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0591335 Xcel Brainerd FaCility MSE 24-hr 3 2-Year Rainfall=2.64"
<br /> Prepared by Rehder&Associates, Inc. Printed 12/21/2020
<br /> HydroCAD�10.00-21 s/n 02629 O 2018 HvdroCAD Software Solutions LLC page 5
<br /> Device Routing Invert Outiet Devices
<br /> #1 Pnmary 1,269.00' 12.0" Round Culvert
<br /> L=29.0' RCP, square edge headwall, Ke=0.500
<br /> Inlet/OuUet Invert= 1,269.00'/1,268.71' S=0.0100'P Cc=0.900
<br /> n=0.012, Flow Area= 0.79 sf
<br /> #2 Devi,ce 1 1,271.00' 48.0" Horiz.Orifice/Grate C=0.600
<br /> Limited to weir flow at low heads
<br /> #3 Discarded 1,268.00' 0.800 in/hr Exfiltration over Surface area
<br /> 4iscarded OutFlow Max=0.08 cfs @ 16.70 hrs HW=1,270.46' (Free Discharge)
<br /> L3=Ex�ltration (Exfiltration Controls 0.08 cfs)
<br /> Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=1,268.00' TW=0.00' (Dynamic Tailwater)
<br /> L�Culvert (Controls 0.00 cfs)
<br /> 2=Orifice/Grate (Controls 0.00 cfs)
<br /> Summary for Pond 6P: Infiltration Basin 2
<br /> Inflow Area= 3.000 ac, 63.00% Impervious, Inflow Depth= 0.41" for 2-Year event
<br /> Inflow = 1.82 cfs @ 12.15 hrs, Volume= 0.101 af
<br /> Outflow = 0.05 cfs @ 16.51 hrs, Volume= 0.101 af, Atten=97%, Lag=261.7 min
<br /> Discarded = 0.05 cfs @ 16.51 hrs, Volume= 0.101 af
<br /> Primary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af
<br /> Routing by Dyn-Stor-Ind method, Time Span=0.00-48.00 hrs, dt=0.05 hrs
<br /> Peak Elev= 1,269.21' @ 16.51 hrs Surf.Area=2,869 sf Storage=2,869 cf
<br /> Plug-Flow detention time= (not calculated:outflow precedes inflow)
<br /> Center-of-Mass det. time= 591.9 min( 1,415.9-824.0 )
<br /> Volume Invert Avail.StoraQe Storaqe Description
<br /> #1 1,268.00' 29,907 cf Custom Stage Data(Irregular)Listed below(Recalc)
<br /> Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
<br /> _ (feet) (sQ-ft) (feefl (cubic-feet) (cubic-feet) (sq ft)
<br /> 1,268.00 1,900 250.0 0 0 1,900
<br /> 1,269.00 2,690 285.0 2,284 2,284 3,414
<br /> 1,270.00 3,590 315.0 3,129 5,413 4,877
<br /> 1,271.00 4,685 ` 450.0 4,125 9,538 13,105
<br /> 1,272.00 6,065 470.0 5,360 14,898 14,639
<br /> 1,273.00 7,500 490.0 6,770 21,668 16,241
<br /> 1,274.00 9,000 510.0 8,239 29,907 17,909
<br /> Device Routinq Invert Outlet Devices
<br /> #1 Pnmary 1,271.00' 15.0" Round Culvert
<br /> L= 153.0' CPP, square edge headwall, Ke=0.500
<br /> Inlet/Outlet Invert= 1,271.00'/1,270.00' S=0.0065'P Cc= 0.900
<br /> n=0.012, Flow Area= 1.23 sf
<br /> #2 Discarded 1,268.00' 0.800 in/hr Exflltration over Su,rtace area
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