scope:

This document contains minimum requirements for fabrication and inspection of submarine and non-combatant submersible structure, including shipbuilding practices, specifications for materials, weld joint design, workmanship, welding, inspection, and record requirements, Minor structure (as defined in 3.33.3.1) is exempt from the requirements listed herein. Such structure shall be fabricated using good shipbuilding practices and may be performed using AWS, ASTM or other commercial standards.

Purpose: To forward the original issue of enclosure (1). Enclosure (1) replaces references (a), (b) and (c) for fabrication, welding, and inspection of submarine structure. Reference (b) continues to apply to surface ship structure.