14-020_TentPUD_Completeness_2017-0807_PostDev Type IA 24-hr WO Rainfall=1.40" <br />Prepared by Microsoft Printed 8/11/2017 <br />HydroCADO 10.00-16 s/n 09344 © 2015 HydroCAD Software Solutions LLC Page 33 <br />Device <br />Routing <br />Invert <br />Outlet Devices <br />#1 <br />Primary <br />886.40' <br />12.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 886.40'/ 886.23' S= 0.00857' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf <br />#2 <br />Device 1 <br />886.40' <br />2.4" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#3 <br />Device 1 <br />888.20' <br />8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />Primary OutFlow Max=0.06 cfs @ 8.28 hrs HW=886.55' TW=886.31' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.06 cfs of 0.09 cfs potential flow) <br />~__3=Orif 2=Orif ice/Grate (Orifice Controls 0.06 cfs @ 1.86 fps) <br />ice/Grate ( Controls 0.00 cfs) <br />Summary for Pond S11: Underground Tank <br />6,000 Gallon Tank <br />18'L x 8'W x 7D <br />Inflow Area = 0.915 ac, 15.16% Impervious, Inflow Depth = 0.38" for WO event <br />Inflow = 0.05 cfs @ 8.00 hrs, Volume= 0.029 of <br />Outflow = 0.05 cfs @ 8.06 hrs, Volume= 0.029 af, Atten= 10%, Lag= 3.6 min <br />Primary = 0.05 cfs @ 8.06 hrs, Volume= 0.029 of <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Peak Elev= 880.16' @ 8.06 hrs Surf.Area= 144 sf Storage= 19 cf <br />Plug-Flow detention time= 10.0 min calculated for 0.029 of (100% of inflow) <br />Center-of-Mass det. time= 9.9 min ( 841.1 - 831.2 ) <br />Volume Invert Avail.Storage Storage Description <br />#1 880.03' 936 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 />880.03 144 0 0 <br />886.53 144 936 936 <br />Device Routing Invert Outlet Devices <br />#1 Primary 880.03' 8.0" Round Culvert <br />L= 20.0' CMP, square edge headwall, Ke= 0.500 <br />Inlet / Outlet Invert= 880.03'/ 879.63' S= 0.02007' Cc= 0.900 <br />n= 0.010 PVC, smooth interior, Flow Area= 0.35 sf <br />#2 Device 1 880.03' 2.2" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#3 Device 1 886.03' 8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />Primary OutFlow Max=0.05 cfs @ 8.06 hrs HW=880.16' TW=878.20' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.05 cfs of 0.06 cfs potential flow) <br />~2=Orif i ce/G rate (Orifice Controls 0.05 cfs @ 1.76 fps) <br />3=Orifice/Grate ( Controls 0.00 cfs) <br />