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6 <br />Sediment Pond #2 Outlet Channel <br />Worksheet for Trapezoidal Channel <br />Project Description <br />Project File c: \haestad \haestad\fmw\nuvemco .fm2 <br />Worksheet Sediment Pond #2 outlet Channel <br />Flow Element Trapezoidal Channel <br />Method Manning's Formula <br />Solve For Channel Depth <br />Input Data <br />Mannings Coefficient <br />0.040 Rough rock <br />Channel Slope <br />0.100000 f ift Reshaped slope <br />Left Side Slope <br />3.000000 H : V <br />Right Side Slope <br />3.000000 H: V <br />Bottom Width <br />8.00 ft <br />Discharge <br />1.00 cfs <br />Results <br />Depth <br />0.07 <br />ft <br />Flow Area <br />0.53 <br />ft 2 <br />Wetted Perimeter <br />8.41 <br />ft <br />Top Width <br />8.39 <br />ft . <br />Critical Depth <br />0.08 <br />ft <br />Critical Slope <br />0.055346 ft/ft <br />Velocity <br />1.87 <br />ft/s <br />Velocity Head <br />0.05 <br />ft <br />Speck Energy <br />0.12 <br />ft <br />Froude Number <br />1.31 <br />Flow is supercritical. <br /><2.50 ft /s for broken stone or hardpan. <br />The Outlet Channel will be re- shaped to slope 0.10 ft /ft from 0.18 ft /ft. <br />Existing rough rock will be used to re -slope to Elevation 6295. <br />03/06!10 <br />09:39:32 AM <br />Haestad Methods, Inc. 37 Brookside Road Waterbury, CT 06708 (203) 755 -1666 <br />FlowMaster v5.08 <br />Page 1 of 1 <br />