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6775 <br />6755 <br />z <br />0 <br />w <br />J <br />W <br />6735 <br />6715 <br />=iISE <br />z <br />O <br />H <br />W <br />J <br />W <br />6560 <br />6540 <br />6550 <br />z <br />0 <br />6530 <br />W <br />J <br />W <br />6510 <br />100' 200' 260 <br />PEAK FLOOD LEVEL <br />CONTAINING 7171 CFS <br />CHANNEL CROSS SECTION <br />AT UPSTREAM BOUNDARY OF SECTION 25 <br />o• <br />•l <br />PEAK FLOOD LEVEL <br />CONTAINING 7001 CFS <br />PEAK FLOOD LEVEL <br />CONTAINING 7004 CFS <br />CHANNEL CROSS SECTION <br />AT DOWNSTREAM BOUNDARY OF SECTION 25 <br />200' <br />Q = (1.49 \(P2 /3)(S 1121 <br />WHERE , n = 0.05 / <br />s = 0.03 ft. /ft. <br />a = 465.0 sq. ft. <br />p = 90 ft. <br />Q = 7171 CFS <br />ORE <br />SORTER <br />Q = / 1.49 )(p2 /3)(S 1/21 <br />WHERE, n = 0.05 / <br />s =0.03 ft. /ft. <br />a = 531.0 sq. ft. <br />p= 130ff. <br />Q = 7001 CFS <br />CHANNEL CROSS SECTION <br />ADJACENT TO ORE SORTER <br />200 <br />300 <br />m <br />CHANNEL CROSS - SECTIONAL AREA <br />MUST CONTAIN A MINIMUM OF <br />6990 CFS. <br />(1.49 \(2� SI /2) 0 pJJ 3 )( IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII <br />20561 <br />WHERE, n =0.05 FIGURE 2.2-1 <br />s = 0.03 ft./ ft. <br />a =376.0 sq. ft. COTTER CORPORATION <br />p= 55 ft. SCHWARTZWALDER MINE <br />Q =7004 CFS <br />