ML20082P305
| ML20082P305 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 04/20/1995 |
| From: | Cruse C BALTIMORE GAS & ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9504260180 | |
| Download: ML20082P305 (2) | |
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CnAntxs H. CncsE Baltimore Gas and Electric Company Plant GeneralManager Calvert Clifs Nuclear Power Plant s
l Calvert Clifs Nuclear Power Plant 1650 Calvert Citfs Parkway Lusby, Maryland 20657 410 586-2200 Ext. 4101 Local 410 260-4101 Baltimore April 20,1995 U. S. Nuclear Regulatory Commission Washington, DC 20555 ATTENTION:
Doc ament Control Desk SUllJECT:
Calveit Cliffs Nuclear Power Plant Unit No. 2; Docket No. 50-318 Request for Approval to Use Code Case N-389 of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code In accordance with the requirement of Nuclear Regulatory Commission Regulatory Guide 1.147 Baltimore Gas and Electric Company (BGE) hereby requests use of Code Case N-389 of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (B&PV) Code for its Calvert Clifts Unit 2 steam generator repair / replacement work.
Code Case N 389, "Altemative Rules for Repairs, Replacemeits, or Modifications,Section XI, Division 1," allows use of Editions and Addenda of ASME Bi1PV Code,Section XI, Division 1, subsequent to those specified in the licensec's insenice inspection program. provided the Edition and Addenda have been acecpted by the enforcement and regulatory authorities having jurisdiction at the plant site. Regulatory Guide 1.147 pernuts use of Code Case N 389 provided the apphcant submits for approval the appropriate edition and addenda of the Code that is to be used for the repair, replacement or modification, in addition to thos: conditions specified in the Code Case, before start of work.
The code of record for BGE's Calvert Clifts Nuclear Power Plant insenice inspection isSection XI,1983 Edition, through Summer 1983 Addenda. Baltimore Gas and Electric Company plans to apply Code Case N-389 to use Section XI 1989 Edition for the purpose of installing remote welded tube plugs in Calvert Cliffs Unit No. 2 steam generator tube sheets. The plugs will replace tubes that will be pulled for failure analysis as part of the Unit 21995 steam generator inservice inspection. The remote welding system uses an automated repeatable process which performs a high quality weld.
Italtimore Gas and Electric Company's request to adopt Scetion XI 1989 Edition is only for the purpose of installing the remote ucided tube plugs. All other ASME Section XI repair and replacement activities will be performed to the requirements of the 1983 Edition, through Summer 1983 Addenda.
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Document Control Desk April 20,1995 Page 2
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Should you have questions regarding this matter, we will be pleased to discuss them with you.
Very truly yours, CilC/GT/bjd
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cc:
D. A. Brune, Esquire J. E. Silberg, Esquire L. B. Marsh, NRC D. G. Mcdonald, Jr., NRC T. T. Martin, NRC P. R. Wilson, NRC R.1. McLean, DNR J.11. Walter, PSC
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