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HomeMy WebLinkAboutApplication Files_82693_pg0694 72189 PR Type 11124-hr 2-Year Storm Rainfall=3.20" Prepared by{enter your company name here} Printed 7/26/2011 HydroCAD®9 10 s/n 01237 ©2009 HVdroCAD Software Solutions LLC Page 19 Peak Elev= 59.58`@ 12.10 hrs Surf.Area=998 sf Storage=442 cf - Plug-Flow detention time=(not calculated:.outflow precedes inflow) Center-of-Mass det,time= 16.1 min (808.8 -792.7 ) Volume Invert Avail.Storage Storage Description #1 59.00, 1,701 cf Custom Stage Data(Prismatic)Listed below(Resale) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 59.00 517 0 0 60.00 1,343 930 930 60.50 1,740 771 1,701 Device Routing 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 X 8 rows C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.12 cfs @ 12.10 hrs HW=59.58' (Free Discharge) t-1=Exfiltration (Exfiltration Controls 0.12 cfs) Primary OutFlow Max=3.47 cfs @ 12.10 hrs HW=59.58' TW=53.52' (Dynamic Tailwater) L2=Orifice/Grate (Orifice Controls 3.47 cfs @ 1.38 fps) Summary for Pond P11: Depression By Railroad Tracks Inflow Area = 15.212 ac, 18.57% Impervious, Inflow Depth= 0.08" for 2-Year Storm event Inflow = 0.55 cfs @ 12.39 hrs, Volume= 0.098 of Outflow = 0.55 cfs @ 12.39 hrs, Volume= 0.098 af, Atten=0%, Lag= 0.0 min Discarded = 0.55 cfs @ 12.39 hrs, Volume= 0.098 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= 0A5 hrs Peak Elev= 55.00'@ 12.40 hrs Surf.Area= 1,471 sf Storage= 0 cf Plug-Flow detention time=(not calculated: outflow precedes inflow) Center-of-Mass det. time=0.0 min (941.0-941.0 ) 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 2,903 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 49,371 441,564