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CIRCES Cost Estimatina Software <br />MOTOR GRADER WORK <br />PROJECT IDENTIFICAT7ri <br />Task # : 09h Date : 0612,21900'- <br />User: TAK <br />/ State :Colorado <br />County : Gunnison <br />Site : West Elk Mine <br />Permit/job #: C-80-007 <br />Abbreviation : none <br />Filename :0007-09h <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : TR-109 <br />Task description : Finish grade Deer Creek Shaft pad and access road <br />HOURLY EQUIPMENT COST <br />Basic machine : CAT 14H <br />Horsepower : 215 <br />Attachment no. 1 : NA Shift basis : 1 per day <br />Attachment no. 2 :Multi-shank ripper <br />Source of estimated acreage : TR-109 submittal <br />.. ........................ .............. :...:.:.:..:..: ........ ; .::..... ; .... .. ........... . ... ...... <br />HOURLY PRODUCTION <br />Selected application :Finish grading (0-2.5 mph) <br />Average grader speed : 1.25 mph <br />Selected blade angle : 30 degrees <br />Effective blade length : 12.10 feet <br />Width of blade overlap per pass : 2.00 feet <br />Net grading or ripping width per pass : 10.10 feet ** <br />Unadjusted hourly unit production : 1.5303 acres/hour <br />* at 0 degrees, blade is perpendicular <br />to direction of travel. <br />- width of ripper beam on ripping applications <br />Job Condition Correction Factors Source <br />Average site altitude : 7,500 feet Altitude adjustment factor : 1.00 (Cat HB) <br />Job efficiency adjustment factor : 0.85 (1sh1d, mod.) <br />Net job correction : 0.8500 multiplier