1999-12-15_GENERAL DOCUMENTS - M1999051

• Permit No: M1999051
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 12/15/1999
• Doc Name: Memos and Letters
• From: DRMS
• To: Various
• Media Type: D
• Archive: No

• •
Colorado Division of Minerals and Geology
Task #: 10 Prep. by ACS Task File Name: M051 -10
Date: 4.249.6747 Permit #:M -99 -051 Mine: Rock School Lease Project
Permit Action: New application.
Task Description: Grade process plant site
HOURLY EQUIPMENT COST
Cost Breakdown:
Utilization %
Ownership cost /hr = $46.62 N/A
Operating & overhaul cost /hr- dozer = $51.93 100
- ripper = $1.58 20
Operator cost /hr = $22.95 N/A
MATERIAL QUANTITIES
Initial
Volume:
JOB COST
Total eqpt. unit cost /hr = $123.07 Total fleet cost /hr: $123.07
26,000.0 CCY
Source of quantity take -off: Exhibit L, section L -1
ESTIMATING FORM - BULLDOZER WORK
Basic Machine: Cat D8N Horsepower: ERR
Blade Type: UNIVERSAL •
Attachment #1: ROPS Cab Shift Basis: 1 /day
Attachment #2: 1 -shank ripper
Source of est. swell factor: Spreadsheet swell table - general fill
HOURLY PRODUCTION
Avg. push distance:
180 ft.
Swell
Factor:
Fleet size : 1 Dozer(s)
1.125
Loose
Volume:
29,250.0 LCY
Job Condition Correction Factors
Operator 0.75 (avg.)
Unadjusted hourly Mat. consistency.. : . 0.90 (Cat tbl)
dozer production: 606 LCY /hr Dozing method 1.00 (gen.)
Visibility 1.00 (avg.)
Material consistency: Job efficiency.... : 0.83 (lsh /day)
Compacted fill or embankment Spoil pile factor. : 0.70 (fnd -mf)
Push gradient 0.95 (Cat tbl)
Avg. push gradient: 3.00 % (pos) Altitude deration. : 1.00 (Cat tbl)
Material weight... : 1.00 (Cat tbl)
Avg. site altitude: 6500 ft. Blade type 1.00 (S,SU,U)
Material weight 2300.00 lb /LCY Net Job Correction : 0.37
Mat. Descr.:
GENERAL FILL Adjusted Unit Prod.: 225.45 LCY /hr
Adjusted Fleet Production: 225.45 LCY /hr
Total Job Time: 129.74 Hours
Unit Cost $0.546 /LCY Total Job Cost: $15,967.53