ML19209A396

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Forwards Suppl to IE Bulletin 79-14, Seismic Analysis for As-Built Safety-Related Piping Sys. Action Required
ML19209A396
Person / Time
Site: Farley  
Issue date: 08/15/1979
From: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To: Clayton F
ALABAMA POWER CO.
References
NUDOCS 7910030786
Download: ML19209A396 (2)


Text

f UNITED STATES o,

E? ' J/

'n NUCLEAR REGULATORY COMMISSION 3

"- '// E REGION 11

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101 MARIETT A ST., N.W., SUITE 3100 o,

ATLANTA, GEORGIA 30303 j'

0 AUG 151979 In Reply Refer To:

RII:JP0 50-348 50-364 Alabama Power Company Attn:

F. L. Clayton, Jr.

Executive Vice President Post Office Box 2641 Birmingham, Alabama 35291 Gentlemen:

The enclosed supplement to Bulletin 79-14 is forwarded to you to provide added guidance on the intent of the Bulletin.

If you desire additional inforcation regarding this matter, please contact this office.

Sincerely, k

7, w

{ James P. O'Reilly Director

Enclosures:

1.

Supplement IE Bulletin No. 79-14 2.

List of IE Bulletins Issued in Last Six Months 1086

?30 7910080 7 7 ( 9 W*%1@

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AUG 151979 4

Alabama Power Company.

cc w/ enc 1:

A. R. Barton Executive Vice Presi1 at Post Office Box 2641 Biriningham, Alabama N'l J. T. Young D

Vice President-Produr _)or.

[

h0 Post Office Box 2641 b

P.irmingham, Alabama 6241 bl A

C. Biddinger, Jr.

A Manager-Corporate Qa..lity Assurance Post Office Box 2641 Birmingham, Alabama 35291 E. O. Thrash Manager-Nuclear Gen'.1. n un Post Office Box 2641 Birmingham, Alabama

' i.% 1 H. G. Hairston, III Plant Manager Drawer 470 AsLford, Alabama 36.112 R. E. Hollands, Jr.

RA Sopervisor 1ost Office Box U Ashford, Alabama 3t ;_

j086 231

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SSINS:

6820 Accession No:

7908080360 UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C.

20555 August 15, 1979 Supplement IE Bulletin No. 79-14 SEnMIC ANALYSIS FOR AS-BUILT SAFETY-RELATED PIPING SYSTEMS Description of Circumstances.

IE Bulletin No. 79-14 was issued on July 2, 1979 and revised on July 18, 1979.

The bulletin requested licensees to take certain actions to verify that seismic analyses are applicable to as-built plants. This supplement to the bulletin provides additional guidance and definition of Action Items 2, 3, and 4.

To comply with the requests in IE Bulletin 79-14, it will be necessary for licensees to do the following:

2.

Inspect Part of the Accessible Piping For each system selected by the licensee in accordance with Item 2 of the Bulletin, the licensee is expected to verify by physical inspection, to the extent practicable, that the inspection elements It performing these inspections, the meet the acceptance criteria.

licensee is expected to use measuring techniques of sufficient accuracy Where inspection to demonstrate that acceptance criteria are met.

elements important to the seismic analysis cannot be viewed because of thermal insulation or location of the piping, the licensee is expected to remove thermal insulation or provide access. Where physical inspection is not practicable, e.g.,

for valve weights and materials of construction, the license is expected to verify conformance by inspection of quality If a nonconformance is found, the licensee is expected assurance records.

in accordance with Item 4 of the Bulletin to perform an evaluation of the significance of the nonconformance as rapidly as possible to determine whether or not the operability of the system might be jeopardized during This evaluation a safe shutdown earthquake as defined in the Regulations.

is expected to be done in two phases involving an initial engineering judgement (within 2 days), followed by an analytical engineering evaluation (within 30 days). Where either phase of the evaluation shows that system operability is in jeopardy, the licensee is expected to meet the applicable technical specification action statement and complete the inspections

== nnscible. The licensee

~aa required by Item 2 and 3 of must report the results of tk DUPLICATE DOCUMENT ments for content and schedu 3.

Inspect Remaining Piping (Entiredocumentprevio nte

,'nto system under:

The licensee is expected to L

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report the results in accord [

No. of pages:

schedule as given in Item 3

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