ML20197F164

Approves Proposed Mod to Reactor Bldg Penetration R-536, Contingent Upon Submittal of Related Procedures Subj to Tech Spec 6.8.2.Consequences of Mod Fall within Bounds of Previous NRC Safety Evaluation

ML20197F164
Person / Time
Site:	Crane
Issue date:	05/07/1986
From:	Travers W Office of Nuclear Reactor Regulation
To:	Standerfer F GENERAL PUBLIC UTILITIES CORP.
References
CON-NRC-TMI-86-047, CON-NRC-TMI-86-47 NUDOCS 8605150458
Download: ML20197F164 (1)

Text

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DN 50-320 NRC PDR Local PDR DCS TMI Site r/f Hay 7, 1936 TMI HQ r/f NRC/THI 86-047 WDTravers HTMasnik RCook i

Docket No. 50-320 Ccowgill LChandler Mr. F. R. Standerfer I&E

,f Vice President / Director, THI-2 ACRS GPU Nuclear Corporation M-town Office P. O. Box 480 Service List

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Hiddletown, PA 17057

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Dear Mr. Standerfer:

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Subject:

Safety Evaluation for the Modification of Reactor Building

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Penetration R-536

References:

(a) GPUN letter 4410-86-L-0034, F. R. Standerfer to W. D.

l Travers, Safety Evaluation for the Modification of Reactor

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l Building Penetration R-536, dated March 18, 1986 (b) NRC letter B. J. Snyder to F. R. Standerfer, regarding l

exemption from 10CFRSO, Appendix A Criteria 2, 50, and 51, dated November 5,1984 1

Reference (a) fonvarded a safety evaluation for the edification of reactor building penetration R-536 to the NRC staff for approval. The staff has found that the potentiel consequences of the modification fall within the bounds of I

the previous staff evaluation documer.ted in reference (b. The use of the 9/16" diameter high pressure tubing (85,000 psig rating))vs. piping built to l?.

ANSI-8 31.1 does not alter the results of the evaluation.

<e, We conclude that the proposed modification does not pose a significant risk to the health and safety of the public and does not constitute an unreviewed safety question. We therefore approve your proposed modification contingent upon submittal of related procedures subject to Technical Specifications

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6.8.2.

Sincerely, ORIGINAL SIGNED BY:

l. a Wittiam D. Travers William D. Travers Director TMI-2 Cleanup Project Directorate cc:

T.' F. Deamitt R. E. Rogan S. Levin W. H. Linton J. J. Byrne A. W. Miller 4

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