2008-05-09_REVISION - C1981022 (2)

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CIRCES Cost Estimating Software BULLDOZER RIPPING WORK PROJECT IDENTIFICATION Task # : 027 Date : 05/06/2008 User : JRS Agency or organization name :Colorado Division Of Reclamation, Permit or other job action : Pe-mit Renewa105 Task description :Rip All Surface Facility Areas HOURLY EQUIPMENT COST MATERIAL QUANTITIES State :Colorado County :Delta Site : Sanborn Creek Mine PermiUjob # : C-81-022 Abbreviation :none Filename : C022-027 And Safety Basic machine :Cat D9R - 9SU (2005) Horsepower : 405 Blade type :Semi-Universal Attachment no. 1 : ROPS Cab Shift basis : 1 per day Attachment no. 2 :3-shank ripper Selected estimating method : Area Alternate methods - Seismic : NA NA Load factor : NA Bank volume : NA BCY Area : 90.20 acres Rip depth (ft) : 2.00 Volume : 291,045 BCY or CCY Source of estimated quantity :Page 2.05-20 Source of estimated load factor :NA HOURLY PRODUCTION Alternate methods - Job Condition Correction Factors - Seismic : Seismic velocity : NA feet/second Unadjusted production Unadjusted production : NA cu. yds./hour per selected method : 2,458.87 cu. yds./hour Area : Avg. ripping depth : 2.00 feet/pass Site altitude : 6,200 feet Average ripping width : 7.67 feet/pass Altitude adjustment : 1.00 (Cat HB) Average ripping length : 100.00 feet/pass Job efficiency factor : 0.83 (1 shiff/day) Average dozer speed : 88.00 feet/minute Net job correction : 0.83 multiplier Average maneuver time : 0.25 minutes/pass Production per unit area : 0.762 acres/hour Adjusted unit production : 2,040.86 cu. yds./hour Unadjusted production : 2,458.87 cu. yds./hour Adjusted fleet production : 6,122.59 cu. yds./hour JOB TIME AND COST .............................. Fleet size : 3 dozers) Total job time : 47.54 hours Unit cost : $0.105 per cu. yd. Total job cost : $30,539