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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # : 02a <br />Date : 08/14/2007 <br />User : SSS <br />State :Colorado <br />County :Rio Blanco <br />Site :Schultz Gravel Pit <br />PermiUjob # :M-2000-073 <br />Abbreviation :none <br />Filename : M073-02a <br />Agency or organization name :DRMS <br />Permit or other job action :Succession of <br />Task description :Rip Compact <br />HOURLY EQUIPMENT COST <br />MATERIAL QUANTITIES <br />gyrator No. 1 <br />areas prior to topsoil replacement <br />Basic machine :Cat D7R DS Series ll - 7SU <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 : 3-shank ripper <br />Shift basis : 1 per day <br /> Selected estimating method : Area <br />Altemate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 1.14 acres Rip depth (ft) : 1.50 Volume : 2,759 BCY or CCY <br /> <br />Source of estimated quantity :Assume 50'W x 1000'L area <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods - Job Condition Correction Factors - <br />Seismic : Seismic velocity : NA feeUsecond Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 1,826.31 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.50 feeUpass Site altitude : 5, 930 feet <br />Average ripping width : 6.50 feeUpass Altitude adjustment : 1.00 (Cat Ha) <br />Average ripping length : 500.00 feeUpass Job efficiency factor : 0.83 (1 shifUday) <br />Average dozer speed : 88.00 feeUminute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.755 acres/hour Adjusted unit production : 1,515.84 cu. yds./hour <br />Unadjusted production : 1,826.31 cu. yds./hour Adjusted fleet production : 1,515.84 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozers) Total job time : 1.82 hours <br />Unit cost : $0.092 per cu. yd. Total job cost : $253 <br /> <br />Horsepower: 240 <br />