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PRODUCTION USING CATERPILLAR 627E SCRAPERS <br />COLOWYO COAL COMPANY <br />1991 PERMIT REVISION AND RENEWAL <br />• PERMIT BOt7D CALCULATIONS <br />ROUTE: RT 15L,#1 - TOPSOIL <br />HAUL - <br />OR SECTION DISTANCE GRADE SPEED RESIST.~NCE SPE:~ <br />RETL'F227 c ( FT . ) ( % ) FP.CTGR ( % ) (M?:; j <br />HAUL 1 375 -9.90 0.30 4.00 28.U <br />HAUL 2 500 9.40 1.00 4.00 9.Fs <br />TOTAL H_~UL 875 1.13 0.91 4.00 17.E <br />RETURN 1 500 -9.40 0.30 4.00 23.0 <br />RETURP7 2 375 9.90 1.00 4.00 14.7: <br />+ TOT?L R--cTL:tiN 875 -1.13 0.39 4.00 22."- <br /> <br />ROUTE:RT 1SI=1 - TOPSOIL <br />PRODUCTIONt R.nTES FOR SCRAPERS <br />TOTP.L HAULAGE TIME LOADED = 0.7291 <br />TOTAL RETURN TIME EMPTY = 0.4903 <br />TOTAL CYCLE TIME (MINUTES) = 2.7194 <br />AVERAGE TRIPS PER HOUR = 18.3862 <br />TOTAL CYDS PER TRIP = 19.0000 <br />TOTAL CYDS PER HOUR = 349.3369 <br />PRODUCTION ASSUMPTIONS FOR SCRAPERS <br />SPOT TIME = 0.00 <br />LOAD TIME = 0.90 <br />DL-MP TIME = 0.60 <br />DELAY TIME = 0.00 <br />• WORKING MINUTES PER HOUR = 50.00 <br />B-12 <br />