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b7 � 2 <br /> 160478 HydroCAD MSE 24-hr 3 10-Year Rainfall=4.26" <br /> Prepared by Microsoft Printed 6/1/2017 <br /> HydroCAD�10.00-20 s/n 03113 O 2017 HydroCAD Software Solutions LLC Paqe 3 <br /> Volume Invert Avail.Storage Storage Description <br /> #1 967.80' 137 cf Custom Stage Data (Prismatic�isted below(Recalc) <br /> Elevation Surf.Area Inc.Store Cum.Store <br /> (feet) (sq-ft) (cubic-feet) (cubic-feet) <br /> 967.80 0 0 0 <br /> 968.00 35 4 4 <br /> 968.80 300 134 137 <br /> Device Routing Invert Outlet Devices <br /> #1 Device 2 967.80' 0.4"x 3.0" Horiz. Orifice/Grate X 45.00 C= 0.600 <br /> Limited to weir flow at low heads <br /> #2 Primary 967.80' 8.0" Round Culvert <br /> L= 70.0' CPP, square edge headwall, Ke=0.500 <br /> Inlet/Outlet Invert= 967.80'/966.92' S= 0.0126'/' Cc= 0.900 <br /> n= 0.013 Corrugated PE, smooth interior, Flow Area=0.35 sf <br /> Primary OutFlow Max=0.27 cfs � 12.14 hrs HW=968.09' (Free Discharge) <br /> t�Culvert (Inlet Controls 0.27 cfs @ 1.84 fps) <br /> 1=0rifice/Grate (Passes 0.27 cfs of 0.98 cfs potential flow) <br /> Summary for Pond 4P: SW Depression <br /> Inflow Area= 0.100 ac, 10.00% Impervious, Inflow Depth > 1.78" for 10-Year event <br /> Inflow = 0.34 cfs @ 12.12 hrs, Volume= 0.015 af <br /> Outflow = 0.34 cfs @ 12.14 hrs, Volume= 0.015 af, Atten= 1%, Lag= 0.9 min <br /> Primary = 0.34 cfs @ 12.14 hrs, Volume= 0.015 af <br /> Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs <br /> Peak Elev= 968.13'@ 12.14 hrs Surf.Area= 77 sf Storage= 11 cf <br /> Plug-Flow detention time=0.5 min calculated for 0.015 af(100% of inflow) <br /> Center-of-Mass det. time=0.4 min ( 790.1 -789.8) <br /> Volume Invert Avail.Storage Storage Description <br /> #1 967.80' 131 cf Custom Stage Data(Prismatic�isted below(Recalc) <br /> Elevation Surf.Area Inc.Store Cum.Store <br /> (feet) (sq-ft) (cubic-feet) (cubic-feet) <br /> 967.80 0 0 0 <br /> 968.00 35 4 4 <br /> 968.80 285 128 131 <br /> Device Routing Invert Outlet Devices <br /> #1 Device 2 967.80' 0.4"x 3.0" Horiz. Orifice/Grate X 45.00 C= 0.600 <br /> Limited to weir flow at low heads <br /> #2 Primary 967.80' 8.0" Round Culvert <br /> L= 70.0' CPP, square edge headwall, Ke= 0.500 <br /> Inlet/Outlet Invert= 967.80'/966.92' S= 0.0126'/' Cc= 0.900 <br /> n= 0.013 Corrugated PE, smooth interior, Flow Area=0.35 sf <br />