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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 001 State :Colorado Permit/job# M-1991-081 <br />Date <br />User <br />01/31/2008 <br />KAP <br />County : Huerfano <br />Site : Keeling Pit <br />Abbreviation :none <br />Filename :M081-001 <br />Agency or. organization name : Colorado Division Of Reclamation Mining And Safety <br />Permit or other job action : Bond Recalculation related to Inspection <br />Task description :Grade highwalls 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 : 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: . $57.13 NA <br /> Operating cost/hour : $77.13 100 <br /> Ripper op. cost/hour : $0.00 <br />--- 0 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $167.03 Total fleet cost/hour : $167.03 <br /> <br />_... . <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 15,000 BCY factor : 1.330 volume : 19,950 LCY <br /> <br />Source of estimated volume :Inspection <br />Source of estimated swell factor :decomposed rock <br />- ------------ - - - ---------- <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 50 feet Material consistency : 0.90 (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 (1shift/day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 1.60 (Cat HB) <br />Average push gradient : 30.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,600 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 : 796.61 LCY/hr <br /> Adjusted fleet production : 796.61 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 25.04 Hours <br />Unit cost : $0.210 /LCY Total job cost : $4,183