Generic Activity A-10 BWR Cracks (Generic Letter 80-50)
NUCLEAR REGULATORY COMMISSION
WASHINGTON, D. C. 20555
June 5, 1980
ALL BWR LICENSEES
Attached for your review and comment is the "For Comment" edition of NUREG-
0619, "BWR Feedwater Nozzle and Control Rod Drive Return Line Nozzle
Cracking". The report provides the staff's resolution of the NRC's Generic
Technical Activity A-10, which is an "Unresolved Safety Issue" pursuant to
Section 210 of the Energy Reorganization Act of 1974.
The generic study resulted from the inservice discovery of cracking in
feedwater nozzles and control rod drive return line nozzles.
NUREG-0619 describes the technical issues, the technical studies and
analyses performed by the General Electric Company and the NRC staff, the
staff's technical positions based on these studies, and the staff's plan for
licensee and applicant implementation of the technical positions.
Public comments are being solicited form interested organizations, groups,
and individuals. These comments will be evaluated by the NRC staff prior to
final implementation of this subject. All comments should be forwarded to
Mr. Richard Snaider, Generic Issues Branch, Nuclear Regulatory Commission,
Washington, D. C. 2055, by July 7, 1980.
At the completion of the comment period, the staff will evaluate the
comments received and, if needed, will issue a supplement or revision to
NUREG-0619. The target for issuing the supplement or revisioni is late
Your comments should address the proposed implementation schedule as well as
the technical content.
Because of the importance of resolving this issue, plants undergoing
Systematic Evaluation Program (SEP) review will be required to implement
changes in the same time frame as non-SEP plants.
Darrell G. Eisenhut, Director
Division of Licensing
cc w/o enclosure
Page Last Reviewed/Updated Friday, May 22, 2015