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<br />• <br />• <br />SENECA COAL COMPANY DOZER PRODUCTION <br />2000 RN01-YOAST MINE <br />FINAL GRADING PIT AND SPOIL AREAS DATE: 20-Feb-01 <br />SUMMARY SHEET <br />EQUIPMENT REQUIRED <br />-CATERPILLAR D11N DOZER <br />VOLUME TO BE MOVED <br />TOTAL AREA Assume 10% for backfilling and grading operations <br />DOZING PRODUCTION <br />Doze highwall mall. into open pit 544 hrs <br />Doze adjacent spoil into open pit 193 hrs <br />Grade last 3 spoils into surrounding areas 168 hrs <br />Total Hours 905 10% of total = 90 <br />DOZER FLEET COST TOTAL EQUIP. <br /> 81ABOR UNIT 7OTAL <br />EQUIPMENT UNITS COST COST <br />DOZER 1 $315.39 $315.39 /SCH HR <br />TOTAL COST <br />Hours CosUHour Total <br />90 $315.39 $28,539 <br />25-1-10 <br />Revised 02/01 <br />