2016-08-29_PERMIT FILE - C1981035A ‎(9)‎

• Permit No: C1981035A
• IBM Index Class Name: PERMIT FILE
• Doc Date: 8/29/2016
• Doc Name: Reclamation Bond Information/Estimates
• Section_Exhibit Name: KI Appendix 12
• Media Type: D
• Archive: Yes

King Mines 01981035 Midterm Review No. 7 Page 60 of 123
HYDRAULIC EXCAVATOR WORK
Task description: Clean sediment ponds (two cleanings)
Site: King Coal Mine Permit Action: Midterm Review No. 7 Permit/Job#: C1981035
PROJECT IDENTIFICATION
Task #: 064
Date: 2/11/2015
User: SLB
State: Colorado
County: La Plata
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat 312D L 9'-2" Stick
Attachment 1: ROPS Cab
Cost Breakdown:
Abbreviation: None
Filename: C035-064
Horsepower:
90
Weight (MT):
13.48
Shift Basis:
1 per day
Data Source:
(CRG)
Loose volume: 7,324 LCY
Source of estimated volume: 2 pond cleanings, 2 ac ft per cleanout
Source of estimated swell factor: Cat Handbook
HOURLY PRODUCTION
Excavator Cycle Time (load bucket, swing loaded, dump bucket, swing empty):
Basic Job Condition Description:
Secondary Job Condition within Basic Description:
Cycle Time Value:
Load Bucket Capacity
AVERAGE
AVERAGE
0.256
minutes
Bucket Size Class: Medium
Rated Capacity: 0.68 LCY (heaped)
Bucket Fill Factor: 0.850 Hard, tough clay (80% - 90%) 0.850
Adjusted Capacity: 0.58 LCY
Job Condition Correction Factors Site Altitude: 7500 feet
Source
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift/day)
Net Correction: 0.83 multiplier
Unadjusted Hourly Unit Production:
Adjusted Hourly Unit Production:
Adjusted Hourly Fleet Production:
135.47
112.44
112.44
JOB TIME AND COST
Fleet size: 1 Excavator Total job time:
LCY/Hour
LCY/Hour
LCY/Hour
65.14 Hours
Utilization %
Ownership Cost/Hour:
$20.89
NA
Operating Cost/Hour:
$30.41
100
Operator Cost/Hour:
$28.17
NA
Total Unit Cost/Hour:
$79.47
Total Fleet Cost/Hour:
$79.47
MATERIAL QUANTITIES
Initial volume: 6,453
CCY
Swell factor: 1.135
Loose volume: 7,324 LCY
Source of estimated volume: 2 pond cleanings, 2 ac ft per cleanout
Source of estimated swell factor: Cat Handbook
HOURLY PRODUCTION
Excavator Cycle Time (load bucket, swing loaded, dump bucket, swing empty):
Basic Job Condition Description:
Secondary Job Condition within Basic Description:
Cycle Time Value:
Load Bucket Capacity
AVERAGE
AVERAGE
0.256
minutes
Bucket Size Class: Medium
Rated Capacity: 0.68 LCY (heaped)
Bucket Fill Factor: 0.850 Hard, tough clay (80% - 90%) 0.850
Adjusted Capacity: 0.58 LCY
Job Condition Correction Factors Site Altitude: 7500 feet
Source
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift/day)
Net Correction: 0.83 multiplier
Unadjusted Hourly Unit Production:
Adjusted Hourly Unit Production:
Adjusted Hourly Fleet Production:
135.47
112.44
112.44
JOB TIME AND COST
Fleet size: 1 Excavator Total job time:
LCY/Hour
LCY/Hour
LCY/Hour
65.14 Hours