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CIRCES Cost Estimatinsa Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 21G <br />Date : 0710612010 <br />User: TAK <br />Permit/job # : C -80 -007 <br />Abbreviation : none <br />Filename : C007 -21 G <br />Agency or organization name CDRMS <br />Permit or other job action : TR -121 <br />Task description Rip MDW pads approved in TR -121, not previously approved in PR -14 <br />HOURLY EQUIPMENT COST <br />MATERIAL QUANTITIES <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 : -shank ripper <br />Selected estimating method : Area <br />Alternate methods <br />Seismic: NA NA Load factor: NA Bank volume: NA BCY <br />Area : 2.00 acres Rip depth (ft) : 2.00 Volume: 6,453 BCY or CCY <br />Source of estimated quantity : Exhibit 80, TR -121, Project Details <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity <br />Unadjusted production <br />Area : Avg. ripping depth <br />Average ripping width <br />Average ripping length <br />Average dozer speed <br />Average maneuver time <br />Production per unit area <br />Unadjusted production <br />State : Colorado <br />County : Gunnison <br />Site: West Elk Mine <br />NA feet/second <br />NA cu. yds. /hour <br />1.00 <br />feet/pass <br />7.67 <br />feet/pass <br />500.00 <br />feet/pass <br />88.00 <br />feet/minute <br />0.25 <br />minutes /pass <br />0.891 <br />acres /hour <br />1,436.70 <br />cu. yds. /hour <br />Unadjusted production <br />per selected method : 1,436.70 cu. yds. /hour <br />Site altitude : 7,100 feet <br />Altitude adjustment: 1.00 (Cat HB) <br />Job efficiency factor: 0.83 (1 shif 1day) <br />Net job correction : 0.83 multiplier <br />Adjusted unit production <br />Adjusted fleet production <br />1,192.46 <br />4,769.83 <br />cu. yds. /hour <br />cu. yds. /hour <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 1.35 hours <br />Unit cost : $0.195 per cu. yd. Total job cost : $ 1,258 <br />