Proposed Generic Letter Titled ``Mark I and Mark II Steel Containments;'' Decision Not To Issue

Samenvatting

On November 21, 1992, the NRC published a proposed generic letter in the Federal Register (57 FR 54860) for public comment. The proposed generic letter recommended actions to be taken by licensees of operating boiling-water reactor plants with Mark I and Mark II steel containments to implement certain inservice inspection procedures that would prevent a potential inadvertent loss of containment integrity and maintain continued conformity with their licensing bases. The comment period for this proposed generic letter expired on December 21, 1992. Comments were received from eleven organizations; six from nuclear utilities, two from industry groups, two from architect/engineering companies, and one from a citizens group. Only the citizens group supported the issuance of the proposed generic letter. As an alternative to the proposed generic letter, the two industry groups, the Nuclear Management and Resources Council (NUMARC) and the Boiling Water Reactor Owners' Group (BWROG), proposed a model containment inspection program (CIP) which they believe to be cost effective and to be able to resolve the concerns of the NRC staff. The six nuclear utilities and two architect/engineering com