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TABLE 3.9-1 EARTHWORK ESTIMATING -DOZER WORK Task 16 <br />. TASK DESCRIPTION - Place material hauled from Loma Loadout to base of mine <br />cut slope. <br />HOURL QUIPMENT COST <br />MACHINE D MODEL - Cat D-8N wJ S Blade ATTACHMENTS 3•shank ripper <br />OWNER COST/hr 46.40 <br />OPERATING COST/hr 51.67 <br />ADJUSTMENT none <br />OPERATOR COST/hr 22.95 <br />MACHINE COST $121.02 <br />• <br /> <br />MATERIAL QUANTITIES <br />TOTAL FlLL VOLUME 1,426 <br />COAL IS L SE IN STOCKPILE NO SWELL FACTOR APPLIED <br />TOTAL 1,426 CUBIC YDS <br />VERIFlCAl10N OF VOLUMES SEE TASK 15 <br />DOZER PRODUCTION <br />PUSH DISTANCE 100 FT FROM DOZER CURVES UNADJUSTED <br />ALTITUDE 5600 FT HOURLY PRODUCTION <br />GRADE 0 % AV . 803 CYiHR <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 EFFlCIENCY 0.83 50 min/hr <br />SPOIL PILE FACTOR 0.90 <br />GRADE ADJUSTMENT +0 % 1.00 <br />ALTITUDE ADJUSTMENT 1.00 n/a <br />M'TL WT CORRECTION 1.44 COAL <br />BLADE TYPE 1.00 S Blade <br />TOTAL JOB CORRECTION FACTOR 0.968 <br />ADJUSTED HOURLY PRODUCTION 777.39 <br />JOB COST <br />TOTAL MATERIAL VOLUME 1,426 CUBIC YARDS <br />DOZER PRODUCTION 777.39 UBIC YARDS PER HOUR <br />NUMBER OF DOZERS 1 <br />TOTAL MACHINE COST $121.02 <br />HOURS TO COMPLETE JOB 1.83 HOURS <br />TOTAL J B COST $221.99 <br />COST PER UNIT VOLUME $0.156 <br />MU VOL I PAGE 18 / 8/30/96 <br />