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Natural Open Channel Flow <br /> back to I&E form <br /> Project: Ron Helm 1 .486 2 1 <br /> Assisted by: Rob Meats Q = AR 3 S2 <br /> Date: 4/27/2022 h <br /> Channel Slope(S): 0.003600 ft/ft assumin-g uniform stead flow <br /> Manning's n: 0.040 Q Use this Cross-Section for Bankfull Determination <br /> Flow Depth: 2.7 ft <br /> Trial Depth 2 Trial Depth 3 <br /> Survey Data: Selected Flow Depth: 2.7 ft <br /> Grade Rod ft Distance fit Channel Flow(Q): 136.8 cfs <br /> 1.1 0 Channel Velocity: 3.1 ft/sec <br /> 3.5 11 Cross-Sectional Area(A): 43.7 sq.ft. <br /> 3.8 35 Hydraulic Radius (R): 1.7 ft <br /> 9.4 53 <br /> 9.9 63 0 2040 lance 100 120 140 <br /> 10.5 69 0.0 <br /> 9.3 72 <br /> 6.3 73 <br /> 6.0 85 <br /> 5.4 107 <br /> 1.5 122 <br /> 10.0 M <br /> O <br /> fY <br /> _ M- IL __.__. __--.__. _e. _ 20.0 <br /> COMMENTS: <br /> Page 159 of 221 <br />