREA(ACRES) = 49.07 I TOTAL AREA(ACRES) = 53.51 14 dF-ii• �• �t •le •1i• •k• •ii• x' •!• 3i• •t: �r yE•itir •ie •k• •3i• iE •ic •iF •)f• •Yc•k• k• •ii• 9F •k iE�•De• •1F• •if• •Jc � •ft •3i••Jc•�F• iF•k •k •kit• iE• •3f•ir •k• ie•3F 9i• •lr�i• •iE•�e•9r •ff••iE• yi• 3i• •si••iE •if• •'sr •Yi• •ii• •1f••fi• �.• � •iE #•iryE• 'r' 'DW r'R1.JL„=SS rKLM NODE 40i. a4 TO NODE 409.!4 1S CODE - _____._ - i i) > i DESNA E INDEPENDENT S i•REAM FOR CONF LUENCE t (< < < )))) } i ND COMPUTE :"E VARIOUS Ci: N LUENCED STREAm VALUiS < ((i < t.;ify,- LCJG' CE VALUES USED FOR INDEPENDENT S ;REAM I ARE: 71mE O1;., CONCENTRATION(MINUTES) = 15.68 irr-i i i'aFA ..L• INTENSITY (yit CH./HOUR) - 3.29 EFFECTIVE STREAM AREA (ACRES) = 43.07 ^ r TOTAL i FiL 5 i RCf-11{I 1-�P[CI-i (1=�i.rf��..��•iJ =• ti:J�• J1 PEAK F=LOW RA ; E (i ES) AT CONFLUENCE = 114.76 1 F.::t:.lNr•LUENCE INFORMATION: S T R;,i-lm PEAK FLOW TIME INTENSITY FM EFFECTIVE numBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA (ACRES) ---------------___------_--______------------------------------.• i 134.76 15.68 3.289 .43 4S.0 i RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO L. DNFLUENCE F ORmUl. A USED FOR 1 STREAMS. SUMMARY RESULTS: S 'a T READ CONFLUENCE EFFECTIVE NbMBE.R QQ S) AREA(ACRES) --------------------------------------------- i 134.76 4`x.07 Cup=PU T ED LONFnUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CPS) = 134.76 TIME(MINUTES) = 15.676 EFFE071VE AREA(ACRES) - 49.07 TOTAL AREA(ACRES) — 53.51 END 6F STUDY SUMMARi' TOTAL AREA ( ACRES) - 53.51 EFFECTIVE IVE AREA (ACRES) - 43.07 r'`AK FLOW RATE (CFS) = 134.76 END ,::;r- RATIONAL METHOD Ai`iAL1''S1'S 15 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON SAN BERNARDINO COUNTY (SBC) 1983 HYDROLOGY MANUAL (C) Copyright 1982 Advanced Engineering Software 1AES7 Especially prepared for: HALL & FOREMAN, INC. ##########DESCRIPTION OF RESULTS############################################ # LINE D WITH E.VILLAGE HYDROLOGY REVISED # # 0 100 YR # # VENK I . N, DISK 1#1-31, FILE ' C' , JN 3810-020 # --------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION, USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .960 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA; STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE _ .6000 SEDC HYDROLOGY MANUAL "C" -VALUES USED Advanced Engineering Software CAES) SERIAL No. A0580A 7 REV. 3.1 RELEASE DATE: 5/01 /85 <((<<(C<(<(<C<<C((<<<<<<(<(<<<<<(<(C<(C>>>)>)>>>))>>>>>>>>>>>)>>>)>>>)>>))>)> E.y/LL-AGE- P-Y-040LOG)' IS BASEj) ON 1786 I+ype.Li cy MAgUAL, LCSrOF TRE N`fDtet-osy l..0 BAm.D Owl /9 62 S9CPCP'S mA+Jur.-t_ ############################################################################ FLOW PROCESS FROM NODE 409.14 TO NODE 4019.14 IS CODE = 7 ---------------------------------------------------------------------------- )>>))USER SPECIFIED HYDROLOGY INFORMATION AT NODE(<<(< ------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWSz F TC(MIN) = 15.68 RAIN INTENSITY(INCH/HOUR) = 3.29 TOTAL AREA (ACRES) = 53.51 TOTAL RUNOFF (CFS) = 134. 76 ,L(NE I'fY'04LoG FSR Y/LLA66 FLOW PROCESS FROM NODE 420.00 TO NODE 419.30 IS CODE = 3 OF ���►� =��_-----��-------- ---------------------------------- ---------------- )>>))COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<( >>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<<<(( DEPTH OF FLOW IN 33.0 INCH PIPE I S 23.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 29.7 1 IGQTf7CpM__ n1nT.)9:' c1 r7k)OT T nil - } 1rj :.=1 --.. _ .. :'1..Y'v 'f 7i"irv' wL.iv'•�L.[�Yri--i"Y urs' - :.-. .: ....,.. ... ..� ._.......a "'-•, ..,. ,. .. ._ .. .. ... .. _. ... .L .._..... ... .,.':. ).. �.. _... . .. >.. a cv�: vv DOWNSTREAM NODE ELEVATION = 1225.50 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 134.76 TRAVEL TIME (MIN. ) = .04 TC (MIN. ) = 15.72 FLOW PROCESS FROM NODE 419.30 TO NODE 415.30 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<((<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.72 RAINFALL INTENSITY (INCH./HOUR) = 3.28 TOTAL STREAM AREA (ACRES) = 53.51 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 134.76 FLOW PROCESS FROM NODE 419.10 TO NODE 419.10 IS CODE = 2 ---------------------------------------------------------------------------- >>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS((((( ASSUMED INITIAL INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*E(LENGTH#*3)/(ELEVATION CHANGE)]##.2 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1258.00 DOWNSTREAM ELEVATION = 1229.10 ELEVATION DIFFERENCE = 28.90 TC = .393*[( 1000. 00##3) / ( 28. 90) 1 #•u•. 2 = 12.641 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.742 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7660 SUBAREA RUNOFF(CFS) = 15.77 TOTAL AREA(ACRES) = 5.50 TOTAL RUNOFF(CFS) = 15.77 FLOW PROCESS FROM NODE 419.10 TO NODE 419.20 IS CODE = 3 >>)>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<((<< >>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<(<(< DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.8 UPSTREAM NODE ELEVATION = 1229.10 DOWNSTREAM NODE ELEVATION = 1227.50 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = i PIPEFLOW THRU SUBAREA(CFS) = 15.77 TRAVEL TIME(MIN. ) = .95 TC(MIN. ) = 13.59 FLOW PROCESS FROM NODE 417.10 TO NODE 419.20 IS CODE = 8 ---------------------------------------------------------------------------- ))>>>ADDITION OF SUBAREA TO MAINLINE PEAT{ FLOW<(<(( 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.583 SOIL CLASSIFICATION IS "A" 3+A CONDOMINIUM DEVELOPMENT R F COEFFICIENT = .7886 SUBAREA AREA(ACRES) = 8 SUBAREA RUNOFF(CFS) = 24.30 TOTAL AREA(ACRES) = 14.10 TOTAL RUNOFF(CFS) = 40.07 Tr(MiN) 1.�_ cq L FLOW PROCESS FROM NODE 419.20 TO NODE 419,30 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<(<( >>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<(<<< ------------------------------ DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.9 UPSTREAM NODE ELEVATION = 1227.50 DOWNSTREAM NODE ELEVATION = 1225.50 FLOWLENGTH(FEET) = 50100 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 40.07 TRAVEL TIME(MIN. ) _ .05 TC(MIN. ) = 13.64 FLOW PROCESS FROM NODE 419.30 TO NODE 419.30 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<((( )>>>)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<(<( -------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.64 RAINFALL INTENSITY (INCH./HOUR) = 3.58 TOTAL STREAM AREA (ACRES) = 14.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 40.07 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER -------------------------------------------------------------------------- (CFS) (MIN.) (INCH/HOUR) 1 134.76 15.72 3.284 2 40.07 13.64 3.575 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 171.57 157.04 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 171.57 TIME(MINUTES) = 15.715 TOTAL AREA(ACRES) = 67.61 FLOW PROCESS FROM NODE 415,30 TO NODE 430.00 IS CODE = 3 )>)>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<( >>)))USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)(<<(( DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.9 UPSTREAM NODE ELEVATION = 1225.50 DOWNSTREAM NODE ELEVATION = 1218.00 FLOWLENGTH(FEET) = 850.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 171.57 TRAVEL TIME (MIN. ) = 1.10 TC (MIN. ) = 16.81 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE = i ---------------------------------------------------------------------------- 11 I N TICCTMMOTP TMnPMChlnVMT CTOCM CnD •Y'i ! ♦"i+�a.i �vlv� � ai�l.rLr �,.vuiiw'i ... wi l-l�Li"11i 'l"{JN'`I.iV1�1 L.. i.)LL1�1rC \.��_:`..'�_l.:-. ,.._.... .. .. .., ... _._ s,. _._ .. .,. ,..._ ., ... ,.... CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.61 RAINFALL INTENSITY (INCH./HOUR) = 3.15 TOTAL STREAM AREA (ACRES) = 67.61 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 171.57 FLOW PROCESS FROM NODE 428.00 TO NODE 428.10 IS CODE = 2 ---------------------------------------------------------------------------- >>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS<(<<( -------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: CONDOMINIUM TC = K*C(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENCTt+H 800.00 UPSTREAM ELEVATION = 1,235. 5 - 50 Z 33 DOWNSTREAM ELEVATION = 1220.40 ELEVATION DIFFERENCE = 15.10 TC = .359*[( 800. 00**3) / ( 15.10) ] **. 2 = 11.518 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.957 SOIL CLASSIFICATION IS "A" CONDOMINIUM DEVELOPMENT RUNOFF COEFFICIENT = .7944 SUBAREA RUNOFF(CFS) = 13 83 TOTAL AREA(ACRES) _ ri�-_, TOTAL RUNOFF(CFS) = 13.83 FLOW PROCESS FROM NODE 428.10 TO NODE 430.00 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<(<( >>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE F'LOW)<(<(< - ------------------------ DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.4 UPSTREAM NODE ELEVATION = 1220.40 DOWNSTREAM NODE ELEVATION = 1218.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 13.83 TRAVEL TIME (MIN. ) = .06 TC (MIN. ) = 11.58 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE = 1 ---------------------------------------------------------------------------- >>)>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((((( --------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.58 RAINFALL INTENSITY (INCH./HOUR) = 3.94 TOTAL STREAM AREA (ACRES) = 4.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.83 FLOW PROCESS FROM NODE 429.00 TO NODE 429.10 IS CODE = 2 ( ---------------------------------------------------------------------------- >>>>)RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<( - ------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS: SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW -LENGTH = 150.00 _ .. lDgTRF'AM FI Pk;aTTnKi 1 pl-.Z;. 0,71 .:.)r �V'r ......• r11 L`... V'r 1'I r i�./l\'_ .. l a..V�.Y VV ... ....rte .,. .. ... - i. t. • .. ... .....,t......r • ... ,,. ... ... _. ..r .. DOWNSTREAM ELEVATION = 1218.60 ELEVATION DIFFERENCE = 13.40 TC = . 393# C ( 1 J0. 00##3) / ( 13.40) 7 ##. 2 = 4.723 COMPUTED TIME OF CONCENTRATION INCREASED TO 5 MIN. 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.529 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8018 SUBAREA RUNOFF(CFS) = 13.61 TOTAL AREA(ACRES) = 2.60 TOTAL RUNOFF(CFS) = 13.61 FLOW PROCESS FROM NODE 429.10 TO NODE 430.00 IS CODE = 3 ---------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA((((( )>>>)USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)(<((< - - DEPTH OF OF FLOW IN 27.0 INCH PIPE IS 18.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.6 UPSTREAM NODE ELEVATION = 1218.60 DOWNSTREAM NODE ELEVATION = 1218.00 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 13.61 TRAVEL TIME(MIN. ) _ .72 TC(MIN. ) = 5.72 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE = e ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<.<(( 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.024 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8396 SUBAREA AREA(ACRES) _ .40 SUBAREA RUNOFF(CFS) = 2.02 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOFF(CFS) = 15.63 TC (MIN) = 5.72 FLOW PROCESS FROM NODE 430.00 TO NODE 430.00 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<(<( >>)>>AND COMPUTE VARIOUS CONFL:UENCED STREAM VALUES(<<<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 5.75 RAINFALL INTENSITY (INCH./HOUR) = 6.02 TOTAL STREAM AREA (ACRES) = 3.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.63 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) -------------------------------------------------------------------- 1 171.57 16.81 3.154 2 13.83 i l . 56 3.944 3 15.63 5.72 6.024 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 190.61 142.23 80.80 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Pi iNjnpC, (rAC ) = 1 9(h A t T T MC f M T hit iTCCZ 1 - i s A l rar'Yvr -! ar•iu �Yiarw r Lf -i ...::•.; i'.. '•rto :"v��-t TOTAL AREA (ACRES) = 75. 01 FLOW PROCESS FROM NODE 430.00 TO NODE 397.00 IS CODE = 3 >>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(<((( >>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)<<<(( DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.0 INCHES -- - PIPEFLOW VELOCITY(FEET/SEC.) = 12.7 UPSTREAM NODE ELEVATION = 1218.00 DOWNSTREAM NODE ELEVATION = 1216.00 FLOWLENGTH(FEET) = 2500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 150.81 TRAVEL TIME (MIN. ) _ .33 TC (MIN. ) = 17.14 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<((<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: --- TIME OF CONCENTRATION(MINUTES) = 17.14 RAINFALL INTENSITY (INCH./HOUR) = 3.12 TOTAL STREAM AREA (ACRES) = 75.01 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 190.81 FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 7 ---------------------------------------------------------------------------- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NOD£((<(< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC (MIN) = 12.32 RAIN INTENSITY (INCH/HOUR) = 3.80 11 Ci TOTAL AREA(ACRES) = 28.87 TOTAL RUNOFF(CFS) = 71.22 #�'•�##�••�-�••�t-��'�•x•�••�•��••��•�•�••��#�•��•#��•���•###�#�#u'�•#�•##�#�#•�•��•####�•���'�###•�•�•#-�•�#�'-�•-gat-# FLOW PROCESS FROM NODE 397.00 TO NODE 397.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE((<(< >>)>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES(<((< - CONFLUENCE VALUES VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.32 RAINFALL INTENSITY (INCH./HOUR) = 3.80 TOTAL STREAM AREA (ACRES) = 28.87 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 71.22 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 190.81 17.14 3.117 2 71.22 12.32 3.601 601 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 249.22 208.32 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Ri 1NnPF (CFS) D4q_ TTMF [MTM! ITFRI = . 17 1 4. .._.._. `.. ._. ._�.._.... "t r•r��•r.V/1v f'Z.v'J.na .._ 1�/.'J�y'�r?..��. �. .:. ... .__.•,. ... ......__.c .. ... .. .-. -_. TOTAL AREA(ACRES) = 103.88 FLOW PROCESS FROM NODE 357.00 TO NODE 604.50 IS CODE = 3 ?>>>)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA(((<( >>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW)(<((( ------------------ DEPTH OF FLOW IN 63.0 INCH PIPE IS 47.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.3 UPSTREAM NODE ELEVATION = 1216.00 DOWNSTREAM NODE ELEVATION = 1209.00 FLOWLENGTH(FEET) = 780.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 249.22 TRAVEL TIME(MIN. ) = .91 TC(MIN. ) = 18.05 FLOW PROCESS FROM NODE 605.00 TO NODE 604.00 IS CODE = 8 ---------------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<(((( 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.022 SOIL CLASSIFICATION IS "A" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7459 SUBAREA AREA(ACRES) = 14.60 SUBAREA RUNOFF(CFS) = 32.92 TOTAL AREA(ACRES) = 118.48 TOTAL RUNOFF(CFS) = 282.13 TC(MIN) = 18.05 FLOW PROCESS FROM NODE 604.50 TO NODE 604.50 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE(<((( )>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<(((( - ----------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM i ARE: TIME OF CONCENTRATION(MINUTES) = 18.05 RAINFALL INTENSITY (INCH./HOUR) = 3.02 TOTAL STREAM AREA (ACRES) = 118.46 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 282.13 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 282.13 18.05 3.022 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(SBC) USED FOR 1 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 282.13 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 282.13 TIME(MINUTES) = 18.049 TOTAL AREA(ACRES) = 116.46 END OF RATIONAL METHOD ANALYSIS 4) LATERAL 'HI HYDROLOGY a) 25 -YR. FREQUENCY *************************************************************************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************** EAST VILLAGE HYDROLOGY, LATTERAL H Q= 25 YR * * V.N., P.M.L., J.N.3810-020 ************************************************************************** FILE NAME: A:EVLATH.DAT TIME/DATE OF STUDY: 10:24 2/ 1/1988 ----------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --------------------------- --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 FLOW PROCESS FROM NODE 385.00 TO NODE 385.10 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< -------------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 420.00 `UPSTREAM ELEVATION = 1232.60 DOWNSTREAM ELEVATION = 1224.50 ELEVATION DIFFERENCE = 8.10 TC = .389*[( 420.00** 3.00)/( 8.10)]** .20 = 9.598 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.460 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 12.69 SUBAREA AREA(ACRES) = 4.74 PEAK FLOW RATE(CFS) = 12.69 CE # H Zoo k�k�kststststicstst�Fst*****ic*stir*stst*stir**�lrikicic�F4ciFlkiFdc**ilF4c�F'r**is�F*k*�IF3c*�IFirk�Ysir4r�Et�Arst*iF*�t**ir7rst* FLOW PROCESS FROM NODE 385.10 TO NODE 385.20 IS CODE = 3 ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««<' »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------------------------- DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1224.50 DOWNSTREAM NODE ELEVATION = 1223.90 FLOWLENGTH(FEET) = 65.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 21.00 PIPEFLOW THRU SUBAREA(CFS) = 12.69 TRAVEL TIME(MIN.) =/ .16 TC(MIN.) N = .013 NUMBER OF PIPES = 9.75 1 FLOW PROCESS FROM NODE 385.20 TO NODE 385.20 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 9.75 RAINFALL INTENSITY (INCH./HOUR) = 3.43 EFFECTIVE STREAM AREA(ACRES) = 4.74 TOTAL STREAM AREA(ACRES) = 4.74 PEAK FLOW RATE(CFS) AT CONFLUENCE = 12.69 FLOW PROCESS FROM NODE 385.01 TO NODE 385.20 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< ----------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** INITIAL SUBAREA FLOW -LENGTH = 670.00 UPSTREAM ELEVATION = 1234.10 DOWNSTREAM ELEVATION = 1223.90 ELEVATION DIFFERENCE = 10.20 TC = .389*[( 670'** 3.00)/( 10.20)]** .20 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3. SOIL CLASSIFICATION IS "A" RESIDENTIAL -44444> 5-7 DWELLINGS/ACRE SUBAREA SUBAREA RUNOFF(CFS) = 8.80 .20 = 12.130 LOSS RATE, Fm(INCH/HR) = .4850 TOTAL AREA(ACRE5) = 3.88 PEAK FLOW RATE(CFS) = 8.80 C6, 14 Zo1 FLOW PROCESS FROM NODE 385.20 TO NODE 385.20 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ----------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.13 RAINFALL INTENSITY (INCH./HOUR) = 3.01 EFFECTIVE STREAM AREA(ACRES) = 3.88 TOTAL STREAM AREA(ACRES) = 3.88 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.80 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 12.69 9.75 3.426 .49 4.74 2 8.80 12.13 3.006 .49 3.88 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 20.95 7.86 2 19.68 8.62 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 20.95 TIME(MINUTES) = 9.755 EFFECTIVE AREA(ACRES) = 7.86 TOTAL AREA(ACRES) = 8.62 FLOW PROCESS FROM NODE 385.20 TO NODE 385.30 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.7 UPSTREAM NODE ELEVATION = 1223.90 DOWNSTREAM NODE ELEVATION = 1222.50 FLOWLENGTH(FEET) = 165.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.95 TRAVEL TIME(MIN.) = .36 TC(MIN.) = 10.11 FLOW PROCESS FROM NODE 385.30 TO NODE 385.40 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.8 UPSTREAM NODE ELEVATION = 1222.50 JDOWNSTREAM NODE ELEVATION = 1221.50 FLOWLENGTH(FEET) = 160.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.95 TRAVEL TIME(MIN.) = .39 TC(MIN.) = 10.51 FLOW PROCESS FROM NODE 385.40 TO NODE 385.40 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: rTIME OF CONCENTRATION(MINUTES) = 10.51 RAINFALL INTENSITY (INCH./HOUR) = 3.28 EFFECTIVE STREAM AREA(ACRES) = 7.86 TOTAL STREAM AREA(ACRES) = 8.62 PEAK FLOW RATE(CFS) AT CONFLUENCE = 20.95 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 20.95 10.51 3.277 .48 7.86 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ------------------------------------------- 1 20.95 7.86 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 20.95 TIME(MINUTES) = 10.507 EFFECTIVE AREA(ACRES) = 7.86 TOTAL AREA(ACRES) = 8.62 **************************************************************************** FLOW PROCESS FROM NODE 390.21 TO NODE 385.40 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< -------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 730.00 UPSTREAM ELEVATION = 1227.40 DOWNSTREAM ELEVATION = 1224.00 ELEVATION DIFFERENCE = 3.40 TC = .389*[( 730.00** 3.00)/( 3.40)]** .20 = 15.909 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.555 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 5.09 TOTAL AREA(ACRES) = 2.73 PEAK FLOW RATE(CFS) = 5.09 k*�t4itirsts4'cst*ir*st�r}s4*'tsYsYskirir�c**sbsksY�IFsksk�r*�cir**st4YYs4�F�F�IF�rt**tr�k�lcit**�k�citslF*�F*ic�1r�F*it�'rir�tsY�ctr�r FLOW PROCESS FROM NODE 385.40 TO NODE 385.40 IS CODE = 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ----------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.91 RAINFALL INTENSITY (INCH./HOUR) = 2.55 EFFECTIVE STREAM AREA(ACRES) = 2.73 TOTAL STREAM AREA(ACRES) = 2.73 'PEAK FLOW RATE(CFS) AT CONFLUENCE = 5.09 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 20.95 10.51 3.277 .48 7.86 2 5.09 15.91 2.555 .49 2.73 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 25.48 9.66 2 20.62 10.59 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 25.48 TIME(MINUTES) = 10.507 EFFECTIVE AREA(ACRES) = 9.66 TOTAL AREA(ACRES) = 10.59 FLOW PROCESS FROM NODE 385.40 TO NODE 390.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 1221.50 DOWNSTREAM NODE ELEVATION = 1220.50 FLOWLENGTH(FEET) = 130.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.48 TRAVEL TIME(MIN.) _ .29 TC(MIN.) = 10.79 k�F�F�k��c�ieYk3F�F��IF�ic�t�lF�F�F�Ficst�t*�lFitie���F�e�kis�kslF�k�k'k�Ficdk4F�kiF�k�hs't4ticsf�tiF�{F�F�i3F��F�1tY4�lCit�'k3F�kik��icYcyks4sY�tiz3t FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.79 RAINFALL INTENSITY (INCH./HOUR) = 3.22 EFFECTIVE STREAM AREA(ACRES) = 9.66 TOTAL STREAM AREA(ACRES) = 10.59 PEAK FLOW RATE(CFS) AT CONFLUENCE = 25.48 kitrarir�rsY�r�rtr�icic�14Y4�kh4F*k*iFicaFs4�rsFsfirir�rSrir��r3ks�Y�csrictr�c�r*iric�k�rsY�trsrs'r�'t��rlF'r���r�'ciY�sic�c9k�t��IFsti FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE = 7 ---------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ----------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.38 RAIN INTENSITY(INCH/HOUR) = 2.61 EFFECTIVE AREA(ACRES) = 9.66 TOTAL AREA(ACRES) = 10.19 PEAK FLOW RATE(CFS) = 18.96 AVERAGED LOSS RATE, Fm(IN/HR) _ .480 SN�F-0 -pe0+'I FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE = 1 ( »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 1 »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< --------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.38 RAINFALL INTENSITY (INCH./HOUR) = 2.61 EFFECTIVE STREAM AREA(ACRES) = 9.66 TOTAL STREAM AREA(ACRES) = 10.19 PEAK FLOW RATE(CFS) AT CONFLUENCE = 18.96 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------- 1 25.48 10.79 3.225 .48 9.66 2 18.96 15.38 2.607 .48 9.66 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 42.65 16.44 2 38.70 19.32 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 42.65 TIME(MINUTES) = 10.792 EFFECTIVE AREA(ACRES) = 16.44 TOTAL AREA(ACRES) = 20.78 *************************************************************************** FLOW PROCESS FROM NODE 390.00 TO NODE 396.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------------------- DEPTH OF FLOW IN 42.0 INCH PIPE IS 34.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.1 UPSTREAM NODE ELEVATION = 1225.00 DOWNSTREAM NODE ELEVATION = 1224.00 FLOWLENGTH(FEET) = 520.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 42.65 TRAVEL TIME(MIN.) = 1.70 TC(MIN.) = 12.49 **************************************************************************** FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.49 RAINFALL INTENSITY (INCH./HOUR) = 2.95 EFFECTIVE STREAM AREA(ACRES) = 16.44 TOTAL STREAM AREA(ACRES) = 20.78 PEAK FLOW RATE(CFS) AT CONFLUENCE = 42.65 k****IFsF�k�k*�kicicic�lr�t*iric�Ac�F�tic�IFic�fr*ic�c�i�Fir�t*st�rstst�rsYirirst�c3t�t�F�F�r�IF�e4FsYfrtcir3F*�Y�k�k�k1F�'titdF�F�Fstst�lrfe�itsk FLOW PROCESS FROM NODE 395.01 TO NODE 395.03 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< --------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1237.40 DOWNSTREAM ELEVATION = 1229.40 tELEVATION DIFFERENCE = 8.00 TC = .389*[( 1000.00** 3.00)/( 8.00)]** .20 = 16.193 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.528 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 6.31 TOTAL AREA(ACRES) = 3.43 PEAK FLOW RATE(CFS) = 6.31 FLOW PROCESS FROM NODE 395.03 TO NODE 396.00 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ------------------------------------------------ UPSTREAM ELEVATION = 1229.40 DOWNSTREAM ELEVATION = 1224.00 STREET LENGTH(FEET) = 460.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .480 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 8.73 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .68 HALFSTREET FLOODWIDTH(FEET) = 3.85 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.33 PRODUCT OF DEPTH&VELOCITY = 3.62 STREETFLOW TRAVELTIME(MIN) = 1.44 TC(MIN) = 17.63 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.402 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 2.81 SUBAREA RUNOFF(CFS) = 4.85 EFFECTIVE AREA(ACRES) = 6.24 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 6.24 PEAK FLOW RATE(CFS) = 10.77 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .74 HALFSTREET FLOODWIDTH(FEET) = 4.09 FLOW VELOCITY(FEET/SEC.) = 5.73 DEPTH*VELOCITY = 4.24 FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« <<< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ------------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.63 RAINFALL INTENSITY (INCH./HOUR) = 2.40 EFFECTIVE STREAM AREA(ACRES) = 6.24 TOTAL STREAM AREA(ACRES) = 6.24 PEAK FLOW RATE(CFS) AT CONFLUENCE = 10.77 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 42.65 12.49 2.954 .48 16.44 2 10.77 17.63 2.402 .49 6.24 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 52.47 20.86 2 43.89 22.68 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 52.47 TIME(MINUTES) = 12.493 EFFECTIVE AREA(ACRES) = 20.86 TOTAL AREA(ACRES) = 27.02 FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ---------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.49 RAINFALL INTENSITY (INCH./HOUR) = 2.95 EFFECTIVE STREAM AREA(ACRES) = 20.86 TOTAL STREAM AREA(ACRES) = 27.02 PEAK FLOW RATE(CFS) AT CONFLUENCE = 52.47 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 52.47 12.49 2.954 .48 20.86 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. (SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 52.47 20.86 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 52.47 TIME(MINUTES) = 12.493 EFFECTIVE AREA(ACRES) = 20.86 TOTAL AREA(ACRES) = 27.02 -------------------------------- END OF STUDY SUMMARY: (TOTAL AREA(ACRES) = 27.02 (EFFECTIVE AREA(ACRES) = 20.86 PEAK FLOW RATE(CFS) = 52.47 END OF RATIONAL METHOD ANALYSIS *************************************************************************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************ EAST VILLAGE HYDROLOGY, LATTERAL H, CATCH BASINS H302&H303 Q=25 YR * V.N.,P.M.L., J.N. 3810-020 ************************************************************************** FILE NAME: A:LATH3.DAT TIME/DATE OF STUDY: 10:33 2/ 1/1988 ---------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ------------------ --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************************************************** FLOW PROCESS FROM NODE 390.10 TO NODE 390.01 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< --------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1020.00 UPSTREAM ELEVATION = 1237.40 DOWNSTREAM ELEVATION = 1228.20 ELEVATION DIFFERENCE = 9.20 TC = .389*[( 1020.00** 3.00)/( 9.20)]** .20 = 15.935 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.552 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 11.98 TOTAL AREA(ACRES) = 6.44 PEAK FLOW RATE(CFS) = 11.98 C.. 4-\ FLOW PROCESS FROM NODE 309.01 TO NODE 395.00 IS CODE = 3 --------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ---------------------- DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.8 UPSTREAM NODE ELEVATION = 1228.20 DOWNSTREAM NODE ELEVATION = 1226.96 FLOWLENGTH(FEET) = 200.00 MANNINGS ESTIMATED PIPE DIAMETER(INCH) = 21.00 PIPEFLOW THRU SUBAREA(CFS) = 11.98 TRAVEL TIME(MIN.) = .58 TC(MIN.) N = .013 NUMBER OF PIPES = = 16.51 1 FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.51 RAINFALL INTENSITY (INCH./HOUR) = 2.50 EFFECTIVE STREAM AREA(ACRES) = 6.44 TOTAL STREAM AREA(ACRES) = 6.44 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.98 FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ----------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 900.00 UPSTREAM ELEVATION = 1235.10 DOWNSTREAM ELEVATION = 1226.97 ELEVATION DIFFERENCE = 8.13 TC = .389*[( 900.00** 3.00)/( 8.13)]** .20 = 15.152 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.631 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, FM(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 7.24 TOTAL AREA(ACRES) = 3.75 PEAK FLOW RATE(CFS) = 7.24 #! 303 r�F�hSt�C�IitIFit7Y�t)CSi9t�CslL'iC�IFiFlti�it*3C�t�C�hah4C/Fit1YlC�t:i�FiclFiFSEitIF�F�F3EltlFi[/F�i�kyF�tit'!!Ir*lC:�'1Flf�F*Jti�i'iF/F1C*�titlF:t4C�l' FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE = 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ----------------------------- .CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.15 RAINFALL INTENSITY (INCH./ -HOUR) = 2.63 EFFECTIVE STREAM AREA(ACRES) = 3.75 'TOTAL STREAM AREA(ACRES) = 3.75 PEAK FLOW RATE(CFS) AT CONFLUENCE = 7.24 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 11.98 16.51 2.498 .49 6.44 2 7.24 15.15 2.631 .49 3.75 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 18.78 10.19 2 18.96 9.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 18.96 TIME(MINUTES) = 15.152 EFFECTIVE AREA(ACRES) = 9.66 TOTAL AREA(ACRES) - 10.19 r************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FLOW PROCESS FROM NODE 395.00 TO NODE 390.30 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >>>>>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.6 UPSTREAM NODE ELEVATION = 1226.97 DOWNSTREAM NODE ELEVATION = 1226.60 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.96 TRAVEL TIME(MIN.) = .15 TC(MIN.) = 15.30 FLOW PROCESS FROM NODE 390.30 TO NODE 390.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< --------------------- DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.9 UPSTREAM NODE ELEVATION = 1226.60 DOWNSTREAM NODE ELEVATION = 1225.00 FLOWLENGTH(FEET) = 55.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 iPIPEFLOW THRU SUBAREA(CFS) = 18.96 TRAVEL TIME(MIN.) = .08 TC(MIN.) = 15.38 FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< i»»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: (TIME OF CONCENTRATION(MINUTES) = 15.38 RAINFALL INTENSITY (INCH./HOUR) = 2.61 EFFECTIVE STREAM AREA(ACRES) = 9.66 TOTAL STREAM AREA(ACRES) = 10.19 PEAK FLOW RATE(CFS) AT CONFLUENCE = 18.96 CONFLUENCE INFORMATION: (STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ,NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 18.96 15.38 2.607 .48 9.66 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 18.96 9.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 18.96 TIME(MINUTES) = 15.380 EFFECTIVE AREA(ACRES) = 9.66 TOTAL AREA(ACRES) = 10.19 ----------------------------------- END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 10.19 EFFECTIVE AREA(ACRES) = 9.66 PEAK FLOW RATE(CFS) = 18.96 END OF RATIONAL METHOD ANALYSIS 4) LATERAL IHI HYDROLOGY b) 100 -YR. FREQUENCY RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) UP -r_ A_10 P /9 1 /O -I o..�..d ..1 Z Especially prepared for: HALL & FOREMAN ************ DESCRIPTION OF STUDY ***** EAST VILLAGE HYDROLOGY, LATTERAL H Q=100 * V.N., P.M.L., J.N. 3810-020 FILE NAME: A:EVLATH.DAT TIME/DATE OF STUDY: 10:44 2/ 1/1988 ------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------- --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 FLOW PROCESS FROM NODE 385.00 TO NODE 385.10 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ----------------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 420.00 UPSTREAM ELEVATION = 1232.60 DOWNSTREAM ELEVATION = 1224.50 ELEVATION DIFFERENCE = 8.10 TC = .389*[( 420.00** 3.00)/( 8.10)]** .20 = 9.598 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.415 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, FM(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 16.76 OTAL AREA(ACRES) = 4.74 PEAK FLOW RATE(CFS) = 16.76 k'ric*ster**�'tars'cits4sYsSrsrstiiss'rk�rlrst�Fs'rs'rdrsiat4r�r*s'r**ic**43k14ksks4It�r�F�rfkdFit*3k s4stiiiFk*'s�lr**sF�k�r3rsY*srs'rsY*s'c'rs'r FLOW PROCESS FROM NODE 385.10 TO NODE 385.20 IS CODE = 3 --------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.5 UPSTREAM NODE ELEVATION = 1224.50 DOWNSTREAM NODE ELEVATION = 1223.90 FLOWLENGTH(FEET) = 65.00 MANNINGS N = .013 'SSTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 16.76 TRAVEL TIME(MIN.) = .14 TC(MIN.) = 9.74 *************************************************************************** FLOW PROCESS FROM NODE 385.20 TO NODE 385.20 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 9.74 RAINFALL INTENSITY (INCH./HOUR) = 4.38 EFFECTIVE STREAM AREA(ACRES) = 4.74 TOTAL STREAM AREA(ACRES) = 4.74 PEAK FLOW RATE(CFS) AT CONFLUENCE = 16.76 **************************************************************************** FLOW PROCESS FROM NODE 385.01 TO NODE 385.20 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ---------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 670.00 UPSTREAM ELEVATION = 1234.10 DOWNSTREAM ELEVATION = 1223.90 ELEVATION DIFFERENCE = 10.20 TC = .389*[( 670.00** 3.00)/( 10.20)]** .20 = 12.130 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.836 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 11.70 TOTAL AREA(ACRES) = 3.88 PEAK FLOW RATE(CFS) = 11.70 FLOW PROCESS FROM NODE 385.20 TO NODE 385.20 IS CODE = 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: (TIME OF CONCENTRATION(MINUTES) = 12.13 RAINFALL INTENSITY (INCH./HOUR) = 3.84 EFFECTIVE STREAM AREA(ACRES) = 3.88 TOTAL STREAM AREA(ACRES) = 3.88 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.70 CONFLUENCE INFORMATION: (STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 16.76 9.74 4.375 .49 4.74 2 11.70 12.13 3.836 .49 3.88 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER --------------------------------- Q(CFS) AREA(ACRES) 1 27.67 7.86 2 26.14 8.62 COMPUTED CONFLUENCE ESTIMATES ARE PEAK FLOW RATE(CFS) = 27.67 EFFECTIVE AREA(ACRES) = 7.86 TOTAL AREA(ACRES) = 8.62 AS FOLLOWS: TIME(MINUTES) = 9.743 FLOW PROCESS FROM NODE 385.20 TO NODE 385.30 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »» >USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLAW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 22.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 UPSTREAM NODE ELEVATION = 1223.90 DOWNSTREAM NODE ELEVATION = 1222.50 FLOWLENGTH(FEET) = 165.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 27.67 TRAVEL TIME(MIN.) = .34 TC(MIN.) = 10.09 FLOW PROCESS FROM NODE 385.30 TO NODE 385.40 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.3 UPSTREAM NODE ELEVATION = 1222.50 DOWNSTREAM NODE ELEVATION = 1221.50 FLOWLENGTH(FEET) = 160.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.67 TRAVEL TIME(MIN.) = .37 TC(MIN.) = 10.46 FLOW PROCESS FROM NODE 385.40 TO NODE 385.40 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 1 »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.46 RAINFALL INTENSITY (INCH./HOUR) = 4.19 EFFECTIVE STREAM AREA(ACRES) = 7.86 TOTAL STREAM AREA(ACRES) = 8.62 PEAK FLOW RATE(CFS) AT CONFLUENCE = 27.67 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 27.67 10.46 4.194 .49 7.86 ¢..:.tr....._.+........._a,._.,._..._..._._....,...»......._..t.a....w....w.�..._�.-....,...s.:-....._':.w.:..urct_....._.c.es...:.-�.:.w;e.�.....�?...c.....�...a.._,..�......�..,...._._.....�c.....�.._.... _....... �..... .,_..s ...�._.:-,�_..:...._. RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE HUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 27.67 7.86 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 27.67 TIME(MINUTES) = 10.456 EFFECTIVE AREA(ACRES).= 7.86 TOTAL AREA(ACRES) = 8.62 FLOW PROCESS FROM NODE 390.21 TO NODE 385.40 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 730.00 UPSTREAM ELEVATION = 1227.40 DOWNSTREAM ELEVATION = 1224.00 ELEVATION DIFFERENCE = 3.40 TC = .389*[( 730.00** 3.00)/( 3.40)]** .20 = 15.909 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.260 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 6.82 TOTAL AREA(ACRES) = 2.73 PEAK FLOW RATE(CFS) = 6.82 F*ikicir'k*icsY*iricsf*s'c�k�lt�lFslF�F�F�Ir43car*�rtcst***�Ficib*�Fir3Fic*ic�kic�F*ieiritic�r�csY�tir*'kicsfth3F�kiticsk�F*�est3F� 4r�r* FLOW PROCESS FROM NODE 385.40 TO NODE 385.40 IS CODE = 1 ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.91 RAINFALL INTENSITY (INCH./HOUR) = 3.26 EFFECTIVE STREAM AREA(ACRES) = 2.73 TOTAL STREAM AREA(ACRES) = 2.73 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.82 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER -------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 27.67 10.46 4.194 .49 7.86 2 6.82 15.91 3.260 .49 2.73 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 33.66 9.65 2 27.53 10.59 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 1 PEAK FLOW RATE(CFS) = 33.66 TIME(MINUTES) = 10.456 EFFECTIVE AREA(ACRES) = 9.65 TOTAL AREA(ACRES) = 10.59 FLOW PROCESS FROM NODE 385.40 TO NODE 390.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< --------------------------------- DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.1 UPSTREAM NODE ELEVATION = 1221.50 DOWNSTREAM NODE ELEVATION = 1220.50 FLOWLENGTH(FEET) = 130.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 33.66 TRAVEL TIME(MIN.) = .27 TC(MIN.) = 10.72 FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.72 RAINFALL INTENSITY (INCH./HOUR) = 4.13 EFFECTIVE STREAM AREA(ACRES) = 9.65 TOTAL STREAM AREA(ACRES) = 10.59 PEAK FLOW RATE(CFS) AT CONFLUENCE = 33.66 !FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE = 7 ---------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< -------------------------------- 'USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 15.36 RAIN INTENSITY(INCH/HOUR) = 3.33 EFFECTIVE AREA(ACRES) = 9.68 TOTAL AREA(ACRES) = 10.19 PEAK FLOW RATE(CFS) = 25.37 AVERAGED LOSS RATE, Fm(IN/HR) _ .480� ^}}3 I FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 -IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.36 RAINFALL INTENSITY (INCH./HOUR) = 3.33 ,EFFECTIVE STREAM AREA(ACRES) = 9.68 ITOTAL STREAM AREA(ACRES) = 10.19 (PEAK FLOW RATE(CFS) AT CONFLUENCE = 25.37 CONFLUENCE INFORMATION: jSTREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- _ _... «_�. -�-��� n...�_.�-✓5:.�--..a,......,,v;r...�...........ass..._.....�...dTx....w......s..�....u.nw...........c.ova.�....�r.....s..............�t.....�l-wS-.a..'.�_��.. ��.�..ti.. r._.�...�...�... 1 33.66 10.72 4.131 .49 9.65 2 25.37 15.36 3.329 .48 9.68 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 56.35 16.41 2 51.63 19.33 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 56.35 TIME(MINUTES) = 10.722 EFFECTIVE AREA(ACRES) = 16.41 TOTAL AREA(ACRES) = 20.78 FLOW PROCESS FROM NODE 390.00 TO NODE 396.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------------- DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.5 UPSTREAM NODE ELEVATION = 1225.00 DOWNSTREAM NODE ELEVATION = 1224.00 FLOWLENGTH(FEET) = 520.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 56.35 TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 12.29 FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.29 RAINFALL INTENSITY (INCH./HOUR) = 3.81 EFFECTIVE STREAM AREA(ACRES) = 16.41 TOTAL STREAM AREA(ACRES) = 20.78 PEAK FLOW RATE(CFS) AT CONFLUENCE = 56.35 FLOW PROCESS FROM NODE 395.01 TO NODE 395.03 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< --------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1000.00 UPSTREAM ELEVATION = 1237.40 DOWNSTREAM ELEVATION = 1229.40 ELEVATION DIFFERENCE = 8.00 TC = .389*[( 1000.00** 3.00)/( 8.00)]** .20 = 16.193 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.226 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, FM(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 8.46 `..4..a.L.a.4r_....r��....nr�a.. a.Yw.. Y.�. _Y .,...... .:l�J...........a_[C'O.':+•R............ ter_. Y. ....�]...�.�._��.y��iwa.v.�.�.......�..Nor...ofn1.::Ji.���.`..i:`+.a.:i�...�]aw..��....u.......Y`�.vun��i.. _. �.u.�. a.aab �.:. 1�a+.� TOTAL AREA(ACRES) = 3.43 PEAK FLAW RATE(CFS) = 8.46 **************************************************************************** FLOW PROCESS FROM NODE 395.03 TO NODE 396.00 IS CODE = 6 --------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ------------------------------------------ UPSTREAM ELEVATION = 1229.40 DOWNSTREAM ELEVATION = 1224.00 STREET LENGTH(FEET) = 460.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .480 OUTSIDE STREET CROSSFALL(DECIMAL) = .260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.74 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .76 HALFSTREET FLOODWIDTH(FEET) = 4.18 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.93 PRODUCT OF DEPTH&VELOCITY = 4.53 STREETFLOW TRAVELTIME(MIN) = 1.29 TC(MIN) = 17.49 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.080 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA AREA(ACRES) = 2.81 SUBAREA RUNOFF(CFS) = 6.56 EFFECTIVE AREA(ACRES) = 6.24 AVERAGED Fm(INCH/HR) _ .485 TOTAL AREA(ACRES) = 6.24 PEAK FLOW RATE(CFS) = 14.57 END OF SUBAREA STREETFLOW HYDRAULICS: � DEPTH(FEET) = .85 HALFSTREET FLOODWIDTH(FEET) = 4.51 FLOW VELOCITY(FEET/SEC.) = 6.20 DEPTH*VELOCITY = 5.27 G k************************************************************************** FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.49 RAINFALL INTENSITY (INCH./HOUR) = 3.08 EFFECTIVE STREAM AREA(ACRES) = 6.24 TOTAL STREAM AREA(ACRES) = 6.24 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.57 iCONFLUENCE INFORMATION: (STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 56.35 12.29 3.807 .48 16.41 2 14.57 17.49 3.080 .49 6.24 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO ...�.v�_a_S._ .. F:..Y.a.._Iru .w..l-h �.`L. .. .._!v._.�4ua... ..�..a..t�..J.. .r. ._... �.��. .� �.1'%......:.:t.�_..�_..._�s.....wS�.a..h....:.1..�..:.....3..._....Sc...�... �.�.1. ..`..4i.::.... t.t....... > .�.w�.4...n........�...r .. CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ------------------------------------------- 1 69.46 20.79 2 58.61 22.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 69.46 TIME(MINUTES) = 12.286 EFFECTIVE AREA(ACRES) = 20.79 TOTAL AREA(ACRES) = 27.02 FLOW PROCESS FROM NODE 396.00 TO NODE 396.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< ------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.29 RAINFALL INTENSITY (INCH./HOUR) = 3.81 EFFECTIVE STREAM AREA(ACRES) = 20.79 TOTAL STREAM AREA(ACRES) = 27.02 PEAK FLOW RATE(CFS) AT CONFLUENCE = 69.46 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 69.46 12.29 3.807 .48 20.79 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 69.46 20.79 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: .PEAK FLOW RATE(CFS) = 69.46 TIME(MINUTES) = 12.286 EFFECTIVE AREA(ACRES) = 20.79 TOTAL AREA(ACRES) = 27.02 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 27.02 EFFECTIVE AREA(ACRES) = 20.79 PEAK FLOW RATE(CFS) = 69.46 END OF RATIONAL METHOD ANALYSIS RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************** EAST VILLAGE HYDROLOGY, LATTERAL H Q=100 YR, CATCH BASINS H-302 AND H-303 x V.N., P.M.L., J.N.3810-020 ************************************************************************** FILE NAME: A:LATH3.DAT TIME/DATE OF STUDY: 10:38 2/ 1/1988 ------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------- --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT= 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE _ .6000 **************************************************************************** FLOW PROCESS FROM NODE 390.10 TO NODE 390.01 IS CODE = 2 . .-------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ------------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 1020.00 UPSTREAM ELEVATION = 1237.40 DOWNSTREAM ELEVATION = 1228.20 ELEVATION DIFFERENCE = 9.20 TC = .389*[( 1020.00** 3.00)/( 9.20)]** .20 = 15.935 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.257 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 16.07 TOTAL AREA(ACRES) = 6.44 PEAK FLOW RATE(CFS) = 16.07 C- B. H 3 o Z FLOW PROCESS FROM NODE 309.01 TO NODE 395.00 IS CODE = 3 --------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< ------------------ DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.3 UPSTREAM NODE ELEVATION = 1228.20 DOWNSTREAM NODE ELEVATION = 1226.96 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 "'STIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 2IPEFLOW THRU SUBAREA(CFS) = 16.07 TRAVEL TIME(MIN.) _ .53 TC(MIN.) = 16.47 r************************************************************************** FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE = 1 -------------------.-------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.47 RAINFALL INTENSITY (INCH./HOUR) = 3.19 EFFECTIVE STREAM AREA(ACRES) = 6.44 TOTAL STREAM AREA(ACRES) = 6.44 PEAK FLOW RATE(CFS) AT CONFLUENCE = 16.07 FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE = 2 --------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< -------------------------- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW -LENGTH = 900.00 UPSTREAM ELEVATION = 1235.10 DOWNSTREAM ELEVATION = 1226.97 ELEVATION DIFFERENCE = 8.13 TC = .389*[( 900.00** 3.00)/( 8.13)]** .20 = 15.152 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.357 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, FM(INCH/HR) _ .4850 SUBAREA RUNOFF(CFS) = 9.69 TOTAL AREA(ACRES) = 3.75 PEAK FLOW RATE(CFS) = 9.69 FLOW PROCESS FROM NODE 395.00 TO NODE 395.00 IS CODE = 1 ---------------------------------------------------------------------------- i»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< --------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.15 RAINFALL INTENSITY (INCH./HOUR) = 3.36 EFFECTIVE STREAM AREA(ACRES) = 3.75 TOTAL STREAM AREA(ACRES) = 3.75 PEAK FLOW RATE(CFS) AT CONFLUENCE = 9.69 CONFLUENCE INFORMATION: "STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ANUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------- 1 16.07 16.47 3.193 .49 6.44 2 9.69 15.15 3.357 .49 3.75 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ------------------------------------------- 1 25.21 10.19 2 25.37 9.68 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 25.37 TIME(MINUTES) = 15.152 EFFECTIVE AREA(ACRES) = 9.68 TOTAL AREA(ACRES) = 10.19 FLOW PROCESS FROM NODE 395.00 TO NODE 390.30 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1226.97 DOWNSTREAM NODE ELEVATION = 1226.60 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.37 TRAVEL TIME(MIN.) = .14 TC(MIN.) = 15.29 FLOW PROCESS FROM NODE 390.30 TO NODE 390.00 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER -ESTIMATED PIPESIZE (NON -PRESSURE FLOW) ««< - --------------------------------- DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.5 UPSTREAM NODE ELEVATION = 1226.60 DOWNSTREAM NODE ELEVATION = 1225.00 FLOWLENGTH(FEET) = 55.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.37 TRAVEL TIME(MIN. ) = .07 TC (MIN. ) = 15.37 FLOW PROCESS FROM NODE 390.00 TO NODE 390.00 IS CODE = 1 --------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.37 RAINFALL INTENSITY (INCH./HOUR) = 3.33 EFFECTIVE STREAM AREA(ACRES) = 9.68 TOTAL STREAM AREA(ACRES) = 10.19 PEAK FLOW RATE(CFS) AT CONFLUENCE = 25.37 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) -------------------------------------------------------------- 1 25.37 15.37 3.329 .48 9.68 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE HUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 25.37 9.68 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 25.37 TIME(MINUTES) = 15.366 EFFECTIVE AREA(ACRES) = 9.68 TOTAL AREA(ACRES) = 10.19 --------------------- END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 10.19 EFFECTIVE AREA (ACRES ) = 9.68 F -o �z- L G C- V LA T41 _ D 41 PEAK FLOW RATE(CFS) = 25.37 END OF RATIONAL METHOD ANALYSIS STREET CAPACITY CALCULATMNS t._ SUBJECT .S7TZEET W?g g 2W.004� gmeo CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING BY DATE108 HN SHEET OF I � Au 1 i .'2 NIW , 2/ 2d /,d 21 /2 /2 /1 /2 10 G Y�� L -S 47,,o� GI:oF.� ass diiDo 0,� Q 0.a /� •�� Q i 1, O% W/o -/,7, di WR = 45, �FF• WP _ 55.f-7 Q 4.2/ Q= ,S."A'Z Qroo A/ 95.07x. SLG d1 PkWYI ��mo /L = ,3 07 x o7X • 6S13 479-72 r I r EST .,. , In�OPAV A..I,.-,.,I,r nr%f?-r /[',l• .-AI ir....rIIA nnnnn ... r SUBJECT Pr H C-!1 0 !S 0-20 azs 030 0-35 O.37� 0.40 D•4S 0-48 O - SD -r/f, 0 -SZ n_s�4 - C 90 woo., D- 74 - CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING 18•eo 12.00 $-3/9 30-s3 o-272 3•�s.931 BV DATE , _ LL_ los NO SHEET of Por- odyJ` ).J,(ROAD) A a.t A r' 1.39 0.063 !-SO Doss I rB9 2.39 0.123 2.54 0.046 I.6 1 3.64 0-2>+ 3-84 0.071 4.6s4 4.89 0-487 s- *4 0-09s 10 6.14 0->63 6-4.4 0-1►9 18.287 X39 1-101 7-44 0.142 29-Ul. 6-00 1.266 9-37* 6-f-4 31 - Loa . 9-30 AS -11 9.74 0-ISf, 43.37; 11.80 2.039 12.26 0.16b 61- of s 13-30 2-416 r3.79 0-17r 74.664 2-69.2 was 0- ►82 15.30 i-Oo 2-976 16-32 0.104 96' 'VWX ig-oo 3 •moo 4.02¢ 2.� 0.191 12-M;N 7 18•eo 12.00 $-3/9 30-s3 o-272 3•�s.931 CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING p_pIS f -t _.. .. .. ... --n .� . r. r�•.� r r•l•.-T. •II -f`• �+.r rrnn�rr� - n.I`nr ���n - .1� �. r1� '�77-' SUBJECTBY DATE 8 DC7 JOB NO. SHEET 3�10-b2t7 OF S? CAPt�(Jry Ven✓_i -rr � For LOCAL S Mr LT T'w 6 " c.F 18, 4pLF sr -7*Pr-H (,es A D) w tP-w APEA 0-11 1.39 0.063 1 -so 0.0S.I 1.189 o/s- 2.39 0-123 2.54 0.046 1.61 0.20 3.64 6.274 3.84 0.071 4.6s4 a 2s 4-179 o-48 7 5-14 0.30 6.14 0.763 6-44 0 -►J9 16.287 0-3s X39 1-101 7.444 0 -►42 29 -Mg - 0 -3:74- 6-00 1-286 8-374 0• 36•Lo3 0.4o 9-30 I -Sl l 9.70 0-M& 43 - 37A 0.45 11.80 x•039 I�•z6 o•16b G1�ori 0-48 13 -30 2-416 13.79 0-1>r 74•B83 D • SG "r/c 14 -ft 2-692 A4-62 0-%2 as -441 O. 52 15.30 ` - I - oo 2-M 16-32 0.184 46'- D I p.s�4 c,�owN IB.00 3•�0 .4-02+ 22-2-2. 0' 19.1 5- 563' 2-5- -5? 6.119 0-640 CRIB 7-oo p_pIS f -t _.. .. .. ... --n .� . r. r�•.� r r•l•.-T. •II -f`• �+.r rrnn�rr� - n.I`nr ���n - .1� �. r1� '�77-' �D CIVIL ENGINEERING o LAND PLANNING a LAND SURVEYING SUBIECT BY DATE lOB NO SHEET OF S%)Wf G4)ODAQ77Eg V&qk t • N 8 5��'8 3&110 •-Go-o S2 � /1' I I QJoo Cve B 02' �2 S• �— • KGs _ 1/ /2S Q2S A95A loo A EU a a ass A = . esa _ .Boa Qyi = , sP9 Qss = a- X p F� X .102 -. Js W 99.o,7X..p0i Q to ' a- x k Sof a oaX 99.of /do/. C2 (� .oiS ,Sd 0.00SL .'• s4i = o/aF3 Qlr 3 Q.0 sa r !off S a 0.0/.2i j_1 SOU` 74 14E2MA(SE ciP,cLl tib! c h err 94co CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING 5 JEGT _ I By DATr Y�A NO SHEET OF j C^ fit' N1 "p,RfADR,, EAST C"p�+� ";T�r��^,► kVR�I ';-ALF W'-,5 7' 'WITF4 8"!F 2p :T 20 4 2-1 /W u A0h .✓.Q p %;i W kt F �j %^� I (�I N� AE E A P 0.17 2 0-170 2.17 0-078 3.06 0.20 '2 -75 0.2.4.1 2 -is- 0-092- 4.51 0.25 4.00 o -oro 4-25 0.097 8- go 0 30 5.2S D•6p 5.5,61 O -IIS !S of C. as 46-50 0-93s 6-186 0434 24.41 0.40 7.7s- 1. 291 8-16 0.156 37.37 0-41 G Rb.00 B• 1 . lti_ B -A,) 0-163 40-w 0-42, 9.0c) 6 . S-39 r -i - 4l 0- 163 45,149 o4s )0.00 1.724 b-47 0-165- 51.63 0 48 !1 Sty 2• oSZ 11-00 6.171 62-63 0 So 11 -SA .2 •;M 1? P)2 ^.�7L 7/•3! 0.52 13_so 2 - Ss2 '1 } •a, C- MU %I- ►9 0-54 14.5^ 2-83,2 15.0& Oleg 92.07 0-�6 1550 3-132 16.08 0-195 !04.A G 56 16-50 3.452 17-10 6-202 117-13 0.60 17-50 3- 742 1€.12 0-209 13A2-30 CID 3.970. 18.63 0.2/3 1!4 •27 a-63 (• ,c 4--.340 ss 2_t /=7./6 0-65 20'Oo C 4- 7?,:) lc.�,� �.�z� 175.39 6-0 20.00 •rfr 5 r3c ;?a•b+q�6 1. /1 2d.CO T7r 22 +(41ki) ►$•i7o A2.71a o.4yo ro7s7o � 3170 REDHILL AVENUE o COSTAMESA, CALIFORNIA 92626-3428 0 (714) 641-8777 CIVIL ENGINEERING o LAND PLANNING o LAND SURVEYING SUBJECT ST_ Cl�'A�rr' BY \1C -,N 4 DATEJOB 9 7 NO. 3�fo-�.� SHEET OF F-�AN�a►�I �r� MpNT��y sr/ P�r��'.�° .�"►� �as�rr- CF, HA -LF A/N -brp7-H (p,aAD) A l4e�w) APPA 'P R 0.17 2.17 0-079 3 "g 0.20 2.7$ 0.24 2-T.T -092 0-25 4.00 p,A10 4.2S 0.097 B's� 0.50 5.25 0-6-41 9.56 0 -lir �S a 0 33 6 - 6, 0-9110 6.34 0-12LI 20- IV ®'`0 9r'- 3s3 9?. o-137 3s -6a/ �• 5' t z • )-85) 12.46 0-152 533� -�% l4•�v a,Ss3 I�-0k 0.170 77.61 O.S2. 2-9&3 r6•s7j o•i73 7 7.S' 0. 56 19.sa 3. 513 18-07 o 19� 116.63 0. S7 r$•o Ceo WN 3.64 ! 18 -y -k 0- ll` 124.64 0. 67 18.0 T/c _c. 74 1 2.5-6, 8- 0.244 2-o rg-o R/04i2 �osr 3�•6� a-3op !�_>6•� 3170 REDHILL AVENUE o COSTAMESA, CALIFORNIA 92626-3428 0 (714) 641-8777 ?14X 0 "" R�z CIVIL ENGINEERING LAND PLANNING 0 LAND r II SUBJECTSrQ�Er ci4. rl.Es I BY KEPI �✓- I DATE/t7 .2 I 43G" SHEET OF 0.2r 7A0,pc CL,�eBI B y�� �sl °�, /d /I AQ 94 3 57s sf 0-370 Q a o, .24P x = x -- ( 610 Q /o _ -21-79x f� o7)r . s/s _ l�//.7 S CIL, AV,'1V&1�2 0 S/- LWE r« Sid L E 3186-L AIRWAY AVENUE a COSTA MESA, CALIFORNIA 92628-4675 0 (714) 641-8777 QBFd = 24,7.y K/P S. is 0-370 Sid L E 3186-L AIRWAY AVENUE a COSTA MESA, CALIFORNIA 92628-4675 0 (714) 641-8777 ®� CIVIL ENGMIEERMlG • LAND PLANNING • LAND SURVEYING -De p 7) 0-/7 0.20 0.2s 0.30 0.3s 0-40 0-41 0.43 0-45 0.48 0 -so 0.52 0-54 0 r,6 C- 56 0.60 0-61 V,67 0 -is" 0.9,I+ 0.70 m-85 IEY I DAT/ / J NO SHEET OF y VENr`I.�1, B Eli 3�/o-aao �. !�`:' r A.•+•rt� _ 1�` =,S! 1 �nl 000 �.�� /�'� w i T µ e - � : , �, ,; � ►: J; � � _ r GA y/.1 [1J2cLE: 33-5 �llvIJAL1= LI -4 I r kt F!); W `(R/k) Alec A P Q% 'r2 2 0-170 2.17 0-078 3-06' '2 -75 azy I •9r 0-082 4 sl 4.00 0-4rO a•2s 0.097 6 -se 5.2S 0.61t1 557L 0-115 15.02 6-50 0-935' b- ei o-13� ?t •,� ^ 363 I • 191 8 - I b 0.156 37-37 25- 65 D 32l g 0.163 40.67 S -4l o- 14,3 45,41 to 0o I. 724 10.4,7 0.165' 51.53 ►�.� Z- osZ 12-oo 62.65 13 -Se 2 -SSI I4 A 0-42. V- /b -so 2-932 m -o& 0486 92-07 1550 0-195 /6-50 17-10 1 7- 50 117-%3 :q.00 o- 209 132.30 19.63 -27 j9_55- _ 221 2-0 r/c ev-6u 14c 2J • 00 7c 20 'w -%C 3.132 3-452 3- 74z 3.970 4--.340 4. 77-,*) 6 8�7 12- 5-.7S' 2-5--75' Cl • s4 16.0% 0-195 10444 17-10 0.202 117-%3 1€ .12 o- 209 132.30 19.63 -27 j9_55- _ 221 /577.16 20.6 0-.246 200-• 61 24-69 0-2.79 291.43 3A•b2 ^ 363 622.61 22-11 0.259 231-4T 25- 65 D 32l nil! CIVIL ENGINEERING o LAND PLANNING • LAND SURVEYING 3170 REDHILL AVENUE o COSTAMESA, CALIFORNIA 92626-3428 0 (714) 641-8777 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************** E.VILLAGE HYDROLOGY, C.B #N1304 CONFLUENCE CALCS Q 25 YR VENKI.N ************************************************************************** FILE NAME: CB#M304.DAT TIME/DATE OF STUDY: 17:16 11/15/1988 USER SPECIFIED SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 ";,OPE OF INTENSITY DURATION CURVE _ .6000 r************************************************************************** FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 7 ---------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< -------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 10.94 RAIN INTENSITY(INCH/HOUR) = 3.20 EFFECTIVE AREA(ACRES) = 2.60 TOTAL AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) = 6.35 AVERAGED LOSS RATE, FM(IN/HR) = .485 r************************************************************************** FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 --------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.94 RAINFALL INTENSITY (INCH./HOUR) = 3.20 EFFECTIVE STREAM AREA(ACRES) = 2.60 TOTAL STREAM AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.35 FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 7 ----------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ------------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 17.14 RAIN INTENSITY(INCH/HOUR) = 2.44 EFFECTIVE AREA(ACRES) = 11.05 ITAL AREA(ACRES) = 11.13 PEAK FLOW RATE(CFS) = 20.46 ..iERAGED LOSS RATE, Fm(IN/HR) = .390 FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.14 RAINFALL INTENSITY (INCH./HOUR) = 2.44 EFFECTIVE STREAM AREA(ACRES) = 11.05 TOTAL STREAM AREA(ACRES) = 11.13 PEAK FLOW RATE(CFS) AT CONFLUENCE = 20.46 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER •------------------------------------------------------------ RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 6.35 10.94 3.198 .49 2.60 2 20.46 17.14 2.443 .39 11.05 ..w..��-..).a...�i....�.L...a..-.<.r........3.+.-�-._�J.a..--.Fa......,t..w...r v.r..nw.�.�.--.i.�.... • v..v+-..n.`.L..�`.lu....aa...J.LAS.::a..-..1-.+.r..--w_..rw..Au.eau..u.4-.v'+w....•...r....�..--.. .......-.�-..-...... r+####******AA#*****f***A*A*Af*******A*#f#A*A##**#******#A*A*A*****A***A*# RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial, # I00908 Especially prepared for: HALL & FOREMAN ++++++++++++***++++++++*fA DESCRIPTION OF STUDY ************************** ..VILLAGE HYDROLOGY, C.B #M3D4 00 `fc f VN *+++++++++++++++++++++++++++++++++++++++++++#*++*+*+++++++++++++++++++++*# ILE NAME: CB#M304.DAT TIME/DATE OF STUDY: 17:34 11/15/1988 ISER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- 1SER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 0 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 ':OMPUTED RAINFALL INTENSITY DATA: N EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 oeE OF INTENSITY DURATION CURVE = .6000 ++#f****+****f**A***f#A*AA#*##*A#*****AAAA**#*#*A#**AA***#***####A******f** FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 7 ------------------------------------------------------------------------- »USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< !SER -SPECIFIED VALUES ARE AS FOLLOWS: C(MIN) = 10.94 RAIN INTENSITY(INCH/HOUR) = 4.08 EFFECTIVE AREA(ACRES) = 2.60 TOTAL AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) = 8.42 tVERAGED LOSS RATE, Fm(IN/HR) = .485 r++k##+#f****#**#****#f***Aff*#*A*A******A#fAffA***ff#ffAA#***#**#***ff####A* 'LOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 -------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< !ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 10.94 RAINFALL INTENSITY (INCH./HOUR) = 4.08 FFECTIVE STREAM AREA(ACRES) = 2.60 r"AL STREAM AREA(ACRES) = 2.60 FLOW RATE(CFS) AT CONFLUENCE = 8.42 FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 7 --------------------------------------------------------------------------- -USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< JSER-SPECIFIED VALUES ARE AS FOLLOWS: IN) = 16.98 RAIN INTENSITY(INCH/HOUR) = 3.14 ...'_CTIVE AREA(ACRES) = 11.11 'OTAL AREA(ACRES) = 11.13 PEAK FLOW RATE(CFS) = 27.51 AVERAGED LOSS RATE, Fm(IN/HR) = .390 ****#***#*x#********xx*#*######*******xxx**x*#****#*x*x*x#x##*#**xx##xxx* FLOW PROCESS FROM NODE 315.00 TO NODE 315.00 IS CODE = 1 -------------------------------------------------------------------------- ,»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< :ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: 'IME OF CONCENTRATION(MINUTES) = 16.98 RAINFALL INTENSITY (INCH./HOUR) = 3.14 EFFECTIVE STREAM AREA(ACRES) = 11.11 'OTAL STREAM AREA(ACRES) = 11.13 .'EAK FLOW RATE(CFS) AT CONFLUENCE = 27.51 :ONFLUENCE INFORMATION: ;TREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------ 1 8.42 10.94 4.081 .49 2.60 2 27.51 16.98 3.135 .39 11.11 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO LUENCE FORMULA USED FOR 2 STREAMS. ,,_ AARY RESULTS: STREAM CONFLUENCE EFFECTIVE IUMBER 0(CFS) AREA(ACRES) ------------------------------------------ 1 32.25 9.76 2 33.71 13.71 :OMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 'EAK FLOW RATE(CFS) = 33.71 TIME(MINUTES) = 16.980 EFFECTIVE AREA(ACRES) = 13.71 -OTAL AREA(ACRES) = 13.73 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 13.73 7FFECTIVE AREA(ACRES) = 13.71 'EAK FLOW RATE(CFS) = 33.71 RND OF RATIONAL METHOD ANALYSIS RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # 100908 Especially prepared for: HALL & FOREMAN *x*****##****xxx*#x#x#xx DESCRIPTION OF STUDY **x*x*###**#**x***##x*##*# " E.VILLAGE HYDROLOGY, CB #M306 ..,..u-.<.--..r-..,.vna..__.._ar i.s-.. .- ..u -..--._.....a.. us o-_. if.-...i_rKa'�1.�-...vim•�+i.n•.e.AK.�.x�>ve........+�-u...i.�...r-�...�..-. -.-u.._.w.....u�:SiCl�:r--.__�..._.i.....i.�-�-.f--..-v. _..i--.... •. -i�1 .._v c l VN x l 25 YR x :***************xxxx*xx*x*xxxxxxxxxxxxxxxxxxx***xx**xxxxxxxxxxxxxxxxxxxxx NAME: CB#M306.DAT ..,c/DATE OF STUDY: 17:36 11/15/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 25.00 ;PECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 ;PECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 00 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 OMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 7LOPE OF INTENSITY DURATION CURVE = .6000 ********************************x*****xxx*xxxxxxx**xxxxxxxxxxxxxxxxxxxxxx LOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 7 --------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ---------------------- SER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.66 RAIN INTENSITY(INCH/HOUR) = 2.80 -FFECTIVE AREA(ACRES) = 2.60 L AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) = 5.41 K ;?AGED LOSS RATE, Fm(IN/HR) = .490 ************************************************x*x*****xxxxxxxxxxxxxxxxx FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 --------------------------------------------------------------------------- »»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: IME OF CONCENTRATION(MINUTES) = 13.66 AINFALL INTENSITY (INCH./HOUR) = 2.80 EFFECTIVE STREAM AREA(ACRES) = 2.60 TOTAL STREAM AREA(ACRES) = 2.60 EAK FLOW RATE(CFS) AT CONFLUENCE = 5.41 .—f**xxxxxxxx*xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*******x*xxx*xxxxxxxxxxxxxxxxx* LOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 7 ---------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< SER -SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.43 RAIN INTENSITY(INCH/HOUR) = 2.83 EFFECTIVE AREA(ACRES) = 2.00 OTAL AREA(ACRES) = 2.00 PEAK FLOW RATE(CFS) = 4.22 Y=RAGED LOSS RATE, Fm(IN/HR) = .485 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 ---------------------------------------------------------------------------- ._.. ..... ....a-. .-.+v.. .. ... .... ..«i....._.... -.. �..:.dw.�_._..>_.....�__........w-.e•. .. :.r..........a .xv...w.�._� S:r....4w.1 �..s. �...... �u..)..�r .s.. .-...w.,.......•....._. t.. ..;. t.........._..._.. .-...- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: .IME OF CONCENTRATION(MINUTES) = 13.43 :ALL INTENSITY (INCH./HOUR) = 2.83 ...CTIVE STREAM AREA(ACRES) = 2.00 OTAL STREAM AREA(ACRES) = 2.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4.22 +x**xxxxxxxxxxxxxxxxxxxxx***********x****xx******x*xxxxxxxxxxxxxxxxxxxxxx FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 7 ------------------------------------------------------------------------- »»USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: C(MIN) = 13.32 RAIN INTENSITY(INCH/HOUR) = 2.84 FFECTIVE AREA(ACRES) = 2.86 TOTAL AREA(ACRES) = 2.86 PEAK FLOW RATE(CFS) = 6.07 AVERAGED LOSS RATE, Fm(IN/HR) = .485 *x**x*xxxxxxxxxxxxxxxx+xxxxxxxxxxxxxxxxxxxx*xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 » -DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: IME OF CONCENTRATION(MINUTES) = 13.32 RAINFALL INTENSITY (INCH./HOUR) = 2.84 °FFECTIVE STREAM AREA(ACRES) = 2.86 STREAM AREA(ACRES) = 2.86 ._4 FLOW RATE(CFS) AT CONFLUENCE = 6.07 xxxxxxxxxxxxxxxxxxxxxxxxxxxx****x********************x•xxx}xxxxxxxxxxxxxx FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 7 --------------------------------------------------------------------------- »»USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: -C(MIN) = 16.00 RAIN 1NTENSITY(INCH/HOUR) = 2.55 FFECTIVE AREA(ACRES) = 2.48 TOTAL AREA(ACRES) = 2.48 PEAK FLOW RATE(CFS) = 4.60 AVERAGED LOSS RATE, Fm(IN/HR) = .486 x,rxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 >>>>DESIGNATE INDEPENDENT STREAM FOR CDNFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION(MINUTES) = 16.00 RAINFALL INTENSITY (INCH./HOUR) = 2.55 FFECTIVE STREAM AREA(ACRES) = 2.48 ATAL STREAM AREA(ACRES) = 2.48 �. FLOW RATE(CFS) AT CONFLUENCE = 4.60 ONFLUENCE INFORMATION: *TREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ._. _ .� .. .. ..._.._...._�..._..-..1-1'.v ..... _.. ........'.�'.a .L, Y../...:._4'._J•...i.-.s�.r_X.w'3.�:.i�,:...:...r__..v...s..«.....,...:+...:e_W_..:_a a.a _..., ___...._.. .._.�...-... �....__,...._.__. . ---••---------•---------------------------------------------- 1 5.41 13.66 2.799 .49 2.60 2 4.22 13.43 2.828 .49 2.00 3 6.07 13.32 2.842 .49 2.86 4.60 16.00 2.546 .49 2.48 ZAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 4 STREAMS. SUMMARY RESULTS: iTREAM CONFLUENCE EFFECTIVE !UMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 19.95 9.58 2 20.03 9.50 3 20.03 9.44 4 18.44 9.94 ;OMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 'EAK FLOW RATE(CFS) = 20.03 TIME(MINUTES) = 13.320 EFFECTIVE AREA(ACRES) = 9.44 TOTAL AREA(ACRES) = 9.94 :ND OF STUDY SUMMARY: TOTAL AREA(ACRES) = 9.94 :FFECTIVE AREA(ACRES) = 9.44 'EAK FLOW RATE(CFS) = 20.03 END OF RATIONAL METHOD ANALYSIS +*++++++++++++++++++++++++++++++++++++++++++++++++++*+++++++++++++++++++++* RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************ DESCRIPTION OF STUDY ************************** E.VILLAGE HYDROLOGY, C.B #306 1 100 YR IN ALE NAME: CB#M306.DAT 'IME/DATE OF STUDY: 17:39 11/15/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- JSER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(1NCH/HOUR) _ .980 10^ -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 JTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 LOPE OF INTENSITY DURATION CURVE = .6000 _.. -.. .._ _ _..:,.•�._a_-.......•..a_,•,......+......:.-a.ts•-..-._...:e-..v..:..o-_c:_.a•-......�..-_<.�.......¢s........_c_.-..._._._..,,..__..�..e.��.,❖._.:..:.�.a:A_-...... ._.._.. �.....-._r ..�__-._.... LOU PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 7 ----_----------------------------------------------------------------------- -USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< ------------------------------------------------------------------------- SER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.66 RAIN INTENSITY(INCH/HOUR) = 3.57 EFFECTIVE AREA(ACRES) = 2.60 OTAL AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) = 7.22 VERAGED LOSS RATE, Fm(IN/HR) = .485 ***ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .49(1NCHES/HOUR) LOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 ------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: .IME OF CONCENTRATION(MINUTES) = 13.66 RAINFALL INTENSITY (INCH./HOUR) = 3.57 FFECTIVE STREAM AREA(ACRES) = 2.60 OTAL STREAM AREA(ACRES) = 2.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 7.22 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 7 ----------------------------------------------------------------- -USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: C(MIN) = 13.43 RAIN INTENSITY(INCH/HOUR) = 3.61 FFECTIVE AREA(ACRES) = 2.00 TOTAL AREA(ACRES) = 2.00 PEAK FLOW RATE(CFS) = 5.62 AVERAGED LOSS RATE, Fm(IN/HR) = .485 **ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .49(INCHES/HO(JR) rLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 --------------------------------------------------------------------------- »»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.43 IAINFALL INTENSITY (INCH./HOUR) = 3.61 _FFECTIVE STREAM AREA(ACRES) = 2.00 TOTAL STREAM AREA(ACRES) = 2.00 :AK FLOW RATE(CFS) AT CONFLUENCE = 5.62 _OW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 7 - ---------------------------------------------------------------------- -USER SPECIFIED HYDROLOGY INFORMATION AT NODE -c<< -c< -- ------------------------------------------------------------------------- - ------------------------------------------------------------------------- SER-SPECIFIED VALUES ARE AS FOLLOWS: ,C(MIN) = 13.32 RAIN INTENSITY(1NCH/HOUR) = 3.63 EFFECTIVE AREA(ACRES) = 2.86 .,_....-_.._....�..........�_ -..�. _..e..�..n.:.,..e..�„s_... � -.-..- w .............._ ... _�..�....�-_.0 ._ ___. r...' moi,.... _.�::fi ..-�4�.+_.�-..._o..-.-......._ - _ _....,.....n....:•s.X:.`+s..:.:.-.'.: -S �....::3_t..`...._._J...o..5..' .,_.... - - r. TOTAL AREA(ACRES) = 2.86 PEAK FLOW RATE(CFS) = 8.14 VERAGED LOSS RATE, Fm(IN/HR) = .485 '-o; PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 ------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE -C<<<< :ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: .IME OF CONCENTRATION(MINUTES) = 13.32 RAINFALL INTENSITY (INCH./HOUR) = 3.63 FFECTIVE STREAM AREA(ACRES) = 2.86 OTAL STREAM AREA(ACRES) = 2.86 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.14 FLOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 7 -------------------------------------------------------------------------- >»USER SPECIFIED HYDROLOGY INFORMATION AT NODE-«< USER-SPECIFIED VALUES ARE AS FOLLOWS: C(MIN) = 16.00 RAIN INTENSITY(INCH/HOUR) = 3.25 FFECTIVE AREA(ACRES) = 2.48 TOTAL AREA(ACRES) = 2.48 PEAK FLOW RATE(CFS) = 6.17 AVERAGED LOSS RATE, Fm(IN/HR) = .485 'LOW PROCESS FROM NODE 330.00 TO NODE 330.00 IS CODE = 1 ---------------------------------------------------------------------- »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION(MINUTES) = 16.00 RAINFALL INTENSITY (INCH./HOUR) = 3.25 'FFECTIVE STREAM AREA(ACRES) = 2.48 jOTAL STREAM AREA(ACRES) = 2.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.17 ONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ----------------------------------------------------------- 1 7.22 13.66 3.572 .49 2.60 2 5.62 13.43 3.609 .49 2.00 3 8.14 13.32 3.627 .49 2.86 4 6.17 16.00 3.249 .49 2.48 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO ONFLUENCE FORMULA USED FOR 4 STREAMS. UMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 26.65 9.58 26.75 9.50 3 26.75 9.44 4 24.77 9.94 LDMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 26.75 TIME(MINUTES) = 13.430 ......,.�.-._....._->....:...�.._i::�.-.=_-4.:.�w.. .....-uv ,..:;✓.>.+-rr :+.:i:o.��s.::t•.: •iu.:�7.. e..a.n�:r..�-....-.c w.,`: t�.e.�.. �. '.......,..o ...-....... _.,. EFFECTIVE AREA(ACRES) = 9.50 TOTAL AREA(ACRES) = 9.94 _ND OF STUDY SUMMARY: _ AREA(ACREa) = 9.94 _CTIVE AREA(ACRES) = 9.50 'EAK FLOW RATE(CFS) = 26.75 END OF RATIONAL METHOD ANALYSIS RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************ DESCRIPTION OF STUDY ************************** E.VILLAGE HYDROLOGY, C.B #M307 " 25 YR : N ILE NAME: CB#M307.DAT IME/DATE OF STUDY: 17:44 11/15/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL* -- SER SPECIFIED STORM EVENT(YEAR) = 25.00 jPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 0 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 00 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: "TORM EVENT = 25.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 LOPE OF INTENSITY DURATION CURVE = .6000 FLOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = 7 -•------------------------------------------------------------------------- »»USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER-SPECIFIED VALUES ARE AS FOLLOWS: -C(MIN) = 15.12 RAIN INTENSITY(INCH/HOUR) = 2.63 FFECTIVE AREA(ACRES) = 3.43 TOTAL AREA(ACRES) = 3.43 PEAK FLOW RATE(CFS) = 6.63 AVERAGED LOSS RATE, Fm(IN/HR) = .487 LOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = 1 ------------------------------------------------------ ------------------ . »»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: IME OF CONCENTRATION(MINUTES) = 15.12 AINFALL INTENSITY (INCH./HOUR) = 2.63 EFFECTIVE STREAM AREA(ACRES) = 3.43 STREAM AREA(ACRES) = 3.43 FLOW RATE(CFS) AT CONFLUENCE = 6.63 'LOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = 7 ------------------------------------------------------------------------- >>->USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< `SER -SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 16.49 RAIN 1NTENSITY(INCH/HDUR) = 2.50 EFFECTIVE AREA(ACRES) = 2.85 ,'OTAL AREA(ACRES) = 2.85 PEAK FLOW RATE(CFS) = 5.17 'IVERAGED LOSS RATE, Fm(IN/HR) = .485 rLOW PROCESS FROM NODE 340.00 TO NODE 340.00 IS CODE = 1 --------------------------------------------------------------------------- >>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 1,»»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ---------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ILME OF CONCENTRATION(MINUTES) = 16.49 I41NFALL INTENSITY (INCH./HOUR) = 2.50 EFFECTIVE STREAM AREA(ACRES) = 2.85 'OTAL STREAM AREA(ACRES) = 2.85 FLOW RATE(CFS) AT CONFLUENCE = 5.17 CONFLUENCE INFORMATION: ATREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 'JMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------- 1 6.63 15.12 2.634 .49 3.43 2 5.17 16.49 2.500 .48 2.85 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. )UMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER G(CFS) AREA(ACRES) ------------------------------------------- 1 11.68 6.04 2 11.39 6.28 ')MPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: _AK FLOW RATE(CFS) = 11.68 TIME(MINUTES) = 15.120 cFFECTIVE AREA(ACRES) = 6.D4 TOTAL AREA(ACRES) = 6.28 IlD OF STUDY SUMMARY: TOTAL AREA(ACRES) = 6.28 EFFECTIVE AREA(ACRES) = 6.D4 ?AK FLOW RATE(CFS) = 11.68 )F RATIONAL METHOD ANALYSIS m RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ********************** DESCRIPTION OF STUDY************* * E.VILLAGE HYDROLOGY, C.B # B300 k Q 100 YR VN,12/29/88 FILE NAME: CB#B300.DAT TIME/DATE OF STUDY: 16: 6 12/29/1988 -------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -------------- --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 'rUSER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE _ .6000 **************************************************************************** FLOW PROCESS FROM NODE 181.05 TO NODE 181.05 IS CODE = 7 ----------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 17.57 RAIN INTENSITY(INCH/HOUR) = 3.07 EFFECTIVE AREA(ACRES) = 3.91 TOTAL AREA(ACRES) = 3.91 PEAK FLOW RATE(CFS) = 9.10 AVERAGED LOSS RATE, Fm(IN/HR) _ .485 ***ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .49(INCHES/HOUR) FLOW PROCESS FROM NODE 181.05 TO NODE 181.05 IS CODE = 1 -------------------------------------------------------------------------- >»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< -------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.57 RAINFALL INTENSITY (INCH./HOUR) = 3.07 xxxxYryrytytytYe�rsttYt�Ciritkic�Y�h�Fk�F�Ariti�F�t3F�F�t�stehitic*kic�k�k�k�t�F�its'ck�cdF9kk�F�t�k��kk�cit�t�Fick*kir��IF�k�'rkir RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN DESCRIPTION OF STUDY************** E.VILLAGE HYDROLOGY, C.B #B301 VN, 12/29/88 Q LS Y,Q FILE NAME: CB#B301.DAT TIME/DATE OF STUDY: 16:45 12/29/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------- --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 .)MPUTED RAINFALL INTENSITY DATA: `STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE = .6000 FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 7 ---------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ------------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.68 RAIN INTENSITY(INCH/HOUR) = 2.80 EFFECTIVE AREA(ACRES) = 9.45 TOTAL AREA(ACRES) = 9.45 PEAK FLOW RATE(CFS) = 19.67 AVERAGED LOSS RATE, Fm(IN/HR) = .485 **************************************************************************** FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 1 ------------------------------------------------------------------ »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.68 INFALL INTENSITY (INCH./HOUR) = 2.80 LFFECTIVE STREAM AREA(ACRES) = 9.45 TOTAL STREAM AREA(ACRES) = 9.45 PEAK FLOW RATE(CFS) AT CONFLUENCE = 19.67 USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 12.76 RAIN INTENSITY(INCH/HOUR) = 2.92 EFFECTIVE AREA(ACRES) = 1.84 TOTAL AREA(ACRES) = 1.84 PEAK FLOW RATE(CFS) = 4.67 TERAGED LOSS RATE, Fm(IN/HR) = .097 k�t��'t�F�k�c�F��k�t��stiF��tc�F�F*��IFir9F3ksF4c�'t�cir�k�t�Fik�c�F�'t�F�ric�tilk�lcilt�Fir�Fitc�stic�tit�fr�Y4c�t9kakiF�F�sti�iFYtic�k4F�riiiF�k*�r�F FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.76 RAINFALL INTENSITY (INCH./HOUR) = 2.92 EFFECTIVE STREAM AREA(ACRES) = 1.84 TOTAL STREAM AREA(ACRES) = 1.84 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4.67 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) ------------------------------------------------------------- 1 19.67 13.68 2.797 .49 9.45 2 4.67 12.76 2.916 .10 1.84 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. gUMMARY RESULTS: "REAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) -------------------------------------------- 1 24.14 11.29 2 23.96 10.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 24.14 TIME(MINUTES) = 13.679 !EFFECTIVE AREA(ACRES) = 11.29 TOTAL AREA(ACRES) = 11.29 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 11.29 EFFECTIVE AREA(ACRES) = 11.29 PEAK FLOW RATE(CFS) = 24.14 ----------------------------------------- END OF RATIONAL METHOD ANALYSIS RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************** DESCRIPTION OF STUDY ************************** E.VILLAGE HYDROLOGY, CONFLUENCE CALCS C.B #B301 Q 100 YR * VN, 12/29/88 R�C'k �C Jtl�ltiit'k7FfF s��c sF it St'Xli****ft s4 �lF�lF IF 3c IF s4 sf �k �F yk*�F �c s4 ik �i �F it*�F 3k tr*sY tr 4r 4r 4r it 4t ii:i sY it tc *'A Si 9c*********** FILE NAME: CB#B301.DAT TIME/DATE OF STUDY: 16:42 12/29/1988 --------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -------------------- --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 i00 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 \' IMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 ************************************************************************** FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 7 --------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.68 RAIN INTENSITY(INCH/HOUR) = 3.57 1EFFECTIVE AREA(ACRES) = 9.45 TOTAL AREA(ACRES) = 9.45 PEAK FLOW RATE(CFS) = 26.23 AVERAGED LOSS RATE, Fm(IN/HR) _ .485 ***ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .49(INCHES/HOUR) FIk*�t'c3k4**�k�Ar�IFsfirs43Fa4**ststi�r�cfr*3Ficskic*a'c'c!t***ir*�rst3Fics43t'c��'t*sY�t***s'r3F*zYsYSrsiirzYsY�e*stsYs�sYsYsY4rzCirst FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 1 ---------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< INFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: AIME OF CONCENTRATION(MINUTES) = 13.68 RAINFALL INTENSITY (INCH./HOUR) = 3.57 EFFECTIVE STREAM AREA(ACRES) = 9.45 TOTAL STREAM AREA(ACRES) = 9.45 PEAK FLOW RATE(CFS) AT CONFLUENCE = 26.23 --------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ---------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 12.57 RAIN INTENSITY(INCH/HOUR) = 3.75 7FECTIVE AREA(ACRES) = 1.84 DOTAL AREA(ACRES) = 1.84 PEAK FLOW RATE(CFS) = 6.06 AVERAGED LOSS RATE, FM(IN/HR) = .097 FLOW PROCESS FROM NODE 181.06 TO NODE 181.06 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.57 RAINFALL INTENSITY (INCH./HOUR) = 3.75 EFFECTIVE STREAM AREA(ACRES) = 1.84 TOTAL STREAM AREA(ACRES) = 1.84 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.06 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY F4 EFFECTIVE NUMBER ------------------------------------------------------------- RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 26.23 13.68 3.569 .49 9.45 2 6.06 12.57 3.755 .10 1.84 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO )NFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 31.98 11.29 2 31.61 10.52 .COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 31.98 TIME(MINUTES) = 13.679 (EFFECTIVE AREA(ACRES) = 11.29 TOTAL AREA(ACRES) = 11.29 -------------- ------------------------------------ END OF STUDY SUMMARY: (TOTAL AREA(ACRES) = 11.29 iEFFECTIVE AREA(ACRES) = 11.29 PEAK FLOW RATE(CFS) = 31.98 ----------------------------------- END OF RATIONAL METHOD ANALYSIS _..--.-..--__.-_ --_--__-__-.--------_..-_..----.-_.'-_-_._--_..:.-._..._..__._..._._.._----------------------•--.-.-- t •ir •�•'I' � • •Y •f- •iF •►- si• •r`e• }• •!E •3t i''•}"ic"k"!t' # •'9r di' •!: •it •Y= •?r �•'K dF # dF'i� -k' dF �!' •A;• ti4 � # # # •Ti• •3E• ii• •Tc •!C �Jt• 4E �' �• 4: iF 3^'34'•1: •k •le• •k'k"➢l• •i•: '!f• •lF •1t••ii• 3:• it �• �r 4c •k• •k• •!'r YiAs 'N;,,L METHOD HCD iz/DRr1 Oi:.Y COMPUTER cit i-• RL1t7:fHb', !-AGF'•:r'tcsr_ (Re'rirrerfec: 1St36 s..N Brr`t!'•ir"-.RD?'NCI CO. s-;;DRCi:.OuY CRITERION) Ce.:,P:V'r'=u:`t 1 982, 66, 87 Advanced ed E'a17eering Software (c'•.ter_-•) i Vey.. 4.1C Re:eas date: 5/11/87 Se'r•ia! 4 100908 Especially r,'7reaa ed for: HALL & FOREMAN DESCRIPTION OF STUDY' I ' i z z yr 12/30/68 I%• # # •3E• ie• x •A•'i�• •b'• •)E •!t• •N.• i• •1!- •IF• -k• •Y:• # •!f •1f•'!k• •li• # •DF •)f• # •k •1F a4• •71• •34'if• •if' •ti• # •k 3f• •ir if• •# •A -Yc •►f •ti •3t• �k• •Yi• •N• -li• •� •3r:• fi'• it it •�c -Yr •R• # •ft •k •rk •?: -!c •it• it •3E -k• •Y:• •Yi• •�• •�i• •li• r ME/ D 7E '•rli'= S i UD'sj.•.4 % 19 1/30/1988 _GER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENT RATION MODEL*-- ..8ER SPECIFIED STORM EVENT(YEAR) - 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRAJIEN T S (DECIMAL) TO USE FOR FRICTION SLOPE: _ . S`'. -.-r *USER -D FINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE !NTENSITY ( INCH/HQUR) = .980 1ZO-YEAR STORM 60 -MINUTE !NTENSITY(INCH/HOUR) = i.470 COMPUTED RAINFALL 1 N ;'ENS I TY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HQUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 +'.i-}.�:.•�•#i!••k••#•�•►•#•k•it•#•1:••iE#•)<••!•#•><:•####df•#•!f•######•li••!f••lt•#•1t•##•k#•iF######•IE•di•dr•k'#ir•Ii•###•1r###•li•9t•###•�•##•h'•dr•1;• FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE. - 7 ---------------------------------------------------------------------------- i) A 'r USER S6=°EC:i:F IED HYDROLOGY INFORMATION AT NODE < < (< < USER—SPECIFIED VALUES ARE AS FOLLOWS: - C (iyIN) - 13. 57 RAIN IN-fENSITY(INCH/HOUR) = 3.62 EFFECTIVE AREA(ACRES) i.so ,. r. i..i r �li—. �irc;-_'.e� (A�fi:,-tE _• a) - i.60 PEAR FLOW RATE(CFS) - 5.07 AVE Rf-)GET 1_.IES RATE. Fm 4 !N/HR) •— .097 ***ERROR; SPECIFIED LOSS RATE, FM I5 LESS THAN MINIMUM POSSIBLE VALUE OF . 10 (INCHES/HOUR ) •�#•�•�••�••>~••>ray•�••��•�••�•�•#-�##�•#�•�•#�•#•�##�•#•�##�•##��•##a�•#->F�•####�•##•�#####•�•��a�•��••��•�•�••�••�•��•�•�; •�•� PLOW PROCESS FROM NODE: 190.00 TO NODE: 00,00 IS CODE - 1 -------------------------------------------------------------------------------- )) })) DE S:t GN T•E INDEPENDENT STREAM FOR CONFLUENCE < < < < < CONFLUENCE JAL...1L'S USED FOR INDEPENDENT STREAM 1 FIRE: TIME OF C,s^sNi:EN T RATION (3'fiINU T ES) — 13.37 RAINFALL 3 NTENS I'f Y (INCH./HOUR) - 3.62 EFFECTIVE IVE STREAM AREA tACRES) = 1.60 TOTAL STREAM AREA(ACRES) = 1.60 PEAK FLOW RATE QFS) AT CONFLUENCE - 5.07 •!f•if••lE••ie••k•k••k•l€••k?••�•ii••ic••i�•#•f�;-ie if•iE•i�•k•if•iF•iE•ii•#•ie••ii•iF#•i�••ii••kai•if••}E••!E•it•li••IF••if••k•lt••!f••lE•di••lE•#-•it••)f•#�i••lFdf•�F•iE••k•Yc•k�Xr•lE-•!4••1F�•)E••t�••1E�•kii•iF•3E•Yr•k•le••iF••k•k• . .. FLOW PROCESS FROM NODE 190.00 TO NODE 190.00 Q COBE 7 ---------------------------------------------------------------------------- ) i ? r ) vS.-f[ J:-L:1_•:.f'sCU HY),i'.^:i..1L'vGY s''t\ii-vRM,-aT,[ON AT NVDG t l < l . jSER-SPECIFIED •.1-1L:.lEJ ARE AS FOLLOWS: i - TC(MIN) Cis.P1 - 1S.71RAIN .v ENwT Y t I4CHi HOtRj : c cifEC?.VE AREA(ACRES) 6.1-2 Oi!L PR A(AC'ES) = 6.72 T=}K 'LOW RATE(CFS) L . 9! rJrrrOZD LOSS RATE, Fm (ZN/HR) = .485 ***ERROR; SPECI.;'-IED LOSS Rr"•: Ej FM IS LESS THA;`ti; MINIMUff; i POSSIBLE VALUE OF . 49 (INCHES / HOUR ) is #:•di••kyE••tr•k •�'••3�:•�•}�: ii•dE•is'••Z`•D:••Y:••3N•3•dE#i: �ii••Ic•if••Yc•!F•1E•di•iFjf••!E•ii••k•ii•dFiedE•ii••iE••lFii••1E••if•9t••1F9i•iE#•;fai•�iE�••�•lF9FiF•lfie••!E•x-#iiF•1¢•icarisdc••iF#•xar?� •!F FLOW PROCESS FROM NODE 190.00 T O NODE 134 . ZO IS CODE - ? ) ;) > ! DESIGNA 3 E 1NDEPENDENT STREAM FOR CO FLUENCE < < (( ( } ; : AND COMPUTE VARIOUS C ONFLUENCED STREAM VALUES < < < < < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: > .-lIE OF C OINCENTRATION (MINUTES) = 15.71 RAINFALL INTENSITY t % NCH. /HOUR) = 3.28 EFFECTIVE STREAK{ AREA(ACRES) = $.72 TOTAL STREAM AREA(ACRES) = 8.72 PEAK ;=LOW RATE(CFS) AT CONFLUENCE -• 21.97 CONFLUENCE INFLRMYTIONr STREAM i'+-sEAK FLOW T I SEE INTENSITY F M EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA (ACRES) ---------------------------------------------------------------- S. 07 13.37 & S1S .10 1.60 a 21.97 15.71 3.285 .49 6.72 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. S Uh'i'rARY RE SUL'I S -. 8'11"REAM M CONS=LUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 2s. olzlS.02 S 26.56 10.32 ;:.:CO.;+iPUTE'u CONFLUENCE ESTIMATES ARE AS FOLLOWS: A-1 .-LOW R -17E (C S) = 26.56 TIME(MINUTES) - 15. 710 E.pPPE , : VE AREA(ACRES) ... 10.32 . TOTAL AL AREA (f Ii RES) = 10.32 END OF E'..,;LY SUM!YiARY. TtOTAL f-ittEX Y1CRES) -- 10. 3z-- EFFECTIVE AREA(ACRES) - 10.32 PEAK FLOW RATE(CFS) - 26.56 L`I'D OF RATIONAL METHOD ANALYSIS - --- -- -- ---- l -; �••ff•�•�-•�-�: �•�; •�•�•�•� •;~••��:-•�.-�•��••�••� a�••�•x•�:•�: a��i•�•t�•�•�•��••�•�••��•a�-x•ar•�••�•k•���•a�a�••��: •x••�•�••�•�•it•a�•�;•>F•��••�e •��••fi•�•�•x •x••:i •>t•��:••�•�:••� •� �••3: RATIONAL METHOD HYDROLOGY COMPUTER PROGKt=i;M t=`F;` t4:>^:5E wefer'eY cet 1966 SAN BERltif• RDINO CO. HYDROLOGY CRITERION) i_:ou`r'Y"'l.''nt 1983. v: 6 67 i-1CJvGSYtced Engineering So'i'tw re Ver. A.10 Release Date: 5/11/87 Serial 4 1009 08 Especially prepared for: HALL & FOREMAN DESCRIPTIONDESCRIPTIONOF• STUDY Bf �a�#�>r�>r�•�#�>f:�#���xtr ti��� >r�� •►. 1 25 YR 'k VN' !2/30/ 68 k: :�• •k ti`+•*tic •!i•tii• •�• tic• # •){• # •R••3f• # # •it• fi• 4c• 9E # iF # 9l• ti!• •iE•)E• tic• iE •)i••it ai• •fi•if• # •R••k #• •it•ti@•k• 9f• •ii• •k• •14• •k tiE•!f• ii• •R• •x• # # # ai-# -li• # •#•.�. ti6 # til• it •k -•ti• •3a tir •Sf• # •JE• •iE• ti;• .:ME/iA7E OF STUDY: 14:22 1/30/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: --*TIME-OF-CONCENTRATION MODEL*-- L';:ER SPECIFIED STORM EVENT(YEAR) _ 25.00 SPECIFIED ...::D MINt+iUht PIPE SIZE(INCH) = 1S.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .05; *USE R—DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10—YEAR STORM 60—MINUTE i N i•ENS I TY (I NCH/HOUR) = .96Q71 10Z -YEAR STORM 60—MINUTE INTENSITY( INCH/HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 I -HOUR INTENSITY ( INCH/HOUR) = !.1520 SLOPE i,P OF Iiti7 NSITY DURATION CURVE = .6000 •1"••A:•7••;•••ti••tt3: •t•#ie••Yi••i'c#•1E••fi••1¢•tic•3f•-7E••Yc•ir•}c•tildt••it•ic•-1t••!c••lc••#i••1+••!F•it•til•dt'li'•if•dFtir•itdFtiftitdi••)t•'f'•ic•-k•iP•ii••1f•tiE�F•1F•!!•4i'•)c••Y•9f•iF•le•ti?#•#•ti<: dr*•)!'#tiF'r.•tic'#tir•k•Sc• i= ZOW PROCESS FROM NODE 190.00 TO NODE 190.00 IS CODE = -7 ---------------------------------------------------------------------------- 1)) i : i_i`._:E R SPECIFIED HYDROLOGY INFORMATION AT NODE < < (< < USER-SPECIFIED ` ALJES ARE AS FOLLOWS-. s•t.:(MIN) = 13.44 RAIN INTENSITY(INCH/HCUR) = E.63 EFFECTIVE AREA4ACRES) t 3T _ L AREA(ACRES) — 1.60 PEAK FLOW RATE(CPS) -- 3.913 A'v2RA>C:ED LOSS RATE, Fm ( Iii/ Hit) — .097 ***ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSS18LE VALUE OF . 10 ( INCHES/HOUR) •r••k •�• •>• � •ir-fi•?� •#:• •IF• til• tiF tif• •IE• •k •A• •k •ii• �E• i• if• •�• �• •)E• •k •1r •R•tir #•3e• aF •lF•x• # •if•tii••li•9t•dF #�• ii• tit•di••!E dF •1@ ii• •li•9E• tiN tiF 9F• •k• tirdc••�•iFdf• •iE •k til•%iF •3i•dr •k tib •IE• •li•di• •IF• •1E• # ic• •If• FLOW PROCESS FROM NODE 190.00 0 TO NODE 190.00 16 CODE ^ i ------------------------------------------------------------------------------- ) i) r) DESI'GNATE INDEPENDENT STREAM FOR CONFLUENCE < (< < < CONFLU.:.i`tic_.'E VALUES USED FOR INDEPENDENT PENDENT STREAM 1 ARE: TIME OF CONCE:N T RATIONIMINUTES) - 13.44 RAINFALL INTENSITY ?INCH./HOUR) 2.63 EFFECTIVE STREAM AREAIACREmoi) - 1.60 O'"•r•`L STREAM AREA (ACRES) = 1.60 PEAK i . Lf,: W r• ATE (CFS) AT CONFLUENCE - W 9 3 .�..�'.�.-J�..�..k..�;..J{..jE. �..j(..�.3t•li• •!t-# jf'•lF�Ii••1E•'lf' •IF �F• •1F�it �..�k .�k..)f")!.3E"�ldl"�F'1f•�F•lf"I!'.�..�'.�(."�. �..�'.�'k.it.�l'�E..jF'�F.j(..�"14.'*.'lf. jE.1F.h..�'.�('.�.�.�.x..�..�..h")f '# •i!d!.'�'�!"k..� FLOW PROCESS FROM NODE 1911-41.1-4114-1 TO NODE 190.00 IS COLE = 7 ----------- -------------- ))))) USER SPECIFIED rHYDROLOGY INFORMATION AT MODE (((( < j USER-SPECIFIED VALUES ARE AS FOLLOWS TC(MIN) .15.61 RAIN IN7'ENSITY(INCH/HOUR) =FFEC71 VE P REA (ACRES) = 8. 72 � L f TOTAL AREA (ACRES) = S. 7S: PEAK FLOW RATE (CFS) - S. isVERASED LCBS RATE, Frn(.N/HR) = .485 '�:••if•#•Y•��7rit•dr�ir••!r#iE••lF#•li••lF-IF•#•�•k9c9rdi•�if•iE••iF•k•ir-�i•iE•��e'•IF•lr•iF•ii••iE•lf•�)f•iF•kdF•ti•')Fif'•1r•!4•iF�E��e••�•9F•li•iEiF•lt•k••!E•le•�E'#i•dF•k•3��e••k•�'-?: •3i ���'�: �'� •}� FLOW PROCESS FROM NODE 1`2).00 TO NODE 190.00 IS CODE >)))) DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE < ((( < ) )))) AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES < (< < ( O!�;F'LUE:NCc VALUES USED FOR INDEPENDENTSTREAM2 - ARE. 4 'IME OF CONCENT RATION ,.MINUTES) = 15.81 RAINFALL Ii'd'i'EN.SITY ( INCH. /HOUR) - 2.56 EFFECTIVE STREAM AREA (ACRES) =• S. 72 i OTAL STREAM AREA (ACRES) = 8.72 PEAK FLOW RAT E ( CFS) AT CONFLUENCE = 16.32 C.tO:N Lc. ENE -1Z I N ORMAT I ON i BI-RE',=_I'i "`Et=K F_* 0W TIME INTENSITY Fh1 EFFECTIVE NUi48ER ;R► *l`E (CFS) ____l --- _1_.._. _...3. (MIN.) (INCH/HOUR) GN/HR) AREA (ACRES) ` 93-----------13.44-----------2.827 -- .10------------1. 60- 5 16.35 15.81 5.564 .49 8.72 RAINFALL I NTENIS I TY AND TIME OF' Col',,fCTvNT%(A'f' l ON RATIO CONcr! UEN'-*E FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: 1 STREAm CONFLUENCE EFFECTIVE: 1114U;Y8ER 01 (CFS) AREA (ACRES) Y;'—'`iv" ED CONS' UENC:E ESTIMATES ARE AS FOLLOWS. - i -"--LOW RAT;= :CPS) = .9. 87 TIME (MINUTES) - 15. 8iflt EFF EC -':C VE AREA(ACRES) - 10.32 AREA(A 4:.. 32 END OF STUDY SUMMARY 'U T AL AREA(ACRES) _ 0. 1-3�i .EFFEECTIVE APEA(ACRES) 10. 32 PEAK, FLOW RA-:7E(CFS) END OF RA i CNAL ME f HIOD ANAILYS i S-- srrrst�YerrstYrs'tYr�rsCsY�k�c��k9k�IF�c�Yat4c�'rst�c�k�'cic�ric�Y�k�e�YsF�t9F3e�IFik9F�r�tir��k�kici��k�k4r*�t�isk�k3F�Ir4t�k�Y�llrk�Fk�k*�kiedr�It�Y RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ****************** DESCRIPTION OF STUDY EAST VILLAGE HYDROLOGY, C.B CONFLUENCE CALCS C.B #D302, Q 100 YR * VN, 11/22/88, FILE NAME: EVCBD302.DAT TIME/DATE OF STUDY: 16:12 12/23/1988 ------------------------------------------ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ------------------------ --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 100 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 :IMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 FLOW PROCESS FROM NODE 408.20 TO NODE 408.20 IS CODE = 7 ----------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.88 RAIN INTENSITY(INCH/HOUR) = 3.54 40TAL FFECTIVE AREA(ACRES) = 5.80 AREA(ACRES) = 5.80 PEAK FLOW RATE(CFS) = 11.94 AVERAGED LOSS RATE, FM(IN/HR) _ .486 ***ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF 1.25(INCHES/HOUR) FLOW PROCESS FROM NODE 408.20 TO NODE 408.20 IS CODE = 1 --------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< INFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: `AIME OF CONCENTRATION(MINUTES) = 13.88 RAINFALL INTENSITY (INCH./HOUR) = 3.54 EFFECTIVE STREAM AREA(ACRES) = 5.80 TOTAL STREAM AREA(ACRES) = 5.80 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.94 SOW PROCESS FROM NODE 408.20 TO NODE 408.20 IS CODE = 7 ------------------------------------------ »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< �USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 11.93 RAIN INTENSITY(INCH/HOUR) = 3.87 EFFECTIVE AREA(ACRES) = 6.48 TOTAL AREA(ACRES) = 6.48 PEAK FLOW RATE(CFS) = 14.88 AVERAGED LOSS RATE, Fm(IN/HR) _ .486 ***ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF 1.32(INCHES/HOUR) **************************************************************************** FLOW PROCESS FROM NODE 408.20 TO NODE 408.20 IS CODE = 1 -------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.93 RAINFALL INTENSITY (INCH./HOUR) = 3.87 EFFECTIVE STREAM AREA(ACRES) = 6.48 TOTAL STREAM AREA(ACRES) = 6.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.88 3NFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) -------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 11.94 13.88 3.538 .49 5.80 2 14.88 11.93 3.875 .49 6.48 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 25.34 12.28 2 26.27 11.47 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 26.27 TIME(MINUTES) = 11.930 EFFECTIVE AREA(ACRES) = 11.47 TOTAL AREA(ACRES) = 12.28 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 12.28 EFFECTIVE AREA(ACRES) = 11.47 PEAK FLOW RATE(CFS) = 26.27 -------------------=----- (_ TD OF RATIONAL METHOD ANALYSIS RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN ************************* DESCRIPTION OF STUDY *********************** EAST VILLAGE HYDROLOGY C.B CONFLUENCE CALCS C.B #D302 * Q 25 YR, VN, 11/22/88 FILE NAME: EVCBD302.DAT TIME/DATE OF STUDY: 16: 9 12/23/1988 ----------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------- --*TIME-OF-CONCENTRATION MODEL* -- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER -DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) _ .980 °00 -YEAR STORM 60 -MINUTE INTENSITY(INCH/HOUR) = 1.470 JMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH/HOUR) = 1.1520 SLOPE OF INTENSITY DURATION CURVE _ .6000 FLOW PROCESS FROM NODE 408.20 TO NODE 408.20 IS CODE = 7 ------------------------------------------------------------------------- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ------------------------------------------ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.88 RAIN INTENSITY(INCH/HOUR) = 2.77 FFECTIVE AREA(ACRES) = 5.80 EFFECTIVE AREA(ACRES) = 5.80 PEAK FLOW RATE(CFS) = 11.94 AVERAGED LOSS RATE, FM(IN/HR) _ .486 **************************************************************************** FLOW PROCESS FROM NODE 408.20 TO NODE 408.20 IS CODE = 1 ----------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.88 \INFALL INTENSITY (INCH./HOUR) = 2.77 LFFECTIVE STREAM AREA(ACRES) = 5.80 TOTAL STREAM AREA(ACRES) = 5.80 PEAK FLOW RATE(CFS) AT CONFLUENCE = 11.94 • tst���*yF��������**x��*�*�**����*��***�*st�st���cst��st��**iC*�*����*��h��r�s4**���*� FLOW PROCESS FROM NODE 408.20 TO NODE 408.20 IS CODE = 7 ------------------------------------- >>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< --------------------------____________________ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 11.93 RAIN INTENSITY(INCH/HOUR) = 3.04 EFFECTIVE AREA(ACRES) = 6.48 TOTAL AREA(ACRES) = 6.48 PEAK FLOW RATE(CFS) = 14.88 AVERAGED LOSS RATE, Fm(IN/HR) = .486 FLOW PROCESS FROM NODE 408.20 TO NODE 408.20 IS CODE = 1 ----------------------- ----------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ------------------------------___________________ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.93 RAINFALL INTENSITY (INCH./HOUR) = 3.04 EFFECTIVE STREAM AREA(ACRES) = 6.48 TOTAL STREAM AREA(ACRES) = 6.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.88 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER ---------------------------------------------------------- RATE(CFS) -------------------------------------------------- (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 11.94 11.94 13.88 2.773 .49 5.80 2 14.88 11.93 3.036 .49 6.48 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) --------------------------------------------- 1 25.28 12.28 2 26.33 11.47 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 26.33 TIME(MINUTES) = 11.930 FFECTIVE AREA(ACRES) = 11.47 EFFECTIVE AREA(ACRES) = 12.28 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 12.28 EFFECTIVE AREA(ACRES) = 11.47 PEAK FLOW RATE(CFS) = 26.33 END OF RATIONAL METHOD ANALYSIS