WAC 296-104-502. Repairs — What is the standard for nonnuclear repairs and alterations?

The standard for repairs/alterations is: (1) National Board Inspection Code (NBIC), current edition Part 3, excluding Section 6, Supplements 1, 5, 6, and 7 which may be used as nonmandatory guidelines. (2) The standard for repair of historical boilers or riveted construction preserved, restored, or maintained for hobby or demonstration use, shall be Part 3, Section 6, Supplement 2 of the National Board Inspection Code (NBIC) current edition.