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PRODUCTION USIPrG C:,'_L3PILLAR 627E SCRAPERS' Oo/aber 9, /9r~ <br />COLOWYO COAL COMPANY <br />1991 PERMIT REVISION AND RENEWAL <br />• PERMIT BOND CALCULATIONS <br />ROUTE: RT 17B~1 - TOPSOIL <br />HAUL <br />OR SECTION DISTANCE GRADE SPEED RESIST ~vCE S?.== <br />RETURN r~ (FT.) (%) FACTOR (%) (MF-; <br />HAUL 1 125 0.00 0.90 4.00 26.1: <br />TOTAL HAUL 125 0.00 0.90 4.00 26.1= <br />RETURN <br />TOTAL RETL~N <br />1 125 0.00 <br />125 0.00 <br />0.90 4.00 28.c9 <br />0.90 4.00 20" 291' <br />• ROUTE:RT 17Bm1 - TOPSOIL <br />PRODUCTION RATES FOR SCRAPERS <br />TOTAL HAUL?GE TIME LOP.DED = <br />TOTAL RETURN TIME EMPTY = <br />TOTAL C`1CLE TIME (MINUTES) _ <br />AVERAGE TRIPS PER HOUR = <br />TOTAL CYDS PER TRZP = <br />TOTAL CYDS PER HOUR = <br />0.0°42 <br />0.0502 <br />1.604 <br />31.1632 <br />19.0000 <br />592.1012 <br />PRODUCTION ASSUMPTIONS FOR SCRP_PERS <br />SPOT TIME _ <br />LOAD TIME _ <br />DUMP TIME _ <br />DELP.Y TIME _ <br />WORKING MINUTES PER HOUR = <br />~J <br />0.00 <br />0.90 <br />0.60 <br />0.00 <br />50.00 <br />B-14 <br />