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~"~ <br />HillsSEGU Type !! 24-hr Rainfall=5.38" <br />Prepared by Titan Atlantic Page 4 <br />HydroCAD® 6.00 s/n 002026 ©1986-2001 Applied Microcomputer Systems 3!17/2003 <br />I Pond 1P: 400' 36" underground storage <br />inflow = 7.59 cfs @ 11.96 hrs, Volume= 0.360 of <br />Outflow - 7.57 cfs @ 11.96 hrs, Volumes 0.359 af, Atten= 0%, Lag= 0.3 min <br />Primary = 7.57 cfs @ 11.96 hrs, Volume= 0.359 of <br />Routing by Stor-fnd method, Ti me Span= 0.00-24.00 hrs, dt='0.01 hrs <br />Peak Elev= 642.97' Storage= 2,69.1 cf <br />i- °;tig-1=low-deteat~e nae=-- t~e~i-~Fr~r-A3 ~-~;=nn6 ~~ fln~nt) <br />Storage and wetted areas determined by Gonic sections <br />Elevation Surf.Area 1nc.Store Cum.Store Wet.Area <br />(feet) (sq-ft) (cubic-feet) (cubic-feet) (sq-ft) <br />_ <br />640.00 0 0 0 0 <br />640.25 663 55 55 663 <br />640.50 895 194 249 896 <br />640.75 1,038 241 491 1,042 _ <br />641.00 1,130 271 762 1,139 ~- <br />641.25 1,182 289 ~ 1,051 1,199 <br />641.50 1,200 298 1,348 1,234 <br />641.75 1,182 298 1,646 1,270 <br />642.00 1,130 289 1,935 1;330 <br />642.25 1,038 271 2,206 1,426 <br />642.50 895 241 2,447 1,572 <br />. 642.75 663 194 2,641 1,805 <br />643.00 0 55 2,697 2,468 <br />Primary Outl=low {Free Discharge) <br />t-1 =Culvert <br />_ . _ _ ___ _ .:. ~2=OrificelGrate _._- <br />~- -- <br />~ __: <br />-- <br /> <br />3=Sharp-Crested Rect <br />angular Weir <br />- <br />-~ _ -- .. <br /># Routing Invert Outlet Devices ~ - _- <br />1 Primary 640.00' 18.0" x 105.0' long Culvert RCP, square edge headwall, Ke= 0.500 <br /> Outlet Invert= 637.00' S= 0.0286'/' n= 0.014 Cc= 0.900 <br />2 Device 1 640.00' S.0" Vert. OrificelGrate C= 0.600 <br />3 Device 1 642.20' 2.6' long x 0.5' high Sharp-Crested Rectangular Weir 2 End Contraction(s) <br />