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NORMAL DEPTH CALCULATIONS FOR A TRAPAZOIDAL CHANNEL <br />Assume that side slope Z = 37:1[Assume that bottom B = 2 <br />AREA = y(B+Zy) nrinterl 77_A"r_o') <br />by: H. Jensen <br />wp = <br />B+2((Zy) ^ <br />2+y ^ 2) ^ (1/2) <br />R = A/wp <br />LOPE = <br />1.50% <br />Assume n = <br />0.120 <br />��1.310 <br />cfs 25YR <br />y <br />AREA <br />wp R <br />V <br />ZERO <br />0.48 <br />1.65 <br />5.04 0.33 <br />0.79 fps <br />-0.106 <br />0.49 <br />1.70 <br />5.10 0.33 <br />0.76 fps <br />-0.057 <br />0.52 1.85 5.29 0.35 0.70 fps 0.098 <br />