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.' . � . . <br /> � . <br /> � rl -r ,� (L% �p_Q. !-lL� <br /> .--r:1 <br /> Orifice Design: Q = Ca �h <br /> where Q = Diacharge, cfs <br /> C = Coefficient of discharge <br /> a = area of orifice, sq. ft. <br /> g = acceleration of gravity, ft. per sec. z <br /> h = head on the center of orifice, ft . <br /> for C = 0. 62 <br /> Q = 1.296 <br /> 9 = 32.2 <br /> h - 7.11 . <br /> :. a � Q a 1.296 <br /> C �2gh (0.62) (2) (32.2) (7. 11) <br /> � = .098 oq. ft. <br /> a = 14. 11 oq. in. <br /> eince a = '�' r2 <br /> . . Radius � r � ,� = Z„�Z inches <br /> Y .�. <br /> � � <br /> :. U = �.2d inches ✓ <br />