2018-11-26_GENERAL DOCUMENTS - C1980004

• Permit No: C1980004
• IBM Index Class Name: General Documents
• Doc Date: 11/26/2018
• Doc Name Note: For RN8
• Doc Name: Proposed Decision and Findings of Compliance
• From: DRMS
• To: McClane Canyon Mining, LLC
• Permit Index Doc Type: Findings
• Email Name: CCW
• Media Type: D
• Archive: No

BULLDOZER RIPPING WORK
Task description: Rip CmClane to Munger Haul Road
Site: McClane Canyon Mine Permit Action: RN8
PROJECT IDENTIFICATION
Task #: 009 State: Colorado
Date: 9/5/2018 County: Garfield
User: TNL
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat D9T - 9SU
Ripper Attachment: 3 -Shank Ripper
Permit/Job#: C1980004
Abbreviation: None
Filename: 009
Horsepower: 405
Shift Basis: 1 per day
Data Source: (CRG)
Cost Breakdown:
Utilization %
Ownership Cost/Hour:
$110.70 NA
Operating Cost/Hour:
$95.46 100
Ripper Ownership Cost/Hour:
$12.36 NA
Ripper Operating Cost/Hour:
$7.88 100
Operator Cost/flour:
$41.52 NA
Total Unit Cost/Hour:
$267.92
Total Fleet Cost/Hour: $267.92
MATERIAL QUANTITIES
Selected estimating method: Area
Alternate Methods:
Seismic: NA Bank Volume: NA
BCY
NA
Area: 0.48 acres Rip Depth (ft): 2.00
Volume:
1,549 BCY or CCY
Source of estimated quantity: Figure 2-2-2; Operator Estimate
HOURLY PRODUCTION
Seismic:
Seismic Velocity:
NA
feet/second
Area:
Average Ripping Depth:
2.63
mph
Average Ripping Width:
7.67
degrees
Average Ripping Length:
200.00
feet
Average Dozer Speed:
88.00
feet
Average Maneuver Time:
0.25
feet
Production per unit area:
0.838
acres/hour
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
0.838
Acres/hr
Site Altitude:
5,600
feet
Altitude Adj:
1.00
(CAT HB)
Job Efficiency:
0.83
(1 shift/day)
Net Correction:
0.83
multiplier
Adjusted Hourly Unit Production:
0.70 Acres/hr
Adjusted Hourly Fleet Production:
0.70 Acres/hr
JOB TIME AND COST
Fleet size: 1 Grader(s)
Total job time:
0.69 Hours