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

HYDRAULIC EXCAVATOR WORK
Task description: Regrade Steep Slope Area South of Shop
Site: McClane Canyon Mine Permit Action: RN8 Permit/Job#: C1980004
PROJECT IDENTIFICATION
Task #: 002 State:
Date: 9/5/2018 County:
User: TNL
Colorado
Garfield
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat 324D L 9'-8" Stick
Attachment 1: ROPS Cab
Cost Breakdown:
Abbreviation: None
Filename: 002
Horsepower:
194
Weight (MT):
24.85
Shift Basis:
1 per day
Data Source:
(CRG)
Total Fleet Cost/Hour: $124.56
MATERIAL QUANTITIES
Initial volume: 4,125 CCY Swell factor: 1.250
Loose volume: 5.156 LCY
Source of estimated volume: Division of Reclamation, Mining & Safety
Source of estimated swell factor: Cat Handbook
HOURLY PRODUCTION
Excavator Cycle Time (load bucket, swing loaded, dump bucket, swing empty):
Load Bucket Capacity
Basic Job Condition Description:
Secondary Job Condition within Basic Description:
Cycle Time Value:
BELOW AVERAGE
AVERAGE
0.335 minutes
Bucket Size Class: Medium
Rated Capacity: 2.26 LCY (heaped)
Bucket Fill Factor: 0.975 Sand and gravel (95% - 100%) 0.975
Adjusted Capacity: 2.20 LCY
Job Condition Correction Factors Site Altitude: 5600 feet
Source
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift/day)
Net Correction: 0.83 multiplier
Unadjusted Hourly Unit Production: 394.66
Adjusted Hourly Unit Production: 327.57
Adjusted Hourly Fleet Production: 327.57
JOB TIME AND COST
Fleet size: 1 Excavator Total job time:
LCY/Hour
LCY/Hour
LCY/Hour
15.74 Hours
Unit cost: $0.380 /LCY Total job cost: $1,961
Utilization %
Ownership Cost/Hour:
$42.29
NA
Operating Cost/Hour:
$44.49
100
Operator Cost/Hour:
$37.79
NA
Total Unit Cost/Hour:
$124.56
Total Fleet Cost/Hour: $124.56
MATERIAL QUANTITIES
Initial volume: 4,125 CCY Swell factor: 1.250
Loose volume: 5.156 LCY
Source of estimated volume: Division of Reclamation, Mining & Safety
Source of estimated swell factor: Cat Handbook
HOURLY PRODUCTION
Excavator Cycle Time (load bucket, swing loaded, dump bucket, swing empty):
Load Bucket Capacity
Basic Job Condition Description:
Secondary Job Condition within Basic Description:
Cycle Time Value:
BELOW AVERAGE
AVERAGE
0.335 minutes
Bucket Size Class: Medium
Rated Capacity: 2.26 LCY (heaped)
Bucket Fill Factor: 0.975 Sand and gravel (95% - 100%) 0.975
Adjusted Capacity: 2.20 LCY
Job Condition Correction Factors Site Altitude: 5600 feet
Source
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift/day)
Net Correction: 0.83 multiplier
Unadjusted Hourly Unit Production: 394.66
Adjusted Hourly Unit Production: 327.57
Adjusted Hourly Fleet Production: 327.57
JOB TIME AND COST
Fleet size: 1 Excavator Total job time:
LCY/Hour
LCY/Hour
LCY/Hour
15.74 Hours
Unit cost: $0.380 /LCY Total job cost: $1,961