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HomeMy WebLinkAboutApplication Files_85048_pg0219 POST DEVELOPMENT- DP1 2007-058 Jones-POST D1 Type/1/24-hr 10-year Rainfall=4.70" Prepared by J.R. Russo &Associates Printed 12/27/2010 ydroCADO 8.50 s/n 002386 ©2007 HydroCAD Software Solutions LLC Page 16 Peak Storage=770 cf @ 12.95 hrs, Average Depth at Peak Storage= 0.57' ' Bank-Full Depth= 1.50', Capacity at Bank-Full= 8.05 cfs 18.0" Diameter Pipe, n= 0.012 Length= 1,250.0' Slope= 0.0050 T ' Inlet Invert= 82.85, Outlet Invert= 76.60' Summary for Pond B1: Basin #1 ' Inflow = 15.43 cfs @ 12.20 hrs, Volume= 1.541 of Outflow = 2.04 cfs @ 15.05 hrs, Volume= 1.506 af, Atten= 87%, Lag= 170.8 min Primary = 2.04 cfs @ 15.05 hrs, Volume= 1.506 of Routing by Sim-Route method w/Net Flows, Time Span= 0.00-80.00 hrs, dt= 0.01 hrs Peak Elev= 85.77' @ 13.66 hrs Surf.Area=38,114 sf Storage=44,730 cf Plug-Flow detention time=450.7 min calculated for 1.506 of(98% of inflow) Center-of-Mass det. time=436.7 min ( 1,237.4-800.6) Volume Invert Avail.Stora a Storage Description #1 84.50' 95,081 cf Custom Stage Data(Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) ' 84.50 32,191 0 0 85.00 34,453 16,661 16,661 86.00 39,185 36,819 53,480 87.00 44,017 41,601 95,081 Device Routing Invert Outlet Devices #1 Primary 84.50' 12.0" x 76.0' long Culvert RCP, mitered to conform to fill, Ke= 0.700 ' Outlet Invert=84.12' S= 0.0050 T Cc= 0.900 n= 0.012 Primary OutFlow Max=2.04 cfs @ 15.05.hrs HW=85.67' TW=85.28' (Dynamic Tailwater) ' t-1=Culvert (Outlet Controls 2.04 cfs @ 2.79 fps) Summary for Pond B2: Basin #2 ' Inflow = 15.75 cfs @ 12.45 hrs, Volume= 3.653 of Outflow = 7.66 cfs @ 12.85 hrs, Volume= 3.630 af, Atten= 51%, Lag=24.0 min Primary = 6.62 cfs @ 12.92 hrs, Volume= 3.590 of Secondary = 1.08 cfs @ 12.80 hrs, Volume= 0.041 of