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JBird Mine Stormwater Design TR55 Input Data and Results (Arc) <br />D1 <br />D2 <br />D3 <br />D4 <br />D5 <br />D6 <br />D7 <br />Subarea Lengths <br />SubArea Flow Distance ft. <br />D1 840 <br />D2 270 <br />D3 595 <br />D4 180 <br />D5 682 <br />D6 718 <br />D7 315 <br /> ft type Slope Delta Distance ft/ft Source <br /> 590 shallow concentrated 40 266.67 0.150 Quad <br /> 190 channel 16 180 0.089 1' topo <br /> 60 channel 2 60 0.033 V topo <br /> 172 shallow concentrated 3 41.25 0.073 1' topo <br /> 78 shallow concentrated 9 48.75 0.185 1' topo <br /> 20 channel 1 30 0.033 1'topo <br /> 243 shallow concentrated 3 45 0.067 V topo <br /> 92 shallow concentrated 9 45 0.200 V topo <br /> 260 channel 20 400 0.050 quad <br /> 30 sheet flow 7 100 0.070 1' topo <br /> 150 shallow concentrated 7 100 0.070 1' topo <br /> 277 shallow concentrated 8 62.5 0.128 V topo <br /> 405 shallow concentrated 40 300 0.133 quad <br /> 460 shallow concentrated 40 433 0.092 quad estimated <br /> 258 channel 15 200 0.075 quad estimated <br /> 315 shallow concentrated 20 400 0.050 quad <br />Results <br />100yr-24hr flow volumes from TR-55 <br />Water Depth = 0.133333 ft <br />Drainage Area = 0.7 acres <br />Volume = 0.093333 acre-ft 4065.6 tuft <br />Water Depth = 0.1185 ft <br />Drainage Area = 3 acres <br />Volume = 0.3555 acre-ft 15485.58 tuft <br />Water Depth = 0.0725 ft <br />Drainage Area = 0.07 acres <br />Volume = 0.005075 acre-ft 221.067 cult <br />JBird Mine Stormwater Design 01/13/09 Gault Group Inc.