scope:

This Standard describes the RIDM process. This process assists in addressing, among other things, the following:

a) evaluation of options, including design;

b) decision making to support operations, maintenance, and operability assessments;

c) fitness for service criteria;

d) inspection plans for structures, systems and components (SSCs);

e) periodic safety reviews;

f) post-event (e.g., seismic event) actions;

g) resource allocation; and

h) dealing with discovery issues

This Standard is not meant to replace existing risk management processes but rather to support the existing risk management processes.

Note: In situations where immediate actions are required, see Clauses 4.6.5.2 and 5.4.5 b).

This Standard applies to nuclear power plants.

Note: This Standard may provide guidance for nuclear facilities other than NPPs. The operators of these facilities may determine the applicability and suitability of the guidance provided by this Standard

In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.