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HomeMy WebLinkAboutApplication Files_82693_pg0782 1 72189 PR Type 11124-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 104 Discarded OutFlow Max=0.27 cfs @ 12.16 hrs HW=56.00' (Free Discharge) t-1=Exfltration (Exfiltration Controls 0.27 cfs) ' Primary OutFlow Max=20.58 cfs @ 12.16 hrs HW=56.00' TW=0.00' (Dynamic Tailwater) t-2=36" Pipe (Inlet Controls 20.58 cfs @ 4.21 fps) ' Summary for Pond PR4E; Sediment Forebay Inflow Area= 0.841 ac, 29.22%Impervious, Inflow Depth 3.96" for 100-Year Storm event Inflow 3.82 cfs @ 12.09 hrs, Volume= 0.277 of Outflow - 3.79 cfs @ 12.10 hrs, Volume= 0.277 af, Atten= 1%, Lag= 0.4 min. Discarded = 0.30 cfs @ 12.12 hrs, Volume= 0.163 of Primary = 3.49 cfs @ 12.10 hrs, Volume= 0.114 of Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs Peak Elev= 62.23'@ 12.12 hrs Surf.Area= 518 sf Storage=441 cf Plug-Flow detention time=(not calculated. outflow precedes inflow) Center-of-Mass det.time=6.8 min (829.4-822.6 ) 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 62.00 454 330 830 62.50 594 262 592 Device Routine Invert Outlet Devices #1 Discarded 61.00' 25.000 in/hr Exfiltration over Surface area #2 Primary 61.75' 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=0.30 cfs @ 12.12 hrs HW=62.22' (Free Discharge) L1=Exfiltration (Exfiltration Controls 0.30 cfs) ' Primary OutFlow Max=2.92 cfs @ 12.10 hrs HW=62.22' TW=62.19' (Dynamic Tailwater L2=Broad-Crested Rectangular Weir(Weir Controls 2.92 cfs @ 0.77 fps) ) ' Summary for Link DPI: Chapel Road Inflow Area 45.120 ac, 56.47% Impervious, Inflow Depth = 0.00" for 100-Year Storm event Inflow 0.00 cfs @ 0.00 hrs, Volume= 0.000 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 1