Energia i regulacje · 14/04/1998

Proposed Generic Communication; Augmented Inspection of Pressurized-Water Reactor Class 1 High Pressure Safety Injection Piping (TAC NO. M99226)

On March 30, 1998, (63 FR 15233) the NRC published for public comment a proposed generic letter concerning the identification of a discrepancy in the American Society of Mechanical Engineers (ASME) Code inspection requirements regarding the inservice inspection of those portions of the high-pressure safety injection system piping designated as Code Class 1 with nominal pipe sizes between 4 inches and 1\1/2\ inches, inclusive, and the need for addressees to maintain the integrity of this reactor coolant pressure boundary piping in accordance with the provisions of their current facility licensing bases and report to the NRC their previous actions for verifying the integrity of the subject piping and their plans regarding future inspections. The comment period for this proposed generic letter was originally scheduled to expire on April 29, 1998. In a letter dated March 31, 1998, the Nuclear Energy Institute requested a 30-day extension of the comment period to permit sufficient time to reach consensus on a coordinated industry response. In response to this request, the NRC has decided to extend the comment period.