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2016-02-22_REVISION - C1981014 (3)
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2016-02-22_REVISION - C1981014 (3)
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Entry Properties
Last modified
10/12/2020 11:28:00 PM
Creation date
2/23/2016 9:57:10 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981014
IBM Index Class Name
Revision
Doc Date
2/22/2016
Doc Name
Revised Adequacy Response Letter
From
Energy Fuels Coal, Inc
To
DRMS
Type & Sequence
SL3
Email Name
RDZ
JRS
Media Type
D
Archive
No
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Rob Zuber <br /> February 22, 2016 <br /> Page 2 <br /> The location of the pipe was determined to be more than 150 feet away from the closest Southfield <br /> mine portal and mine workings. It is physically impossible that the pipe was connected to to the mine <br /> workings. <br /> The above information, along with the fact that the pipe was only a piece of scrap metal in the <br /> backfilled facilities area, serves as EFCI's inspection report to the Division discussed in the adequacy <br /> question. <br /> 2. The culvert that acts as an inlet to Pond 5 and has holes in the metal at the upstream end <br /> needs to be patched to prevent further deterioration and undercutting/erosion. <br /> RESPONSE: <br /> EFCI proposed the use of concrete fill as a long-term repair of the holes and associated undercutting in <br /> the culvert at Pond 5. The Division subsequently approved the repair method. EFCI proceeded with <br /> repairs on February 19, and completed the work on February 22. Photos showing the progression of the <br /> work are as follows: <br /> 'n <br /> 4� <br /> OY�O�JdY�O�C <br /> 1 Al <br /> The holes and associated undercutting were found to be along a distance of approx. 8 feet starting at <br /> the inlet of the culvert. EFCI removed plant material and loose dirt from the undercut area, then placed <br /> clean gravel to provide a base for the concrete. The space left for concrete was between 2 and 4 inches <br /> thick. EFCI then placed 3/8 inch rebar in the space to add strength to the concrete; an optional step <br /> when using fiber reinforced concrete. Finally, the fiber reinforced concrete was poured, and the <br /> finished surface left flush with the inside diameter of the culvert. <br />
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