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~J <br /> <br />TA LE 3.9-1 EARTHWORK ESTIMATING -HYDRAULIC EXCAVATOR Task 4 <br />TASK D RIPTION Regrade drainages on lower portion of road. Use excavator to regrade , <br />remove culvert, and load truck to take excavated material to the fill <br />sections on the mine bench. Trucking detailed in Task 5. <br />HOURLY EQUIPMENT~COST <br />MACHINE MAKE D MODEL • Cat 325 <br />OWNER IP COST/hr 30.01 <br />OPERATIN COST/hr 28.89 <br />ADJUSTMEN none <br />OPERATOR COST/hr 23.13 <br /> MACHINE COST $82.03 <br />MATERIAL QUANTITIES length <br />width <br />depth <br />4 <br />2 <br />8 <br />volume <br />89 <br />15 <br />30 <br />42 "culvert 60 <br />18" culvert 40 <br />30"culvert 40 <br />(IN Mu. Ck. @ DRILL PAD) <br />BANK VOLUME <br />133 cu-yd x <br />EXCAVATOR HOURLY PROD UCTION <br />total <br />1. SWELL = <br />133.33 cu-yd <br />147 cu-yd <br />ALTITUDE 5,600 FEET C RRECTION FACTOR none <br />CYCLE TIME 1.00 MINUTES time for loading trucks <br />BUCKET PAYLOAD 1.27 LCY no final heaped <br />TYPE OF MATERIAL Wet excavated arth <br />BUCKET FILL FACTOR 0.95 <br />ADJUSTED BUCKET PAY LOAD = 1.21 LCY <br />CYCLES PER HOUR = 50.00 (50 mi ales per hour) <br />ADJUSTED HOURLY PRODUCTION = X60.33 LCY/HR <br />I• <br />JOB COST <br />TOTAL MATERIAL VOLUME 147 CUBIC Y DS <br />EXCAVATOR PRODUCTION 60.33 CUBIC YA S PER HOUR <br />NUMBER OF EXCAVATORS 1 <br />HOURS TO COMPLETE JOB 2. 3 HOURS <br />TOTAL MACHINE COST $82. 3 <br />TOTAL JOB COST $199.44 <br />COST PER UNIT VOLUME $1.360 /LCY <br />Mu Vol I Page - 5 \ 8/30/96 <br />