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Revised 7/8/82 <br />Bear No. 3 Drainage Calculations <br />• <br />Drainage Area (sq ft) 1,066,904 <br />(acres) 24.5 <br />Maximum Elevation (ft) 6,762 <br />Minimum Elevation (ft) 6,003. <br />Drainage Height (ft) 759 <br />Length of Contour (ft) <br />LC25 6,190 997 <br />LC50 6,380 850 <br />LC75 6,570 423 <br />Average Slope (%) 40.4 <br />Hydraulic Length (ft) 1,990 <br /> Curve Runoff for 10-yr, 24-hr event <br />Sub-Area Acres Number Factor Sinches for 1.6" rain) <br /> <br />• Surface Facilities <br />and Roads 7.0 90 1.00 0.76 <br />Natural 17.5 70 0.11 0.11 <br />Soil Group C <br />Cover: 38% Natural, 0 % Disturbed <br />Juniper-Grass <br />Average 10-yr, 24-hr runoff (in) 0.30 <br />Average Curve Number 79 <br />Runoff Volume (acre-f t) .60 <br />• <br />