L-79-137, Supplements Response to IE Bulletin 79-07.Uses Adlpipe to Perform Seismic Analyses of safety-related Piping Changes & Mods.None of Methods Specified in Bulletin Are Used

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Supplements Response to IE Bulletin 79-07.Uses Adlpipe to Perform Seismic Analyses of safety-related Piping Changes & Mods.None of Methods Specified in Bulletin Are Used
ML19225A053
Person / Time
Site: Saint Lucie, Turkey Point  NextEra Energy icon.png
Issue date: 05/24/1979
From: Robert E. Uhrig
FLORIDA POWER & LIGHT CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
L-79-137, NUDOCS 7907180180
Download: ML19225A053 (2)


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' 9 IIAY 30 p ;. 45 May 24, 1979 L-79-137 Mr. James P. O'Reilly, Director, Region II Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

Re:

RII:JP0 50-250, 50-251, 50-335 IE Bulletin 79-07 The attached information augments Florida Power & Iight Company's earlier responses to the subject Bulletin dated April 25, 1979 and April 26, 1979.

Very truly yours, c}

Robert E. Uhrig Vice President REU:GDW:cf cc:

Robert 'oweistein, Esquire I

7 907180t80

'7 702r 347 263 umciat co

Mr. James P. O'Reilly, Director, Region II Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission ATTACHMENT Action Item (1)

Florida Power & Light Company uses ADL P:PE soption 1.92) to perform seismic analyses of safety related piping plant changes and modifications (PCM's).

This code uses the square root sum of the squares summation of moments for each principal axis for each mode and a square root sum of model moments.

Nane of the methods specified in the subject tulletin are used for seismic analysis of safety related piping.

_ Action Item (2)

Not applicable.

Acti_on Item (3)

ADL PIP 2 has been verified by Arthur D. Little, Inc. (ADL) as described in a memorandum from ADL to NRC dated 4/19/79.

Action Item (4)

Not applicable.

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