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96-016 13.K.Trestment Orifice <br />Two Rivers Engineering <br />Roject Name <br />Everett Burger King <br />Project Number <br />96-016 <br />Date <br />2/20/97 <br />Sin k Orifice Cale ulations <br />A=(Q/(C*(2gH)^1/2))*144 <br />Equation <br />C A (2 <br />H)^i/2 <br />Q. cfs <br />A = Pie D^2/4 <br />c= Coef of discharge <br />A. orifice area ,ft^2 <br />D=(4A/3.14)^.5 <br />= Gravity 32.2 <br />H. head ft. <br />C. <br />0.61 <br />KI Handbook of Hydraulics Table 4-5 <br />Everett Design Criteria <br />Minimum orifice diameter <br />1 <br />inch <br />area- <br />0.005 <br />in^2 <br />appnoste head <br />5 <br />feet <br />discharge = <br />0.06 <br />cfs <br />