ML14174A129

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Forwards 790522 Board Notification Recommendation,Trip Rept & IE Bulletin 79-04 Re Possible Incorrect Weights Assigned to Valves in Running Pipe Stress Analysis.Licensee Reanalysis Determined Piping Stresses Still Acceptable
ML14174A129
Person / Time
Site: Robinson 
Issue date: 06/04/1979
From: Lewis S
NRC OFFICE OF THE EXECUTIVE LEGAL DIRECTOR (OELD)
To: Callihan A, Cole R, Wolf J
Atomic Safety and Licensing Board Panel, UNION CARBIDE CORP.
Shared Package
ML14174A131 List:
References
NUDOCS 7908030319
Download: ML14174A129 (1)


Text

NRC Central File BPaton, OELD 0ELD FF (2)

DVassallo, 110 Phil.

LPDR w/D&SS (4)

HSmith; 314 Phil.

Shapar/Engelhardt DNeighbors, 316 Phil Christenbury/Scinto SBajwa, P-522 P

GHCunningham/MKarman SHLewis/Chron (2)

John F. Wolf, Esq., Chairman Dr. Richard F..Cole 3409 Shepherd Street Atomic Safety and Licensing Board Chevy Chase, Maryland 20015 U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Dr. A. Dixon Callihan Union Carbide Corporation P. 0. Box Y

'Oak Ridge, Tennessee 37830 In the Matter of Carolina Power and Light Company (H. B..Robinson, Unit No. 2)

Docket No. 50-261 (OL Modification)

Gentlemen:

Enclosed for your information are a.board notification recommendation, a trip report,-and an IE Bulletin regarding possible incorrect weights assigned to valves in running piping-stress analyses. In response to the, IE Bulletin, licensee undertook a review and determined that there are six valves in the Robinson plant with weights higher.than previously analyzed.

Licensee has performed a reanalysis of these.valves and has determined that the piping stresses areastill within acceptable limits. As soon as the documentation of this reanalysis is received by the Staff, we will transmit it to you.

Sincerely,

/s/

Stephen H. Lewis Counsel for NRC Staff

Enclosure:

Memorandum from Mr. Stello to Mr. Christenbury.re "Incorrect.weights for valves manufactured by Velan Engineering Corporation", May 22, 1979, with attachments.

cc:

George F. Trowbridge, Esq.

Richard Jones,.Esq.

7 Atomic Safety and Licensing Board Panel 408080 (1

own.

Docketing and Service Seation OEL 0ELD.

SHLewis:3 Gduniga I SURNAME*t A........

1......................6... /.79 NBC FORM 318 (9-76) NRCM 0240 U.S. GOVERNMENT PRINTING OPPICH: 1978 - 285 -789