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HomeMy WebLinkAboutApplication Files_82693_pg0721 72189 PR Type /l/24-hr 10-Year Storm Rainfafl=4.70" Prepared by{enter your company name here) Printed 7/26/2011 ' HydroCAD®9.10 s!n 01237 U 2009 HydroCAD Software Solutions LLC Paae 45 -- -Peak Elev=59.70'@-12.11-hrs -Surf.-Area=1,098-sf-Storage= 567-cf Plug-Flow detention time=(not calculated: outflow precedes inflow) Center-of-Mass det.time= 15.0 min (795.2-780.2 ) Volume Invert Avail.Stora a Storage.Description ' #1 59.00' 1,701 cf Custom Stage Data (Prismatic)Listed below(Recalc) Elevation Surf.Area Inc.Store Cum.Store ' (feet) (sq-ft) (cubic-feet) (cubic-fee#) 59.00 517 . 0 0 ' 60.00 1,343 930 930 60.50 1,740 771 1,701 Device Routine Invert Outlet Devices ' #1 Discarded 59.00' 5.000 in/hr Exfiltration over Surface area #2 Primary 59.50' 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=0.13 cfs @ 12.11 hrs HW=59.70' (Free Discharge) 'L1=Exfiltration (Exfiltration Controls 0.13 cfs) , Primary OutFlow Max=5.40 cfs @ 12.11 hrs HW=59.70' TV►/=54.53' (Dynamic Tailwater) 'L2=Orifice/Grate (Orifice Controls 5.40 cfs @ 2.14 fps) ' Summary for Pond P1I: Depression.By Railroad Tracks [871 Warning: Oscillations may require Finer Routing or smaller dt ' Inflow Area = 15.212 ac, 18.57% Impervious, Inflow Depth= 0.23" for 10-Year Storm event Inflow = 2.53 cfs @ 12.24 hrs, Volume= 0.290 of , Outflow - 1.69 cfs @ 12.51 hrs, Volume= 0.290 af, Atten= 33%, Lag= 15.7 min Discarded.= 1.69 cfs @ 12.51 hrs, Volume= 0.290 of Primary - 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Dyn-Stor-Ind method, Time Span=0.00-72.00 hrs, dt= 0.05 hrs Peak Elev=55.53'@ 12.51 hrs Surf.Area=2,915 sf Storage= 1,134 cf ' Plug-Flow detention time=(not calculated: outflow precedes inflow) Center-of-Mass det.time=3.8 min (899.1 - 895.3 ) Volume Invert Avail.Storage Storage Description , #1 . 55.00' 49,371 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) 55.00 1,471 427.0 0 0 1,471 , 56.00 4,628 824.0 2,003 2,903 40,998 57.00 9,733 1,240.0 7,024 9,927 109,333 58.00 20,427 2,012.0 14,753 24,680 309,122 59.00 29,215 2,390.0 24,690 49,371 441,554