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PROJECTIDENTIFICATION <br />Task # : 01a <br />Date : 10/302002 <br />User : SSS <br />CIRCES Cost Estimating Software <br />MOTOR GRADER WORK <br />State :Colorado <br />County :Montrose <br />Site :West End Gravel Pit <br />PermiUjob # : M-1994-011 <br />Abbreviation :none <br />Filename :M011-O1a <br />Agency or organization name : DMG <br />Permit or other job action :Revise previous task Ola to account for recent reclamation <br />Task description :Rip East -old pit floor <br /> <br />HOURLY EQUIPMENT COST <br />Basic machine :CAT 16H Horsepower : 275 <br />Attachment no. 1 :NA Shift basis : 1 per day <br />Attachment no. 2 : Multi-shank ripper <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown Ownership cosUhour : $56.77 NA <br />Grader operating cbst/hour : $58.90 100 <br />Ripper operating cosUhour : $4.31 100 <br />Operator cosVhour : $27.99 NA <br />Total unit cosUhour : $147.96 Total fleet cost/hour : $147.96 <br />I" ---- ----- - _ -- -------- -- - ---- -- - - -- ---.. _. ._ _ ~ <br />MATERIAL QUANTITIES <br />Total area to be graded or ripped : 7.00 acres <br />Source of estimated acreage :Assume 7 acres of east old pit remaining fo be regraded <br />-- ------- ------ <br />HOURLY PRODUCTION <br />Selected application :Ripping (0-3 mph) <br />Average grader speed : 1.50 mph <br />Selected blade angle : NA degrees' <br />Effective blade length : NA feet <br />Width of blade overlap per pass : NA feet <br />Net grading or ripping width per pass : 9.75 feet " <br />Unadjusted hourly unit production : 1.7727 acres/hour <br />• at 0 degrees, Wade is perpendicular <br />to tlirection of travel. <br />"vntlth of ripper Oeam on ripping applications <br />Job Condition Correction Factors Source <br />Average site altitude : 5,800 feet Altitude adjustment factor : 1.00 ~ (Cat HB) <br />- Job efficiency adjustmant factor : 0.85 (fsh/d, mod.) <br />Net job correction : 0.8500 multiplier <br />Adjusted hourly unit production : 1.5068 acres/hour <br />Adjusted hourly fleet production : 1.5088 acresRlour <br />JOB TIME AND COST <br />Fleet size : 1 grader(s) Total job time <br />Unit cost : $98.19 per acre Total job cost <br />4.85 hours <br />$887 <br />