2012-09-12_REVISION - C1994082

• Permit No: C1994082
• IBM Index Class Name: Revision
• Doc Date: 9/12/2012
• Doc Name: Cost Estimate
• From: DRMS
• To: File
• Type & Sequence: SL4
• Email Name: SLB
• Email Name: SB1
• Media Type: D
• Archive: No

Yoast Mine C1994082 SL -4 Page 23 of 90
Task description
Site: Yoast Mine
MOTOR GRADER WORK
Grade Light -Use Roads
Permit Action: Partial Phase I Bond
Release SL -04
PROJECT IDENTIFICATION
Task #: 021 State: Colorado
Date: 9/11/2012 County: Routt
User: SLB
Agency or organization name: DRMS
Permit /Job #: C1994082
Abbreviation: None
Filename: C082 -021
HOURLY EQUIPMENT COST
Basic Machine: CAT 14M Horsepower: 259
Ripper Attachment: Multi -Shank Ripper Shift Basis: 1 per day
Data Source: (CRG)
Cost Breakdown
MATERIAL QUANTITIES
Total Area to be graded or ripped
Source of estimated acreage
HOURLY PRODUCTION
2.00
Division Estimate
acres
Average Grader Speed:
1.50
mph
Utilization %
Ownership Cost/Hour:
$42.77
Selected Blade Angle:
NA
Operating Cost/Hour:
$67.12
12.10
100
Ripper Operating Cost/Hour:
$0.00
feet
0
Operator Cost/Hour:
$24.47
Unadjusted Hourly Unit Production:
NA
Total Unit Cost/Hour:
$134.36
Total Fleet Cost/Hour:
$137.61
MATERIAL QUANTITIES
Total Area to be graded or ripped
Source of estimated acreage
HOURLY PRODUCTION
2.00
Division Estimate
acres
Average Grader Speed:
1.50
mph
Selected Application:
Finish
grading (0 -2.5 mph) - 1.5
Selected Blade Angle:
30
degrees
Effective Blade Length:
12.10
feet
Width of blade overlap per pass:
2.00
feet
Net grading or ripping width per pass:
10.10
feet
Unadjusted Hourly Unit Production:
1.8364
acres/hour
Job Condition Correction Factors
Site Altitude: 7500 feet
Source
Altitude Adj : 1.00 (CAT HB)
Job Efficiency: 0.90 (1sh/d, fay.)
Net Correction: 0.9000 multiplier
Adjusted Hourly Unit Production:
Adjusted Hourly Fleet Production:
JOB TIME AND COST
Fleet size: 1
1.6527
1.6527
Grader(s) Total job time:
acres/Hour
acres/Hour
1.21
Unit cost: $81.30 per acre Total job cost: $163.00
Hours