ML20153H205

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Requests That Committee Review Disagreement Between NRC & NRC Inspector I Yin Over Technical Issues Arising from Licensee Design Control Measures for Small & Large Bore Piping Sys & Advise Commission on Resolution
ML20153H205
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 04/04/1984
From: Palladino N
NRC COMMISSION (OCM)
To: Ebersole J
Advisory Committee on Reactor Safeguards
Shared Package
ML20153H186 List:
References
FOIA-87-444, FOIA-88-A-29 NUDOCS 8809090119
Download: ML20153H205 (1)


Text

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8 't NUCLEAR REGULATORY COMMIM;lON 5  ! WA9HING T ON. D. C. 20S66

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% April 4, 1984 O _,, _,,,i MEMORANDUM FOR: Jesse C. Ebersole, Chairman ACRS FROM: Nunzio J. Palladino .

SUBJECT:

ACRS REVIEW OF DIABLO CANYON ISSUES A disagreement exists between the NRC staff and NRC Inspector Isa Yin over technical issues arising from the Diablo Canyon licensee's design control measures fo. small

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and large bore piping systems at the"plant. These issues are based upon NRC inspections of the plant and related allegations received by the NRC, including those submitted by Mr. Charles Stokes.

The Commission requests that the Committee review this disagreement and advise the Commission on its resolution.

In particular, the Commission requests the Committee's advice on (a) the implications and the significance of the problems associated with design control measures'for small and large bore piping at the plant; and (b) the relation-ship and importance of these problems for low-power and full-power operation.

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The Commissien would like to receive your report, or at least a status report on your review, by April 10, 1984.

u'.. e c.i Commissioner Gilinsky

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. Commissioner Roberts Commissioner Asselstine Commissioner Bernthal EDO

- SECY 8809090119 880012 i LI 4 8 A-29 PDR O

6-37 .

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