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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 02a State : Colorado Permit/job # : M-1978-305 <br />Date : 0712012008 County : Gunnison Abbreviation :none <br />User: SSS Site :Dickerson Pit Filename :M305-02a <br />Agency or organization name: DRMS <br />Permit or other job action : Succession of Operator #4 <br />Task description : Rip wedge of highwall to reduce to 2:1 <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D7R DS Series 11 - 7SU <br />Blade type : Semi-Universal <br />Attachment no. 1 :BOPS Cab <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 : <br />Horsepower: 240 <br />Shiftbasis : 1 Der day <br />Data source : (CRG) <br />Utilization % <br />$46.68 NA <br />$56.19 100 <br />$4.30 100 <br />$32.78 NA <br />$139.95 Total fleet cost/hour : $139.95 <br />Selected estimating method : Area <br />Load factor : NA Bank volume <br />BCY <br />Area : 4.00 acres Rip depth (ft) : 2.00 Volume : 12,907 BCY or CCY <br /> <br />Source of estimated quantity : TR-03 - map Multiple lifts to be ripped and pushed <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 : 1,108.53 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 7,600 feet <br />Average ripping width : 6.50 -feet/pass Altitude adjustment : 0.93 (Cat HB) <br />Average ripping length : 150.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.77 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.687 acres/hour Adjusted unit production : 855.67 cu. yds./hour <br />Unadjusted production : 1,108.53 cu. yds./hour Adjusted fleet production : 855.67 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 15.08 hours <br />Unit cost : $0.164 per cu. yd. Total job cost : $2,111 <br /> <br />NA <br />NA <br />NA