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Labor Rates and Various Adiustment Factors <br />Emplovees Includn:g O:erh.ead and Profit- RS Means (2007) Buildma Construction Costs Data <br />Job Type Base Pay Benefits Profit and Overhead final pay <br />Laborer 17 1.4 1.1307 S 26.91 <br />Equipment Operator (light) 24 1.4 1.1307 $ 37.99 <br />Carpenter 30 1.4 1.1307 $ 47.49 <br />Cement Finisher 30 1.4 1.1307 S 47.49 <br />Welder 30 14 11307 $ 47.49 <br />Adiustment Factors: Terry Tunnel Bulkhead Costs to 2007 Costs <br />Note: one foot added to Whirlwind Mine workings dimensions to account for notching of bulkheads <br />Whirlwind bulkhead perimeter area (10'+10'+13'+13')1.6'= 73.6 sq. ft. <br />Terry Tunnel bulkhead perimeter area (11'+11'+11'+11'x'= 352 sq. ft. <br />Whirlwind bulkhead reduction factor: 73.6/352= 0.21 <br />Whirlwind bulkhead perimeter length 10'+10'+13'+13'= 46 ft <br />Terry Tunnel bulkheads perimeter length 11'+11'+11'+11'= 44 ft <br />Whirlwind bulkhead increase factor: 46144= 1.05 <br />Whirlwind bulkhead cross sectional area 10'x13'= 130 sq. ft. each <br />Terry Tunnel bulkhead cross sectional area 11'x11'= 121 sq ft. each <br />Whirlwind bulkhead increase factor: 130!121= 1.07 <br />Whirlwind bulkhead volume. (10'x13'x1.6'!)27= 7.7 cu. yd. each <br />Terry Tunnel bulkhead volume: (11'x11'x8')l27= 35.9 cu. yd. each <br />Whirlwind increase Factor: 7.7/35.9= 0.21 <br />$22.13 per hr <br />$26.91 per hr <br />1.18 <br />Ventilation: <br />Whirlwind portal elevation 7084' Whirlwind bulkhead elevation 6936' Whirlwind driven at 6% grade <br />2467 linear feet from portal to Whirlwind bulkhead location <br />Terry Tunnel bulkhead 3800 linear feet (actual) inby the portal <br />Whirlwind bulkhead ventilation reduction factor. 2467/3800 = 0.65 <br />