NBBI NB23-2007 Part 3

This Part provides information and guidance to perform, verify, and document acceptable repairs or alterations to pressure-retaining items regardless of code of construction. Alternative methods for examination, testing, heat treatment, etc. are provided when the original code of construction requirments cannot be met. Specific acceptable and proven repair methods are also provided.

Includes 3 years of addenda.

Includes 3-Ring Binder with section insert tabs.