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• Colorado Division of Minerals and Geolog• <br />_________________________________________ <br />ESTIMATING FORM - MOTOR GRADER WORK <br />Task q: 6 Prep. by: .ro Task File Name: M170-6 <br />____________ _________ _____________ <br />Dale: 09/04/98 Permit q:M-7'1-170 Mine: Butala Gravel Pit <br />____________ _________ _________________________________ <br />Permit Act ron: Phased Reclama Lion <br />_____________________________________________________________ <br />Task Description: Rip Disturbed Areas <br />_____________________________________________________________ <br />HOURLY EQUIPMENT COST <br />______-_____________ Basic Machine: CAT 120 SERIES G Horsepower: 125 <br />__________________ __________ <br />Attachment #1: N/A Shift Basis: 1/day <br />Attachment IX2: Multi-shank ripper ""-'---- <br />Cost Breakdown: ~--"'~"""""' <br />""" "'----- Utilization k (DQI mbbl <br />Ownership cost/hr = $17.16 N/A <br />Operating fi overhaul cost/hr -grader = $17.03 100 <br />-ripper = 51.9'! 100 <br />Operator cost/hr = 523.12 N/A <br />Total egpt. unit cost/hr = $55.2'! Total Eleet cost/hr: 555.27 <br />__________ __________ <br />MATERIAL QUANTITIES <br />Total area to be graded: 29.60 acres <br />Source of qua n[ity take-off: Calculation <br />HOURLY PRODUCTION <br />Selected grading activity/work level: Medium ripping only <br />Unad3 usted hourly unit production: 1.05 acres/hr (Car Ra ndbook rbE) <br />Job Condition Correc <br />____________________ tion Factors: <br />____________ <br />Avg. site altitude 71'10 ft. <br />Altitude adjustment: 1.00 ICat Handbook pS1a) <br />Sob efficiency.... 0.83 (lsh/day ebb) <br />Net Job Correction: 0.83 <br />Adjusted hourly unit production: O.67 acres/hr <br />Adj used hourly fleet production: O. R7 acres/hr <br />JoB cosy <br />' = Fleet size 1 Grader(s) <br />_______ Total Job Trme: 28.23 Hours <br />___________ <br />Unit Cost $63.421 /acre <br />_______ Total Job Cost: $1,560.15 <br />___________ <br />