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Agency or organization name : DRMS <br />Permit or other job action :Amendment AM-2 <br />Task description :Reduce highwall to final gradient <br /> <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11- 8SU (200,1 Horsepower : 310 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br /> Data source: (CRG) <br /> Utilization % - <br />Cost Breakdown : Ownership cost/hour : $53.74 NA <br />Operating cost/hour : $70.63 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $162.90 Total fleet cost/hour : $162.90 <br />...... <br />MATERIAL QUANTITIES ...... ..... <br />Initial Swell Loose <br />volume : 63,889 CCY factor : 1.165 volume : 74,431 LCY <br /> <br />Source of estimated volume :application <br />Source of estimated swell factor :na <br /> <br />.:. _ ...:; ...... <br />... <br />HOURLY PRODUCTION Job Condition Correction Factors <br /> <br />Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 852.6 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Compacted fill or embankment Spoil pile: 0.80 (fnd-rt) <br /> Push gradient : 1.60 (Cat HB) <br />Average push gradient : 30.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,700 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.57 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 485.13 LCY/hr <br /> Adjusted fleet production : 485.13 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 153.42 Hours <br />Unit cost : $0.336 /LCY Total job cost : $24,993 <br />