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~a <br />~, <br />~~ <br />W N <br />9 <br />3 <br />V <br />(D <br />J. <br />N <br />(D <br />d <br />2 <br />O <br />(D <br />Q <br />(D <br />r <br />~O <br />tD <br />W <br /> • •~ <br /> Table 20 <br /> MINE AREA - CULVERT DESIGN SUMMARY <br />Culvert 10-Year, 24-Hour Event Required Actual <br /> Peak Discharge Culvert Diameter Culvert Diameter <br /> (cfs) HW/D (in) (in) <br />Pond No. 1 <br />Inlet Culvert (35) 2.09 1.2 12 16 <br />Inlet Culvert (33) 3.39 1.5 12 12 <br />Pond No. 5 <br />Inlet Culverts 27.33 1.0 One-36 One-24 <br /> One-30 <br />Yard Area Catch <br />Basin Culvert 7.37 1.0 21 24 <br />Access Road Culvert 11.62 1.0 24 30 <br />