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EARTHWORK ESTIMATING -HYDRAULIC EXCAVATOR <br />.TASK DESCRIPTIO Recontour East Salt Creek Bridge Area <br />HOURLY EQUIPMENT COST <br />MACHINE MAKE AND MODEL - <br />Task 3 <br />Cat 325 ATTACHME None <br />OWNERSHIP per hour $30.01 <br />OPERATING per hour $28.89 <br />ADJUSTMENTS per hour none <br />OPERATOR per hour $23.13 <br /> MACHINE COST = $82.03 <br />MATERIAL QUANTITIES <br />BANK VOLUME <br />50 CUBIC YDS X 1.26 SWELL = 63.0 CUBIC YDS <br />VERIFICATION OF VOLUMES Estimated <br />EXCAVATOR PRODUCTION <br />• <br />ALTITUDE 5,600 FEET CORRECTION FACTOR none <br />CYCLE TIME 0.33 Minutes for deep, hard digging & <br /> Extra leveling in area <br />BUCKET PAYLOAD 1.57 LCY nominal heaped <br />TYPE OF MATERIAL Wet excavated earth <br />BUCKET FILL FACTOR 0.98 <br />ADJUSTED BUCKET PAYLOAD = 1.54 LCY <br />CYCLES PER HOUR = 151.52 (50 minutes per hour) <br />ADJUSTED HOURLY PRODUCTION = 233.12 LCY/HR <br />JOB COST <br />TOTAL MATERIAL VOLUME 63 CUBIC YARDS <br />EXCAVATOR PRODUCTION 233.12 CUBIC YARDS PER HOUR <br />NUMBER OF EXCAVATORS 1 <br />HOURS TO COMPLETE JOB <br />TOTAL MACHINE COST <br />COST PER UNIT VOLUME <br />• <br />0.27 HOURS <br />$22.17 <br />TOTAL JOB COST $22.17 <br />$0.352 /LCY <br />Mc VOL 1 - Tbl 3.7-1 Task 3 11- 19 - 98 <br />