2015-04-03_REVISION - C2009087

• Permit No: C2009087
• IBM Index Class Name: Revision
• Doc Date: 4/3/2015
• Doc Name: Adequacy Review No. 1
• From: DRMS
• To: Peabody Sage Creek Mining, LLC
• Type & Sequence: RN1
• Email Name: JLE
• Email Name: DIH
• Media Type: D
• Archive: No

BULLDOZER RIPPING WORK
Task description: Rip North Facilities Area
Site: Peabody Sage Creek Mine Permit Action: RN1 -2015
PROJECT IDENTIFICATION
Task #: 031 State: Colorado
Date: 3/30/2015 County: Routt
User: JLE
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat D10T - lOSU
Ripper Attachment: 3 -Shank Ripper
Page 40 of 138
Permit/Job #: C2009087
Abbreviation: None
Filename: C087 -031
Horsepower: 574
Shift Basis: 1 per day
Data Source: (CRG)
Cost Breakdown:
NA
feet /second
Area:
Utilization %
Ownership Cost /Hour:
$131.86
Average Ripping Width:
NA
Operating Cost/flour:
$184.48
250.00
100
Ripper Operating Cost/flour:
$11.02
feet
100
Operator Cost/Hour:
$38.01
Production per unit area:
NA
Total Unit Cost/flour:
$365.36
Total Fleet Cost/Hour:
$365.36
0.966
MATERIAL QUANTITIES
Selected estimating method: Area
Alternate Methods
Seismic: NA Bank Volume:
Area: 6.00 acres Rip Depth (ft):
Source of estimated quantity: Map
HOURLY PRODUCTION
NA
1.50
2.05.3 M1B
BCY NA
Volume: 14,520 BCY or CCY
Seismic Velocity:
NA
feet /second
Area:
Average Ripping Depth:
1.50
mph
Average Ripping Width:
8.67
degrees
Average Ripping Length:
250.00
feet
Average Dozer Speed:
88.00
feet
Average Maneuver Time:
0.25
feet
Production per unit area:
0.966
acres /hour
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
0.966
Acres/hr
Site Altitude:
6,800
feet
Altitude Adj:
1.00
(CAT HB)
Job Efficiency:
0.83
(1 shift /day)
Net Correction:
0.83
multiplier
Adjusted Hourly Unit Production:
0.80
Acres/hr
Adjusted Hourly Fleet Production:
0.80
Acres/hr
JOB TIME AND COST
Fleet size: 1 Grader(s)
Total job time:
7.48
Hours
CIRCES Cost Estimating Software