Laserfiche WebLink
Colorado Division of Minerals and Geology <br />ESTIMATING FORM - BULLD02ER RIPPING <br />___________________________________ <br />Task #: 4 Prep. by: RCO Task File Name: M039-4 <br />_______---- ________ _____________ <br />Date: 08/14/97 Permit #: M-78-039 Mine: St. Jude Nine <br />___________ ________ _________________________________ <br />Permit Action: Final Reclamation <br />_____________________________________________________________ <br />Task Description: Rip Compacted Areas for Reveg <br />_____________________________________________________________ <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Lat D9N Horsepower: 370 <br />Blade Type: SEMI-UNIVERSAL ---------- <br />Attachment #1: ROPS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank ripper ---------- <br />Cost/Hr Breakdown: Utilization % (code b§0) <br />----------------- ownership = 548.37 N/A <br />operating/overhaul - dozer = 574-14 100 <br />-ripper = 57.69 100 <br />operator = 522.95 N/A <br />Total egpt. unit cost/hr = 5153.15 Total fleet cost/hr: 5153.15 <br />_________ _________ <br />MATERIAL QUANTITIES <br />___________________ Selected method Area <br />Seismic Load Bank ------------- <br />method: N/A N/A Factor N/A Volume N/A BCY <br />Area ___________ _______ ___________ <br />method: 4.25 Acres Rip Depth: 1.50 Volume 10,285 BCY or CCY <br />Source of quantity takeoff: Lalc from Map, Inspection <br />____________________________________________________ <br />Source of mat. load factor: N/A <br />HOURLY PRODUCTION <br />Seismic Method - Seismic velocity of material: N/A feet/sec. <br />-------------- - Unadjusted hourly production: N/A BCY or CCY/hr <br />Area Method - Avg. ripping depth per pass: 1.50 feet <br />----------- - Avg. ripping width per pass: 7.67 feet <br />- Avg. ripping length per pass: 300.00 feet <br />- Avg. velocity of machine 88.00 feet/min. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.866 acres/hr <br />- Unadjusted hourly production: 2,096.15 BCY or CCY/hr <br />Correction Factors -Unadjusted production = 2,096.15 BCY or CCY/hr <br />------------------ -Site altitude = 5,750 feet <br />- Altitude adjustment = 1-00 (Cat tbl) <br />- Job eff itiency factor = 0.83 (1sh/day) <br />- Net correction = 0.83 multiplier <br />- Adjusted production = 1739.80 BCY or CCY/hr <br />- Fleet production = 1739.80 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Dozers) Total Job Time: 5.91 Hours <br />________ -__________ <br />Unit Cost 50.088 /LCY Total Job Cost: 5905.37 <br />