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 18 <br />Volume <br />Invert <br />Avail.Storage Storage Description <br />#1 <br />870.80' <br />871 cf Custom Stage Data (Prismatic) Listed below (Recalc) <br />Elevation Surf.Area <br />Inc.Store Cum.Store <br />(feet <br />) <br />(sq-ft) <br />(cubic-feet) (cubic-feet) <br />870.80 <br />134 <br />0 0 <br />877.30 <br />134 <br />871 871 <br />Device <br />Routing <br />Invert <br />Outlet Devices <br />#1 <br />Primary <br />870.80' <br />8.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 870.80'/ 870.40' S= 0.02007' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />#2 <br />Secondary <br />870.80' <br />8.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 870.80'/ 870.40' S= 0.02007' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />#3 <br />Device 1 <br />870.80' <br />1.6" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#4 <br />Device 2 <br />870.80' <br />1.6" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#5 <br />Device 1 <br />876.80' <br />8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#6 <br />Device 2 <br />876.80' <br />8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />Primary OutFlow Max=0.16 cfs @ 10.62 hrs HW=876.51' TW=800.02' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.16 cfs of 3.90 cfs potential flow) <br />3=Orifice/Grate (Orifice Controls 0.16 cfs @ 11.50 fps) <br />=Orifice/Grate ( Controls 0.00 cfs) <br />Secondary OutFlow Max=0.16 cfs @ 10.62 hrs HW=876.51' TW=800.02' (Dynamic Tailwater) <br />L2=Culvert (Passes 0.16 cfs of 3.90 cfs potential flow) <br />Orifice/Grate (Orifice Controls 0.16 cfs @ 11.50 fps) <br />~__:=Orif ( Controls 0.00 cfs) <br />Summary for Pond S7: 776 FOR 10 YEAR <br />Inflow Area = 0.155 ac, 47.78% Impervious, Inflow Depth = 3.24" for 10 yr event <br />Inflow = 0.12 cfs @ 7.91 hrs, Volume= 0.042 of <br />Outflow = 0.07 cfs @ 8.23 hrs, Volume= 0.042 af, Atten= 43%, Lag= 19.4 min <br />Primary = 0.07 cfs @ 8.23 hrs, Volume= 0.042 of <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Peak Elev= 897.01' @ 8.23 hrs Surf.Area= 32 sf Storage= 152 cf <br />Plug-Flow detention time= 16.8 min calculated for 0.042 of (100% of inflow) <br />Center-of-Mass det. time= 16.7 min ( 725.0 - 708.3) <br />Volume Invert Avail.Storage Storage Description <br />#1 892.25' 163 cf Custom Stage Data (Prismatic) Listed below (Recalc) <br />