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) <br /> � Divine Custom Homes proposed 5-12-16 Type ll 24-hr 100 year Rainfall=7.42" <br /> Prepared by{enter your company name here} Printed 5/13/2016 <br /> HydroCADC�10.00-12 s/n 04529 O 2014 HydroCAD Software Solutions LLC PaQe 15 <br /> Summary for Pond 1 PP: (new Pond) <br /> Inflow Area = 1.720 ac, 20.93% Impervious, Inflow Depth = 3.86" for 100 year event <br /> Inflow = 10.06 cfs @ 12.02 hrs, Volume= 0.553 af <br /> Outflow = 2.50 cfs @ 12.24 hrs, Volume= 0.520 af, Atten= 75%, Lag= 13.4 min <br /> Discarded = 0.00 cfs @ 11.65 hrs, Volume= 0.006 af <br /> Primary = 2.49 cfs @ 12.24 hrs, Volume= 0.514 af <br /> Routing by Stor-Ind method, Time Span= 1.00-36.00 hrs, dt= 0.05 hrs <br /> Peak Elev=999.85' @ 12.24 hrs Surf.Area= 8,656 sf Storage= 9,861 cf <br /> Plug-Flow detention time= 113.5 min calculated for 0.519 af(94% of inflow) <br /> Center-of-Mass det. time= 81.1 min ( 912.0-830.9 ) <br /> Volume Invert Avail.Storage Storage Description <br /> #1 997.75' 11,175 cf Custom Stage Data(Prismatic) Listed below(Recalc) <br /> Elevation Surf.Area Inc.Store Cum.Store <br /> (feet) (sq-ft) (cubic-feet) (cubic-feet) <br /> 997.75 1,800 0 0 <br /> 998.50 2,200 1,500 1,500 <br /> 999.00 6,100 2,075 3,575 <br /> 1,000.00 9,100 7,600 11,175 <br /> Device Routing Invert Outlet Devices <br /> #1 Primary 998.50' 0.5' 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 <br /> 3.30 3.31 3.32 <br /> #2 Disca�ded 997.75' 0.300 in/hr Exfiltration over Surface area from 997.75'-998.50' <br /> Excluded Surface area = 1,800 sf Phase-In=0.25' <br /> Qiscarded OutFlow Max=0.00 cfs @ 11.65 hrs HW=998.55' (Free Discharge) <br /> z 2=Exfiltration (E�Itration Controls 0.00 cfs) <br /> Primary OutFlow Max=2.49 cfs @ 12.24 hrs HW=999.85' (Free Discharge) <br /> t-1=6road-Crested Rectangular Weir (Weir Controls 2.49 cfs @ 3.69 fps) <br />