GroundRules
46 CFR 56.70-20: -20 Qualification, general.
Where this section sits in the code
- Title 46—Shipping
- CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
- SUBCHAPTER F—MARINE ENGINEERING
- PART 56—PIPING SYSTEMS AND APPURTENANCES
- Subpart 56.70—Welding
(a) Qualification of welding procedures and welders is required, and must comply with the requirements of Section IX of the ASME BPVC (incorporated by reference; see § 56.01-2) as modified by part 57 of this subchapter.
(b) Each butt-welded joint of Class I of Class I-L piping must be marked with the welder's identification symbol. Dies must not be used to mark the pipe where the pressure exceeds 600 psig or the temperature exceeds 750 °F or in Class I-L systems.
Collected 2026-08-27T02:26:22Z. Source file · JSON