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Colorado Division o£ Minerals and Geology <br />_________________________________________ <br />ESTIMATING FORM - eVLLDOZER RIPPING <br />Task q: 6 Prep. by: SC5 Task File Name: M196-6 <br />___________ ________ _____________ <br />Date: 02/26/99 Permit p: M-77-196 Mine: Buena Vista Pit <br />___________ ________ _________________________________ <br />Permit Action: Estimate reclamation cost <br />_____________________________________________________________ <br />Task Desczip[icn: Rip operations and stockpile areas <br />_____________________________________________________________ <br />HOURLY EQUIPMENT COST <br />-------------•-__---• Basic Machine: Cac DBN Horsepower: 285 <br />Blade 'type: UNIVERSAL ----..---- <br />Attachment p1: ROPS Cab Shift Basis: 1/day <br />Attachment p2 :~3-shank ripper ---------- <br />Cost/Hr Breakdown: Utilization F (code d$G) <br />----------------- ownership 54]. 60 N/A <br />operating/overhaul - dozer - 555. 31 100 <br />-ripper - 5]. 00 100 <br />operator - 527. 12 N/A <br />Sot al egpc. unit coat/hr - 5129.02 Total fleet cost/hr: 5129.02 <br />MATERIAL QUAMITIES <br />................... <br />Selected method Area <br />Seismic Load Bank ------------- <br />method: N/A N/A Pactor N/A Volume N/A BCY <br />Area ___________ _______ __________- <br />mechod: 9.42 Acres Rip Depth: 1.00 Volume ],171 BCY or CCY <br />___________ ___-___ ___________ <br />Source of goon[ i[y take-off: Personal est ima[e <br />____________________________________________________ <br />Source of mat. load factor: N/A <br />HOVRLY PRODVCCION <br />Seismic Method - Seismic velocity of material: N/A feet/sec. <br />-------------- - Unadjusted hourly production: NJA BCY or CCY(hr <br />Area Method - Avg. ripping depth per pace: 1.00 feet <br />----------- - Avg. ripping width per pass: 7.08 feet <br />- Avg. ripping length per pace: 100.00 Eeet <br />- Avg, velocity of machine 88.00 feet/min. <br />- Avg, machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.]03 acres/ht <br />- Unadjusted hourly production: 1,134.86 BCY or CCY/hr <br />Correction Factors - Unadj uaced production - 1,134.86 BCY or CCY/hr <br />------------------ - SL[e altitude - 8,050 Eeet <br />- Altitude adjustment - 1.00 ICat [bl) <br />- Job efficiency factor O.BI Ilsh/dayl <br />- Net correction - O.B3 multiplier <br />- Adj ua[ed production - 991.94 BCY or CCY/hr <br />- Fleet production - 991.99 BCY or CCY/hr <br />JOB COST ........ <br />Fleet Size 1 Dozer (sl Total Sob Time: 7.5] Hours <br />________ ___________ <br />Vnit Coat 50.13] /LCY Total Job Cost: 59]6.]6 <br />________ ___________ <br />