14-020_TentPUD_StmDes Type IA 24-hr WQ Rainfall=1.40" <br />Prepared by Microsoft Printed 2/18/2017 <br />HydroCADO 10.00-16 s/n 09344 @2015 HydroCAD Software Solutions LLC Page 19 <br />Volume Invert Avail.Storage Storage Description <br />#1 880.00' 163 cf Custom Stage Data (Prismatic) Listed below (Recalc) <br />Elevation Surf.Area Inc.Store Cum.Store <br />(feet) (sq-ft) (cubic-feet) (cubic-feet) <br />880.00 32 0 0 <br />885.10 32 163 163 <br />Device Routing Invert Outlet Devices <br />#1 Primary 880.30' 8.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 880.30'/ 879.90' S= 0.02007' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />#2 Device 1 880.30' 1.9" Horiz. Orifice/Grate C=0.600 Limited to weir flow at low heads <br />#3 Device 1 884.80' 8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />Primary OutFlow Max=0.04 cfs @ 8.11 hrs HW=880.50' (Free Discharge) <br />t-1=Culvert (Passes 0.04 cfs of 0.14 cfs potential flow) <br />~__3=Orif 2=Orif ice/Grate (Orifice Controls 0.04 cfs @ 2.18 fps) <br />ice/Grate ( Controls 0.00 cfs) <br />Summary for Pond S2: 816 FOR 10 YEAR <br />Inflow Area = 0.458 ac, 19.28% Impervious, Inflow Depth = 0.40" for WQ event <br />Inflow = 0.03 cfs @ 8.00 hrs, Volume= 0.015 of <br />Outflow = 0.02 cfs @ 8.25 hrs, Volume= 0.015 af, Atten= 36%, Lag= 15.1 min <br />Primary = 0.02 cfs @ 8.25 hrs, Volume= 0.015 of <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Peak Elev= 880.00' @ 8.25 hrs Surf.Area= 134 sf Storage= 30 cf <br />Plug-Flow detention time= 17.1 min calculated for 0.015 of (100% of inflow) <br />Center-of-Mass det. time= 17.1 min ( 830.6 - 813.5 ) <br />Volume Invert Avail.Storage Storage Description <br />#1 879.77' 871 cf Custom Stage Data (Prismatic) Listed below (Recalc) <br />Elevation Surf.Area Inc.Store Cum.Store <br />(feet) (sq-ft) (cubic-feet) (cubic-feet) <br />879.77 134 0 0 <br />886.27 134 871 871 <br />Device Routing Invert Outlet Devices <br />#1 Primary 879.77' 8.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet /Outlet Invert= 879.77'/ 879.37' S=0.0200'/' Cc= 0.900 <br />n=0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />#2 Device 1 879.77' 1.2" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#3 Device 1 885.77' 8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />