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CIRCES Cost Estimating Software <br />BULLpOZER RIPPING WORK <br />Task # : 03a <br />Date : 12/05/2002 <br />User : SSS <br />State :Colorado <br />County : Pitkin <br />Site :Smuggler Mine <br />Agency or organization name : DMG <br />Permit or other job action :Routine Reclamation Cost Estimate Update <br />Task description :Rip compacted surfaces <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 perday <br /> Attachment no. 2 :3-shank dpper <br /> Data spurce : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $49.50 NA <br /> Dozer operating cosUhour : $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 cosUhour : $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 : 2.10 acres Rip depth (ftj : 2.00 Volume : 6,776 BCY or CCY <br />Source of estimated quantity ;Approved reclamation plan <br />Source of estimated load factor :NA <br />----------------- ---------------- ---- ------------- <br />HOURLY PRODUCTION <br />Altemate methods - <br />Seismic : Seismic velocity : NA feef/second <br />Unadjusted production : NA cu. yds./hour <br />Unadjusted production <br />per selected methotl : 1,247.33 cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feeUpass Site altitude : 8,075 feet <br />Average ripping width : 7.08 feefpass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 200.00 feeUpass Job efficiency factor : 0.83 (1 shiff/day) <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 : 0.773 acres/hour Adjusted unit production : 1,035.28 cu. yds./hour <br />Unadjusted production : 1,247.33 cu. yds./hour Adjusted fleet production : 1,035.28 cu. yds./hour <br /> <br />JOB TIME AND COST - - - ------ - - - - -- - - - - - - -- -- - <br />Fleet size : 1 dozers) Total job time : 6.55 hours <br />Unit cost : $0.146 per cu. yd. Total job cost : $988 <br />Permitfjob # : M-1995-097 <br />Abbreviation :none <br />Filename : M097-03a <br />f-- <br />