ML20079F911

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Interrogatories to NRC Re Steam Generator Repair (Set 1)
ML20079F911
Person / Time
Site: Crane Constellation icon.png
Issue date: 01/16/1984
From: Aamodt N, Jun Lee
AAMODTS
To:
NRC OFFICE OF THE EXECUTIVE LEGAL DIRECTOR (OELD)
Shared Package
ML20079F903 List:
References
NUDOCS 8401190342
Download: ML20079F911 (4)


Text

- - _ -

. LEA - 1/16/84 d

UNIIED STATES CF AMERICA NUCLEAR REGULATORY COMMISSION Nh;pc BEFORE THE ATOMIC SAFETY AND LICENSING BbARD

'84 JM 18 A10:42

)

In the Matter of METROPOLITAN EDISON COMPANY, ET AL, Docket 50-28h:_%Sh[.5

)

(Steam Generator Kepair)

(Three Mile Island Nuclear

)

Generating Station, Unit 1)

)

LEE ET AL INTERROGATORIES OF NRC STAFF (SET 1) 1.

Provide list of all knam cases of IGSCC in tubes of OISGs in commercial nuclear facilities in the United States, providing for each case.:

a.

Name of facility b.

Date facility first operated over 107. pow 2r c.

Owner of facility d.

Description of event bringing case to the attention of the NRC

~ e.

Date event was reported

.f.

The extent of IGA on inner tube surfaces g.

The extent of IGSCC h.

Extent of crack propagation 1.

Tube composition, including ranges,for all tubes j.

Heat treatment history of OISG tubes k.

Analysis of water passing thru tubes prior to

^

1.

And at time of failure

- Actual data where available

- Estimates where data is not available Full description of each facilities' response, including a,11 m.

facility owner generated reports

' n.

NRC assessment of cause o.

NRC approved response to incident p.

NRC approved repair program 2.

Describe all mechanisms on which Staff or its consultants rely to define:

a.

Initiatien of IGA in OISG tubes,

b.

Initiation and progagation of T.S' in OISG tubes, c.

Enviroments which will inh' bP ;U.

IGSCC and crack propagation.

8401190342 840116 PDR ADOCK 05000289 0

PDR

pag 2 2, Sat 1, NRC Staff Where interrogatories referenhe Report, this is the Report of the Third Party Review of Three Mile Island Unit 1, Steam Generator Repati. Supplement 1. May 16. 1983 3

Provide with s'pecificity the participation of each member of the Third Party Review Consnittee.

4 Provide the April 7,1983 letter from GPU Nuclear in response to the Reviec Group's report and the additional documents, for the Review Group used referred to at page 1, Report, " Background".

(This letter

)

was not included in Appendix A vith its Attachment 1.)

5.- Provide the April 4,1983 letter of GPU Nuclear which distributed additional documents for the Review Group's use and those documents asserted to be provided '(see page 1, R port," Background" ) and not 3

provided.

k 6

Is the Interim Report of Third Party Review of Three Mile Island.

Unit 1. Stum Generator Repair, marked " Appendix A" to be considered

, of Appendix A referred to at " Background", page 1 ~of Report?

l If not, provide Attachment. to Appendix A.

I 7,

We find no GPU Nuclear April 4,1983 letter to be, provided asi

" Appendix B".

Provide this letter referred to at page 1, " Background",

Report.

3 8.

Provide complete transcript for April 12 and 13,1983 meetings t

of GPU Nuclear with Review Group.

9.

Were all Review Group members present during the April 12, and 13, f

19E3 meetings referred to at (6)' ?

10.

a.

Were Licensee management officials and/or NRC Staff members present during the final review comittee deliberations which I

fn. lowed :::: tne April 12 and 13,1953 neetie:s-i b.

Enen and where verc :hese final deliberations conducted?

l l

-o 1, NRC Stbff -

paga 3, Sat c.

Describe any contcets between the Staff and the Review Group subsequent to the April 12 and 13,1983 meetings.

d.

Describe the preparation of the Reoort, including the Staff's part and identity of Staff members who participated, if any.

e.

Was -the Recorc' approved by each Review Groop member prior' tc its finalization?

f.

Provide any comments, either verbal or written, which may have resulted because of a member's review of the Report.

11. What Review Group member (s) does NRC Staff plan to present to support the Report?

'12. Identify GPU Nuclear staff present at April 12 and 13,1983 meetings with Review Group.

Identify NRC Staff representative.

13.

Provide " revised documente" alleged to be identified in Appendir-A and B referred to at " Conclusion" of Report.

14 Provide " revised documents" alleged to be identified in Staff's Safety Evaluation Reports 008 and 010,and referred to at " Conclusion" of Report.

15.

Provide "Ihe GPU Nuclear responses" introduced at " Comments End'

~

Recommendations" of Report and not provided in Appendix A as asserted.

16. ' Describe eny disagreement' between any Review Group member with the.

Reoert.

17, Provide plant-related data which supports the conclusion (page 8, parc. 1) that "the greeth of flaws due to mechanical effects is slow (i.e., growth to a critical size takes many operating cycles) and that eddy current is capable of detecting flaws before they approach criticci size."

Provide plant-related cs ts whien cht ilenger t he conclusion cited in (15).

L

paga 4, S2t 1, NRC Steff 19 ~. Provide any information, including docuuents, notes or verbal communications, known to all Staff members who vould have such information, that cha y enges the conclusion etted 1 (15).

Pursuant to 10 C.F.R. 2.740b and 2.741, the jo' int it:erveners, Lee et*al.,

~

hereby request that the NRC Staff answer separateiy and fully in vr'iting, and under oath, each of the, above interrogatories. These int'errogatories are intended to be enntinuing in nature, and the ans' vers should be promptly supplemented or amended as appropriate, pursuant to 10 C.F.R. 2.740(e), should the NRC Staff' or any one acting on its behalf obtain any new or -differing information-responsive to these interrogatories. The NRC Staff is to respond according to the same standards described in NRC Staff's First Set of Interrogatories and First Document Production Request to Joint Intervenors Norm'n'h Aamodt and Jane Lee, December 23, 1983 at.pages 2,3,5 and 6 and where supplementary on those standards described in Licensee's First Set of Interrogatories and Request for Production of Documents to Joint Intervenors, December 15, 1983 at pages 2,3,4,15 and 16 Respectfully, submitted, lbitl (M.N'I~

l

/e 1

Jane

/ h W R /EC4 l hilup b/

Nor=an O. Accodt January 16, 1984 l

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