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HomeMy WebLinkAboutApplication Files_82693_pg0718 r 72189 PR Type III 24-hr 10-Year Storm Rainfall=4.70" Prepared by{enter your company name here} Printed 7/26/2011 HydroCADO 9.10 s/n 01237 OO 2009 HydroCAD Software Solutions LLC Page 42 -j-------Peak-EIewz 59 83'@ 12.12-hrs-Surf-Area=6=305 sf-Storage=4,496 cf - - - - - - - Plug-Flaw detention time=(not calculated: outflow precedes inflow) ' Center-of-Mass det.time=33.2 min (857.7 -824.5 ) Volume Invert Avail.Storage Storage Description #1 59.00, 9,222 cf Custom Stage Data (Prismatic)Listed below(Recalc) ' Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 59.00 4,568 0 0 60.00 6,668 5,618 5,618 . 60.50 7,747 3,604 9,222 tDevice Routing Invert Outlet Devices #1 Discarded 59.00' 5.000 inlhr Exfiltra#ion over Surface area #2 Primary 59.70' 2.4"x 2.1" Horiz. Orifice/Grate X.9.00 columns 8 rows C= 0.600 Limited to weir flow at low heads #3 Primary 59.70' 2.4"x 2.1" Horiz. Orifice/Grate X 9.00 columns 8 rows C= 0.600 Limited to weir flow at low heads ' Discarded OutFlow Max=0.73 cfs @ 12.12 hrs HW=59.82' (Free Discharge) L1=Exfaltration (Exfiltration Controls 0.73 cfs) ' Primary OutFlow Max=8.27 cfs @ 12.12 hrs HW=59.82' TW=54.69' (Dynamic Tailwater) 1:21 =0rifice/Grate (Orifice Controls 4.13 cfs @ 1.64 fps) 3=Orifice/Grate (Orifice Controls 4.13 cfs @ 1.64 fps) Summary for Pond P1 D. Existing Depression ' inflow Area 9.580 ac, 15.34% Impervious, Inflow Depth = 0.04" for 10-Year Storm event Inflow = 0.05 cfs @ 15.58 hrs, Volume= 0.034 of Outflow - 0.05 cfs @ 15.58 hrs, Volume= 0.034 af, Atten= 0%, Lag= 0.0 min ' Discarded 0.05 cfs @ 15.58 hrs, Volume= 0.034 of Primary 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Dyn-Star-Ind method, Time Span=0.00-72.00 hrs, dt= 0.05 hrs Peak Elev= 59.00'@ 0.00 hrs Surf.Area= 3,715 sf Storage= 0 cf ' Plug-Flow detention time=(not calculated: outflow precedes inflow) Center-of-Mass det. time=0.0 min ( 1,118.3- 1,118.3 } Volume Invert Avail3torage Storage Description #1 59.00' 132,366 cf Custom Stage Data (irregular)Listed below(Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area ' (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 59.00 3,715 305.0 0 0 3,715 60.00 68,945 1,144.0 29,555 29,555 100,461 61.00 140,921 2,045.0 102,812 132,366 329,116