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Agency or organization name :Colorado Division Of Reclamation Mining And S <br />Permit or other job action :Amendment <br />Task description :Rip 8 grade pit floor and stockpile areas, <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series 11 - 8SU (200: <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank rinser <br />32 acres <br />Horsepower: 310 <br />Shift basis : 1 per day <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $58.24 NA <br /> Operating cost/hour : $73.75 100 <br /> Ripper op, casUhour : $3.43 50 <br /> Operator cosUhour : $32.78 NA <br /> Total unit cost/hour : $168.20 Total fleet cosUhour : $168.20 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 77,440 L CY factor : NA volume: 77,440 LCY <br /> <br />Source of estimated volume :Rclamation Plan <br />Source of estimated swell factor : NA <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 50 feet Material consistency : 1.10 (Cat HB) <br />Unadjusted hourly production : 1,400.0 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shifUday) <br />Partly consolidated stockpile Spoii pile : 0.80 (fnd-rl) <br /> Push gradient : 1.11 (Cat NB) <br />Average push gradient : 5.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,560 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.48 <br />Weight description <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.248 /LCY <br />Adjusted unit production : 678.20 LCY/hr <br />Adjusted Fleet production : 678.20 LCY/hr <br />Total job time : 114.19 Hours <br />Total job cost : $19,206 <br />