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HomeMy WebLinkAboutApplication Files_82693_pg0773 72189 PR Type 111 24-hr 100-Year Storm Rainfall=6.90" Prepared by {enter your company name here} Printed 7/26/2011 ' HydroCAD®9.10 s/n 01237 ©2009 HydroCAD Software Solutions LLC Page 95 Device Routing Invert Outlet Devices , #1 Discarded 59.00' 25.000 in/hr Exfiltration over Surface area #2 Primary 61.50' 20.0' long x 50.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 ' Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 Discarded OutFlow Max=2.15 cfs @ 12.62 hrs HW=59.00' (Free Discharge) 't-1=Exfiltration (Exfiltration Controls 2.15 cfs) Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=59.00' TW=55.00' (Dynamic Tailwater) "L2=13road-Crested Rectangular Weir( Controls 0.00 cfs) Summary for Pond PIE: Biofittration Basin 1 Inflow Area = 2.171 ac, 69.33% Impervious, Inflow Depth = 5.27" for 100-Year Storm event ' Inflow = 12.70 cfs @ 12.09 hrs, Volume= 0.953 of Outflow = 12.19 cfs @ 12.11 hrs, Volume= 0.953 af, Men=4%, Lag= 1.3 min Discarded = 0.29 cfs @ 12.11 hrs, Volume= 0.326 of Primary = 11.91 cfs @ 12.11 hrs, Volume= 0.627 of Routing by Dyn-Star-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs ' Peak Elev= 60.84'@ 12.11 hrs Surf.Area=2,475 sf Storage= 1,619 cf Plug-Flow detention time=(not calculated: outflow precedes inflow) Center-of-Mass det.time= 19.0 min (811.8-792.8 } Volume Invert Avaii.Storage Storage Description #1 60.00' 9,312 cf Custom Stage Data (Prismatic)Listed below(Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sg-ft) (cubic-feet) (cubic-feet) ' 60.00 1,379 0 0 6.1.00 2,683 2,031 2,031 62.00 11,878 7,281 9,312 Device Routing Invert Outlet Devices #1 Discarded 60.00' 5.000 in/hr Exfiltration over Surface area , #2 Primary 60.60' 2.4"x 2.1" Horiz. Orifice/Grate X 9.00 columnsX 8 rows C= 0.600. Limited to weir flow at low heads #3 Primary 60.60' 2.4"x 2.1" Horiz. Orifice/Grate X 9.00 columns 8 rows C= 0.600 Limited to weir flaw at low heads 1 Discarded OutFlow Max=0.29 cfs @ 12.11 hrs HW=60.83' (Free Discharge) 'L1=Exfiltration (Exfiltration Controls 0.29 cfs) ' Primary OutFlow Max=11.68 cfs @ 12.11 hrs HW=60.83' TW=56.25' (Dynamic Tailwater) �2=Orifice/Grate (Orifice Controls 5.84 cfs @ 2.32 fps) ' 3=Orifice/Grate (Orifice Controls 5.84 cfs @ 2.32 fps)