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CIRCES Cost Estimating Software <br /> BULLDOZER RIPPING WORK <br /> PROJECT IDENTIFICATION <br /> Task#: 008 State:Colorado Permit/job#:M-1990-098 <br /> Date: 1010312001 County:Weld Abbreviation:none <br /> User: KAP Site:Perry Pit Filename:M098-008 <br /> Agency or organization name:Colorado Division Of Minerals And Geology <br /> Permit or other job action:Permit Amendment AM-01 <br /> Task description:Rip up compacted areas on site <br /> HOURLY EQUIPMENT COST <br /> Basic machine:Cat D8R-8SU Horsepower: 305 <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: $49.50 NA <br /> Dozer operating cost/hour: $65.98 100 <br /> Ripper operating cost/hour: $7.50 100 <br /> Operator cost/hour: $27.99 NA <br /> Total unit cost/hour: $150.97 Total fleet cost/hour: $150.97 <br /> MATERIAL QUANTITIES <br /> Selected estimating method: Area <br /> Alternate methods- <br /> Seismic: NA NA Load factor: NA Bank volume: NA BCY <br /> Area: 5.50 acres Rip depth(ft): 1.00 Volume: 8,873 BCY or CCY <br /> Source of estimated quantity:Adequacy review response <br /> Source of estimated load factor:NA <br /> HOURLY PRODUCTION <br /> Alternate methodsJob Condition Correction Factors- <br /> Seismic: Seismic velocity: NA feet/second Unadjusted production <br /> Unadjusted production: NA cu.ydsJhour per selected method: 2,494.65 cu.yds./hour <br /> Area: Avg.ripping depth: 2.00 feet/pass Site altitude: 4,926 feet <br /> Average ripping width: 7.08 feet/pass Altitude adjustment: 1.00 (Cat HB) <br /> Average ripping length: 200.00 feet/pass Job efficiency factor: 0.83 (1 shif1day) <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: 0.773 acres/hour Adjusted unit production: 2,07056 cu.yds./hour <br /> Unadjusted production: 2,494.65 cu.yds./hour Adjusted fleet production; 2,070.56 cu.yds./hour <br /> JOB IIMg AND COST <br /> Fleet size: 1 dozer(s) Total job time: 4.29 hours <br /> Unit cost: $0.073 per cu.yd. Total job cost: $647 <br />