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~ -29- <br />C. Cost/hr for Scraper (use Cat 633D) <br />Base rate: $20,625.00/mo. - 176 hrs/mo. <br />Location adj. _ $117.19 x 1.05 <br />Operator wages (from Means Cost Data) <br />Operating Cost/hr <br />TOTAL HOURLY COST <br />D. Revegetation Costs/acre <br />_ $117.19 <br />_ $ 123.05/hr <br />= 20.20/hr <br />= 51.75/hr <br />The estimate of $1,093.00/acre provided on page 3.01-5 of the <br />revised application is adequate at the present time. <br />2. <br />Estimated Hourly Production Figures <br />A. Motor Grader (Cat 16G) <br />The estimated production figure of one acre/hour provided on <br />page 3.01-2 of the revised application is acceptable. <br />B. Blasting <br />Based on a review of the current status of pit development at <br />the mine, it appears that no surface blasting will be required <br />during reclamation. Therefore, the blasting cost figures <br />provided in the Bond Calculations were not considered during <br />the review. <br />C. Dozer Work (Cat D-9L) <br />Unadjusted hourly production (pages 42 & 44, Cat Handbook). <br />1,000 LCY/hr (assuming 100 foot push distance is accurate) <br />Job Condition Correction Facto <br />Operator - .75 <br />Material - .95 <br />Side by Side dozing - 1.20 <br />Job efficiency - .84 <br />Grade - 1.20 <br />Altitude - 1.00 <br />~S <br />^s = <br />(average operator) <br />(average between loose stockpile <br />& blasting rock) <br />(50 min/hr) <br />(20% favorable) <br />(no deration below 7,500 feet) <br />Adjusted hourly production = 860 LCY/hr <br />Adjusted unit cost = $.189/LCY <br />