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<br />Table 19. Design Depths for Major Diversion Channels. <br />Channel Velocity 10-Year Peak Normal Velocity 25-Yeer <br />Alter- Normal (lead Required Design 25-Year 25-Yeer Head Design <br />native Slope Depth (waves) Freeboard Depth Discharge Depth Velocity (waves) Depth <br /> (feet) (feet) (feet) (feet) (cfe) (feet) (fps) (feet) (feet) <br />15-A O.1t5 1.R 3.0 0.3 5.1 469 2.1 14.5 3.3 5.7 <br />15-8 0.170 1.6 3.0 0.3 4.9 469 1.8 15.0 3.5 5.6 <br />15-C 0.077 2.1 1.R 0.71 4.6 469 2.5 11.2 1.9 5.1 <br />15-D 0.077 1.9 1.5 0.71 4.1 469 2.2 10.4 1.7 4.6 <br />17-A O.OB3 2.G 3.0 1.02 6.6 1281 3.0 15.1 3.5 7.5 <br />17-8 O.Otl3 2.3 2.7 1.02 6.0 1281 2.7 14.1 3.1 6.8 <br />17-C 0.067 2.6 2.R 0.93 6.3 1281 3.1 14.2 3.1 7.1 <br />17-D 0.067 2.4 2.5 0.93 S.B 1281 3.2 13.4 2.8 6.9 <br />1 Includes 0.4 feet superelevation <br />2 Includes 0.7 fee[ superelevation <br />3 Includes 0.6 feet superelevation <br />m <br /> <br />