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MSE 24-hr 3 Rainfall=2.83"2-Yr Proposed Prepared by Schultz Engineering And Site Design Page 15HydroCAD® 10.10-4b s/n 11475 © 2020 HydroCAD Software Solutions LLC L= 174.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 942.60' / 939.50' S= 0.0178 '/' Cc= 0.900 n= 0.012, Flow Area= 0.79 sf Primary OutFlow Max=0.40 cfs @ 12.11 hrs HW=942.91' TW=940.12' (Dynamic Tailwater) 1=Culvert (Inlet Controls 0.40 cfs @ 1.90 fps) Summary for Pond CB2: Inflow Area = 0.373 ac, 85.25% Impervious, Inflow Depth > 2.38" Inflow = 1.42 cfs @ 12.12 hrs, Volume= 0.074 af Outflow = 1.42 cfs @ 12.12 hrs, Volume= 0.074 af, Atten= 0%, Lag= 0.0 min Primary = 1.42 cfs @ 12.12 hrs, Volume= 0.074 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 940.13' @ 12.12 hrs Device Routing Invert Outlet Devices #1 Primary 939.50'12.0" Round Culvert L= 42.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 939.50' / 938.80' S= 0.0167 '/' Cc= 0.900 n= 0.012, Flow Area= 0.79 sf Primary OutFlow Max=1.37 cfs @ 12.12 hrs HW=940.12' TW=937.67' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.37 cfs @ 2.68 fps) Summary for Pond FB1: Inflow Area = 0.647 ac, 70.48% Impervious, Inflow Depth > 2.16" Inflow = 2.27 cfs @ 12.12 hrs, Volume= 0.117 af Outflow = 0.04 cfs @ 15.14 hrs, Volume= 0.043 af, Atten= 98%, Lag= 181.5 min Primary = 0.04 cfs @ 15.14 hrs, Volume= 0.043 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 938.74' @ 15.14 hrs Surf.Area= 0.045 ac Storage= 0.086 af Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 213.3 min ( 976.4 - 763.2 ) Volume Invert Avail.Storage Storage Description #1 935.80' 0.221 af Custom Stage Data (Prismatic) Listed below (Recalc) 97