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MSE 24-hr 3 Rainfall=4.24"10-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=0.65 cfs @ 12.11 hrs HW=943.01' TW=940.31' (Dynamic Tailwater) 1=Culvert (Inlet Controls 0.65 cfs @ 2.17 fps) Summary for Pond CB2: Inflow Area = 0.373 ac, 85.25% Impervious, Inflow Depth > 3.74" Inflow = 2.16 cfs @ 12.11 hrs, Volume= 0.116 af Outflow = 2.16 cfs @ 12.11 hrs, Volume= 0.116 af, Atten= 0%, Lag= 0.0 min Primary = 2.16 cfs @ 12.11 hrs, Volume= 0.116 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 940.33' @ 12.11 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=2.09 cfs @ 12.11 hrs HW=940.31' TW=938.52' (Dynamic Tailwater) 1=Culvert (Inlet Controls 2.09 cfs @ 3.07 fps) Summary for Pond FB1: Inflow Area = 0.647 ac, 70.48% Impervious, Inflow Depth > 3.48" Inflow = 3.58 cfs @ 12.12 hrs, Volume= 0.188 af Outflow = 0.65 cfs @ 12.43 hrs, Volume= 0.105 af, Atten= 82%, Lag= 18.6 min Primary = 0.65 cfs @ 12.43 hrs, Volume= 0.105 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 939.19' @ 12.43 hrs Surf.Area= 0.050 ac Storage= 0.107 af Plug-Flow detention time= 195.8 min calculated for 0.105 af (56% of inflow) Center-of-Mass det. time= 112.8 min ( 870.4 - 757.6 ) Volume Invert Avail.Storage Storage Description #1 935.80' 0.221 af Custom Stage Data (Prismatic) Listed below (Recalc) 113