2008-02-19_PERMIT FILE - C1981047

• Permit No: C1981047
• IBM Index Class Name: Permit File
• Doc Date: 2/19/2008
• Section_Exhibit Name: Reclamation Cost Estimate RN5
• Media Type: D
• Archive: No

CIRCES Cost Estimatinn Software
BULLDOZER WORK
PROJECT IDENTIFICATION
Task # : 005 State :Colorado Permifrob# : C-1981-047
Date : 09/13/7007 County :Delta Abbreviation :none
User : JRS Site :Blue Ribbon Mine Filename : C047-005
Agency or organization name :Colorado Division Of Reclamation, Mining And Safety
Permit or other job action : Permit Renewal 05
Task description : Bacld'ill and Regrade Sediment Pond #4

HOURLY EQUIPMENT COST
Basic machine :Cat D8R Series 11 - 8SU (200; Horsepower : 310
Blade type :Semi-Universal
Attachment no. 1 : ROPS Cab Shift basis : 1 per day
Attachment no. 2 :3-shank ripper
Data source : (CRG)
Utilization
Cost Breakdown : Ownership cost/hour : $58.24 NA
Operating cost/hour : $73.75 100
Ripper op. cost/hour : $0.00 0
Operator cost/hour : $32.78 NA
Total unit cost/hour : $164.77 Total fleet cosUhour : $164.77

MATERIAL QUANTITIES ;:;
<.;:
Initial Swell Loose
volume : 370 ~ CCY factor : 1.125 volume : 416 LCY

Source of estimated volume :1990 Reclamation Cost Estimate
Source of estimated swell factor :CAT Handbook
HOURLY PRODUCTION Job Condition Correction Factors Source
Operator skill : 0.75 (avg.)
Average push distance : 100 feet Material consistency : 0.90 (Cat HB)
Unadjusted hourly production : 852.6 LCY/hr Dozing method : 1.00 (gen.)
Visibility : 1.00 (avg.)
Material consistency description : Job efficiency : 0.83 (lshifUday)
Compacted fill or embankment Spoit pile : 0.80 (fnd-rt)
Push gradient : _ _1.00 (Cat HB)
Average push gradient : _0.00_ _% (pos)
~ Altitude : 1.00 (Cat HB)
_
Average site altitude :_ ___ _
_6,400 feet 1
- _ _
Material weight : _
_
0.87 ! (Cat Ht3)
__
Blade type : 7.00 _ -_-~ (S/SURI)
Material weight :_ 2,650 Ibs/LCY Net correction : 0.39
Weight description : _
- -
Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : 331.54 LCY/hr
Adjusted fleet production : 331.54 LCY/hr
JOB TIME AND COST
Fleet size : 1 Dozers) Total job time : 1.26 Hours
Unit cost : $0.497 /LCY Total job cost : $207