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HomeMy WebLinkAboutApplication Files_82693_pg0645 72189 EX Type 11124-hr 10-Year Storm RainfaA=4.70" Prepared by{enter your company name here) Printed 7/26/2011 HydroCAD®9 10 s/n 01237 U 2009 HydroCAD Software Solutions LLC, Page 19 ------------------ Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ftlsec) (cfs) 5.1 50 0.1800 0.16 Sheet Flow,A-B Woods: Light underbrush n= 0.400 P2= 3.20" 3.3 180 0.0333 0.91 Shallow Concentrated Flow, B-C Woodland Kv= 5.0 fps 2.4 80 0.0125 0.56 Shallow Concentrated Flow,C D Woodland Kv= 5.0 fps 0.0 10 0.2000 6.71 Shallow Concentrated Flow, D E Grassed Waterway Kv= 15.0 fps 1.4 160 0.0156 1.87 Shallow Concentrated Flow, E-F Grassed Waterway Kv= 15.0 fps 12.2 480 Total Summary for Pond P1A: Low Point in Woods Inflow Area = 15.577 ac, 0.00% Impervious, Inflow Depth = 0.07" for 10-Year Storm event Inflow 0.13 cfs @ 16.13 hrs, Volume= 0.090 of Outflow = 0.13 cfs @ 16.14 hrs, Volume= 0.090 af, Atten=0%, Lag= 0.7 min Discarded 0.13 cfs @ 16.14 hrs, Volume= 0.090 of Primary 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.05 Firs Peak Elev= 59.00'@ 16.14 hrs Surf.Area=3,774 sf Storage= 3 cf Plug-Flow detention time=0.5 min calculated for 0.090 of(100%of inflow) 1 Center-of-Mass det. time=0.5 min ( 1,149.7 - 1,149.2) Volume Invert Avail Storage Storage Description ##1 59.00' 165,592 cf Custom Stage Data(Prismatic)L.isted.below(Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 59.00 3,714 0 0 60.00 68,946 36,330 36,330 61.00 189,580 129,263 165,592 IDevice Routing Invert Outlet Devices #1 Primary 61.00' 260.0' long x 7.0'breadth Broad-Crested Rectangular.Weir 1 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) 2.40 2.52 2.70 2.68 2.68 2.67 2.66 2.65 2.65 2.65 2.66 2.65 2.66 2.68 2.70 2.73 2.78 #2 Discarded 59.00' 25.000 in/hr Exflltration over Horizontal area Discarded OutFlow Max=2.18 cfs @ 16.14 hrs HW=59.00' (Free Discharge) 1 t--2=Exfiltratlon (Exflltration Controls 2.18 cfs) -rimary OutFlow Max=0.00 cfs @ 0.00 hrs HW=59.00' (Free Discharge) 1=Broad-Crested Rectangular Weir( Controls 0.00 cfs)