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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 42A State :Colorado Permit/job # : C- 1981 -028 <br />Date : <br />User: <br />0910312010 <br />JHB <br />County :Weld <br />Site :Keenesburg Strip Mine <br />Abbreviation :none <br />Filename : CO28 -42A <br />Agency or organization name: Division Of Reclamation, Mining And Safety <br />Permit or other job action : SL5 <br />Task description: Rip 10,480 feet of internal roads <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D9R - 9SU (2005) Horsepower: 405 <br />Blade type : Semi - Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3 -shank ripper <br />Cost Breakdown : Ownership cost/hour : <br />Dozer operating cost/hour : <br />Ripper operating cost/hour : <br />Operator cost/hour : <br />Total unit cost/hour : <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA NA Load factor <br />Area : 12.00 acres Rip depth (ft) <br />Source of estimated quantity: Permit Maps <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity: NA feet/second <br />Unadjusted production : NA cu. yds. /hour <br />Data source : (CRG) <br />Utilization % <br />$66.25 NA <br />$101.59 100 <br />$8.11 100 <br />$38.54 NA <br />$214.49 Total fleet cost/hour: $214.49 <br />Selected estimating method : Area <br />NA Bank volume <br />1.50 Volume <br />NA <br />29,040 <br />BCY <br />BCY or CCY <br />Unadjusted production <br />per selected method : 2,155.04 cu. yds. /hour <br />Area : Avg. ripping depth : <br />1.50 <br />feet/pass <br />Site altitude : <br />5,000 <br />feet <br />Average ripping width : <br />7.67 <br />feet/pass <br />Altitude adjustment : <br />1.00 <br />(Cat HB) <br />Average ripping length : <br />500.00 <br />feet/pass <br />Job efficiency factor: <br />0.83 <br />(1 shift/day) <br />Average dozer speed : <br />88.00 <br />feet/minute <br />Net job correction : <br />0.83 <br />multiplier <br />Average maneuver time : <br />0.25 <br />minutes /pass <br />Production per unit area : <br />0.891 <br />acres /hour <br />Adjusted unit production : <br />1,788.69 <br />cu. yds. /hour <br />Unadjusted production : <br />2,155.04 <br />cu. yds. /hour <br />Adjusted fleet production : <br />1,788.69 <br />cu. yds. /hour <br />JOB TIME AND COST <br />Fleet size : <br />1 <br />dozer(s) <br />Total job time: <br />16.24 <br />hours <br />Unit cost : <br />$0.120 <br />per cu. yd. <br />Total job cost : <br />$3,482 <br />