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CIRCES Cost Estimating Software <br />MOTOR GRADER WORK <br />,. . <br />PROJECT IDENTIFICATION <br />Task # : 04a State :Colorado Permit/job # : M-1998-024 <br />Date : 04/23/2008 County :Eagle Abbreviation :none <br />User : THM Site :Hidden Valley Pit Filename : M024-04a <br />Agency or organization name :DBMS <br />Permit or other job action :Final Reclamation Cost Update <br />Task description :Grade 25.6 acres of flat areas <br />HOURLY EQUIPMENT COST <br />Basic machine :CAT 14H Horsepower : 215 <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 cost/hour : $43.20 NA <br />Grader operating cost/hour : $48.51 100 <br />Ripper operating cost/hour : $0.78 25 <br />Operator cost/hour : $24.47 NA <br />Total unit cost/hour : $116.96 Total fleet cost/hour : $116.96 <br />MATERIAL QUANTITIES <br />Total area to be graded or ripped : 25.60 acres <br />Source of estimated acreage : 30 acres - 4.4 acres of slope = 25.6 <br />HOURLY PRODUCTION <br />Selected application <br />Average grader speed <br />Selected blade angle <br />Effective blade length <br />Width of blade overlap per pass <br />Net grading or ripping width per pass <br />Unadjusted hourly unit production <br />Finish grading (0-2.5 mph) <br />1.25 mph <br />30 degrees <br />12.10 feet <br />2.00 feet <br />10.10 feet ** <br />1.5303 acres/hour <br />Job Condition Correction Factors <br />Average site altitude : 6,350 feet <br />* at 0 degrees, blade is perpendicular <br />to direction of travel. <br />*"width of ripper beam on ripping applications <br />Altitude adjustment factor <br />Job efficiency adjustment factor <br />Net job correction <br />Source <br />1.00 (Cat HB) <br />0.85 ~(1sh/d, mod.) <br />0.8500 multiplier <br />Adjusted hourly unit production : 1.3008 acres/hour <br />Adjusted hourly fleet production : 1.3008 acres/hour <br />JOB TIME AND COST <br />Fleet size : 1 grader(s) Total job time : 19.68 hours <br />Unit cost : $89.91 per acre Total job cost : $2,302 <br />