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North Ea_llevia Dr~nge Cahxpt Phase <br />#3 Ditch: Analysis of caRribufing stann raroff fran F 51 to Eogkvier Pad <br />Ratia gl (Use C = 0.4 for 8 to C soik, urdevekrped) Offslte <br />Sub- Discharge Area % Ihtp Ekv Ekr la gih Skpe WidtA Tc QS00 Q100 <br />basin Point oc Up Dn ff ff/ft ff nin cfs cfs <br /> (fkwpath) (computed) <br />1 #188 21.10 1.0% 4720.00 4694.00 690 0.0406 1,436 7 73 71 <br />2 #182 14.23 1.0% 4720.00 4694.00 420 0.0619 1,476 5 55 31 <br />3 #180 6.26 0.0% 4720.00 4694.00 320 0.0813 852 5 24 <br />4 #179 528 0.0% 4720.00 4694.00 320 0.0813 719 5 20 <br /> 172 102 <br />XP-SWMM <br />~k Slope <br />ff ff/ft <br />wimh wimp <br />ff ff <br />Ruroff CMfsife <br />ResuM Input <br />Q1ao Q1oo <br />~s ~ <br /> (rheas) (computed (mms) <br />1 #788 21.10 1.0% 4720.00 4694.00 640 0.0406 1,436 1,460 89 71 <br />2 #182 14.23 1.0% 4720.00 4694.00 420 0.0619 1,476 1,450 81 31 <br />3 #180 626 0.0% 4720.00 469400 320 0.0813 852 874 40 <br />4 #179 5.28 O.O% 4720.00 469400 320 0.0813 719 744 34 <br /> 244 102 <br />Note: <br />Ruoff resvhs for sub-basin #1 ihru #4 arc from SWMM model and ore routed into and thro #3 ditch model <br />LNfisite peak Hors are input to model os smmpkfied hybogropks riMr peak at 45 min after start of stor+h <br />( peck time ky taken from Weber West dranroge report for time of concartration far offsite f kws) <br />Sub-basins #1 ihrv #4 correspond to #22, #23, and port of #32 from Lidstane Q Andvsar Comp Plat <br />Camp Plan incWded sb basin #18 and all of #32 as input to #3 Ditch <br />Thou basins +oukl add a fk~r of 125 cfs per Comp Plri detaikd S WMM output data <br />The photos k the folkw6g pages shor the #3 Ditch at the cross section rated urdrr each photo. The kicatiaa of <br />the cross sedans are shorn an both the XP-SWMM mWd schematic ad the CAD dnorig at the erd of this <br />srctian, <br />~ ~ <br />