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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 08a State :Colorado Permit/job # : P-2008-046 <br />Date : 0211512011 County: Rio Blanco Abbreviation :none <br />User : THM Site :Amso Filename :P046-08a <br />Agency or organization name: DRMS <br />_ <br />Permit or other job action :Final Reclamation Cost Estimate <br />Task description : Rip 1.4 acres of access road <br /> <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D7R DS Series 11 - 7SU Horsepower : 240 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day <br />Attachment no. 2 :3-shank ripper <br /> Data source: (CRG) <br /> - <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $43.75 NA <br />Dozer operating cost/hour : $64.48 100 <br />Ripper operating cost/hour : $5.32 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $152.09 Total fleet cost/hour : $152.09 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 1.40 acres Rip depth (ft) : 2.00 Volume : 4,517 BCY or CCY <br /> <br />Source of estimated quantity : Proposed road conditions <br />Source of estimated load factor :NA <br /> <br />HOURLY PRODUCTION <br />Alternate methods - Job Condition Correction Factors - <br />Seismic : Seismic velocity : NA feet/second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 2,368.53 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.00 feet/pass Site altitude : 6,900 feet <br />Average ripping width : 6.50 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 300.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.734 acres/hour Adjusted unit production : 1,965.88 cu. yds./hour <br />Unadjusted production : 2,368.53 cu. yds./hour Adjusted fleet production : 1,965.88 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 2.30 hours <br />Unit cost : $0.077 per cu. yd. Total job cost : $349 <br />