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HomeMy WebLinkAboutTract 13694 Hydrology Study Vol 2 of 2 _ -- File DSk9:DR25A.OUT[216,0] printed on 06-Dec-89 10:58z59 Page 27 ------------_---_--- ----_---------_--------------------------------_-- 1 94-25 18.09 2.109 2 5.59 12.89 2.585 3 3.02 11.60 2.754 4 8.44 11.89 2.713 5 3.76 13.35 2.531 QSMX(1) = +1'000*1.000* 94.3) + .770*1.000* 5.6) + .712*1.000* 3.0) + .710*1.000* 8.4) + .798*1.000* 3.8) = 109.717 OSMX(2) = +1.306* .713* 94.3) +1.000*1.000* 5.6) + .925*1.000* 3.0) + .939*1.000* 8.4) +1.026* .965* 3.8) = 107.765 OSMX(3) = +1.415* .641* 94.3) +1.082* .900* 5.6) +1.000*1.000* 3.0) +1.020* .975* 8.4) +1.107* .869* 3.8) = 105.995 OSMX(4) = +1.389* .657* 94.3) +1.062* .922* 5.6) + .982*1.000* 3.0) +1.000*1.000* 8.4) +1.087* .891* 3.8) = 106.574 QSMX(5) = +1.271* .738* 94.3) + .974*1.000* 5.6) + .900*1.000* 3.0) + .913*1.000* 8.4) +1.000*1.000* 3.8) = 108.087 Rainfall intensity and time of concentration used for 5 MAIN streams. Individual stream flow values are: 94.25 5.59 3.02 8.44 3.76 Possible confluenced flow values are: 109.72 107.76 105.99 106.57 108.09 Individual Stream Area values are: 60.00 2.90 1.50 4.50 2.00 Effective Total Area values are: 70.90 53.59 48.71 49.90 55.19 - - ------ Computed confluence estimates are: Runoff(CFS) = 109.72 Tine(min.) = 18.088 1VW8ON : sw -tod WV (1@11 6861 `9 - tagwapaa 'Xepsaupai uo pa4ut -td C0`91c'3100'rlgcda :6 >Sa aTt_ £' -. (C9T) a0 " X Uots-taA Z E /SOWk -tapun 00Lj10 uo 6uzuun.t (80T)1"z uois-tah ldS1dl 11 nnnnnn 000000 11 nnnnnn 000000 it nn nn 00 OC 11 nn nn oo 00 ll on nn 00 00 ii nn nn oo 00 11 nn nn o0 00 11 no no oo 00 11 nn nn 00 00 ii no nn o0 00 11 nn nn o0 00 11 no no 00 00 1111111111 nn nn 000000 1111.111.111 nn nn 000000 siR888s3S6 Sas =aS C.C.c.C.C. C C.c, 88 88 Gamma 888888)38 gSSgSa c:,< c:.c:,i c:,c"::tZZZ 88 88 aaaaaaaa 88 rI >3 a= 4c 88 88 as as r1 RU ry .747 C.C. 88 88 as CC R8 88 a i'i, 88 88 as as r1 rI 8 8 a t. 88 88 a s CC a >3a ofa t:.Gt t' 88888888 as CC 8a4a8a86 :.:3 Z%.C;c', 888` 8888 as as Re RR 23 =aa as L4. 88 88 CC (1a a ama :3411 7 C is as R8 >i 88 as as RR as s ZZ, 88 88 as as RR as a (. 'J`1 88 as as eRli 3aa+3a q ,SW;gSgq c'..[. —c- :Z `3`*R0388 aaaaaaaa -------- 06 11112:13 Page 41 "�^':�H258.OUT[216,0] printed o» Adding Area Flow To Street 25.00 Year computed rainfall intensity = 2.365 In/Hr Decimal Fraction Soil Group A = .000 Decimal Fraction Soil Group B = 1'000 Decimal Fraction Soil Group C = .000 Decimal Fraction Soil Group D = .000 COMMERCIAL subarea type SCS Curve Number for Soil(AMC 2) = 56.0 Pervious ratio(AP) = .100 Max loss rate(FM)= .073(In/Hr) Effective Runoff Coefficient used for area (Q=CIA) is C = ^872 Subarea runoff = 2.469(CFS) for 1.50(Ac.) Total runoff = 4.538(CFS) Total area = 2.20(Ac.) Area averaged FM value = .073(In/Hr) Depth of flow = .349(Ft.) Average Velocity = 2.690(Ft/S) Streetflow Hydraulics at ENDPOINT of street travel Halfstreet Flow Width = 12.71(Ft.) Flow Velocity = 2.65(Ft/S) Depth*Velocity = .92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Process from Point/Station 58.00 to Point/Station 60.00 *** CONFLUENCE OF MINOR STREAMS *** --_- - ----------------------------_----------- _ - ---------------___- 25.00 Year computed rainfall intensity = 2.365 In/Hr ALONG THE MAIN STREAM NUMBER: 2 The flow values used for the stream: 1 are Time of concentration(nin.) = 14.94 Rainfall intensity (in./hr/) = 2.37 Total flow area (Acres) = 2.20 Total runoff (CFS) at confluence point = 4.54 Area averaged loss rate (FM) = .073 Area averaged pervious ratio (AP) = .100 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Process from Point/Station 60.60 to Point/Station 60.20 *** INITIAL AREA EVALUATION *** -_-- _ l Fraction Soil Group A = .000 Decimal Fraction Soil Group B = 1.000 Decimal Fraction Soil Group C = .000 Decimal Fraction Soil Group D = .000 RESIDENTIAL(3 - 4 DU/AC) SCS Curve Number for Soil(AMC 2) = 56.0 Pervious ratio(AP) = .600 Max loss rate(FM)= .440(In/Hr) Subarea is RESIDENTIAL (3 - 4 DU/AC) Initial subarea flow length = 840.00(Ft.) Upstream elevation = 1079.00(Ft.) Downstream elevation = 1052.00(Ft.) Elevation difference = 27.00(Ft.)