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HOURLY PRODUCTION: Sheet 2 of 3 <br /> ----------------- <br /> ----------------- <br /> Job Condition Corrections <br /> ------------- Truck/Load Team Support Equipment <br /> Truck Loader Load Area Dump Area <br /> Alt. = 10,000 f t. ------------------- ---------------...._____ <br /> Alt. adjustment ........... 1.000 0.930 0.800 1.000 <br /> Job efficiency ...0 sh/d) 0.830 0.830 0.830 0.830 <br /> -------- -------- -------- -------- <br /> Net Corrections 0.830 0.772 0.664 0.830 <br /> Load Equipment Capacity <br /> Rated capacity 4.250 LCY (nominal heaped) <br /> -------- Fill material description: <br /> Bucket fill factor : 0.900 Other - soil, boulders, roots (80-100%) <br /> -------- ---------------------------------------- <br /> Adjusted capacity : 3.825 LCY <br /> Truck Capacity <br /> Weight Basis: Volume Basis: <br /> Material weight = 2,100 lbs/LCY Struck capacity = 12.00 <br /> Mat. description : ------- Heaped capacity = 18.00 <br /> Earth - Loam ------- <br /> .------------------------------ I Average = 15.00 LCY <br /> Rated payload = 43,000 lbs. ------- <br /> Payload volume = 20.48 LCY Max. Avg. Volume = 15.00 LCY <br /> Adj. truck volume based on discreet no. of loader passes: 15.30 LCY <br /> Load Equipment Cycle Time <br /> ------------ <br /> Number of discreet loader passes required to fill truck 4 <br /> Track loaders- ------- <br /> Load material description:N/A <br /> -----~____________________________________ <br /> Excavators/Shovels - cycle time vs. job condition rating: N/A <br /> - selected value within basic rating N/A <br /> ------------ <br /> Track loaders -basic cycle time elements: Load time = N/A min. <br /> Maneuver time = N/A <br /> • Dump time = 0.09 <br /> Unadjusted Basic Cycle time = 0.500 min. <br /> Wheel/Track loaders- ------- <br /> Cycle Time Factors: Description Factor (min.) <br /> --------------------------------------------------------------------- <br /> Material -Mixed material 0.020 <br /> Pile condition -Conveyor or dozer piled 101h or less 0.010 <br /> Truck Ownership -Common ownership of trucks & loaders -0.040 <br /> Operation -Constant operation -0.040 <br /> Target -Nominal target 0.000 <br /> Net cycle time adj. _ -0.050 min. <br /> Adjusted Basic Cycle Time = 0.450 min. <br /> Total load time per truck incL. exchange time adj.* 1."0 min. <br /> *(bulk of 1st pass completed during truck exchange) ------- <br />