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EARTHWORK ESTIMATING -DOZER WORK (SINGLE SHIFT) <br />Task 8 <br />• TASK DESCRIPTION - Recontour Main Haul Road Surfaces <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 /> MATERIAL QUANTITIES <br /> 9,577 CUBIC YDS x 1.10 SWELL = 10,535 CUBIC YDS <br /> VERIFICATION OF VOLUMES Estimated from permit maps <br /> DOZER PRODUCTION <br /> PUSH DISTANCE 100 FT FROM DOZER CURVES UNADJUSTED <br /> ALTITUDE 5600 FT HOURLY PRODUCTION <br /> GRADE 9.3 qo AVERAGE 803 CY/HR <br />• JOB CORRECTION FACTORS: <br />OPERATOR REMARKS <br />0.75 average <br /> MATERIAL CONSISTENCY 0.90 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 0.90 <br /> GRADE ADJUSTMENT 0.80 <br /> ALTITUDE ADJUSTMENT 1.00 n/a <br /> M'TL WEIGHT CORRECTION 0.82 n/a <br /> BLADE TYPE 1.00 S Blade <br /> TOTAL JOB CORRECTION FACTOR 0.331 <br /> ADJUSTED HOURLY PRODUCTION 265.61 <br />JOB COST <br />TOTAL MATERIAL VOLUME <br />DOZER PRODUCTION <br />NUMBER OF DOZERS <br />HOURS TO COMPLETE JOB <br />TOTAL MACHINE COST <br />u <br />10,535 CUBIC YARDS <br />265.61 CUBIC YARDS PER HOUR <br />1 <br />39.66 HOURS <br />$121.02 <br />TOTAL JOB COST <br />COST PER UNIT VOLUME <br />$0.456 <br />$4,799.94 <br />Mc VOL 1 - Tbl 3.7-1 Task 8 11- 19 - 98 <br />