2015-01-30_REVISION - C1996083

• Permit No: C1996083
• IBM Index Class Name: Revision
• Doc Date: 1/30/2015
• Doc Name: Reclamation Cost Estimate - MT4
• From: Bowie Resources
• To: DRMS
• Type & Sequence: MT4
• Email Name: SLB
• Media Type: D
• Archive: No

Bowie No. 2 Mine C1996083 Midterm Review No. 4 (MT -4) Page 69 of 558
Task description:
Site: Bowie No. 2 Mine
COMPACTION WORK
Refuse on Gob Pile #2
Permit Action: Midterm Review 4
PROJECT IDENTIFICATION
Task #: 039 State: Colorado
Date: 10/2/2014 County: Delta
User: SLB
Permit/Job #: C1996083
Abbreviation: None
Filename: C083 -039
Agency or organization name: DRMS
feet
4.00
mph
10.00
HOURLY EQUIPMENT COST
16.3
(5,280ft. /12in. /27cu.ft.)
Basic Machine: CAT 815F
passes
Horsepower: 240
Compactor Type: Soil - tamping foot
Site Altitude:
Shift Basis: 1 per day
Data Source: (CRG)
Cost Breakdown:
Utilization %
Ownership Cost/Hour:
$36.81
NA
Operating Cost/Hour:
$82.25
100
Operator Cost/Hour:
$28.75
NA
Total Unit Cost/flour:
$147.81
Total Fleet Cost/flour:
$147.81
MATERIAL OUANTITIES
Loose volume: 200,000 LCY Shrinkage factor: 0.900
Compacted volume: 180,000 CCY
Source of estimated volume: Page 2.05 -45
Source of estimated shrinkage factor: Cat Handbook
HOURLY PRODUCTION
Compacted width per pass (W):
Average Compactor Speed (S):
Compacted thickness of each lift (L):
Conversion Constant (C):
Required number of machine passes (P):
Unadjusted Hourly Unit Production:
Job Condition Correction Factors
Unadjusted hourly production = (W x S x L x C) / P
6.50
feet
4.00
mph
10.00
inches
16.3
(5,280ft. /12in. /27cu.ft.)
3
passes
1,412.67
CCY/hour
Site Altitude:
6,100 feet
Source
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift /day)
Net Correction: 0.8300 multiplier
Adjusted Hourly Unit Production: 1,172.51 CCY/Hour
Adjusted Hourly Fleet Production: 1,172.51 CCY/Hour
JOB TIME AND COST
Fleet size: 1 Compactor(s) Total job time: 153.52 Hours
Unit cost: $0.126 per CCY Total job cost: $22,691