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Table 3.7-1 Page 14 <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depamnent of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866.3567 <br />FAX: D03) 832106 <br />McClane Cauyon Mine <br />C-80-004 <br />2004 Midterm Re~~ew <br />JRS . <br />26 January 2004 <br />OLORADO <br />I V I g l O N O F <br />iINERALS <br />(GEOLOGY <br />AECIAMATION•MINING <br />SAFETriSCIEN C[ <br />Bill Owem <br />Gtrvemor <br />Greg E. Walther <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />TASK 011: Stream Channel Erosion Protection $ 34,520.48 <br />Riprap protection for channels R-2, R-5, R-6 and R-8 requires 650 cu. yd. of <br />riprap. The cost of riprap, machine placed, is $32.40/cu. yd. (2001 RS Means Site <br />Work and Landscape Cost Data, Section 02370 300 0100). <br /> <br />(650 cu. yd.) x ($32.40/cu. yd.) _ $21,060.00 <br />Erosion blanket protection for channels R-1, R-3, R-4, R-7 and R-12 requires <br />1912 sq. yd. of blanket. The cost of the blanket, including installation, is <br />$7.04/sq. yd. (2001 RS Means Site Work and Landscape Cost Data, Section <br />02370 550 0064). <br />(1912 sq. yd.) x ($7.04/sq.yd.) _ $13,460.48 <br />Total erosion control = ($21,060) + ($13,460.48) _ $34,520.48 <br />L_J <br />Office o! Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />