ML20154Q242

Forwards Amend 1 to Rev 9 to Inservice Insp Program. Amend 1 Provides Listed Additions & Mods

ML20154Q242
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	06/01/1988
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
Shared Package
ML20154Q247	List: ML20154Q242 ML20154Q249
References
FVY-88-44, NUDOCS 8806060228
Download: ML20154Q242 (2)

Text

. n VERMONT YANKEE NUCLEAR POWER CORPORATION

. RD 5, Box 169, Ferry Road, Brattleboro, VT 05301 88-4 0

V g ENGINEERING OFFICE 1671 WORCESTER ROAD FR AMINGH AM. MASS ACHUSETTS 01701

. T E L EPHONE S 1 T-872-8"C June 1, 1988 U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Attn: Document Control Desk

References:

a) License No. DPR-28 (Docket No. 50-271) b) Letter, VYNPC to USNRC, FVY 87-72, dated 7/1/87 c) Letter, USNRC to VYNPC, NVY 87-189, dated 12/9/87 d) Letter, VYNPC to USNRC, FVY 88-09, dated 2/12/88

Subject:

Inservice Inspection Program, Revision 9, Amendment No. 1 By letter dated February 12, 1988 [ Reference d)], Vermont Yankee providad an initial response to the staff's December 9, 1987 [ Reference c)) request for additional Inservice Inspection (ISI) program information. In accordance with Vermont Yankee's commitment to submit a revised ISI program, Attachment A to this letter provides Amendment No. I to the Vermont Yankee ISI Program, Revisior.

9. Specifically, Amendment No. 1 provides the following additions and modifi-cations.

1.Section XI Exemption Criteria IWC-1220 is no longer invoked for Safete Class 2 inspections and therefore is deleted.

2. ASME Code Case N-408 and its (N-408) exemption criteria are used to re-define Safety Class 2 weld inspection selections and examinations. This code case requires an inspection program requiring volumetric examination of 7.5% of all applicable Safety Class 2 system welds and are provided in new Code Category C-F-2.

3. The Scram Discharge Volume Piping wolds are provided in Safety Class 2, Section C-F-2 of the ISI program as requested in Reference c). These welds were previously listed in Section C-G.

4. The 89.32 item number for Safety Class 2 Main Steam Branch Connection welds are corrected and now appear as item number 89.31 on pages I-69 and I-70.

Additional B9.31 welds are also scheduled for inspection.

5. Additional and revis?d isometric drawings are provided reflecting the addi-tion of Class 2 components.

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VERMONT YANKEE NUCLEAR POWER CORPORATION U.S. Nuclear Regulatory Commission

June 1, 1988 Page 2

6. Inspection summary tables for Class 1 and Class.2 components are provided.

It should be realized that the entire rocirculation piping' system was replaced in 1985, resulting in a substantial reduction in the number of system welds.

7. Relief Requests B-2 and B-6 were removed as stated in Reference d).

8. Relief.Raquests H-7 and H-11 are deleted as directed by Reference c).

Attachment 8 provides the-current status of ISI relief requests. In addi-

. tion,.Reslief Requests H-9 and H-13 are resubmitted with additional sup-porting information.

9. Additional hanger inspections are identified and scheduled for Code Category F-A, F-B, and F-C. _These additions were necessary as a result of adding certain Safety Class 2 systems in Code Category C-F-2.

i We trust that the information contained in this submittal is satisfactory; should you have any questions or require additional information, p~ lease contact us. '

Very truly yours, VERMONT YANKEE NUCLEAll POWER CORPORATION

&-. 9-Warren'P. urphy Vice President and

!- Manager of Operations

/dm cc: V. Rooney USNRC Regdonal Administrator, Region I USNRC Resident Inspector, VYNPC y 9 - , 4v, *

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