2007-10-12_REVISION - M1977285

• Permit No: M1977285
• IBM Index Class Name: Revision
• Doc Date: 10/12/2007
• Doc Name: Cost summary form
• From: Sunday Mine
• To: DRMS
• Type & Sequence: AM2
• Media Type: D
• Archive: No

CIRCES Cost Estimating Software
Task # : 109 State : Co/oratlo Permit/job# : M-1977-285
Date : 10/12/2007 County :San Miguel Abbreviation :none
User : RCO Site :Sunday Mine Filename : M285-109
Agency or organization name :DRMS
Permit or other job action :Amendment 2
Task description :New vent access roads:
HOURLY EQUIPMENT COST
and
Basic machine :Cat O7R DS Senes II - 7SU Horsepower : 240
Blade type :Semi-Universal
Attachment no. 1 :ROPS Cab Shift basis : 1 perday
Attachment no. 2 :3-shank ripper
Data source : (CRG)
Utilization
Cost Breakdown : Ownership cosUhour : $48.36 NA
Operating cosVhour : $56.19 100
Ripper op. cosUhour : $0.00 0
Operator cosVhour : $32.78 NA
Total unit cost/hour : $137.33 Total fleet cosUhour : $137.33
MATERIAL QUANTITIES
Initial Swell Loose
volume : 2,140 LCY factor : NA volume : 2,14D LCY
Source of estimated volume :6" avg depth x 9634 LF
Source of estimated swell facfor : NA
edition Correction Factors Source
Average push distance : 75 feet
Unadjusted hourly production : 854.1 LCY/hr
Material consistency description
Loose stockpile
Average push gradient : 0.00 % (F
Average site altitude : 7,200 feet
Material weight : 2,650 Ibs/LCY
Weight description
Decomposed rock- 25% Rock, 75% Earth
Operator skiN : 0.75 (avg.)
Material consistency : 1.20 (Cat HB)
Dozing method : 1.00 (gen.)
Visibility : 1.00 (avg.)
Job efficiency : 0.83 (lshift/day
Spoil pile : 0.70 (fnd-mfJ
Push gradient : 1.00 (Cat HB)
Altitude : 1.00 (Cat HB)
Material weight : 0.87 (Cat HB)
Blade type : 1.010 (S/SU/U)
Net correction : 0.45

Adjusted unit production : 387,48 LCYlhr
Adjusted fleet production : 387.48 LCY/hr
JOB TIME AND COST
Fleet size : 1 Dozers) Total job time : 5.52 Hour;
Unit cost : $0.354 /LCY Total job cost : $758