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 #: la Prep. by: TDG Task File Name: M246-1a
Date: 08/04/95 Permit #:M-80-246 Mine: Zellitti Pit
Permit Action: Conversion application
Task Description: Regrade highwall remaining in orig. 9.5 acre site
HOURLY EQUIPMENT COST
Basic Machine: Cat D8N Horsepower: 285
Blade Type: SEMI-UNIVERSAL --------
Attachment #1: ROPS Cab Shift Basis: 1/day
Attachment #2: 3-shank ripper ---------
Cost Breakdown:
------ Utilization X
Ownership cost/hr = f46.40 N/A
Operating 8 overhaul cost/hr- dozer = 551.67 100
-ripper = 53.34 50
Operator cost/hr = 522.95 N/A
Total egp t. unit cost/hr = 5124.36 Total fleet cost/hr : 5124.36
MATERIAL QUANTITIES
Initial Swell Loose
Volume: 11.415.0 L CY Factor: N/A Volume: 11.415.0 LCY
Source of quantity ta ke-off: Assume 650'L * 50'H. 0.5:1 to 2:1 regrade
Source of est. swell factor: NA
HOURLY PRODUCTION
Job Condition Correction Factors
A
h di 75 ft -
vg. pus
stance: . ----- --
----
- ---- Operator.......... 0.75 (avg.)
Unadjusted hourly Mat. consistency.. 0.90 (Cat tbl)
dozer production: 957 LCYfhr Dozing method..... 1.00 (gen.)
- ----- Visibility........ 1.00 (avg.)
Material consistency: Job efficiency.... 0.83 (lsh/day)
Compacted fill or embankment Spoil pile factor. 0.80 (fnd-rf)
----
--- -- h
di
- ---- Pus
gra
ent..... 1.43 (Cat col)
Avg. push gradient: 20.00 X (neg) Altitude deration. 1.00 (Cat tbl)
Material weight... 0.19 (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: 23.55 Hours
Unit Cost 50.257 /LCY Total Job Cost: 52.928.35