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~a Loredo Division of Minerals and Geology • <br />ESTIMATING FORM - BULLD02ER RIPPING <br />___________________________________ <br />___________________________________ <br />Task #: 3 Prep, by: RCO Task File Name: M007-3 <br />Date: 05/01/95 Permit #: M-95-007 Mine: Thameczek Pit <br />Permit Action: Reclamation <br />Task Description: Rip Compacted Arees and Roads <br />HOURLY EOUI PMENT COST <br />_____________________ Basic Machine: Cet D6H (7990) Xorsepower: 765 <br />Blade Type: Semi-Universal --------- <br />Attachment #1: ROPS Cab Shift Basis: 7/day <br />Attachment #2: 3-shank ripper --------- <br />Cost/Hr Breakdown: Utilization X (code bSli) <br />-------------- ownership = (22.66 N/A <br />operating/overhaul - dozer = 221.12 100 <br />-ripper = 51.93 100 <br />operator = 127.58 N/A <br />Total egpt. unit cost/hr = 567.27 Total fleet cost/h r: (67.27 <br />MATERIAL OUANT 1T lE5 <br />___________________ Selected method Aree <br />Seismic Load Bank ------------- <br />method: N/A N/A Factor : M/A Vol unc M/A BCY <br />Area _____--____ __~~ __-___--~ <br />method: 1.00 Acres Rip Depth: 7.00 Volume 1,673 BCY or CCY <br />Source of quantity take-of f: Calculated ^ <br />Source of mat. load factor: N/A <br />HOURLY PRODUCTION <br />_________________ <br />_________________ <br />Seismic Method - Seismic velocity of meteri el: N/A feet/sec. <br />-------------- - Unadjusted hourly production: N/A BCT or CCY/hr <br />Aree Method - Avg. ripping depth per pass: 7.00 feet <br />----------- - Avg. ripping width per pass: 6.58 feet <br />- Avg. ripping length per pass: 400.00 feet <br />- Avg. velocity of machine 88.00 teet)mi n. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.756 acres/hr <br />- Unadjusted hourly produetion: 7,279.67 BCY or CCY/hr <br />Correction Factors -Unadjusted production = 1,219.67 BCY or CCY/hr <br />------------------ -Site altitude = 3,900 feet <br />- Altitude adjustment = 7.00 (Cat tbl) <br />- Job efficiency factor = O. B3 (1sh/day) <br />- Net correction = 0.83 multiplier <br />- Adjusted production 1072.33 BCY or CCY/hr <br />- Fleet production = 1072.33 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Dozers) Total Job Time: 7.59 Xours <br />Unit Cost 50.066 /LCY Total Job Cost: 5107.21 <br />