PERMFILE113898

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 3/20/2006
• Section_Exhibit Name: Exhibit 28 Bond Calculations ‎(TR48)‎
• Media Type: D
• Archive: Yes

CIRCES Cost Estimating Software
I•
Task # : 022 State :Colorado Permitlob # : G1981-012
Date : 02/082005 County :Las Animas Abbreviation : none
User : JRS Site :New Elk Mine Filename : C012-022

Agency or organiza5on name :Colorado Division Of Minerals And Geology
Permit or other job action :2005 Bond Recalculation
Task description :Rip Access Roads Prior to Regrading
HOURLY EQUIPMENT COST `
Basic machine :Cat D9R - 9SU Horsepower : 405
Blade type :Semi-Universal
Attachment no. 1 :BOPS Cab Shift basis : 1 perday
Attachment no. 2 : (shank ripper
Data source : (CRG)
Utilization °h
Cost Breakdown : Ownership cesfthour : $51.70 NA
Dozer operating cosUhour : $93.54 100
Ripper operating cosUhour : $11.26 100
Operator cesVhour : $31.76 NA
Total unit cosUhour : $188.26 Total fleet cost/trour : $564.78
MATERIAL QUANTITIES
• Selected estimating method . Area
Alternate methods -
Seismic : NA NA Load factor : NA Bank volume : NA BCY
Area : 2.63 acres Rip depth (ft) : 2.00 Volume : 8,486 BCY or CCY
Source of estimated quantity :Map 11
Source of estimated load factor : NA
HOURLY PRODUCTION
Alternate methods - ab Condition Correction Factors -
Seismic : Seismic velocity : NA feeVsecond Unadjusted production
Unadjusted production : NA cu. yds.mour per selected method : 4,338.16 cu. yds./hour

Area : Avg, ripping depth : 4.05 feeVpass Site altitude : 7,500 feet
Average ripping width : 6.08 feeVpass Altitude adjustment : 1.00 (Cat HB)
Average ripping length : 200.00 feeVpass Job e(ficienq factor : 0.83 (1 shiR/day)
Average dozer speed : 88.00 feeUminute Net job correction : 0.83 multiplier
Average maneuver time : 0.25 minutestpass
Production per unit area : 0.664 acresMour Adjusted unit production : 3,600.67 cu. yds.lhour
Unadjusted production : 4,338.16 w. ydsJhour Adjusted fleet production : 10,802.02 cu. yds./hour