2007-11-15_PERMIT FILE - M2007044

• Permit No: M2007044
• IBM Index Class Name: PERMIT FILE
• Doc Date: 11/15/2007
• Doc Name: Preliminary adequacy review
• From: DRMS
• To: Energy Fuels Resources Corp.
• Media Type: D
• Archive: No

STATE OF COLORADO
DlyiSl©N OF RECLAMATION, MINING AND SAFETY
Devartment of fVatura! Resources
t 313 Sh4>rrrtan St., Room 21 S
Dt:nver, Cotc~rado II02t)3
Phone.: (3Q3) $lib-3~Eii
FAX: i3Q3) 832-87t)6
DATE: November 14, 2007
TO: Russ Means
r j ,~°
FROM: Allen Sorenson ~.~' ~„~`~ ,
RE: Bulkhead Costs, :Energy Fuels Resources Corporation,
~r'Vhirlwind .Mine, File No. M-2007-044
CO LO RAll O
D I V f. S t U N v t
RECLAMATION
MiNI.NG
~~
SA.F ETY
8iil Ritter, Ir.
Governor
tiareis D. Shcrmatt
Executive DircK~tcr
Ronald W. (rattan}
DiviSiun Director
?vaturai Resourcca Trustee
Labor Rates and Various Adiustment Factors
Em to ees lncludin Overhead and Profit - RS Means 2007 Buildin. Construction Cost Data
Laborer $41.65
Equipment Operator (light} $53.45
Carpenter $54.30
Cement Finisher $49.20
Welder $69.40
Ad'ustment Factors: 1996 Tern Tunnel Bulkhead Costs to 2007 Costs
Note: one foot added to Whirlwind Mine workings dimensions to account for notching ofbulkheads
Decline bulkheads perimeter area (10'+10'+13'+13'}i.6' = 73.6 sq. ft. each
Pack Rat bulkhead perimeter area (10'+10'+I3'+13')2.8' = 128.8 sq. ft.
Terry Tunnel bulkhead perimeter area (l l'+11'+11'+l 1')8' = 352 sq. ft.
Decline bulkheads reduction factor: 73.6!352 = 0.21
Pack Rat bulkhead reduction factor: 128.8/352 = 4.37
:Decline and Pack Rat bulkheads perimeter length 10'+10'+13'+13' = 46 ft. each
Terry Tunnel bulkhead perimeter length 11'+l I'+11'+l I' = 44 ft.
Decline and .Pack Rat bulkheads increase factor: 4G /44 = 1.OS
Decline and :Pack Rat bulkheads cross sectional area 10'x 13' --= 130 sq. ft. each
`.ferry Tunnel bulkhead cross sectional area 1 l.'~11' = 121 sq. ft.
Decline and Pack .Rat bulkheads increase factor: 13{)1121 -= 1..f17
Decline bulkheads vol.urne: 7.7 ~ ct. yd. each.
l~aek :Rat bulkhead volutr~te: I3.S cu. yd.
'f`erry "1`unnel. bulkhead volume (1 l.'~ 1.1'x8');27 cu. ft.;fcu. yd.:~: 35.9 cu.. yd.
Decline bulkheads reduction factor: 7.7135.9 -- (i.2I
Pack Rat bulkhead reduction factor: i 3.5135.9= 0.38
19961aborer $1.6.39/hr. + 35% benefzts == $22.13i'hr.
2007 laborer $41.65~'hr.
labor increase factor ~: 41.C-,5r`22.1.3 -.::1.88
.----_-_~-------_-- ------~' _~____.____ Qificc: of
--. t)fiic:e of Active and !nac-rive hhines
t)t.ntier C;rand )unction Durango
'tiAined l,anr Rer!a.matior.