REV101415

• Permit No: M1980143
• IBM Index Class Name: Revision
• Doc Date: 11/29/1995
• Doc Name: TEXAS CREEK GRAVEL PIT M-80-143 TR APPLICATION
• From: DMG
• To: NEILS EXCAVATION
• Type & Sequence: TR2
• Media Type: D
• Archive: No

Colorado Division of Minerals and Geology
ESTIMATING FORM - BULLDOZER WORK
Task #: 1 Prep. by: SSS cask File Name: MI43-1
Date: 09/15/95 Permit #:M-80.143 Mine: Texas Creek Gravel Pit
Permit Action: Recalculated Bond for Technical Revision No. 2-
Task Description: Regrade permit area
HOURLY EQUIPMENT COST
Basic Machine: Cat DBN Horsepower: 285
Blade Type: SEMI-UNIVERSAL -------
Attachment #1: ROPS Lab Shift Basis: 1/day
Attachment #2: 3-shank ripper -----
Cost Breakdown:
- --- Utilization X
Ownership cost/hr (46.40 N/A
Operating 8 overhau l cost/hr- dozer = f51.61 100
-ripper = f0.67 10
Operator cost/hr f22.95 N/A
Total egpt. unit cost/hr = f121.69 Total fleet cost/hr : f121. 69
MATERIAL QUANTITIES
Initial Swell Loose
Volume: 6,453.0 LCY Factor: N/A Volume: 6.453.0 LCY
Source of quantity take-off: Assume 4 ac. regraded P 1 ac. ft./ac
Source of est. swell factor: NA
HOURLY PRODUCTION
Job Condition Correction Factors
h di f - --
Avg. pus
stance: t.
50 ----- --
--- Operator.......... 0.75 (avg.)
Unadjusted hourly Mat. consistency.. 0.90 (Cat tbl)
dozer production: 1180 LCY/hr Dozing method..... 1.00 (gen.)
-------- Visi bilitY........ ~ 1.00 (avg.)
Material consistency : Jab efficiency.... 0.83 (lsh/day)
Compacted fill or embankment Spoil pile factor. 0.80 (fnd-rf)
------------- ----------- Push gradient..... 1.00 (Cat tbl )
Avg. push gradient: 0.00 X (pos) Altitude deration. 1.00 (Cat tbl)
Material weight... 1.00 (Cat tbl)
Avg. site altitude: 7300 ft. Blade type........ 1.00 (S,SU,U)
Material weight 2300.00 lb/LCY Net Job Correction 0.45
Mat. Descr.:
GENERAL FILL Adjusted Unit Prod.: 528.46 LLY/hr
Adjusted Fleet Production: 528.46 LCY/hr
JOB COST
Fleet size 1 Dozers) Total Job Tice: 12.21 Hours
Untt Cost f0.230 /LCY Total Job Cost: f1,485.94