J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr 2 yr Rainfall=3.42" Post Development West Orange B_03 01 12 Printed 3/14/2012 Page 18 Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-B: MH-B to MH-C [57] Hint: Peaked at 599.15' (Flood elevation advised) Inflow Area = = Inflow = Outflow Primary = 1.209 ac, 37.17% Impervious, Inflow Depth = 2.41" for 2 yr event 0.243 af Volume= 2.45 cfs @ 12.20 hrs, Atten= 0%, Lag= 0.0 min 0.243 af, Volume= 2.45 cfs@ 12.20 hrs, 0.243 af Volume= 2.45 cfs @ 12.20 hrs, Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 599.15' @ 12.20 hrs Device Routing Primary #1 Invert Outlet Devices 598.00' 12.0" Round Culvert L= 92.0' Ke= 0.500 Inlet / Outlet lnvert= 598.00' / 597.00' S= 0.0109 ’/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=2.45 cfs @ 12.20 hrs HW=599.14' TW=597.91' (Dynamic Tailwater) 1=Culvert (Outlet Controls 2.45 cfs @ 3.41 fps) Pond MH-B: MH-B to MH-C Hydrograph ------i 2AFl.cI | 2.45 cfs P ■ Inflow | U Primary | Inflow Area=1.209 ac Peak Elev=599.15* 12.0 Round Culvert n=0.020 11=92.0' 5=0.0109 V i1 2 i i i i i 0- t 0 dtmmm mem 1 234567 7s. jnriHiiiHirr|liii|liii|tiii|)iii|>iii|<iiihiii|tiii|tiiirnii|tiii|iiii|<ni|tin|»n'i|^ 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) %