Laserfiche WebLink
TABLE 3.9.1 EARTHWORK ESTIMATING -HYDRAULIC EXCAVATOR <br />. TASK DESCRIPTION - Excavate topsoil from pile and load trucks <br />HOURL QUIPMENT COST <br />CHINE MAKE AND MODEL - Cat 325 <br />OWNERSHIP COST/hr 30.01 <br />OPERATING COST/hr 28.89 <br />ADJUSTMENTS none <br />PERATOR COST/hr 23.13 <br /> MACHINE COST <br />MATERIAL QUANTITIES <br />Bank Volume ,539 cu yd <br />1,539 CUBIC YDS x 1.10 SWELL = <br />VERIFlCATION OF VOLUMES FROM Table 3.9 •2 <br />EXCAVATOR HOURLY PRODUCTION <br />" ALTffUDE <br />CYCLE TIME <br />BUCKET PAYLOAD <br />TYPE OF MATERIAL <br />BUCKET FlLL FACTOR <br />ADJUSTED BUCKET P~ <br />CYCLES PER HOUR <br />5,600 <br />1.00 MI U <br />1.27 LCY <br />Wet <br />0.95 <br />~YLOAD = 1 <br />= 5C <br />ADJUSTED HOURLY PRODUCTION <br />JOB COST <br />TOTAL MATERIAL VOLUME 1,693 <br />EXCAVATOR PRODUCTION 60.33 <br />NUMBER OF EXCAVATORS 1 <br />HOURS TO COMPLETE JOB <br />TOTAL MACHINE COST <br />TOTAL JOB COST <br />• COST PER UNIT VOLUME $1.360 <br />Task 5 <br />$82.03 <br />1,693 CUBIC YDS <br />CORRECTION FACTOR none <br />Extra time to load truck <br />nominal heaped <br />ted earth <br />LCY <br />(50 minutes per hour) <br />60.33 LCY/HR <br />YARDS <br />YARDS PER HOUR <br />28.06 HOURS <br />$82.03 <br />$2,302.01 <br />Mu Vol I Page - 6 ~ 8/30/96 <br />