2007-11-20_REVISION - M1981185

• Permit No: M1981185
• IBM Index Class Name: REVISION
• Doc Date: 11/20/2007
• Doc Name: Bond recalculation for permit transfer
• From: DRMS
• To: Wildcat Mining Corp.
• Type & Sequence: SO2
• Email Name: RCO
• Media Type: D
• Archive: No

CIRCES Cost Estimating Software
HYDRAULIC EXCAVATOR WORK
PROJECT IDENTIFICATION
Task #: 201 State :Colorado Permit/job # M-1981-185
Date : 1112012007 County: La Plata Abbreviation :none
User : RCO Site : May Day Mine Filename : M185-201
Agency or organization name: DRMS
Permit or other job action : Transfer to Wildcat Mining
Task description :Recontour dump - Level,2
HOURLY EQUIPMENT COST
Machine description : Cat 320C Horsepower : 138

Cost Breakdown : Utilization % Weight (MT) : 19.70
Ownership cost/hour : $26.76 NA Shift basis: 1 per day
Operating cost/hour : $36.66 100 Data source:
ource :
- (CRG)
-
Operator cost/hour : $32.96 NA
Total unit cost/hour : $96.39 Total fleet cost/hour : $96.39
MATERIAL QUANTITIES
Initial Swell Loose
volume: 650 CCY factor : 1.215 volume : 790 LCY
Source of estimated volume :permit plan
Source of estimated swell factor :na
HOURLY PRODUCTION
Excavator Cycle Time (load bucket swing loaded dump bucket swing empty)
Basic job condition description : AVERAGE
Secondary job condition within basic description : AVERAGE
Cycle time value :
Bucket Capacity 0.28 minutes
Rated bucket capacity : 1.63 LCY (heaped) Bucket size class :
---
- medium
Bucket fill factor :
6
.97 Sand and gravel (95% - 100916)
Adjusted bucket capacity : 1.59 LCY
Job Condition Correction Factors

Site altitude : 9,200 feet Altitude adjustment :
0.87 Source
(Cat HB)
Job efficiency adjustment : 0.83 (1 shift/day)
Net job correction : 0.72 multiplier
Unadjusted hourly unit production : 335.76 LCY/hour
Adjusted hourly unit production : 242.45 LCY/hour
Adjusted hourly fleet production : 242.45 LCY/hour
JOB TIME AND COST - -
Fleet size : 1 excavator(s) Total job time : 3.26 h ours
Unit cost : $0.398 per LCY Total job cost : $314