14-020_TentPUD_Completeness_2017-0807_PostDev Type IA 24-hr 10 yr Rainfall=4.46" <br />Prepared by Microsoft Printed 8/11/2017 <br />HydroCADO 10.00-16 s/n 09344 © 2015 HydroCAD Software Solutions LLC Page 16 <br />Elevation Surf.Area Inc.Store Cum.Store <br />(feet) (sq-ft) (cubic-feet) (cubic-feet) <br />874.12 134 0 0 <br />880.62 134 871 871 <br />Device Routing Invert Outlet Devices <br />#1 Primary 874.12' 8.0" Round Culvert <br />L= 45.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 874.12'/ 873.22' S= 0.02007' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />#2 Device 1 874.12' 1.4" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#3 Device 1 880.12' 8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />Primary OutFlow Max=0.12 cfs @ 9.15 hrs HW=880.13' TW=875.79' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.12 cfs of 3.41 cfs potential flow) <br />~2=Orif i ce/G rate (Orifice Controls 0.11 cfs @ 10.04 fps) <br />3=Orifice/Grate (Weir Controls 0.01 cfs @ 0.39 fps) <br />Summary for Pond S4: 816 FOR 10 YEAR <br />Inflow Area = 0.277 ac, 38.64% Impervious, Inflow Depth = 3.07" for 10 yr event <br />Inflow = 0.20 cfs @ 7.96 hrs, Volume= 0.071 of <br />Outflow = 0.05 cfs @ 10.26 hrs, Volume= 0.071 af, Atten= 75%, Lag= 138.1 min <br />Primary = 0.05 cfs @ 10.26 hrs, Volume= 0.071 of <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Peak Elev= 885.40' @ 10.26 hrs Surf.Area= 134 sf Storage= 719 cf <br />Plug-Flow detention time= 187.2 min calculated for 0.071 of (100% of inflow) <br />Center-of-Mass det. time= 187.2 min ( 911.1 - 723.9 ) <br />Volume Invert Avail.Storage Storage Description <br />#1 880.04' 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 />880.04 134 0 0 <br />886.54 134 871 871 <br />Device Routing Invert Outlet Devices <br />#1 Primary 880.04' 8.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 880.04'/ 879.64' S= 0.02007' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />#2 Device 1 880.04' 0.9" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#3 Device 1 886.04' 8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />Primary OutFlow Max=0.05 cfs @ 10.26 hrs HW=885.40' TW=876.50' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.05 cfs of 3.77 cfs potential flow) <br />~2=Orif i ce/G rate (Orifice Controls 0.05 cfs @ 11.15 fps) <br />3=Orifice/Grate ( Controls 0.00 cfs) <br />