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EARTHWORK ESTIMATING -DOZER WORK (SINGLE SHIFT) <br />Task 4 <br />• TASK DESCRIPTION - Push 1/2 of Coal Stockpile to base of mine bench <br />HOURLY EQUIPMENT COST - <br />MACHINE MAKE AND MODEL • Cat D•8N w/ S Blade ATTACHMENTS 3-shank ripper <br />OWNERSHIP COST/hr 46.40 <br />OPERATING COST/hr 51.67 <br />ADJUSTMENTS none <br />OPERATOR COST/hr 22.95 <br />MACHINE COST $121.02 <br /> <br />MATERIAL QUANTITIES <br />2,400 CUBIC YDS x 1.00 SWELL = 2,400 CUBIC YDS <br />VERIFICATION OF VOLUMES FROM Emissions Permit <br />DOZER PRODUCTION <br />PUSH DISTANCE 200 FT FROM DOZER CURVES UNADJUSTED <br />ALTITUDE 5600 FT HOURLY PRODUCTION <br />GRADE 0 ~J, AVERAGE 448 CY/HR <br />JOB CORRECTION FACTORS: REMARKS <br />OPERATOR 0.75 average <br />MATERIAL CONSISTENCY 1.20 Cat tbl <br />DOZING METHOD 1.00 general <br />VISIBILITY 1.00 normal <br />JOB EFFICIENCY 0.83 50 min/hr <br />SPOIL PILE FACTOR 1.00 <br />GRADE ADJUSTMENT 1.00 <br />ALTITUDE ADJUSTMENT 1.00 n/a <br />M'TL WEIGHT CORRECTION 1.44 n/a <br />BLADE TYPE 1.00 S Blade <br />TOTAL JOB CORRECTION FACTOR <br />ADJUSTED HOURLY PRODUCTION <br />• <br />JOB COST <br />TOTAL MATERIAL VOLUME <br />DOZER PRODUCTION <br />NUMBER OF DOZERS <br />HOURS TO COMPLETE JOB <br />TOTAL MACHINE COST <br />4.98 HOURS <br />$121.02 <br />TOTAL JOB COST <br />COST PER UNIT VOLUME <br />1.076 <br />481.90 <br />2,400 CUBIC YARDS <br />481.90 CUBIC YARDS PER HOUR <br />1 <br />$0.251 <br />$602.71 <br />Mc VOL 1 - Tbl 3.7-1 Task 4 11. 19 - 98 <br />