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i <br /> r ��,��,�.... <br /> Solvi for the Notch Weir equallon. <br /> iL,,,��- (�H"�)+ (02H) wMere: <br /> �is Q„�„from above(cfs) . <br /> 1 � � <br /> C is the Rehbock coefficeM <br /> C= 327+0.4(H/P) <br /> �. C= 3:28E6Y8 <br /> H,�„is the height of weir notch(R) <br /> ' H,,,r 0:2 <br /> Cfwck Baf1N Annuhr Aroa. CMek WNr LenyEh• <br /> � Riser Diemeter(inches). Albwable Length(It). <br /> Dia,�.� ,'� L.rbw.n,= 3:14 = n Dle,yi/2 <br /> ' BelNe Diemeter(inches). <br /> p�= ap. Ca�ulated Length(ft). <br /> l,,,r 2.9# (from above) <br /> � Area o/Rlser(s�. ' <br /> �4wr= 3i1416 = a ����2)` ���' . <br /> Area ol BefBe(sn. <br /> t Ae.m.= 4:9087 = a (Dian.niJ2)Z <br /> � M.nularArea (sn. <br /> A,�,,,�„= 1.7671 = Ao.n�.-�x <br /> � /b,�,= 0.9821 (from above) <br /> � <br /> ' <br /> I <br /> I <br /> ( <br /> � o <br /> INotchWeir.xls ���� <br />