PERMFILE44808

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 6/9/2006
• Doc Name: Reclamation Bond Cost Estimate
• Section_Exhibit Name: Exhibit 2.03-E3 Part 2
• Media Type: D
• Archive: Yes

CIRCES Cost Estimatiaa Software
PROJ ECT IDENTIFICATION
Task #: 053
Date
User
04/08/2006
State :Colorado
County :Delta
JRS Site : Sanborn Creek Mine
Agency or organization name :Colorado Division Of Minerals And
Permit or other job action :2006 Midtemr Review
Permitfjob # : C-81-022
Abbreviation :none
Filename : C022-053
Task description : FXCaVatf/BaCkfi/1 POIId C Wall Alfa
HOURLY EQUIPMENT COST
Machine description :Cat 330C L Horsepower : 244
Weight (MT) : 33.72
Cost Breakdown : Utilization
Ownership cosUhour : $39.99 NA Shift basis : 1 per day
Operating cosUhour : $52.04 100 Data source : (CRG)
OperatorcosUhour: $32.72 NA
Total unit cosUhour : $124.74 Total Fleet cosUhour : $124.74
MATERIAL QUANTITIES
Initial Swell Loose
volume : 275 BCY factor : 1.250 volume : 344 LCY
Source of estimated volume :Division Estimate
Source of estimated swell factor :CAT Handbook
HOURLY PRODUCTION
Excavator Cvcle Time (load bucket. swing loaded, dump bucket, swing em
Basic job condition description : AVERAGE
Secondary job condition within basic description : AVERAGE
Cycle time value : 0.32 minutes
Bucket Caoacitv
Rated bucket capacity : 1.12 LCY (heaped) Bucket size class : small
Bucket fill factor : 0.85 Hard, tough clay (80% - 90%)
Adjusted bucket capacity : 0.95 LCY
Job Condition Correction Factors Source
Site altitude : 6,000 feet Altitude adjustment : 1.00 ' (Cat HB)
Job efficiency adjustment : 0.83 (1 shift/tlay)
Net job correction : 0.83 multiplier

Unadjusted hourly unit production : 177.94 LCY/hour
Adjusted hourly unit production : 147.69 LCY/hour
Adjusted houdy fleet production : 147.69 LCY/hour
JOB TIME AND COST
Fleet size : 1 excavator(s) Total job time : 2.33 hours
Unit cost : $0.845 per LCY Total job cost : $290