2013-04-15_REVISION - C1981038 ‎(2)‎

• Permit No: C1981038
• IBM Index Class Name: Revision
• Doc Date: 4/15/2013
• Doc Name: Proposed Decision Letter & Form and Cost Estimate
• From: DRMS
• To: Bowie Resources
• Type & Sequence: SL4
• Email Name: BFB
• Email Name: SB1
• Email Name: SLB
• Media Type: D
• Archive: No

Cost Summary Worksheet Cont'd Task # 001
BULLDOZER WORK
Task description: Backfill Orchard Valley West Mine Bench
Site: Bowie No. 1 Mine Permit Action: Bond Release 4 (SL -4)
PROJECT IDENTIFICATION
Task #: 017 State
Date: 12/19/2012 County
User: BFB
Colorado
Delta
Agency or organization name: DRMS
HOURLY EOUIPMENT COST
Basic Machine:
Cat D10T - lOSU
Horsepower:
574
Blade Type:
Semi - Universal
Attachment:
3 -shank ripper
Shift Basis:
1 per day
Data Source:
(CRG)
Cost Breakdown:
Page 4 of 118
Permit /Job #: C1981038
Abbreviation: None
Filename: C038 -017
Total unit Cost /Hour: $341.51
Total Fleet Cost /Hour: 51,366.06
MATERIAL QUANTITIES
Initial Volume: 11,500
Swell factor: 1.165
Loose volume: 13,398 LCY
Source of estimated volume: Remaining volume after SL -02 approval
Source of estimated swell Cat Handbook
factor:
HOURLY PRODUCTION
Average push distance: 400 feet
Unadjusted hourly 497.3 LCY/hr
production:
Materials consistency description: Compacted fill or embankment 0.9
Average push gradient:
Average site altitude:
Material weight:
10%
7,300 feet
2.900 lbs /LCY
Weight description: Decomposed rock - 50% Rock, 50% Earth
Job Condition Correction Factor Source
Operator Skill: 0.750 (AVG.)
Material consistency: 0.900 (CAT HB))
CIRCES Cost Estimating Sofiivare
Utilization %
Ownership Cost /Hour:
$110.73
NA
Operating Cost /Hour:
$183.36
100
Ripper op. Cost /Hour:
$10.01
100
Operator Cost /Hour:
$37.41
NA
Total unit Cost /Hour: $341.51
Total Fleet Cost /Hour: 51,366.06
MATERIAL QUANTITIES
Initial Volume: 11,500
Swell factor: 1.165
Loose volume: 13,398 LCY
Source of estimated volume: Remaining volume after SL -02 approval
Source of estimated swell Cat Handbook
factor:
HOURLY PRODUCTION
Average push distance: 400 feet
Unadjusted hourly 497.3 LCY/hr
production:
Materials consistency description: Compacted fill or embankment 0.9
Average push gradient:
Average site altitude:
Material weight:
10%
7,300 feet
2.900 lbs /LCY
Weight description: Decomposed rock - 50% Rock, 50% Earth
Job Condition Correction Factor Source
Operator Skill: 0.750 (AVG.)
Material consistency: 0.900 (CAT HB))
CIRCES Cost Estimating Sofiivare