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C:�Program Files\HydroCADlProjects\HydroCAD Projects\08 JOBS\ <br /> 08175B Barry Sewall Proposed Conditions May 13, 2009( Type ll 24-hr 2 Year Rainfal1=2.75" <br /> Prepared by Gronberg &Associates, Inc. Printed 5/20i2009 9:09:37 AM <br /> HydroCAD�9.00 s/n 04529 �2009 HydroCAD Soflware Solutions LLC Pa�e 10 <br /> Summary for Pond 2P: Pond 2, Area 3 <br /> [79]Waming: Submerged Pond 1 P Primary device# 1 OUTLET by 0.21' <br /> Inflow Area= 1.955 ac, 9.46% Impervious, Inflow Depth > 0.14" for 2 Year event <br /> Inflow = 0.28 cfs @ 12.08 hrs, Volume= 0.023 af <br /> Outflow = 0.00 cfs a� 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=942.71' a�20.00 hrs Surf.Area=0.035 ac Storage= 0.023 af <br /> Plug-Flow detention time= (not calculated: initial storage excedes outflow) <br /> Center-of-Mass det. time= (not calculated: no outflow) <br /> Volume 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-feet) <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 1.0'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 cfs cLD 5.00 hrs HW=942.00' (Free Discharge) <br /> L1=Broad-Crested Rectangular Weir (Controls 0.00 cfs) <br />