2015-01-26_PERMIT FILE - C1981012A ‎(7)‎

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 1/26/2015
• Doc Name: Bond Calculations ‎(RN5, TR50 & TR51)‎
• Section_Exhibit Name: Exhibit 28 Appendix B
• Media Type: D
• Archive: Yes

BULLDOZER RIPPING WORK
Task description: Rip Mine Entry Area Prior to Regrading
Site: New Elk Mine Permit Action: Permit Renewal 06 Permit/Job #: C1981012
PROJECT IDENTIFICATION
Task #: 623 State: Colorado
Date: 5/12/2014 County: Las Animas
User: JRS
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat 139T - 9SU
Ripper Attachment: 3 -Shank Ripper
Cost Breakdown:
Abbreviation: None
Filename: C012 -623
Horsepower: 405
Shift Basis: 1 per day
Data Source: (CRG)
Alternate Methods:
Seismic: NA Bank Volume:
NA
Utilization %
Ownership Cost/Hour:
$81.10
NA
Operating Cost/Hour:
$143.16
100
Ripper Operating Cost/Hour:
$8.91
100
Operator Cost/Hour:
$38.01
NA
Total Unit Cost/Hour:
$271.17
feet/second
Total Fleet Cost/Hour:
$813.50
MATERIAL QUANTITIES
Selected estimating method: Area
Alternate Methods:
Seismic: NA Bank Volume:
NA
BCY NA
Area: 17.86 acres Rip Depth (ft):
2.00
Volume: 57,628 BCY or CCY
Source of estimated quantity: Map 11
HOURLY PRODUCTION
Seismic:
Seismic Velocity:
NA
feet/second
Area:
Average Ripping Depth:
4.05
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:
7,500
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:
2.09
Acres/hr
JOB TIME AND COST
Fleet size: 3 Grader(s)
Total job time:
8.56 Hours
Unit cost: $390.072 Per acre
Total job cost:
$6,967.00
CIRCES Cost Estimating Software