J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange B_03 01 12 Prepared byTRC Engineers, Inc. Type III 24-hr 100 yr Rainfall=8.72" Printed 3/14/2012 Page 49 HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-2: MH-2 to MH-3 [57] Hint: Peaked at 631.11' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 0.916 ac, 24.39% Impervious, Inflow Depth = 6.74" for 100 yr event 5.85 cfs @ 12.15 hrs, Volume= 0.515 af 5.85 cfs@ 12.15 hrs, Volume= 0.515 af, Atten= 0%, Lag3 0.0 min 5.85cfs@ 12.15 hrs, Volume= 0.515af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 631.11'@ 12.14 hrs Device Routing #1 Primary Invert Outlet Devices 604.00' 12.0" Round Culvert L= 34.0’ Ke= 0.500 Inlet / Outlet Invert3 604.00' / 603.20’ S3 0.0235 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=5.88 cfs @ 12.15 hrs HW=631.01' TW=627.50' (Dynamic Tailwater) 1=Culvert (Outlet Controls 5.88 cfs @ 7.49 fps) Pond MH-2: MH-2 to MH-3 Hydrograph Rfi.r.fsJ 5.85 cfs — Inflow Area=0.916 ac Peak Elev=631.11' 12 •.0i i"i Round Culvert n=0.020 1=34.0' S=0.0235 V t _ . _ O3 01 2 3 45 6 7 i i I ------------------------1 % I Inflow I Primary - f - -t —i — i— r I i - I I 4 ---------- 1 ____________I -------------------i -------------------i t t 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours) _ j - j --------------------- ---------------