2020-06-16_REVISION - C1981035 ‎(2)‎

• Permit No: C1981035
• IBM Index Class Name: Revision
• Doc Date: 6/16/2020
• Doc Name: Reclamation Cost Estimate
• From: DRMS
• To: GCC Energy
• Type & Sequence: TR29
• Email Name: JHB
• Email Name: THM
• Media Type: D
• Archive: No

Mineseal Worksheet Cont'd Task # TTT Page 5 of 11
BULLDOZER RIPPING WORK
Task description: Rip King III portal access road
Site: King Coal Mine Permit Action: TR29 Permit/Job#: C1981035
PROJECT IDENTIFICATION
Task #: 36
Date: 6/16/2020
State: Colorado
County: La Plata
User: JHB
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat D8T - SSU
Ripper Attachment: 3 -Shank Ripper
Cost Breakdown:
Ownership Cost/Hour:
Operating Cost/Hour:
Ripper Ownership Cost/Hour:
Ripper Operating Cost/Hour:
Operator Cost/Hour:
Total Unit Cost/Hour:
Total Fleet Cost/Hour:
MATERIAL OUANTITIES
Abbreviation: None
Filename: C035-36
Horsepower: 310
Shift Basis: 1 per day
Data Source: (CRG)
$103.86
Utilization %
NA
$82.26
100
$10.43
NA
$8.38
100
$41.24
NA
$246.17
$246.17
Selected estimating method: Area
Alternate Methods:
Seismic: NA Bank Volume: NA
BCY
NA
Area: 0.32 acres Rip Depth (ft): 1.50
Volume:
774 BCY or CCY
Source of estimated quantity: Map King If -007M, 640 ft. L x approx 22 ft. w
HOURLY PRODUCTION
Seismic:
Seismic Velocity:
NA
feet/second
Area:
Average Ripping Depth:
1.50
feet/pass
Average Ripping Width:
7.08
feet/pass
Average Ripping Length:
50.00
feet/pass
Average Dozer Speed:
88.00
feet/minute
Average Maneuver Time:
0.25
minutes/pass
Production per unit area:
0.596
acres/hour
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
0.596
Acres/hr
Site Altitude:
7,400
feet
Altitude Adj:
1.00
(CAT HB)
Job Efficiency:
0.83
(1 shift/day)
Net Correction:
0.83
multiplier
Adjusted Hourly Unit Production:
0.49
Acres/hr
Adjusted Hourly Fleet Production:
0.49
Acres/hr
JOB TIME AND COST
CIRCES Cost Estimating Software