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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task 020 State : Colorado Permit/job #: C-1982-057 <br />Date : 08/05/2008 County : Rout- _ Abbreviation :none <br />User: - JRS T Site :Seneca /i-W Filename : C057-020 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2008 Midterm Review <br />Task description : Rip Facilities Area <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D11 R - 11 U (2005) Horse er : 850 <br />Blade type : 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 : $174.40 NA <br />Dozer operating costihour : $225.78 100 <br />Ripper operating cost/hour : $12.82 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $445.78 Total fleet cost/hour : $1,783.10 <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA <br />Area : 17.50 <br />NA Load factor <br />acres Rip depth (ft) <br />Selected estimating method <br />NA Bank volume <br />3.00 Volume <br />Area <br />NA BCY <br />84,700 ?BCY or CCY <br />Source of estimated quantity: Page 25-1-19 <br />Source of estimated load factor :NA <br />--- - ------------ <br />- <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 : 6,286.32 cu. yds./hour <br />Area : Avg. ripping depth : 151 feet/pass Site attitude : 7,500 feet <br />Average ripping width. 9.83 feet/pass Attitude adjustment : 1 00 (Cat HB) <br />Average ripping length : 300.00 feet/pass Job efficiency factor 0,83 (1 shiftiday) <br />Average dozer speed : 88.00 <br />-------- feet/minute Net job correction : <br />_ 0.83 multiplier <br /> <br />Average maneuver time : <br />0.25 <br />minutes/pass ..,_..------_... - -- <br />Production per unit area : -1_ f 10_ acres/hour <br />Adjusted unit production : <br />5,217.64 <br />cu. yds./hour <br />Unadjusted production : 6,286.32 cu. yds./hour Adjusted fleet production : 20,870.57 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 4.06 hours <br />Unit cost : $0.085 per cu. yd. Total job cast $7,236