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HomeMy WebLinkAboutApplication Files_82693_pg0781 72189 PR Type llf 24-hr 100-Year Storm Rainfaff=6.90" Prepared by{enter your company name here) Printed 7/26/2011 ' HydroCADO 9.10 s/n 01237 0 2009 HydroCAD Software Solutions LLC Page 103 Device Routing Invert Outlet Devices ' #1 Discarded 62.00' 25.000 in/hr Exfiitration over Surface area #2 Primary 63.00' 10.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 ' 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Discarded OutFlow Max=2.31 cfs @ 12.21 hrs HW=62.34' (Free Discharge) , t-1=Exfiltration (Exfiltration Controls 2.31 cfs) Primary OutFlow Max--0.00 cfs @ 0.00 hrs HW=62.00' TW=56.00' (Dynamic Tailwater) , L-2=Broad-Crested Rectangular Weir( Controls 0.00 cfs) Summary for Pond M.: Pond Near 1-291 ' Inflow Area = 8..268 ac, 8.10% Impervious, Inflow Depth = 1.07" for 100-Year Storm event Inflow = 8.40 cfs @ 12.16 hrs, Volume= 0.735 of Outflow - 8.40 cfs @ 12.16 hrs, Volume= 0.735 af, Atten=0%, Lag= 0.0 min Discarded = 0.11 cfs @ 12.16 hrs, Volume= 0.009 of Primary = 8.29 cfs @ 12.16 hrs, Volume 0.725 of Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Peak Elev= 56.00'@ 12.16 hrs Surf.Area=458'sf Storage=0 cf Plug-Flow detention time=(not calculated. outflow precedes inflow) Center-of-Mass det. time=0.0 min ( 869.7-869.7 ) Volume Invert Avail.Storage Storage Description #1 56.00' 50,089 cf Custom Stage Data (Prismatic)Listed below(Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 56.00 458 0 0 ' 57.00 1,245 852 852 58;00 2,856 2,051 2,902 59.00 4,742 3,799 6,701 ' 60.,00 19,709 12,226 18,927 61.00 42,616 31,163 50,089 Device Routing Invert Outlet Devices #1 Discarded 56.00' 25.000 in/hr Exfiiltration over Surface area #2 Primary 54.04' 36.0" Round 36" Pipe L=56.0' RCP, mitered to conform to fill, Ke=0.700 Inlet/Outlet Invert= 54.04'/52.23' S= 0.0323'/' Cc=0.900 n=0.013 Concrete pipe, straight& clean