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M-1994-027 - Longmont Operation <br />Updated Table L-1- Estimated Reclamation Costs <br />September 21, 2016 <br />Approximate <br />Cost per <br />Activity <br />Amount <br />Unit <br />Unit <br />Total Cost <br />Two-inch caliper cottonwoods <br />at 40 -foot centers along <br />1. 1 <br />Boulder Creek <br />70 <br />Tree <br />75.001 <br />$5,250 <br />Backtill and surtace <br />preparation for reclaimed <br />perimeter slopes at ±420 ft'/LF <br />times 13,000 LF = 5,460,000 ft' <br />2. 1= <br />202,222 yd <br />202,200 <br />cu.yd. <br />5.55 <br />$1,122,210 <br />No construction of earth <br />3a. <br />embankment <br />0 <br />cu.yd. <br />0.00 <br />$0 <br />Backfill and surface <br />preparation for optional earth <br />embankment dike at ±710 <br />ft3/LF times 4,500 LF = <br />3b. <br />3,195,000 ft -3 = 118,333 yd3 <br />118,300 <br />cu.yd. <br />5.55 <br />$656,565 <br />Drill -seed backfilled slopes <br />above high water line (includes <br />4. <br />embankment dike slope area) <br />29 <br />acre <br />675.00 <br />$19,575 <br />Slurry wall - 13,000 LF times <br />5. <br />average 16 ft. depth <br />208,000 <br />sq.ft. <br />5.50 <br />$1,144,000 <br />TOTAL <br />$2,947,600 <br />