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HomeMy WebLinkAboutApplication Files_82693_pg0701 72189 PR Type ill 24-hr 2-Year Storm Rainfaii=3.20" Prepared by{enter your company name here) Printed 7/26/2011 HydroCAD®9.10 s/n 01237 02009 HydroCAD Software Solutions LLC Page 26 ' Summary for Pond ME: Sediment Forebay [901 Warning: Qout>Qin may require Finer Routing or smaller dt [871 Warning: Oscillations may require Finer Routing or smaller dt Inflow Area= 0.841 ac, 29.22% Impervious, Inflow Depth = 1.04 for 2-Year Storm event Inflow 0.95 cfs @ 12.10 hrs, Volume= 0.073 of Outflow 1.13 cfs @ 12.15 hrs, Volume= 0.073 af, Atten= 0%, Lag= 3.0 min Discarded = 0.27 cfs @ 12.26 hrs, Volume= 0.065 of Primary = 0.86 cfs @ 12.15 hrs, Volume= 0.008 of Routing by Dyn-Stor-Ind method, Time Span=0.00-72.00 hrs, dt=0.05 hrs Peak Elev=62.06'@ 12.26 hrs Surf.Area=470 sf Storage=356 cf Plug-Flow detention time=(not calculated: outflow precedes inflow) Center-of-Mass det. time=6.9 min ( 869.0- 862.1 ) Volume Invert Avail,Storage Storage Description #1 61.00' 592 cf Custom Stage Data (Prismatic)Listed below(Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 61.00 205 0 0 62.00 454 330 330 62.50 594 262 592 Device Routing Invert Outlet Devices #1 Discarded 61.00' 25.000 in/hr Exfiltration over Surface area #2 Primary 61.76' 8.0' long x 5.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 Discarded OutFlow Max=0.27 cfs @ 12.26 hrs HW=62.05' (Free Discharge) L'I=Exfiiltration (Exfiltration Controls 0.27 cfs) Primary OutFlow Max=0.00 cfs @ 12.15.hrs HW=62.01' TW=62.05' (Dynamic Tailwater) 2=Broad-Crested Rectangular Weir( Controls 0.00 cfs) Summary for Link DP1: Chapel Road Inflow Area = 45.120 ac, 56.47% Impervious, Inflow Depth = 0.00" for 2-Year Storm event Inflow = 0.00 cfs @ 0.00 hrs, Volume= 0A00 of Primary - 0.00 cfs @ 0.00 hrs, Volume= 0.000 af, Atten= 0%, Lag= 0.0 min Primary outflow= Inflow, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs l 1