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C:\Program Files\HydroCADlProjects�FiydroCAD Projects\08 JOBS� <br /> 08175B Barry Sewall Proposed Conditions May 13, 2009 Type 1124hr?0 Year Rainfa11=4.20" <br /> Prepared by Gronberg �Associates, Inc. Printed 5/20/2009 9:09:37 AM <br /> HydroCAD�9.00 s/n 04529 �2009 HydroCAD Software Solutions LLC Pa�e 17 <br /> Summary for Pond 2P: Pond 2, Area 3 <br /> [79J Waming: Submerged Pond 1 P Primary device#1 OUTLET by 1.34' <br /> Inflow Area= 1.955 ac, 9.46% Impervious, Inflow Depth > 0.43" for 10 Year event <br /> Inflow = 1.02 cfs cL'D 12.05 hrs, Volume= 0.069 af <br /> Outflow = 0.00 cfs� 5.00 hrs, Volume= 0.000 af, Atten= 100%, Lag=0.0 min <br /> Primary = 0.00 cfs� 5.00 hrs, Volume= 0.000 af <br /> Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs <br /> Peak Elev=943.84' a�D 20.00 hrs Surf.Area=0.047 ac Storage= 0.069 af <br /> Plug-Flow detention time= (not calculated: initial storage excedes outflow) <br /> Center-of-Mass det. time= (not calculated: no outflow) <br /> Votume Invert Avail.Storage Storage Description <br /> #1 942.00' 0.141 af Custom Stage Data(Prismatic) Listed below(Recalc) <br /> Elevation Surf.Area Inc.Store Cum.Store <br /> ____(feet) (acres) (acre-feet) (acre-feefl <br /> 942.00 0.028 0.000 0.000 <br /> 944.00 0.049 0.077 0.077 <br /> 945.00 0.078 0.063 0.141 <br /> Device Routing Invert Outlet Devices <br /> #1 Primary 944.90' 23.0' long x 7.0'breadth Broad-Crested Rectangular Weir <br /> Head(feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 <br /> 2.50 3.00 <br /> Coef. (English) 2.69 2.72 2.75 2.85 2.98 3.08 3.20 3.28 3.31 3.30 <br /> 3.31 3.32 <br /> Primary OutFlow Max=0.00 afs(d�5.00 hrs HW=942.00' (Free Discharge) <br /> t-1=Broad-Crested Rectangular Weir (ConVols 0.00 cfs) <br />