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• Colorado Division of Minerals and Geo log <br />ESTIMATING FORM - BULLDOZER WORK <br />Task q: f 1 Prep. by: TAS Task File Name: M361-2 <br />____________ _________ _____________ <br />Date: 09/10/97 Pe rmi[ q:M-77-361 Mine: Sou chdovn, Inc. - "Silica Quarry <br />____________ _________ _________________________________ <br />Permit Action: Final Reclamation <br />_____________________________________________________________ <br />Task Description: Regrade loose shoe rock Co 2:1 slope near previous highwa 11 <br />_____________________________________________________________ <br />HOURLY EQUIPMENT COST <br />____________________ Basic Machine: Cat D10N Horsepower: 520 <br />Blade Type: UNIVERSAL """""""""" <br />Attachment ql: ROPS Cab Shift Basis: 1/day <br />Attachment q2: N/A <br />Cost Breakdown: <br />" " " "'~~~~~ Utilization t <br />Ownership cost/hr = $57.33 N/A <br />Operating h overhaul cos[/hr- dozer 59'1.19 loo <br />-ripper = $0.00 N/A <br />Operator cost/hr = 522.95 N/A <br />Total egpt. unit cost/hr = 5177.96 Total fleet cost/hr: $354.92 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 12,428.0 CCY Factor: 1.395 Volume: 16,715.7 LCY <br />____________ __________ _____________ <br />Source of quantity take-off: permit <br />_____________________________ <br />Source of est. swell Factor: program <br />HOURLY PRODUCTION <br />----------------- Sob Condition Correctron Factors <br />Avg. push distance: 100 f[. '"'"""""""""""'"'"" "" " "- --- <br /> ---""" Operator.......... 0 ."15 (avg.) <br />Unadjusted hourly Mat. consistency.. 1 .10 (Ca[ [bl) <br />dozer production: 1]03 LCY/hr Dozing method..... 1 .00 (gen.) <br /> -------- Visibility........ 1 .00 lavg.l <br />Material consistency : Job efficiency.... O . B3 Ilsh/dayl <br />Partly consolidated stockpile Spoil pile factor. 0 .90 Issd-fc) <br />--~~~~-~------------ --" "" """"' Push gradient..... 0 .95 ICac cbll <br />Avg. push gradient: 3.00 t (pos) Altitude derat ion. 1 .00 (Cat tbl) <br /> """'"""" Ma cerial weight... O . BB (Cat cbll <br />Avg. site altitude: 6000 ft. Blade type........ 1 .00 (S, SU, U) <br />Material weight 2600.00 lb/LCY Net Job Correction 0 .52 <br />Mat. Des cr.: '"""""""" ----____ ___ <br />Limestone - Broken Adjusted Unit Prod.: 879 .98 LCY/hr <br /> Adj used Flee[ Production: 1759 .95 LCY/hr <br />JOB COST -------- '-' <br />Flee[ size 2 <br />________ Dozer (s) Total Job Time: 9 <br />_________ .50 <br />__ Hours <br />Unit Cost $0.202 <br />________ /LCY Total Job Cos[: $3,3]0. <br />________ 99 <br />___ <br />