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~a <br />Hi!lsSECU Type 1124-hr Rainfall= . <br />Prepared by~Titan Atlantic Page 4 <br />H droCADO 6 00 sln 902026 ®1986-2001 Applied Microcomputer Systems 3/17/2003 <br /> Pond 1 P: 400' 36" underground storage <br />Inflaw = 3.51 cfs @ 11.96 hrs, Volume= 0.160 of <br />Outflow = 0.91 cfs @ 12.09 hrs, Volume= 0.159 af, Atten= 74%, Lag= 7.4 min <br />Primary = 0.91 cfs @ 12.09 hrs, Volume= 0.159 of <br />Routing by Star-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs <br />Peak Elev= 642.13' Storage= 2,076 cf <br />----Pi~g@Fle~v ~te,~;s ae in~leats#~d=feY^~ °.~f-~1-0C~%o#-ie #1aw~ - <br />Storage and welted areas determined by Conic sections <br />Elevation Surf.Area Inc.Store Cum.Store Wet.Area <br />(feet) (sq-ft) (cubic-feet) (cubic feet) (sq-ft) <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 OutFlow (Free Discharge) <br />~1=Culvert <br />~2=Orifice/Grate <br />3=Sharp-Crested` Rectangular ~1Veir --- ~ _ ___ __ ... _ ... _. _._ .__ _.... _. <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 'P n= 0.014 Cc= 0.900 <br />2 Device 1 .640.00' 5.0" Vert. Orifice/Grate 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 />