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11586 SPENSA- ORONO Type 11 24-hr 100 yr Rainfall=6.00" <br /> Prepared by{enter your company name here} Page 19 <br /> HydroCADD 8.00 sh 000837 ©2006 HydroCAD Software Solutions LLC 5/18/2009 <br /> Pond RAIN G: POND 1 <br /> [82] Warning: Early inflow requires earlier time span <br /> [93] Warning: Storage range exceeded by 1.18' <br /> [88] Warning: Qout>Qin may require Finer Routing>1 <br /> [85] Warning: Oscillations may require Finer Routing>1 <br /> Inflow Area = 0.977 ac, Inflow Depth > 4.64" for 100 yr event <br /> Inflow = 6.81 cfs @ 12.01 hrs, Volume= 0.378 of <br /> Outflow = 6.83 cfs @ 12.03 hrs, Volume= 0.276 af, Atten= 0%, Lag= 1.1 min <br /> Discarded = 0.04 cfs @ 11.90 hrs, Volume= 0.039 of <br /> Primary = 6.79 cfs @ 12.03 hrs, Volume= 0.238 of <br /> Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt=0.05 hrs <br /> Peak Elev= 1,023.68' @ 12.03 hrs Surf.Area= 3,070 sf Storage=4,430 cf <br /> Plug-Flow detention time= 103.4 min calculated for 0.276 of(73% of inflow) <br /> Center-of-Mass det. time=41.0 min ( 791.0-750.0) <br /> Volume Invert Avail.Storage Storage Description <br /> #1 1,020.00' 4,430 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 /> 1,020.00 530 0 0 <br /> 1,021.00 1,500 1,015 1,015 <br /> 1,022.00 2,530 2,015 3,030 <br /> 1,022.50 3,070 1,400 4,430 <br /> Device Routing Invert Outlet Devices <br /> #1 Discarded 0.00' 0.600 in/hr Exfiltration over Horizontal area <br /> #2 Primary 1,022.50' 2.0' long x 5.0' 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 3.50 4.00 4.50 5.00 5.50 <br /> Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 <br /> 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 <br /> Qiscarded OutFlow Max=0.04 cfs @ 11.90 hrs HW=1,023.33' (Free Discharge) <br /> 1=Exfiltration (Exfiltration Controls 0.04 cfs) <br /> Primary OutFlow Max=6.49 cfs @ 12.03 hrs HW=1,023.64' (Free Discharge) <br /> L2=Broad-Crested Rectangular Weir (Weir Controls 6.49 cfs @ 2.85 fps) <br />