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<br />Colorado Division of Minerals and Geology <br />ESTIMATING FORM - BULLDOZER WORK <br />Task #: 1 Prep. by: RCO Task File Name: M089-1 <br />Date: 02/20/97 Permit #:M~96~089 Mine: Skoglund Pit <br />Permit Action: Reclamation <br />Task Description: Rough grading ~ access road and toe of active highwall <br />HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8N Horsepower : 285 <br /> Blade Type: UNIVERSAL ------ <br /> Attach ment #1: ROPS Cab Shift Basi s: 1/day <br /> Attachment #2: 3-shank ripper ------ <br />Cost Breakdown: <br />------------- Utilization X <br />Ownership cost/hr = 546.68 N/A <br />Operating 8 overhaul cost/hr - dozer = (51.93 100 <br /> ripper = f0.00 0 <br />Operator cost/hr = f22.95 N/A <br />Total egp t. unit cost/hr = f121.56 Total fleet <br />-------- cost/ hr: f121.56 <br />-------- <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 800.0 CCY Factor: 1.125 Volume: 900 .0 LCY <br />Source of quantity ta ke-off: calculat ion, permit app? ic. <br />Source of est. swell factor: program <br />HOURLY PRODUCTION <br /> Job Condition Correction Factors <br />Avg. push distance: 60 ft. ------------------------- ----- -- <br />- -------- Operator.......... 0. 15 (avg.) <br />Unadjusted hourly Mat. consistency.. 0. 90 (Cat tbl) <br />dozer production: 1387 LCY/hr Dozing method..... 1. 00 (gen.) <br /> -------- Visibil itY........ ~ 1. 00 (avg.) <br />Material consistency: Job efficiency.... 0. 83 (lsh/day) <br />Compacted fill or embankment Spoil pile factor. 0. 80 (fnd~rf) <br />----------------- ------- ------- Push gradient..... 0. 79 (Cat tbl) <br />Avg. push gradient: 10.00 X (pos) Altitude deration. 1. 00 (Cat tbl) <br />- -------- Material weight... 1. 00 (Cat tbl) <br />Avg. site altitude: 1740 ft. Blade type........ 1. 00 (S,SU.U) <br />Material weight 2300.00 lb/LCY Net Job Correction 0. 35 <br />Mat. Descr.: - -------- ---- ----- -- <br />GENERAL FILL Adjusted Unit Prod.: 488. 92 LCY/hr <br /> ----- <br /> <br />Adjus <br /> <br />ted Fleet Production: <br />----- <br />488. <br /> <br />92 <br /> <br />LCY/hr <br />JOB COST ---- ---- - <br />Fleet size 1 Dozers) Total Job Time: 1. 84 Hours <br />Unit Cost 50.249 /LCY Total Job Cost: f223. 76 <br />