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<br />• <br />• <br />SENECA COAL COMPANY DOZER PRODUCTION Part 6 of 9 <br />2000 RNOt-YOAST MINE <br />DOZE PERM ROADS (GRADING TO BLEND) DATE: 20-Feb-01 <br />SUMMARY SHEET <br />EQUIPMENT REQUIRED <br />-CATERPILLAR D11N DOZER <br />VOLUME TO BE MOVED <br />W(ft) L(ft) Total <br />100 21,700 49.8 AC <br />DOZING PRODUCTION <br />SPEED 2 MPH <br />BLADE WIDTH 19 FT <br />NUMBER OF PASSES 2 PASSES <br />PRODUCTION 2.30 AC/HR <br />SLOT DOZING 1 <br />MATERIAL 0.9 <br />VISIBILITY 1 <br />ALTITUDE 0.93 <br />SPOIL FACTOR 0.8 <br />UTILIZATION FACTOR 0.83 <br />OPERATOR EFFICIENCY 0.75 <br />ADJ. PRODUCTIVITY 0.96 AC/SCH HR <br />DOZER FLEET COST TOTAL EQUIP. <br /> 8 LABOR UNIT TOTAL <br />EQUIPMENT UNITS COST COST <br />DOZER 1 $315.39 $315.39 /SCH HR <br />TOTAL COST <br />Hours Cost/Hour Total <br />52 $315.39 $16,367 <br />ZS-1-18 <br />Revised 02/01 <br />