The exact 46 CFR §56.70-20 text, rendered cleanly with its subsection structure — plus how this rule shows up on the exam.
Public-domain federal text · ingested from eCFRTL;DR
(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.
Rendered cleanly from the source — the exact regulatory text, with subsection structure preserved.
(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.
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