ML20154H059

Corrected Page 3 of Insp Repts 50-413/88-07 & 50-414/88-07

ML20154H059
Person / Time
Site:	Catawba
Issue date:	05/12/1988
From:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
Shared Package
ML20154H055	List: ML20154H051 ML20154H059
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

Text

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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

,

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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