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Hendel L3, B1 MLP proposed 12-26-17 Type 1124-hr 10 year Rainfall=4.29" <br /> Prepared by {enter your company name here} Printed 1/4/2018 <br /> HydroCAD® 10.00-12 s/n 04529 ©2014 HydroCAD Software Solutions LLC Page 15 <br /> Summary for Pond 1 PP: (new Pond) <br /> Inflow Area = 1.650 ac, 15.15% Impervious, Inflow Depth = 2.12" for 10 year event <br /> Inflow = 5.30 cfs @ 12.02 hrs, Volume= 0.292 af <br /> Outflow = 2.08 cfs © 12.17 hrs, Volume= 0.292 af, Atten= 61%, Lag= 9.3 min <br /> Discarded = 0.02 cfs @ 12.17 hrs, Volume= 0.019 af <br /> Primary = 2.06 cfs @ 12.17 hrs, Volume= 0.273 af <br /> Routing by Stor-Ind method, Time Span= 1.00-36.00 hrs, dt= 0.05 hrs <br /> Peak Elev= 997.21' @ 12.17 hrs Surf.Area= 4,056 sf Storage= 4,037 cf <br /> Plug-Flow detention time= 50.8 min calculated for 0.291 af(100% of inflow) <br /> Center-of-Mass det. time= 51.1 min ( 885.8 - 834.7 ) <br /> Volume Invert Avail.Storage Storage Description <br /> #1 996.00' 13,250 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 /> 996.00 2,600 0 0 <br /> 998.00 5,000 7,600 7,600 <br /> 999.00 6,300 5,650 13,250 <br /> Device Routing Invert Outlet Devices <br /> #1 Discarded 996.00' 0.200 in/hr Exfiltration over Surface area <br /> #2 Primary 996.00' 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 /> Discarded OutFlow Max=0.02 cfs @ 12.17 hrs HW=997.21' (Free Discharge) <br /> t-1=Exfiltration (Exfiltration Controls 0.02 cfs) <br /> Primary OutFlow Max=2.04 cfs @ 12.17 hrs HW=997.21' (Free Discharge) <br /> t 2=Broad-Crested Rectangular Weir (Weir Controls 2.04 cfs @ 3.39 fps) <br />