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HilisSECU <br />Prepared by Titan Atlantic <br />Type 1124 -hr Rainfall= 3.00" <br />Page 4 <br />Pond 1P: 400'36" underground storage <br />Inflow = 3,51 cfs @ 11,96 hrs, Volume= <br />Volume= <br />0.. 160 of o 7..4 min <br />Atten= 74%, Lag= <br />Outflow = 0..91 cis @ 12..09 hrs, <br />= 0.91 cfs @ 12,09 hrs, Volume= <br />0.159 of <br />Primary <br />Routing by Stor -Ind method, Time Span= 0,00 -24.00 hrs, <br />dt= 0.01 hrs <br />Peak Elev= 642.13' Storage= 2,076 cf <br />- -fflr�3 <br />F �� nnot �f�pflpyy� <br />- Plug - Flow= detenti ©rAi'me���in�aleulated <br />Storage and wetted areas determined by Conic sections <br />Elevation Surf.Area Inc..Store Cum.Store Wet.Area <br />-feet) (sg <br />ft) <br />(feet) (sq ft) (cubic feet) (cubic <br />640.00 0 55 <br />0 <br />55 <br />663 <br />640,25 663 194 <br />895 <br />249 <br />896 <br />640.50 <br />1,038 241 <br />491 <br />1,042 <br />640,75 <br />1,130 <br />762 <br />1,139 <br />641..00 <br />1,182 289 <br />1,051 <br />1,199 <br />641.25 <br />1,200 298 <br />1,348 <br />1,234 <br />641.50 <br />1,182 298 <br />1,646 <br />1,270 <br />641..75 <br />1,130 289 <br />1,935 <br />1,330 <br />642.00 <br />1,038 271 <br />2,206 <br />1,426 <br />642.25 <br />2,447 <br />1,572 <br />642.50 194 <br />663 <br />2,641 <br />1,805 <br />642.75 55 <br />2,697 <br />2,468 <br />643.00 0 <br />Primary OutFlow (Free Discharge) <br />t--1= Culvert <br />Orifice /Grate <br />t2= <br />3= Sharp-Crested Rectangular Weir <br /># Routing. Invert Outlet Devices uare ed a headwall, Ke= 0.500 <br />1 Primary 640,00' 18.0" x 105.0' long Culvert RCP, sq 9 <br />Outlet Invert= 637.00' S= 0..0286'/' 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 />