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Revised, October 9, 1992 <br />PRODUCTION USING CATERPILLAR 627E SCRAPERS <br />COLOWYO COAL COMPANY <br />• 1991 PERMIT REVISION AND RENEWAL <br />PERMIT BOND CALCULATIONS <br />ROUTE: RT 15E~1 - TOPSOIL <br />HAUL <br />OR SECTION DISTANCE GRADE SPEED RESISTANCE S?=_: <br />RETURN ~ (FT. ) (%) FACTOR (%) (`iP-; <br />HAUL 1 500 -8.00 0.80 4.00 25.0 <br />HAUL 2 250 4.40 1.00 4.00 15.C~ <br />TOTAL HAUL 750 -3.87 0.87 4.00 2..7. <br />RETURN 1 250 -4.40 0.80 4.00 25.0. <br />RETURN 2 500 8.00 1.00 4.00 17.2= <br />TOTAL RETURN 750 3.87 0.93 4.00 2:.Sc <br />u <br />ROUTE:RT 15Er1 - TOPSOIL <br />PRODUCTIONI RP.TES FOR SCRAPERS <br />TOTAL HAULAGE TIME LOADED = <br />TOTAL RETURN TIME EMPTY = <br />TOTP.L CYCLE TIME (MINUTES) _ <br />AVERAGE TRIPS PER HOUR = <br />TOTP.L CYDS PER TRIP = <br />TOTAL C'1DS PER HOL"tt = <br />0.3915 <br />0.4309 <br />2.3224 <br />21.5294 <br />19.0000 <br />409.0580 <br />PRODUCTION ASSL"t?PTT_ONS FOR SCRAPERS <br />SPOT TIME _ <br />LOAD TIME _ <br />• DUMP TIt4E _ <br />DELAY TIME _ <br />WORKING MINUTES PER HOUR = <br />0.00 <br />0.90 <br />0.60 <br />0.00 <br />50.00 <br />