Defects such as a crack in a welded joint or deep pitting must be completely removed before repair. If the defect penetrates the full thickness of the material, the repair must be made with a complete penetration weld such as a double butt weld or a single butt weld, with or without backing.

Source: 23 SDR 139, effective March 5, 1997.

General Authority: SDCL 34-29A-14.1.

Law Implemented: SDCL 34-29A-14.1.