2012-01-25_REVISION - C2006085

• Permit No: C2006085
• IBM Index Class Name: Revision
• Doc Date: 1/25/2012
• Doc Name: Bond Liability Recalculation ‎(Emailed)‎
• From: Jim Stark
• To: Janet Binns
• Type & Sequence: TR1
• Media Type: d
• Archive: No

MOTOR GRADER WORK
Task description: Finish Grade Disturbed Areas
Permit Action: 2012 Bond
Site: Northfield Mine Recalculation Pennit /Job #: C2006085
PROJECT IDENTIFICATION
Task #: 030
Date: 1/25/2012
User: JRS
State: Colorado
Countv: Fremont
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: CAT 12M
Ripper Attachment:
Cost Breakdown
Abbreviation: None
Filename: C085 -030
Horsepower: 158
Shift Basis: 1 per day
Data Source: (CRG)
Total Fleet Cost/Hour: $92.94
MATERIAL QUANTITIES
Total Area to be graded or ripped: 21.55 acres
Source of estimated acreage: Page 2.05.4 -7
HOURLY PRODUCTION
Average Grader Speed:
1.50
mph
Utilization %
Ownership Cost/Hour:
$23.48
30
NA
Operating Cost/Hour:
$44.99
feet
100
Ripper Operating Cost/Hour:
$0.00
Net grading or ripping width per pass:
8.40
Operator Cost/Hour:
$24.47
1.5273
NA
Total Unit Cost/Hour:
$92.94
Altitude: 5400 feet
Source
Total Fleet Cost/Hour: $92.94
MATERIAL QUANTITIES
Total Area to be graded or ripped: 21.55 acres
Source of estimated acreage: Page 2.05.4 -7
HOURLY PRODUCTION
Average Grader Speed:
1.50
mph
Selected Application:
Finish grading (0 -2.5 mph) - 1.5
Selected Blade Angle:
30
degrees
Effective Blade Length:
10.40
feet
Width of blade overlap per pass:
2.00
feet
Net grading or ripping width per pass:
8.40
feet
Unadjusted Hourlv Unit Production:
1.5273
acres /hour
Job Condition Correction Factors
Site
Altitude: 5400 feet
Source
Altitude Adj _ 1.00 (CAT HB)
Job Efficiency: 090 (1sh/d, fay.)
Net Correction: 0.9000 multiplier
Adjusted Hourly Unit Production:
1.3745
acres/Hour
Adjusted Hourly Fleet Production:
1.3745
acres/Hour
JOB TIME AND COST
Fleet size: 1 Grader(s)
Total job time:
15.68 Hours
Unit cost: $67.62 per acre
Total job cost:
$1,457.00
CIRCES Cost Estimating Softivare