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<br />• <br />• <br />SENECA COAL COMPANY <br />2001 RN-03-SENECA IIW <br />DOZE HAUL ROADS (GRADING TO BLEND) DATE: 27-Apr-01 <br />SUMMARY SHEET <br />EQUIPMENT REQUIRED <br />-CATERPILLAR D11N DOZER <br />VOLUME TO BE MOVED <br />TOTAL VOLUME 279.9 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 /> & LABOR UNIT TOTAL <br />EQUIPMENT UNITS COST COST <br />DOZER 1 $340.06 $340.06 /SCH HR <br />TOTAL COST <br />Hours CosUHour Total <br />292 $340.06 $99,165 <br />25-1-25 <br />Revised 04/01 <br />