2008-06-20_REVISION - C1981044 ‎(2)‎

• Permit No: C1981044
• IBM Index Class Name: REVISION
• Doc Date: 6/20/2008
• Doc Name: Memo & Cost Estimate
• From: Jim Stark
• To: File
• Type & Sequence: RN5
• Media Type: D
• Archive: No

Agency or organization name : Colorado Division Of Reclamation, Mining And Safety
Permit or other job action : Permit Renewal 05
Task description : Regrade Portal No. 5A Area
HOURLY EQUIPMENT COST
Basic machine: Cat D10R - 10SU (2005) Horsepower : 570
Blade type : Semi-Universal
Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day
Attachment no. 2:3-shank ripper
Data source : (CRG)
Utilization %
Cost Breakdown : Ownership cost/hour : $97.38 NA
Operating cost/hour : $138.49 100
Ripper op. cost/hour : $1.51 15
Operator cost/hour : $32.78 NA
Total unit cost/hour : $270.15 Total fleet cost/hour : $1,080.61
.... .. .

MATERIAL QUANTITIES
....
.:.:...:::
Initial Swell Loose
volume
290,000 CCY factor 1.165 volume 337,850 LCY
Source of estimated volume : Permit Exhibit 25, Table 63, Map 26
Source of estimated swell factor :Division Estimate

HOURLY PRODUCTION Job Condition Correction Factors Source
Operator skill : 0.75 (avg.)
Average push distance : 200 feet Material consistency : 0.90 (Cat HB)
Unadjusted hourly production : 946.0 LCY/hr Dozing method : 1.00 (gen.)
Visibility : 1.00 (avg.)
Material consistency description : Job efficiency : 0.83 (lshift/day)
Compacted fill or embankment Spoil pile : 0.80 (fnd-rf)
Push gradient : 0.90 (Cat HB)
Average push gradient : 5.00 % (pos) Altitude : 1.00 (Cat HB)
Average site altitude : 5,400 feet Material weight : 0.79 (Cat HB)
Blade type : 1.00 (S/SUN)
Material weight : 2,900 Ibs/LCY Net correction : 0.32
Weight description :
Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 303.73 LCY/hr
Adjusted fleet production : 1,214.92 LCY/hr

.....: .. .....
JOB TIME AND COST .
Fleet size : 4 Dozer(s) Total job time : 278.08 Hours
Unit cost : $0.889 /LCY Total job cost : $300,500