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<br />,X:n = 0.125 <br />b <br /> <br />Yn = 4.63 feet <br /> <br />A = 257.13 Sq. Ft. <br />V = 5.58 Ft/Sec <br /> <br />Energy Gradeline Calculations <br /> <br />outlet channel invert <br />normal depth = <br />velocity head = <br />outlet loss (72-4.232)164.4 = <br /> <br />EGL at culvert outlet = <br />shear loss 180 X 0.0015 = <br />entrance loss 0.5X(7.2**2/64.4)= <br />velocity head 7.2**2/64.4) <br />EGl at Culvert Entrance <br /> <br />CONCLUSION <br /> <br />4989.1 <br />4.63 <br />0.49 <br />.:t____U...H <br /> <br />i~!...2.Q. <br />+ 0.27 <br />0.40 <br />+ __Q....~l <br />4996.55 <br /> <br />The planned 11-14-11X6 triple concrete box culvert can be <br />set to convey 1434 CFS without increasing upstream water <br />surface elevations more than half a foot. <br /> <br />17 <br />