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 Page 8 of 118
Task description: C
Site: Bowie No. 1 Mine
PROJECT IDENTIFICATION
COMPACTION WORK
OVWM Road Backfill
Permit Action: Bond Release 4 (SL -4)
Task #: 033 State: Colorado
Date: 12/19/2012 County: Delta
User: BFB
Agency or organization name: DRMS
Permit /Jobt C1981038
Abbreviation: None
Filename: C038 -033
HOURLY EQUIPMENT COST
Basic Machine: CAT 815F Horsepower: 240
Compactor Type: Soil - tamping foot Shift Basis: 1 per day
Data Source: (CRG)
Cost Breakdown:
MATERIAL OUANTITIES
Loose volume: 20,238 LCY
Compacted volume: 17,607 CCY
Source of estimated volume: 1988 Operator Estimate
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
Shrinkage factor: 0.870
Unadjusted hourly production — (W x S x L x Cl / P
6.50
feet
4.00
Utilization %
Ownership Cost /Hour:
$36.81
16.3
NA
Operating Cost /Hour:
$79.64
847.60
100
Operator Cost /Hour:
$23.76
NA
Total Unit Cost/Hour:
$140.21
Total Fleet Cost /Hour:
$140.21
MATERIAL OUANTITIES
Loose volume: 20,238 LCY
Compacted volume: 17,607 CCY
Source of estimated volume: 1988 Operator Estimate
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
Shrinkage factor: 0.870
Unadjusted hourly production — (W x S x L x Cl / P
6.50
feet
4.00
mph
8.00
inches
16.3
(5,280ft. /12in. /27cu.ft.)
4
passes
847.60
CCY/hour
Site Altitude:
6,800 feet
Source
Altitude Adj : 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift /day)
Net Correction: 0.8300 multiplier
Adjusted Hourly Unit Production:
Adjusted Hourly Fleet Production:
JOB TIME AND COST
Fleet size: 1 Compactor(s)
Unit cost: $0.199 per CCY
703.51
703.51
CCY /Hour
CCY /Hour
Total job time: 25.03 Hours
Total job cost: $3,509.00
CIRCES Cost Estimating Sofiivare