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<br />NWRLY PRODUCTION: Sheet 2 of 3 <br />_________________ <br />_________________ <br />Job Condition Corrections <br />--- -------------------- Truck/Load Team Support Equi Anent <br /> Truck Loader Load Aree DUiry Area <br />Alt. = 5,350 ft. _________ __~____________________._~____ <br />Alt. adjustment ........... 1.000 1.000 N/A N/A <br />Job efficiency ...(1sh/d) 0.830 0.830 N/A N/A <br /> Net Corrections 0.830 0.830 N/A N/A <br />Load Equipment Capacity <br /> Rated capacity 7.000 LCY (nominal heaped) <br /> FiLI materiel description: <br /> Bucket fill factor 0.825 Blasted rock - avg. blasted (75-90X) <br /> Adjusted taoacity 5.775 LCY <br />Truck Capacity <br />weight Basis: ~ Volume Basis: <br />Material weight = 2,800 lbs/LCY ~ Struck capacity = 34.00 <br /> <br />r <br />Mat. description ------ ~ Heaped capacity = 44.60 <br />Granite - Broken <br />~ ------- <br />------------------------------- ~ Average = 39.30 LCY <br />Rated payload = 116,000 lbs. ~ ------- <br />-------- <br />Payload volume = 41.43 LCY ~ Mex. Avg. Volume = <br />39.30 <br />LCY <br />Adj. truck volume based on discreet no. of loader passes 40.43 LCY <br />Load Equiprent Cycle Time <br />Nunber of discreet loader passes required to fill truck 7 <br />Track loaders- ------ <br />Load materiel descri ptian: N/A <br />Excavators/Shovels - cycle time vs. job condition rating: N/A <br />- selected value within basic rating N/A <br />Track loaders basic cycle time elements: Load time = N/A min. <br />Maneuver time = N/A <br />Dunp time = 0.1 <br />Unadjusted Basic Cycle time = 0.575 min. <br />Wheel/Track loaders- ------- <br />Cycle Time Factors: Description Factor (min-) <br />Material -Mixed material 0.020 <br />Pile condition -Conveyor or dozer piled 10'h end up 0.000 <br />Truck Ownership -COmnon ownership of trucks 8 loaders -0.040 <br />Operation -Constant operation -0.040 <br />Target -Nominal target <br />____________________ ______r__ 0.000 <br />- <br />Net cycle time adj. <br />-0.060 <br />min. <br />Adjusted Basic Cycle Time = 0.515 min. <br />Total load time per truck inc L. exchange time adj.• 3.190 min. <br />•(bulk of 1st pass conQleted during truck exchange) ------- <br />