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Culvert F5 (Temporary) <br />Manning's Equation <br />Flow In a 30" Half Culvert <br />Flow Depth D 0.80 Feet <br />Slope S 0.33 Express as Decimal <br />Mannings "N" N 0.03 Express as Decimal <br />AREA = Number Derived in AutoCad 1.35 FEET ^2 <br />WETTED PERIMETER= (2 *Pi *r) /2 3.01 FEET <br />Number derived in AutoCad <br />R= AREA /WETTED PERIMETER 0.45 <br />V= (1.49/N) *(R ".667) *(S ".5) = 16.72 FT /SEC <br />IQ =AXV= 22.57 CFS <br />Q REQUIRED - Peak Discharge * 21.75 CFS <br />*Flow from E. Diversion ditch <br />30" 112 CCLVERT 0.45' FREEBOARD <br />.4RE <br />WETTED PERIMETER <br />1.25' FLOw DEPTH .80' FLOW DEPTH <br />(MAXIMUM) <br />TR -89 App. B -69 08/14 <br />