ML19343D114

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Requests Delay for Inclusion of Surveillance Requirements for Snubbers Into Tech Specs Until Inclusion of OM-4 Std Into Section XI of ASME Boiler & Pressure Vessel Code.Unit 1 Snubber Insp Indicated No Generic Defects
ML19343D114
Person / Time
Site: Arkansas Nuclear  Entergy icon.png
Issue date: 04/01/1981
From: Trimble D
ARKANSAS POWER & LIGHT CO.
To: Eisenhut D
Office of Nuclear Reactor Regulation
References
GR-0481-01, GR-481-1, NUDOCS 8104090473
Download: ML19343D114 (2)


Text

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ARKANSAS POWER & LIGHT COMPANY POST OFFICE BOX 551 LITTLE ROCK, ARKANSAS 72203 [50U 371-4000 April 1, 1981 6'Q L gh.cQ s

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GR-0481-01 c

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\\g 3 Mr. Darrell G. Eisenhut, Director 4)

Division of Licensing f

Office of Nuclear Reactor Regulation s

U. S. fluclear Regulatory Commission Washington, D. C.

20555

SUBJECT:

Arkansas Nuclear One-Unit 1 & 2 Docket No. 50-313 and 50-368 License No. DPR-51 and NPF-6 Technical Specification Re'.i ion r

for Snubber Surveillance Response (File:

1510)

Gentlemen:

Your letter of November 20, 1980 requested that AP&L revise our Technical Specifications to include the requirements of Revision 1 of the Inservice Surveillance Requirements for snubbers under the Standard Technical Spec-ifications. On March 3,1981, we received word that the ASME Conmittee on Operations and Maintenance (0&M) is developing a consensus standard for in-service testing of nuclear plant snubbers.

This standard OM-4 is intended to replace the current requirements for snubber testing that are now included in Section XI of the ASME Boiler and Pressure Vessel Code. The standard was scheduled for distribution and balloting by the full 0&M Committee in mid-March.

Because of the recent information listed above AP&L proposes to wait for the inclusion of the OM-4 standard into Section XI and reference that document as appropriate in our Technical Specifications.

This will avoid putting more detail than is prudent in our Technical Specifications and will be more generic for NRC review than marking up the NRC proposed Standard Technical Specifications (STS) to match our ANO-1 plant specific document (not STS format).

AP&L has recently completed a 100% inspection of the ANO-1 safety related mechanical snubbers and will shortly begin a 100% inspection of ANO-2 safety related mechanical snubbers.

The mechanical snubber inspections

@104090 G MEMBER M:OOLE SCL/TH UTILITIES SYSTEM

o on ANO-1 indicated that no generic type defects were apparent. AP&L feels that the 100% inspections coupled with the ANO-1 results adequately resolves any concern regarding the delay in awaiting the ASME Section XI revision before mechanical snubber inspections are included in our Tech-nical Specifications.

Very truly yours,

. Dude.9Cl4 David C. Trimble Licensing, Manager DCT:LY:kb ID%

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