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Agency or organization name :DRMS <br />Permit or other job action :AR-04 bond review <br />Task description :Highwall reduction from 0.5H:1V to 3H:1V <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series Il - 8U (2005) Horsepower : 310 <br />Blade type :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 cosUhour : $58.50 NA <br /> Operating cosUhour : $74.00 100 <br /> Ripper op. cosUhour : $1.71 25 <br /> Operator cosVhour : $32.78 NA <br /> Total unit cosUhour : $167.00 Total fleet cost/hour : $167.00 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 10,920 LCY factor : NA volume : 10,920 LCY <br />Source of estimated volume :8/26/02 calculation from AM-01 <br />Source of estimated swell factor :NA <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance : 50 feet <br />Unadjusted hourly production : 1,627.0 LCY/hr <br />Material consistency description <br />Compacted /ill or embankment <br />Average push gradient : 15.00 % (~ <br />Average site altitude : 7,500 feet <br />Material weight: 2,900 !bs/LCY <br />Weight description <br />Decomposed rock - 50% Rock, 50% Earth <br />Operator skill : 0.75 (avg.) <br />Materia( consistency : 0.90 (Cat HB) <br />Dozing method : 1,00 (gen.) _ <br />Visibility : 1.00 (avg.) <br />Jobeffciency : 0.83 (lshiff/day) <br />Spoil pile : 0.80 (fnd-r~ <br />Push gradient : 1.33 (Cat HB) <br />Altitude : 1.00 (Ca[ HB) <br />Material weight : 0.79 (Cat HB) _ <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.47 <br />Adjusted unit production : 768.38 LCY/hr <br />Adjusted fleet production : 768.38 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 14.21 Hours <br />Unit cost : $0.217 /LCY Total job cost : $2,373 <br />