REV99652

• Permit No: M1980246
• IBM Index Class Name: Revision
• Doc Date: 8/4/1995
• Doc Name: RECLAMATION COST SUMMARY FORM
• Type & Sequence: CN1
• Media Type: D
• Archive: No

Colorado Division of Minerals and Geology
ESTIMATING FORM ~ BULLDOZER WORK
Task #: 2b Prep. by: TDG Task File Name: M246~2b
Date: 08/04/95 Permit #:M ~80-246 Mine: Zellitti Pit
Permit Action: Conversion application `
Task Description: Regrade pit floor remaining in 3 acre phased pit area
HOURLY EQUTPMENT COST
Basic Machine: Cat D8N Horsepower: 285
81 ade Type: SEMI~UNIVERSAL --------
Attac hment #1: ROPS Cab Shift Basis: 1/day
Attac hment #2: 3-shank ripper -------
Cost Breakdown:
-------- Utilization X
Ownership cost/hr = (46.40 N/A
Operating 8 overhaul cost/h r- dozer = f51.61 100
ripper = f3.34 50
Operator cast/hr f22.95 N/A
Total egpt. unit cost/hr = f124.36 Total fleet cost/hr : f124.36
MATERIAL QUANTITIES
Initial Swell Loose
Volume: 3.469.0 LCY Factor: N/A Volume: 3.469.0 LCY
Source of quantity take-off: Assume 1 ac.ft./acre over 2.15 acre area
Source of est. swell factor: NA -
HOURLY PRODUCTION
Job Condition Correction Factors
A
h di
50 f -
vg. pus
stance: t. -------- -
---- - Operator.......... 0.75 (avg.)
Unadjusted hourly Mat. consistency.. 0.90 (Cat tbl)
dozer production: 1180 LCY/hr Dozing method..... 1.00 (gen.)
------- Visibility........ 1.00 (avg.)
Material consistency: Job efficiency.... 0.83 (1 sh/day)
Compacted fill or embankment Spoil pile factor. 0.70 (fnd-mf)
------------------------ --- Push gradient..... 1.00 (Cat tbl )
Avg. push gradient: 0.00 X (pos) Altitude deration. 1.00 (Cat tbl)
---- - Material weight... 0.79 (Cat tbl)
Avg. site altitude: 6500 ft. Blade type........ 1.00 (S.SU.U)
Material weight 2900.00 lb/LCY Net Job Correction 0.31
Mat. Descr.: - --
Decomposed rock - SOX Rock. SOX Earth Adjusted Unit Prod.: 366.13 LCY/hr
- Adjusted Fleet Production: 366.73 LCY/hr
JOB COST
Fleet size 1 Dozers) Total Job Time: 9.46 Hours
Unit Cost f0.339 /LCY Total Job Cost: f1.176.37