Reassessing the extent of the Q classification for containment paint
- Advanced Corrosion Engineering Nuclear Power, Inc., Windsor, CT (United States)
A mounting number of site-specific paint debris transport and screen clogging analyses submitted to justify substandard containment paint work have been deemed persuasive by virtue of favorable U.S. Nuclear Regulatory Commission safety evaluation report (SER) findings. These lay a strong foundation for a standardized approach to redefining the extent to which paint in containment needs to be considered {open_quotes}Q.{close_quotes} This information justifies an initiative by licensees to roll back paint work quality commitments made at the design phase. This paper questions the validity of the basic premise that all primary containment paint can significantly compromise core and containment cooling [emergency core cooling system/engineered safeguard feature (ECCS/ESF)]. It is posited that the physical extent of painted containment surfaces for which extant material qualification and quality control (QC) structures need apply can be limited to zones relatively proximate to ECCS/ESF suction points. For other painted containment surfaces, simplified criteria should be allowed.
- OSTI ID:
- 186630
- Report Number(s):
- CONF-950601-; ISSN 0003-018X; TRN: 96:007049
- Journal Information:
- Transactions of the American Nuclear Society, Vol. 72; Conference: Annual meeting of the American Nuclear Society (ANS), Philadelphia, PA (United States), 25-29 Jun 1995; Other Information: PBD: 1995
- Country of Publication:
- United States
- Language:
- English
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