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Culvert F5 (Temporary) <br />Manning's Equation <br />Flow In a 30" Half Culvert <br />Flow Depth D 0.80 <br />Feet <br />Slope S 0.33 <br />Express as Decimal <br />Mannings "N" N 0.03 <br />Express as Decimal <br />AREA = Number Derived in AutoCad <br />1.35 FEET A2 <br />WETTED PERIMETER= (2*Pi*r)/2 <br />3.01 FEET <br />Number derived in AutoCad <br />R=AREA/WETTED PERIMETER <br />0.45 <br />=(1.49/N)*(RA.667)*(S".5)= 16.72 FT/SEC <br />IQ=AXV= 22.57 CFS <br />IQ REQUIRED - Peak Discharge * 21.75 CFS <br />*Flow from E. Diversion ditch <br />1.25' FLOW DEQ <br />(MAXIMUM) <br />30" !/2 CLC VERT <br />80' FLOW . Qr , <br />0.45' FREEB <br />VETTED PERIMETER <br />TR -89 App. B-69 08/14 <br />