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<br />2058.0010 Prop Drain <br />Prepared by {enter your company name here} <br />HvdroCA[)@ 8.00 sin 001304 @ 2006 HvdroCAD Software Solutions LLC <br /> <br />Type 1/ 24-hr 10-Year; 24 hour Rainfal/=4.10" <br />Page 14 <br />9/18/2007 <br /> <br />Pond 5P: Biofiltration area <br /> <br />Inflow Area = <br />Inflow = <br />Outflow = <br />Primary = <br /> <br />1.363 ac, Inflow Depth = 3.32" lor <br />2.56 cis @ 12.07 hrs, Volume= <br />2.49 cfs@ 12.12 hrs, Volume= <br />2.49 cis @ 12.12 hrs, Volume= <br /> <br />10-Year; 24 hour event <br />0.377 al <br />0.363 ai, Atten= 3%, <br />0.363 al <br /> <br />Lag= 2.7 min <br /> <br />Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs <br />Peak Elev= 900.68'@ 12.12 hrs Surf.Area= 2,685 sf Storage= 1,028 cl <br /> <br />Plug-Flow detention time= 50.9 min calculated lor 0.363 al (96% 01 inflow) <br />Center-ol-Mass del. time= 18.5 min ( 907.5 - 888.9 ) <br /> <br />Volume <br />#1 <br /> <br />Invert <br />900.00' <br /> <br />Avail.Stora!=!e Stora!=!e Description <br />2,002 cl Custom Stage Data {PrismaticJ-isted below (Recalc) <br /> <br />Elevation <br />(feet) <br />900.00 <br />900.50 <br />901.00 <br /> <br />Surf.Area <br />(sq-ft) <br />o <br />2,348 <br />3,310 <br /> <br />Inc. Store <br />( cubic-feet) <br />o <br />587 <br />1,415 <br /> <br />Cum.Store <br />(cubic-Ieet) <br />o <br />587 <br />2,002 <br /> <br />Device <br />#1 <br /> <br />Invert Outlet Devices <br />900.50' 10.0'long Sharp-Crested Rectangular Weir2 End Contraction(s) <br />0.5' Crest Height <br /> <br />Primary OutFlow Max=2.49 cls@ 12.12 hrs HW=900.68' (Free Discharge) <br />L1=Sharp-Crested Rectangular Weir(Weir Controls 2.49 cfs @ 1.43 Ips) <br /> <br />Routin!=! <br />Primary <br />