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Colorado Division of Minerals and Geology <br />EST (MATING FORM - BULLDOZER NORK <br />Task #: 2 Prep. by: SSS Task File Name: M011-2 <br />---------___ __--_--_- _____________ <br />Date: 12/10/97 Permit #:M-94-011 Mine: Yest End Gravel Pit No. 1 <br />Permit Action: Conversion No. 1 Application <br />Task Description: Reduce North Central Unit Highwall to 3:1 <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Cat D9N Horsepower: 370 <br /> Blade Type: SFMI-UNIVERSAL --------- <br /> Attachment #1: ROPS Cab Shift Basis: 1/day <br /> Attachment #2: 3•shank ripper --------- <br />Cost Breakdown: <br />-------------- Utilization X <br />Ownership cost/hr = 543.41 N/A <br />Operating 6 overhaul cost/hr- dozer = 574.86 100 <br /> -ripper = 51.92 25 <br />Operator cost/hr = 522.95 N/A <br />Total egpt. unit cost/hr = 5143.14 Total fleet cost/hr: 5143.14 <br />MATERIAL QUANTITIES <br />___________________ <br />___________________ <br />Initial <br />SweLL <br />Loose <br />Volume: 3,750.0 CCY Factor: 1.060 Volume: 3,975.0 LCY <br />Source of quantity ta keoff: Assume 3D'H x 300'L highwall, cut 8 fill to 3:1 <br />Source of est. swell factor: CAT Handbook <br />HOURLY PRODUCTION <br />_________________ Job Condition Correction Factors <br />Avg. push distance: 60 ft. ------------------------- ------- <br />- -------- Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat. consistency.. 0.80 (Cat tbl) <br />dozer production: 1514 LCY/hr Dazing method..... 1.20 (slot) <br />- ------- Visibility........ 1.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (15h/day) <br />Dry, non cohesive Spoil pile factor. 0.80 (fnd-rf) <br />-------------------- ------- -------- Push gradient..... 1.35 (Cat tbl) <br />Avg. push gradient: 16.00 X (neg) Altitude deration. 1.00 (Cat tbL) <br />- -------- Material weight... 0.71 (Cat tbl) <br />Avg, site altitude: 5800 ft. Blade type........ 1.00 (S or U) <br />_ <br />Material wet 9ht ____-___ <br />3250.00 <br />Lb/LCY _________________________ <br />Net Job Correction _______ <br />0.46 <br />Ma[. Desc r.: - -------- ---- ------- <br />Gravel - Pitrun Adjusted Unit Prod.: 690.76 LCY/hr <br /> Adjusted Fleet Producii on: 690.76 LCY/hr <br />JOB COST ---- ------- <br />Fleet size 1 Dozers) Total Job Time: 5.75 Hours <br />Unit Cost 50.207 /LCY Total Job Cos[: 5823.68 <br />