ML20195E122

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Notifies NRC of First Time Usage of Code Case N-504 & Inclusion Into OCNGS ISI Program,As Accepted by RG 1.147, Inservice Insp Code Case Acceptability
ML20195E122
Person / Time
Site: Oyster Creek
Issue date: 11/10/1998
From: Roche M
GENERAL PUBLIC UTILITIES CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
RTR-REGGD-01.147, RTR-REGGD-1.147 1940-98-20657, NUDOCS 9811180238
Download: ML20195E122 (1)


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GPU Nuclear, Inc.

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U.S. Route #9 South I

NUCLEAR Post Office Box 388 Forkod River, NJ 087310388 Tel 609-971-4000 November 10,1998 1940-98-20657 l

. U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington DC 20555

Dear Sir:

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Subject:

Oyster Creek Nuclear Generating Station j

Docket No. 50-219 Notification of Code Case N-504 Usage Regulatory Guide 1.147, " Inservice Inspection Code Case Acceptability, ASME Section XI Division 1", Rev.11 dated October 1994, specified that ASME Code Case N-504, dated April 30,1992, was acceptable to the NRC staff for weld repairs on Class 1 systems.

During the current 17R refueling outage, a through wall indication was discovered on weld NZ-3-41, in Core Spray System I. The repair to this indication was completed and examined using the guidance of N-504. By this letter, GPU Nuclear, Inc., notifies the USNRC of this first time usage, and inclusion into the Oyster Creek Nuclear Generating Station Inservice Inspection Program.

If any additional information or assistance is required, please contact Mr. John Rogers of my staff at 609.971.4893.

Very truly yours, d>

Michael B. Roche 9811180233 981110 Vice President and Director ADO M 0500 2 l

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Administrator, Region I NRC Project Manager Senior Resident Inspector