July 24, 2013 10:40:13 AM
KNOXVILLE, Tenn. -- A report by the Tennessee Valley Authority's inspector general says the federal utility missed quality assurance audits at the Watts Bar Nuclear Plant.
According to the Knoxville News Sentinel the Office of Inspector General said no audits were done on commercial-grade materials being used to build Unit 2 at the power plant in Spring City for four years.
"This breakdown resulted in no audits, surveillances, or assessments of the commercial-grade dedication program being performed for (Watts Bar Unit 2) since 2008," according to the OIG report.
The report, completed in June, also noted TVA has taken steps to prevent a repeat of the lapse and has hired independent evaluators to review the materials in question.
The Nuclear Regulatory Commission cited TVA for the breakdown in auditing that allowed thousands of parts bought for the reactor project to bypass being documented as nuclear grade. Regulators have recommended a $70,000 fine on three violations found, which TVA paid last week.
The OIG report said the mistake that allowed the audits to be missed occurred by letting builder Bechtel Corp. skip doing its own quality assurance review on work that had already been done under TVA.
The dedication program is aimed at assuring that materials and parts purchased from commercial suppliers meet the higher standard the NRC demands for construction of nuclear power plants. TVA said in a statement that all components have now been tested and found acceptable.
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