DRC-2015-002405 - 0901a0688052ac6f

ENERGYFUELS
Energy Fuels Resources (USA) Inc.
225 Union Blvd. Suite 600
Lakewood, CO, US, 80228
303 974 2140
www.energyruels.com DRC-2015-002405
May 4,2015
VIA PDF AND EXPRESS DELIVERY
Mr. Rusty Lundberg
Division of Radiation Control V;-,
Utah Department of Environmental Quality
195 North 1950 West
P.O. Box 144850
Salt Lake City, UT 84114-4820
Re: Stipulated Consent Order Docket No. UGW12-04, Regarding Energy Fuels Resources (USA) Inc.
May 7, 2012 Corrective Action Plan ("CAP") for Nitrate, White Mesa Uranium Mill,
Dear Mr. Lundberg:
Pursuant to the Division of Radiation Control ("DRC") letter of May [March] 23, 2015, Energy Fuels
Resources (USA) Inc. ("EFRI") is submitting the As-Built drawings for the Phase 2 Ammonium Sulfate
concrete cap and repair work. The attached As-Built drawings in Attachment 1 show the completed repair
work. The design for the additional repair work completed as Phase 2 was approved by DRC letter dated
March 23,2015.
Please contact the undersigned if you have any questions or require any further information.
Yours very truly,
ENERGY FUELS RESOURCES (USA) INC.
Kathy Weinel
Quality Assurance Manager
cc: Harold R. Roberts David E. Turk
Dan Hillsten
Scott Bakken
Attachment ]
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1 A IF 1-4
13-4"
"-4"
29-4"
35'
®
1% GRADE
® ®
EXISTING CONCRETE
FOOTINGS FOR TANK
SUPPORT STRUCTRURE
EXISTING CONCRETE
PAD UNDER
AMMONIUM SULFATE
STORAGE TANKS
®
®
27-6'
PLAN
SEAL
MILL BUILDING
TRIM SIDING
AS REQUIRED
#4 REBAR 24" 0C NEW CONCRETE CAP
2" TYP -ir
SECTION - A
B
\ 6'
2 TYP
®
®
NEW CONCRETE CAP
#4 REBAR 24" 0C
EXISTING CONCRETE PAD
VARIES 4"- 6"
SECTION - B
EXISTING NEW CONCRETE
WATERSTOP
9'-6"
10'
NOTES: A
1. THIS DRAWING IS FOR SURFACE REPAIR OF DETERIORATED CONCRETE UNDER
THE AMMONIUM SULFATE STORAGE AREA.
2. EXISTING CONCRETE WAS CLEANED TO REMOVE LOOSE DEBRIS AND AMMONIUM
SULFATE PRIOR TO NEW CONCRETE PLACEMENT.
3. SURROUNDING AREA DETAILS:
A. NORTH - PULP STORAGE IMPOUND
B. EAST - TRUCK UNLOADING AREA - NEW CONCRETE SURFACE WITH SUMP
C. SOUTH & WEST - MILL BUILDING
4. REBAR MAT IS CONNECTED TO THE EXISTING CONCRETE BY DOWELING INTO
THE EXISTING CONCRETE AND SECURING WITH EPOXY. LOCATIONS ARE
DESIGNATED BY ®. MINIMUM DEPTH 5"
5. NEW CONCRETE PLACED AS A 6" CAP ON THE EXISTING CONCRETE.
ACTUAL THICKNESS MAY VARY DUE TO THE DETERIORATION AND GRADE
OF THE EXISTING CONCRETE. MINIMUM THICKNESS IS NO LESS THAN 5".
6. STANDARD CONCRETE NOTES APPLY. REFERENCE PSE DRAWING CSD001.
SLUMP AND COMPRESSIVE CYLINDER TESTING IS NOT REQUIRED.
7. WATERSTOP IS VOLCLAY WATERSTOP RX-101.
N/A
^^jp Energy Fuels Resources (USA) Inc.
REVISIONS
/29/1E SS
By
pAMM0NIUM SULFATE CONCRETE REPAIR
County: SAN JUAN State: UTAH
Location: WHITE MESA MILL
AMMONIUM SULFATE STORAGE AREA
CONCRETE REPAIR DETAILS
SS | na'R: 3/10/15 | Drafted Bv:ss