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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 001 State : Colorado <br />Date : 0510912009 County : Grand <br />User : PSH Site : Bumgardner Ranches Grave <br />Agency or organization name : Colorado Department Of Reclamation, Mining And Safety <br />Permit or other job action : Revised Bond Calculation <br />Task description : Reduce Highwall to 3:1 <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 8SU (200: Horsepower : 310 <br />Blade type :Semi-Universal <br />Attachment no. 1 :BOPS Cab Shiftbasis : 1 per day <br />Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $57.13 NA <br /> Operating cost/hour : $77.13 100 <br /> Ripper op. cost/hour : $3.35 50 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $170.39 Total fl eet cost/hour : $170.39 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 10,250 B CY factor : 1.124 volume: 11,517 LCY <br /> <br />Source of estimate d volume : DRMS <br />Source of estimated swell factor :DRMS <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 50 feet Material consistency : 1.00 (Cat HB) <br />Unadjusted hourly production : 1,400.0 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (a vg.) <br />Material consistency description : Job efficiency : 0.83 (l shift/day) <br />Consolidated stockpile Spoil pile: 1.00 (doz-oc) <br /> Push gradient : 1.00 (Cat HB) <br />Average push gradient : 0.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude ; 7,500 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.49 <br />Weight description : <br />Sand and gravel - Dry Adjusted unit production : 690.94 LCY/hr <br />Adjusted fleet production : 690.94 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 7 Dozer(s) Total job time : 16.67 Hours <br />Unit cost : $0.247 /LCY Total job cost : $2,840 <br />Permit/job# : M1980027 <br />Abbreviation :none <br />Filename :M027-001