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• Reclamation Cosls - C-CM-25 Mi• <br />3/12/99 -Page 1 <br /> Present <br />Casts Permitted <br />Future Costs Future Costs <br />Non DMG <br />Mine Portal - 9' x 11', Portal in lace <br />Minable ore 50,488 tons <br />10 ears of roduction, Driftin 1,200 feet <br /> <br />Waste dum contourin costs <br />50,488 minable tons 5.7 ft. thick ore zone with <br />3.3 feet of waste = 29,230 tons of waste x 18ft3/ton <br />+ 27 ft3/ d3 = 19,487 Ic ; Plus 1,200 ft. drift <br />9'x11' x swell factor of 1.26 + 27 ft3/ d3 = 5,544 Ic <br /> <br />19,487 Ic + 5,544 Ic = 25,031 Ic x 25% <br />contouring factor and a roduction rate of 410 <br />Ic /hr = 16 hrs x $50/hr. 800 <br /> <br />Current Waste Dump Contouring Costs <br />CM-25 Dum -The ma orit of the dum is inaccessible <br />with limited dozer work to contour the accessible ortion <br />of the dum 3 hrs x $50/hr. 150 <br /> <br />Sur rise No.1 Dump <br />100' long x 150' wide x 18' hi h + 27 ft3/yd3 = 10,000 Ic <br />x 25% contouring factor = 2,500 + 410 Icy/hr = 6.1 hrs <br />x $50lhr. 305 <br /> <br />Portal Closures <br />CM-25 ortal 9' x 11' with steel sets <br />70 man hours $23.50lhr (3 men) 1645 <br /> <br />Sur rise No. 1 decline closure 6' x 6' ortal with rail <br />45 man hours $23.50/hr (3 men) 1058 <br /> <br />Cost of Steel <br />Steel late''/s'x4'x 8' (32 ft x$6.30/ft) $202 202 202 <br />I Beams, 6" $4/ft 50 30 <br /> <br />Backfill Portals $50/hr. 250 150 <br /> <br />Vent hole closures <br />Vent hole 2 ea. - $23.50/hr. 300 541 <br /> <br />Cost of Pal urethane Foam <br />Vent holes 250 550 <br /> <br />Breaku concrete ad - $50/hr. 200 <br />Backfill Vent Holes $50/hr. 50 200 <br />E ui menl Costs $50/hr. 100 500 <br /> <br />Welding costs <br />Oxygen and Acet lene bottles, lset $100/set. 100 100 <br />Welding Rod, 1/8", 7018, 1 can $60/ea. 60 60 <br />Welder cost 200 200 <br /> <br />RECCM25.XLS - Sheetl -Page 1 <br />