14-020_TentPUD_StmDes_Completeness_2017-0614 Type IA 24-hr WO Rainfall=1.40" <br />Prepared by Microsoft Printed 6/13/2017 <br />HydroCADO 10.00-16 s/n 09344 © 2015 HydroCAD Software Solutions LLC Page 23 <br />Primary OutFlow Max=0.02 cfs @ 8.22 hrs HW=874.80' TW=874.10' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.02 cfs of 0.25 cfs potential flow) <br />~__3=Orif 2=Orif ice/Grate (Orifice Controls 0.02 cfs @ 2.55 fps) <br />ice/Grate ( Controls 0.00 cfs) <br />Summary for Pond S6: 816 FOR 10 YEAR <br />Inflow Area = 1.774 ac, 23.90% Impervious, Inflow Depth > 0.45" for WO event <br />Inflow = 0.08 cfs @ <br />8.23 hrs, Volume= 0.066 of <br />Outflow = 0.08 cfs @ <br />8.59 hrs, Volume= 0.066 af, Atten= 5%, Lag= 21.3 min <br />Primary = 0.04 cfs @ <br />8.59 hrs, Volume= 0.033 of <br />Secondary = 0.04 cfs @ <br />8.59 hrs, Volume= 0.033 of <br />Routing by Dyn-Stor-Ind method, <br />Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Peak Elev= 871.13' @ 8.59 hrs <br />Surf.Area= 134 sf Storage= 44 cf <br />Plug-Flow detention time= 5.9 mi <br />n calculated for 0.066 of (100% of inflow) <br />Center-of-Mass det. time= 5.9 mi <br />n ( 822.8 - 816.9 ) <br />Volume Invert Avail.Storage Storage Description <br />#1 870.80' 871 cf Custom Stage Data (Prismatic) Listed below (Recalc) <br />Elevation Surf.Area <br />Inc.Store Cum.Store <br />(feet) (sq-ft) <br />(cubic-feet) (cubic-feet) <br />870.80 134 <br />0 0 <br />877.30 134 <br />871 871 <br />Device Routing Invert <br />Outlet Devices <br />#1 Primary 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 Secondary 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 Device 1 870.80' <br />1.6" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#4 Device 2 870.80' <br />1.6" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#5 Device 1 876.80' <br />8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />#6 Device 2 876.80' <br />8.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads <br />Primary OutFlow Max=0.04 cfs @ 8.59 hrs HW=871.13' TW=800.01' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.04 cfs of 0.33 cfs potential flow) <br />3=Orifice/Grate (Orifice Controls 0.04 cfs @ 2.75 fps) <br />=Orifice/Grate ( Controls 0.00 cfs) <br />Secondary OutFlow Max=0.04 cfs @ 8.59 hrs HW=871.13' TW=800.01' (Dynamic Tailwater) <br />L2=Culvert (Passes 0.04 cfs of 0.33 cfs potential flow) <br />Orifice/Grate (Orifice Controls 0.04 cfs @ 2.75 fps) <br />~__:=Orif ( Controls 0.00 cfs) <br />