scope:

This Case provides risk-informed requirements for inservice inspection of Class 1, 2, or 3 piping. For Class 1 or 2 piping, these requirements are an alternative to the requirements of Categories B-F, B-J, C-F-1, or C-F-2. For Class 3 piping, the requirements in this Case are new. Application of this Case to Class 3 piping may result in a requirement for additional examinations.

This Case may be applied to all Class 1, 2, and 3 piping system, an individual Class of piping (e.g. Class 1 piping), or to individual systems. Systems that are not evaluated in accordance with this Case shall be examined in accordance with Examination Category B-F, B-J, C-F-1, or C-F-2, as applicable.