2010-05-07_PERMIT FILE - C2006085 ‎(6)‎

• Permit No: C2006085
• IBM Index Class Name: Permit File
• Doc Date: 5/7/2010
• Doc Name: Reclamation Cost Estimate
• Section_Exhibit Name: Exhibit AL
• Media Type: D
• Archive: No

CIRCES Cost Estimatina Software
6.42
COMPACTION WORK
Average compactor speed (S) :
PROJECT IDENTIFICATION
mph
Task # : 008 State : Colorado Permit/job # : C- 2006 -085
8.00
Date : 17- Mar -2010 County : Fremont Abbreviation : none
Conversion constant (C) :
User: JRS Site : Northfield Mine Filename : C085 -008
(5,280 ft./12 in. /27 cu.ft.)
Required number of machine passes (P) :
Agency or organization name : Colorado Division Of Reclamation, Mining And Safety
passes
Permit or other job action : Technical Revision 1
627.88
Task description Compact Mine Waste and Coal Stockpile Footprints at Mine Waste Pile
HOURLY EQUIPME� NT COST
Machine description CAT 815F Horsepower:
240
Compactor type : Soil - tamping foot Shift basis:
1 per day
Utilization % Data source:
(CRG)
Cost Breakdown: Ownership cost/hour : $44.16
NA
Operating cost/hour : $78.47
100
Operator cost/hour : $38.54
NA
Total unit cost/hour : $161.17 Total fleet cost/hour :
$161.17
MATERIAL QUANTITIES
Loose Shrinkage Compacted
volume: 15,000 LCY factor : 0.900 volume: 13,500
CCY
Source of estimated volume : Division Estimate
Source of estimated shrinkage factor : CAT Handbook
HOURLY PRODUCTION
Unadjusted hourly production = (W x S x L x C) / P
Compacted width per pass (W) :
6.42
feet
Average compactor speed (S) :
3.00
mph
Compacted thickness of each lift (L) :
8.00
inches
Conversion constant (C) :
16.3
(5,280 ft./12 in. /27 cu.ft.)
Required number of machine passes (P) :
4
passes
Unadjusted hourly unit production :
627.88
CCY /hr
Job Condition Correction Factors Source
Site altitude : 5,400 feet Altitude adjustment factor: 1.00 (Cat HB)
Job efficiency factor: 0.83 (1 shift/day)
Net job correction : 0.83 multiplier
Adjusted hourly unit production : 521.14 CCY /hr
Adjusted hourly fleet production : 521.14 CCY /hr
JOB TIME AND COST
Fleet size : 1 compactor(s) Total job time: 25.90 hours
Unit cost : $0.309 per CCY Total job cost: $4,175