ML20249B791

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Forwards Rev 0 to NMP2-IST-005, IST Program Plan & Rev 1 to NMP2-PT-008, Ispt Program Plan, for Second ten-year Interval Which Began on 980405.Repts Discussed
ML20249B791
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 06/16/1998
From: Abbott R
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17059C089 List:
References
NMP2L-1791, NUDOCS 9806240215
Download: ML20249B791 (2)


Text

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'NiagaraMohawk Richard B. Abbott Vice President NxlearEngineering o ue: pisjs e isi2 June 16,1998 ru-915) M9-4417 NMP2L 1791 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 RE:

Nine Mile Point Unit 2 Docket No. 50-410 NPF-69

Subject:

ash!E Code Section XIInsenice Testing (IST) and Inservice Pressure Test (ISPT) Program Plansfor the Second Ten-YearInterval Gentlemen:

E Enclosures 1 and 2 to this letter contain the American Society ofMechanical Code Section XI Inservice Testing (IST) and Inservice Pressure Testing (ISPT) Pro for the second ten-year interval for Nine Mile Point Unit 2 (NMP2). The second t began on April 5,1998.

The IST Program Plan (NMP2-IST-005, Revision 0) includes one general valve no pump reliefrequests. The general valve reliefrequest is in Section III of the Program The ISPT Program Plan (NMP2-PT-008, Revision 1) includes three general relief two specific relief requests, which are in Section 10 of the Program Plan. Both Progra have been prepared in accordance with the ASME Boiler and Pressure Vessel Co 1989 edition, as required by 10 CFR 50.55a(f) and (g).

As a point of clarification, Niagara Mohawk Power Corporation (NMPC) intends to con using ASME Code Cases N-416-1 and N-498-1 for ISPT during the second ten-ye the first ten-year interval. By letters dated October 18,1994, and January 13,1995 authorized the use ofCode Cases N-416-1 and N-498-1 at NMP2 u the NRC Cases are published in a future revision ofRegulatory Guide (RG) 1.147. After the C are published, the NRC letters require NMPC to follow all of the Code Case provisions limitations issued in RG 1.147, if any. To date, neither Code Case has received fo endorsement even though both are listed as acceptable Code Cases in draft Revisio 1.147. Based on the aforementioned NRC authorizations, new requests for approv submitted for implementing the two Code Cases during the second ten-year interval.

Qd-} j To assist in your review, Enclosure 3 contains a set of ISPT diagrams. These diagr the piping configurations and ASME class boundaries in effect at the start of t interval.

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Richard B. Abbott vece pressent Nuclear Engineering omee: (31 sis 48 iet2 June 16,1998 Fax: (315) 349-4417 NMP2L 1791 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 RE:

Nine Mile Point Unit 2 l'

Docket No. 50-410 NPF-69 Suffect:

ASME Code Section XIInsenice Testing (IST) and Insenice Pressure Testing (ISPT) Progmm Plansfor the Second Ten-YearIntenal Gentlemen:

Enclosures I and 2 to this letter contain the American Society ofMechanical Engineers (AShE)

Code Section XI Inservice Testing (IST) and Inservice Pressure Testing (ISPT) Program Plans for the second ten-year interval for Nine Mile Point Unit 2 (NMP2). The second ten-year interval began on April 5,1998.

The IST Program Plan (NMP2-IST-005, Revision 0) includes one general valve relief request and no pump reliefrequests. The general valve reliefrequest is in Section III of the Program Plan.

The ISPT Program Plan (NMP2-PT-008, Revision 1) includes three general relief requests and two specific relief requests, which are in Section 10 of the Program Plan. Both Program Plans have been prepared in accordance with the ASME Boiler and Pressure Vessel Code,Section XI, 1989 edition, as required by 10 CFR 50.55a(f) and (g).

As a point of clarification, Niagara Mohawk Power Corporation (NMPC) intends to continue using ASME Code Cases N-416-1 and N-498-1 for ISPT during the second ten-year interval as in the first ten-year interval. By letters dated October 18,1994, and January 13,1995, the NRC authorized the use of Code Cases N-416-1 and N-498-1 at NMP2 until such time as these Code Cases are published in a future revision ofRegulatory Guide (RG) 1.147. After the Code Cases are published, the NRC letters require NMPC to follow all of the Code Case provisions with l

limitations issued in RG 1.147, if any. To date, neither Code Case has received formal RG 1.147 l

endorsement even though both are listed as acceptable Code Cases in draft Revision 12 to RG

~'

1.147. Based on the aforementioned NRC authorizations, new requests for approval need not be submitted for implementing the two Code Cases during the second ten-year interval.

f To assist in your review, Enclosure 3 contains a set of ISPT diagrams. These diagrams reflect the piping configurations and ASME class boundaries in effect at the start of the second ten-year interval.

9906240215 990616 PDR ADOCK 05000410 93 k k a m C v W { h,l ^

www.nimo.com

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. Page 2 The Inservice Inspection Program Plan and the Component Support Program Plan for the second '

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i ten-year interval will be submitted to you by July 31,1998.

Ifyou have any questions concerning this letter, please let me know.-

Very truly yours, hl Richard B. Abbott Vice President Nuclear Engineering RBA/AA/ kap Enclosures xc:

Mr. H. J. Miller, Regional Administrator, Region I Mr, S. S. Bajwa, Director, Project Directorate,1-1, NRR (w/o Enclosures)

' Mr. B. S. Norris, Senior Resident Inspector Mr. D. S. Hood, Senior Project Manager, NRR (3 copies)

Records Management

. (w/o ISPT Diagrams) l

A s

PLEASE NOTE THAT THIS IS PACKAGE 1 OF 2.

PACKAGE 2 CONSISTS OF 90 DRAWINGS AND IS BEING SENT UNDER SEPARATE COVER.

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