PERMFILE58363

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 2/13/2007
• Section_Exhibit Name: Exhibit 53 Bond Liability Calculations Part 3
• Media Type: D
• Archive: Yes

CIRCES Cost Estimating Software
MOTOR GRADER WORK
Task # : 196 State :Colorado PermiUjob # : C-80-007
Date
User
0927/2006 County :Gunnison
TAK Site :West Elk Mine
Abbreviation :none
Filename :0007-196
Agency or organization name :Colorado Division Of Reclamation, Mining And Safety
Permit or otherjob action :Permit Renewal RN-03
Task description :Finish grade ROM Pile
HOURLY EQUIPMENT COST
Basic machine :CAT 14H
Attachment no. 1 :NA
Attachment no. 2 :Multi-shank
Horsepower : 215
Shift basis : 1 per day
Data source : (CRG)
Utilization
Cost Breakdown Ownership cosUhour : $36.31 NA
Grader operating cosUhour : $40.92 100
Ripper operating cosUhour : $0.31 10
Operator cost/hour : $24.47 NA
Total unit cost/hour : $102.00 Total fleet cosUhour : $102.00
MATERIAL QUANTITIES
Total area to be graded or ripped : 2.50 acres
Source of estimated acreage :Map 53
;:: •;:
HOURLY PRODUCTION
Selected application :Finish grading (0.2.5 mph)
Average grader speed : 1.25 mph
Selected blade angle : 30 degrees' `at 0 degrees, blade is perpendicular
Effective blade length : 12.10 feet to tlirection of travel.
Width of blade overlap per pass : 2.00 feet
Net grading or ripping width per pass : 10.10 feet " "witllh of ripper beam on ripping applications
Unadjusted hourly unit production : 1.5303 acres/hour

Job Condition Correction Factors Source
Average site altitude : 6,280 feet Altitude adjustment factor : 1.00 (Cat HB)
Job efficiency adjustment factor : 0.85 (lsh/d, mod.)
Netjob correction : 0.8500 multiplier

Adjusted hourly unit production : 1.3008 acres/hour
Adjusted hourly fleet production : 1.3008 acres/hour

JOB 71ME AND COST ,:.;:
<., ;
Fleet size : 1 grader(s) Total job time : 1.92 hours
Unit cost : $78.42 per acre Total job cost : $196