Laserfiche WebLink
CIRCES Cost Estimating Software <br /> BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 038 State : Colorado Permit/job #: C-1981-038 <br />Date : 1210212010 County : Delta Abbreviation :none <br />User : JRS Site :Bowie No. 1 Mine Filename :C038-038 <br /> <br />Agency or organization name: Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-6) <br />Task description : Rip Cut Zones 1-A,B,C,D and E; 2-B; 4-D <br /> <br />HOURLY EQUIPMENT COST <br /> Basic machine :Cat D10R - 10SU (2005) Horsepower : 570 <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 : $86.56 NA <br /> Dozer operating cost/hour : $126.50 100 <br />Ripper operating cost/hour : $8.09 100 <br /> Operator cost/hour : $38.54 NA <br /> Total unit cost/hour : $259.69 Tota l fleet cost/hour : $1,038.77 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 12.42 acres Rip depth (ft) : 20.17 Volume : 404,158 BCY or CCY <br /> <br />Source of estimated quantity: Map 5C-6A and 8A-2 <br />Source of estimated l oad 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 : 4,391.41 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.88 feet/pass Site altitude : 7,100 feet <br />Average ripping width : 8.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 200.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <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 : 0.947 acres/hour Adjusted unit production : 3,644.87 cu. yds./hour <br />Unadjusted production : 4,391.41 cu. yds./hour Adjusted fleet production : 14,579.49 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 27.72 hours <br />Unit cost : $0.071 per cu. yd. Total job cost : $28,796 <br />