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3/25/2013 Converted Holyoke Gun Club Pit Calculation Notes <br />Calclulations are based on work to a maximum of 16.25 affected acres. <br />Of the 16.25 acres, 15.0 acres will actually be the maximum disturbed. <br />Backfilling and grading <br />3,934 ft. Perimeter involved x 75 ft. (slope distance) = 295,050 sq.ft. <br />295,050 sq.ft. x 0.5 ft. (depth) = 147,525 cu.ft. <br />147,525 cu.ft. / 27 cu.ft. = 5,464 CY <br />15 Ac. x 43,560 sq.ft. Area in Acre = 653,400 sq.ft. <br />Area previously calculated + 295,050 sq.ft. <br />948,450 sq.ft. <br />Depth x 1 ft. <br />948,450 cu.ft. <br />948,450 cu.ft. <br />/ 27 cu.ft. = 35,128 CY <br />+ 5,464 CY <br />Total Cubic Yards to move 40,592 CY <br />Dozer will move 795 CY /Hour <br />40,592 CY / 795 CY /hour = 51.1 Hrs. <br />Replace Topsoil <br />0.5 ft. (inches of. topsoil) x 653,400 = 326,700 cu.ft. <br />(Total Area) <br />326,700 cu.ft. / 27 cu.ft. = 12,100 CY <br />Speedy Mover will move 117 CY /Hour <br />12,100 CY <br />12,100 CY / 117 CY /Hour = 103.4 Hrs. <br />