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 21 <br />Primary OutFlow Max=0.02 cfs @ 8.25 hrs HW=880.00' TW=879.04' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.02 cfs of 0.17 cfs potential flow) <br />~__3=Orif 2=Orif ice/Grate (Orifice Controls 0.02 cfs @ 2.29 fps) <br />ice/Grate ( Controls 0.00 cfs) <br />Summary for Pond S3: 816 FOR 10 YEAR <br />Inflow Area = 0.539 ac, 21.18% Impervious, Inflow Depth = 0.42" for WO event <br />Inflow = 0.04 cfs @ 7.99 hrs, Volume= 0.019 of <br />Outflow = 0.03 cfs @ 8.17 hrs, Volume= 0.019 af, Atten= 30%, Lag= 10.5 min <br />Primary = 0.03 cfs @ 8.17 hrs, Volume= 0.019 of <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Peak Elev= 874.36' @ 8.17 hrs Surf.Area= 134 sf Storage= 32 cf <br />Plug-Flow detention time= 13.6 min calculated for 0.019 of (100% of inflow) <br />Center-of-Mass det. time= 13.4 min ( 819.1 - 805.7) <br />Volume Invert Avail.Storage Storage Description <br />#1 874.12' 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 />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=0.03 cfs @ 8.17 hrs HW=874.36' TW=871.07' (Dynamic Tailwater) <br />L1=Culvert (Passes 0.03 cfs of 0.19 cfs potential flow) <br />~2=Orif i ce/G rate (Orifice Controls 0.03 cfs @ 2.37 fps) <br />3=Orifice/Grate ( Controls 0.00 cfs) <br />Summary for Pond S4: 816 FOR 10 YEAR <br />Inflow Area = 0.277 ac, 38.64% Impervious, Inflow Depth = 0.59" for WO event <br />Inflow = 0.03 cfs @ 7.93 hrs, Volume= 0.014 of <br />Outflow = 0.01 cfs @ 8.65 hrs, Volume= 0.014 af, Atten= 56%, Lag= 43.5 min <br />Primary = 0.01 cfs @ 8.65 hrs, Volume= 0.014 of <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Peak Elev= 880.51' @ 8.65 hrs Surf.Area= 134 sf Storage= 62 cf <br />Plug-Flow detention time= 43.7 min calculated for 0.014 of (100% of inflow) <br />