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 19 of 90
Task description
Site: Yoast Mine
BULLDOZER WORK
Grade Drill Pads Associated with Minor Revision 18
PROJECT IDENTIFICATION
Permit Action: Partial Phase I Bond
Release SL -04 Permit/Job #: C1994082
Task #: 005 State: Colorado
Date: 9/11/2012 County: Routt
User: SLB
Agency or organization name: DRMS
HOURLY EOL
Basic Machine:
Horsepower:
Blade Type:
Attachment:
Shift Basis:
Data Source:
IIPMENT COST
Cat DI IR - I IU
850
Universal
NA
1 per day
(CRG)
Abbreviation: None
Filename: C082 -005
Total unit Cost/Hour: $444.28
Total Fleet Cost/Hour: 5888.56
MATERIAL QUANTITIES
(AVG.)
Utilization %
Ownership Cost/Hour:
$131.18
NA
Operating Cost/Hour:
$274.62
100
Ripper op. Cost/Hour:
$0.00
0
Operator Cost/Hour:
$38.49
NA
Total unit Cost/Hour: $444.28
Total Fleet Cost/Hour: 5888.56
MATERIAL QUANTITIES
(AVG.)
Initial Volume:
1,600
Swell factor:
1.165
Loose volume:
1,864 LCY
Source of estimated
volume: Division of Reclamation, Mining & Safety
Source of estimated swell factor: Cat Handbook
HOURLY PRODUCTION
Average push distance: 100 feet
Unadjusted hourly production: 2,870.3 LCY/hr
Materials consistency description: Compacted fill or embankment 0.9
Average push gradient: 5%
Average site altitude:
7,800 feet
Material weight: 2,900 lbs/LCY
Weight description: Decomposed rock - 50% Rock, 50% Earth
Job Condition Correction Factor Source
Operator Skill:
Material consistency:
Dozing method:
Visibility:
Job efficiency:
0.750
(AVG.)
0.900
(CAT HB))
1.000
(GEN. )
1.000
(AVG.)
0.830
(1 SHIFT/DAY)