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Colorado Division of Minerals and Geology <br /> ----------------------------------------- <br /> ESTIMATING FORM - MOTOR GRADER WORK <br /> Task #: 55 Prep. by: SGR Task File Name: C017-55 <br /> ------------ --------- ------------- <br /> Date: 11/25/97 Permit #:C-81-017 Mine: Coal Basin <br /> ------------ --------- --------------------------------- <br /> Permit Action: litigation estimate <br /> ------------------------------------------------------------- <br /> Task Description: final grade road a <br /> ------------------------------------------------------------- <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: CAT 12 SERIES G Horsepower: 135 <br /> ------------------ ---------- <br /> Attachment #1: N/A Shift Basis: 1/day <br /> Attachment #2: N/A ---------- <br /> Cost Breakdown: ------------------ <br /> -------------- Utilization % (DQI MO) <br /> Ownership cost/hr = $14.42 N/A <br /> Operating & overhaul cost/hr -grader = $19.08 100 <br /> -ripper = $0.00 N/A <br /> Operator cost/hr = $23.13 N/A <br /> Total eqpt. unit cost/hr = $56.63 Total fleet cost/hr: $56.63 <br /> ---------- ---------- <br /> MATERIAL QUANTITIES <br /> Total area to be graded: 2.04 acres <br /> Source of quantity take-off: estimate <br /> ---------------------------------------------------- <br /> HOURLY PRODUCTION <br /> Selected grading activity/work level: Heavy grading only <br /> ------------------------------------------- <br /> Unadjusted hourly unit production: 1.08 acres/hr (Cat Handbook MA) <br /> Job Condition Correction Factors: <br /> -------------------------------- <br /> Avg. site altitude 8300 ft. <br /> Altitude adjustment: 0.90 (Cat Handbook Ios) <br /> Job efficiency.... 0.83 (1sh/day YUA) <br /> Net Job Correction: 0.75 <br /> Adjusted hourly unit production: 0.81 acres/hr <br /> Adjusted hourly fleet production: 0.81 acres/hr <br /> JOB COST <br /> Fleet size 1 Grader(s) Total Job Time: 2.53 Hours <br /> ------- ----------- <br /> Unit Cost $70.190 /acre Total Job Cost: $143.19 <br />