ML17256A930

Summary of 820430 Meeting W/Util,Franklin Research Ctr, C-E & Bmnl in Bethesda,Md Re Steam Generator Evaluation Rept.List of Attendees & Viewgraphs Encl

ML17256A930
Person / Time
Site:	Ginna
Issue date:	05/07/1982
From:	Lyons J Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
Shared Package
ML17256A931	List: ML17256A930 ML17256A932
References
NUDOCS 8205140230
Download: ML17256A930 (6)

Text

May 7, 1982 Docket No. 50-244 LICENSEE:

Rochester Gas 8 Electric Corporation FACILITY:

R. E.

Ginna

SUBJECT:

SUNIARY OF APRIL 30, 1982 MEETING IIITH RGSE TO DISCUSS THE STEAM GENERATOR EVALUATION REPORT DATED APRIL 26, 1982

~~~ IS A&47 CP Q

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On April 30, 1982, members of the NRC staff met with representatives of Rochester Gas and H]ectric Corporation (RGSE) to review the steam generator evaluation r eport dated April 26, 1982.

The puvpose of the meeting was for the licensee and his consultants to summarize the results of RG5E's tube failure analysis program, present conclusions as. to the reasons for the January 25, 1982 tube rupture and to have the NRC staff identify any additional information required fov the timely completion of the Safety Evatugtion Report (SER).

Enclosure 1 is a list of attendees.

Enclosure 2 is a copy of the viewgraphs used during the presentation.

The meeting started with a history of tube plugging in the "8" steam generator hot leg.-

The progression of the degradation in wedge area 4, where the.tube rupture occurred, was highlighted.

Later in the meeting RG&E stated that they now feel that the degradation in this wedge area Iras been due to the pr~errce:- of a large foreigh object tl)at damaged the perepheral.

t'bbes.;d As the peripheral tubes were continually ijpacted by this foreign object they eventually severed at the tube sheet.

The severed tubes were then free to impact and were against the next row of tubes until sufficient damage caused these tubes to sever.

This progression can be seen in the way that tubes weve plugged through the years as ECT indications were received during the regular insservice, inspection program that RG5E performs.

During the years that the dt.'gt'adation was progressing, RGEE was investigating other modes of degradation suc) as axial loading of the-tubes in the wedge area.

Post event examiqagfon and analysis now point'airly conclusively to the presence of foreign objects.

No evidence of corrosion in any of the tube samples was found.

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8205i40230 820507 PDR ADDCK 05000244 P

PDR OFFICE/

SURNAME$

OATE 5 NRC FORM 318 (10-80) NRCM 0240

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OFFICIAL RECORD COPY US0PO: 1881~~880

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Roc)ester Gas 3 Electric Corporation Hay 7, 1982 The remainder of the meeting was a presentation of the Various analyses performed by llestinghouse fol RGPE that support the conclusions on the failure mechanism that were reached.

Also, a description of'he repair program and its basis were also presented.

The NRC staff.pierewt generally agreed with RGSE's overall analyses.

The sta,ff will continue its review of the licensee's submittal and any qgh'stions raised during than review will be resolved via con-ference calls or other meetings as necessary.

RGSE is presently proposing a start up date of Hay 19, 1982.

Original signed by

Enclosures:

As stated J.

E. Lyons, Project It1anager Operating Reactors Branch 85 Division of Licensing OFFICEI SURNAME/

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Mr. John E. Maier CC Harry H. Yoigt, Esquire

LeBoeuf, Lamb, Leiby and MacRae 1333 New Hampshire Avenue, N.

W.

Suite 1100 Washington, D. C.

20036 Mr. Michael Slade 12 Trailwood Circle Rochester, New York 14618 Ezra Bialik

.Assistant Attorney General Environmental Protection Bureau New York State Department 'of Law 2 World Trade Center New York, New York 10047 Resident Inspector R. E. Ginna Plant c/o U. S.

NRC 1503 Lake Road

Ontario, New York 14519 Director, Bureau of Nuclear Operations State of New York Energy Office Agency Building 2

'Empire State. Plaza

Albany, New York 12223 Sqpervisor of the Town of Oiitario 107 Ridge Road West

Ontario, New York 14519 Dr. Emmeth A. Luebke Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission Washington, D. C.

20555 Dr. Richard F. Cole Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission

.Washington, D. C.

20555 U. S. Environmental Protection Agency Region II Office ATTN:

Regional Radiation Representative 26 Federal Plaza New York, New York 10007 Herbert Grossman, Esq.,

Chairman Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission Washington, D.

C.

20555 Ronald C. Haynes, Regional Administrator Nuclear Regulatory Commission, Region I

'31 Park Avenue King of Prussia, Pennsylvania 19406 Mr. Eric Smith NUS Corporation

,2536 Countryside Boulevard.

Clearwater, Florida 33515 Mr. Bob Pollard UCS

'1346 Connecticut Avenue N.

W.

Suite 1101 Washington, D. C.

20036 Mr. Fred Levine Counsels Office New York State Consumer Protection Board 99 Washington Avenue

Albany, New York 12210 Ms. Ruth N. Caplan, Chairman National Energy Committee 278 Washington Boulevard

Oswego, New York 13126

ENCLOSURE 1

Attendance List Name Jim Lyons Gus Lainas T. Ippolito John Wee'ks Carl Czajkowski Keith Wichman T.

M.

Su R.

P.

Zimmerman H. B. Kister E. Igne C.

Y. Cheng W. V. Johnston W. S. Hazelton Emmett Murphy

'John Roberts J.

Rajan S.

S.

Chen.

Fred Pement S.

H. Hanauer

,R.

E. Martin Harry Clark

'. Louis Frank George Peter Wachtell Larry Leonard Philip Cronin Mahen R. Patel Richard E. Schwirian L.

F.

Ermold

, Robert E. Smith W. J. Heilker J.

C. Hutton R.

C. ~edy A. E. Curtis III J.

C.

Noon J.

E. Maier D.

M. Crutchfield Or anization NRC/DL NRC/DL NRC/DL BNL'NL NRC/DL NRC/DST NRC/Region I NRC/Region I ACRS NRC/DE/MTEB NRC/DE NRC/DE NRC/DE/MTEB NYS-PSC NRC/DE/MEB ANL/CT NRC/DST NRC/DL W

NRC/RES Franklin Res.

Center Franklin Res..Center Nixon, Hargeave (RGSE)

W/NTD

..W/NTD W/NTD RGEE/Engineering Combustion Engineering RGE/M.E.

RGE/N.E.

RGE/Mat.

E.

RGE/Ginna Station RGE/V.P.,

Prod.

NRC/DL