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Vo ~, ~ - L3 <br />SIE " ~xti •~ <br />~~ lah 3.l~ <br />SEDCAD+ CULVERT SIZING UTILITY III IIIIII~III~II~II <br />E-2-B and E-2-C 999 <br />Design Discharge = 8.900 cfs <br />Entrance Loss Coefficient = 0.9 <br />Pipe Length = 25.000 feet <br />Pipe Slope - 2.000 ~ <br />Manning's n = 0.024 <br />Maximum Headwater = 2.000 feet <br />Tailwater Depth = 1.200 feet <br />Smallest Diameter Required to Pass Flow is 21 inches <br />I, PATRICK K. SOLLARS, A REGISTERED PROFESSIONAL ENGINEER IN THE STATE <br />OF COLORADO, DO HEREBY CERTIFY THAT THE CULVERT DESIGN CALCULATIONS FOR <br />TWENTYMILE COAL COMPANY, CULVERTS E-2-B AND E-2-C (E1(HIBIT 8, PAGE <br />205), ARE TRUE AND CORRECT TO THE BEST OF MY KNOWLEDGE AND BELIEF BASED <br />UPON MY INQUIRY Of THE PERSON RESPONSIBLE FOR COMPLETING THE DESIGN. <br />PAERINO.K29102LAR5 \`\~~~~~~cCn R c~~~~E <br />~, ;~ aea~a y° <br />:. : `~w <br />~~'''~iss~O.NAL E~~~~\\. <br />~~--~ <br />TAB 3.11, PG 1 <br />Permit Renewal No. 3 <br />FORMERLY Ex. 8-205 11/x/99 <br />