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'i I <br /> i <br /> ! <br /> � RIC.NARD HARRIS <br /> � <br /> 4 = �a Zgh <br /> � ' ' QRIFIC�� <br /> where 4 = Discharge, cfs <br /> � = Coefficient of discharge <br /> s uare feet ���' <br /> a = area of orifice, 4 2 <br /> g = acceleration of gravity, ft. per sec . <br /> A h = head on the center of orifice, ft. ' <br />, for C = 0 .62 <br />� = 0 .096 <br /> Q <br /> 9 = 32.2 <br /> h = 3 .4 <br /> Ili 0.096 <br /> a = —4— _ (p.62) (2) (32.2��+� <br /> C ,` ��T <br /> II <br />' a � .010 . Sq, ft. _ <br /> i <br /> a = 1.51 Sq. in. <br /> . r <br /> since a ='il' rZ <br /> ,� _ 0.69 inches <br /> �^ ` � Radius = r -� <br /> �,�:��,- � <br /> p _ 1.38 inches Standards <br /> p , Z,00 minimum size , City of Everett <br /> , � <br /> I <br /> ; <br /> -3' <br /> I._ J <br /> � - <br />