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 #: 2a Prep. by: TDG Task File Name: M246.2a
Date: 08/04/95 Permit #:M-80-246 Mine: Zellitti Pit
Permit Action: Conversion application
Task Destri ption: Regrade highwall remaining in 3 acre phased pit area
HOURLY EQUIPMENT COST
Basic Machine: Cat D8N Horsepower: 285
Bl ade Type: SEMI-UNIVERSAL -
Attachment #1: ROPS Cab Shift Basis: 1/day
Attachment #2: 3-shank ripper --
Cost Breakdown:
-------- Utilization X
Ownership tort/hr = f46.40 N/A
Operating 8 overhaul cost/hr- dozer = f51.67 100
-ripper = f3.34 50
Operator cost/hr = f22.95 N/A
Total egpt. unit cost/hr = f124.36 Total fleet cost/hr: f124.36
MATERIAL QUANTITTES
Initial Swell Loose
Volume: 6.523.0 LCY Factor: N/A Volume: 6.523.0 LCY
Source of quantity take-off: Assume 370'L * 50'H, 0.5:1 to 2:1 regrade
Source of est. swell factor: NA -
HOURLY PRODUCTION
Job Condition Correction Factors
Avg. push distance: 75 ft. - ------------ ---
- Operator.......... 0.75 (avg.)
Unadjusted hourly Mat. consistency.. 0.90 (Cat tbl)
dozer production: 957 LCYlhr Oozing mettwd..... 1.00 (gen.)
- --- - Visibility........ 1.00 (avg.)
Material consistency: Job efficiency.... 0.83 (lsh/day)
Compacted fill or embankment Spoil pile factor. 0.80 (fnd-rf)
- h
di 43
1 (C
t tbl
-------- Pus
gra
ent..... . a
)
Avg. push gradient: 20.00 X (neg) 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 0.51
Mat. Descr.:
Decomposed rock - 50X Rock. 50X Earth Adjusted Unit Prod.: 484.78 LCY/hr
Adjusted Fleet Production: 484.78 LCY/hr
JOB COST
Fleet size 1 Dozers) Total Job Time: 13.46 Nours
Unit Lost f0.257 /LLY Total Job Cost: f1 .673.36