ML20154H059
| ML20154H059 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 05/12/1988 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML20154H055 | List: |
| References | |
| 50-413-88-07, 50-413-88-7, 50-414-88-07, 50-414-88-7, NUDOCS 8805250212 | |
| Download: ML20154H059 (1) | |
See also: IR 05000413/1988007
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ENCLOSURE
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50-414/88-07-04
Violation, The M Rel f ance fan motors used
inside containment on the Hydrogen Skimer
fans did not have the breather-drains
installed.- This-is not in accordance with
the tested configuration and the licensee
did not have an adequate evaluation in the
file, Paragraph 6.1.(1).
50-413,414/88-07-05
Violation, Licensee's EQ files did not
support qualification for the Minco type
RTDs in that the RTDs and associated
junction boxes were located below the flood
level inside containment.
The file did not
address submergence at the time of the
inspection, Paragraph 6.1.(3).
50-414/88-07-06
Violation, The cover gasket on a Namco
Limit switch (tag no. 2NCLLO251) was missing
at one end.
This configuration is not
considered qualified, Paragraph 6.1.(18).
50-413, 414/88-07-07
Violation, Limitorque valves on Unit ? were
observed to have their T-drains painted
over.
Two out of the three limitorques
inspected exhibited some kind of obstruction.
A walkdown by the licensee identified further
examples of T-drains obstructed or their
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ability to properly drain was uncertain.
In
addition, some limitorque operators located
inside containment on Units 1 and 2 were
discovered without any T-drains installed,
Paragraph 6.i.(15).
50-414/88-07-08
Unresolved Item, T-drains on limitorque
valve No. 2NI-1228 were not installed at the
low point.
This configuration does not
appear to be qualified, Paragraph 6.1.(15).
3.
Licensee Action on Previous Enforcement Matters
(Closed) Violation 50-413/86-05-05, Use of Unqualified Limitorque Motor
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Operated Valves Inside Unit 1 Containment
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The inspectors followed up on a previously identified Violation
413/86-05-05 which identified the lack of proper documentation for the
environmental qualification of IVX1A and IVX28, hydrogen skimmer fan
isolation valves.
The initial concern was that these motors operated
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8805250212 880512
ADOCK 0500
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