E ach welded repair must conform insofar as possible to Part 3 , 20 2 1 National Board Inspection Code . The repair standard selected must be the one most compatible with the nature of the repair, the original construction, and the present operating conditions.

Reference: National Board Inspection Code, July 1, 2021, edition. Copies may be obtained from the National Board of Boiler and Pressure Vessel Inspectors, 1055 Crupper Avenue, Columbus, OH 43229-1183. Cost is $325 plus shipping and handling charges.

Source: 23 SDR 139, effective March 5, 1997; 30 SDR 48, effective October 16, 2003 ; 50 SDR 47, effective October 16, 2023 .

General Authority: SDCL 34-29A-14.1 .

Law Implemented: SDCL 34-29A-14.1 .

Prior versions effective: 2003-10-16.