2013-04-10_REVISION - C1981019 ‎(4)‎

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 4/10/2013
• Doc Name: Proposed Decision Letter & Form and Cost Estimate
• From: DRMS
• To: Colowyo Coal Company
• Type & Sequence: PR3
• Email Name: JHB
• Email Name: DIH
• Media Type: D
• Archive: No

Demo Worksheet Con' d Task # TTT
MOTOR GRADER WORK
Task description: Rough grade 1,452.25 acres reclaimed area (Table 12)
Site: Colowyo Coal Mine Permit Action: PR3
PROJECT IDENTIFICATION
Task #: 424 State
Date: 11/3/2011 County
User: JHB
Agency or organization name
HOURLY EQUIPMENT COST
Basic Machine: CAT 16M
Ripper Attachment:
Colorado
Moffat
DRMS
Permit /Job #:
C1981019
Shift Basis:
Abbreviation:
None
Filename:
C019 -424
Horsepower:
297
Shift Basis:
1 per day
Data Source:
(CRG)
Utilization %
$63.07 NA
$90.35 100
$0.00
$27.55 NA
Ownership Cost /Hour:
degrees
13.90
Operating Cost /Hour:
2.00
feet
Ripper Operating Cost /Hour:
feet
4.6879
Operator Cost /Hour:
Total Unit Cost /Hour:
$180.96
Total Fleet Cost /Hour:
$361.93
MATERIAL QUANTITIES
Total Area to be graded or ripped: 1,452.25 acres
Source of estimated acreage: Table 12 Exh. 13B -T -29, with 85.11 ac. from Table 5 added in
HOURLY PRODUCTION
Average Grader Speed:
Selected Application:
Selected Blade Angle:
Effective Blade Length:
Width of blade overlap per pass:
Net grading or ripping width per pass:
Unadjusted Hourly Unit Production:
Job Condition Correction Factors
3.25 mph
Heavy blading (0 -6 mph) - 3.25
30
degrees
13.90
feet
2.00
feet
11.90
feet
4.6879
acres /hour
Source
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.90 (1sh /d, fay.)
Net Correction: 0.9000 multiplier
Site Altitude: 7500 feet
CIRCES Cost Estimating Soffivare
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