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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Pfione~. (303) 866-3567 <br />FAX: (303) 832-8106 <br />DATE: November 14, 2007 <br />TO: Russ Means <br />FROM: Allen Sorenson ~/' `~ <br />COLORADO <br />DIVISION OF <br />RECLAMATION <br />MINING <br />-St- <br />SAFETY <br />Bill Ritter, lr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />Ronald W. Cattany <br />RE: Bulkhead Costs, Energy Fuels Resources Corporation, Division Director <br />Whlrlwmd Mlne, File No. M-2007-044 Natural Resource Trustee <br />Labor Rates and Various Adiustment Factors <br />Emnlovees Includin¢ Overhead and Profit - RS Means (2007) Buildine Construction Cost Data <br />Laborer $41.65 <br />Equipment Operator (light) $53.45 <br />Carpenter $54.30 <br />Cement Finisher $49.20 <br />Welder $69.40 <br />Adiustment Factors: 1996 Terrv Tunnel Bulkhead Costs to 2007 Costs <br />Note: one foot added to Whirlwind Mine workings dimensions to account for notching of bulkheads <br />Decline bulkheads perimeter area (10'+10'+13'+13')1.6' = 73.6 sq. ft. each <br />Pack Rat bulkhead perimeter area (10'+10'+13'+13')2.8' = 128.8 sq. ft. <br />Terry Tunnel bulkhead perimeter area (11'+11'+11'+11')8' = 352 sq. ft. <br />Decline bulkheads reduction factor: 73.6/352 = 0.21 <br />Pack Rat bulkhead reduction factor: 128.8/352 = 0.37 <br />Decline and Pack Rat bulkheads perimeter length 10'+10'+13'+13' = 46 ft. each <br />Terry Tunnel bulkhead perimeter length 11'+11'+11'+11' = 44 ft. <br />Decline and Pack Rat bulkheads increase factor: 46 /44 = 1.05 <br />Decline and Pack Rat bulkheads cross sectional area 10'x13' = 130 sq. ft. each <br />Terry Tunnel bulkhead cross sectional area 11'x 11' = 121 sq. ft. <br />Decline and Pack Rat bulkheads increase factor: 130 /121 = 1.07 <br />Decline bulkheads volume: 7.7 cu. yd. each <br />Pack Rat bulkhead volume: 13.5 cu. yd. <br />Terry Tunnel bulkhead volume (11'x1 1'x8')/27 cu. ft./cu. yd. = 35.9 cu. yd. <br />Decline bulkheads reduction factor: 7.7/35.9 = 0.21 <br />Pack Rat bulkhead reduction factor: 13.5/35.9 = 0.38 <br />19961aborer $16.39/hr. + 35% benefits = $22.13/hr. <br />20071aborer $41.65/hr. <br />Labor increase factor = 41.65!22.13 = 1.88 <br />Office of Office of <br />Mined Land Reclamation Denver Grand Junction Durango Active and Inactive Mines <br />