Saturday April 30, 2011
BRATTLEBORO — A leak in a steam trap line at Vermont Yankee was attributed to “a failure to follow procedures that resulted in incorrect gasket material being used as a replacement for spiral wound gasket material,” according to a licensee event report filed with the Nuclear Regulatory Commission on April 14.
The failure was due to the fact that “… maintenance and planning personnel did not involve engineering personnel …” in the repair of a weld to a flanged connection in the pipe, according to a quarterly inspection report that was released on Thursday.
The identified steam trap is part of the nuclear power plant’s high pressure coolant injection system.
full article – http://www.reformer.com/localnews/ci_17962373