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<br />Table TR-86-2-3 <br /> <br />SEDIMENTATION POND 'F• - EMERGENCY SPILLWAY DESIGN <br />• <br />• <br />Emergency Spillway Invert Elevation (feet) <br />Discharge Culvert Center Elevation (feet) <br />Outlet Head (H in feet) <br />Pipe Area (a in sq feet) <br />Discharge (Coefficient (C) <br />Q = La (2gH)0.5 = 18.7 cfs <br />(Drop inlet culvert, orifice control discharge flow) <br />Design Peak Discharge (Q in cfs, (36.8 - 18.7)) <br />Discharge Coefficient (C = 0.544 (g) 1/2) <br />Weir Width ( in feet) <br /> Q <br />Hec,r = 13.087 b <br /> Q <br />1 <br />Yc,r = 2 Hec,r Hp = 3.0876 b <br /> 3 <br /> Hp = 0.44 feet <br />Discharge Head (Hp in feet) <br />Exhibit 13 - 1(r) <br />09-22-86 <br />6,827.0 <br />6,822.0 <br />5.0 <br />1.77 <br />0.59 <br />18.1 <br />20.0 <br />0.44' <br />_ =~" <br />