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PRODUC=ICN USitIG CATERPILi_.:-? 7778 HP.L'L TRUCKS <br />COLOWYO COAL COMPANY <br />1991 PERMIT REVISION AND REi7EWAL <br />• PERMIT BOND CALCULATIONS <br />ROUTE: RT 15A~7 - TOPSOIL <br />HAUL <br />OR SECTION DISTANCE GRADE SPEED RESISTANCE SPCED <br />RETUP?7 ~ (FT.) (%) FACTOR (%) (M?) <br />HAUL 1 500 -8.00 0.80 4.00 30.1' <br />HAUL 2 1750 -8.40 0.80 3.00 24.70 <br />HP.UL 3 3375 -7.90 0.80 4.00 30.11 <br />TOTAL F.AUL 5025 -8.06 0.80 3.69 28.43 <br />RETL?.N 1 3375 7.90 1.00 4.00 15.0 <br />RETURi7 2 1750 8.40 1.00 3.00 16.9'0 <br />RETL'R*7 3 500 8.00 1.00 4.00 15.40 <br />TOTAL RETL?.:7 5025 8.06 1.00 3.59 16.51, <br />• <br />ROUTE:RT 15,,-7 - TOPSOIL <br />PRODL;CTION R.?TES FOR HAUL TRUCKS <br />TOTAL HAU~GE TIME LOP.DED = 2.2675 <br />TOTAL RETURN TIME EMPTY = 3.8414 <br />TOTAL CYCLE TIME (MINUTES) = 10.5089 <br />AVERAGE TRIPS PER HOLD = 4.7579 <br />TOTP.L CYDS PER TRIP = 67.1000 <br />TOTAL CYDS PER HOUR = 319.2524 <br />PRODUCTION ASSUMPTIONS FOR HAUL TRUCKS <br />SPOT TIME = 0.70 <br />LOAD TIME = 2.70 <br />• DUMP TIME = 1.00 <br />DELAY TIME = 0.00 <br />WORKING MINUTES PER HOUR = 50.00 <br />B-1G <br />