
NBIC NB 23 Part 3
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National Board Inspection Code – NBIC, 2023 Edition – Part 3 – Repairs and Alterations
Standard by National Board of Boiler and Pressure Vessel Inspectors, 2023
NBIC NB 23 Part 3 – Repairs and Alterations, 2023 Edition
This part provides requirements and guidelines that apply when performing repairs and alterations to pressure-retaining items.
The National Board administers four specific accreditation programs:
“R” — Repairs and Alterations to Pressure-Retaining Items
“NR” — Repair and Replacement Activities for Nuclear Items
“VR” — Repairs to Pressure Relief Valves
“T/O” — Test Only of Pressure Relief Valves
This part describes some of the administrative requirements for the accreditation of repair organiza-tions. Additional administrative requirements can be found in:
NB-415,Accreditation of“R”Repair Organizations
NB-417,Accreditation of “NR” Repair Organizations
NB-514,Accreditation of “VR” Repair Organizations
NB-528,Accreditation of “T/O” Test Only Organizations
Requirements for repairs to pressure relief valves can be found in NBIC Part 4.
The NBIC recognizes four important areas of post-construction activities where information, understanding, and following specific requirements will promote public and personal safety. These areas include:
- NBIC NB 23 Part 1 – Installation
- NBIC NB 23 Part 2 – Inspection
- NBIC NB 23 Part 3 – Repairs and Alterations
- NBIC NB 23 Part 4 – Pressure Relief Devices
| The National Board administers four specific accreditation programs | |
|---|---|
| This part describes some of the administrative requirements for the accreditation of repair organiza-tions. Additional administrative requirements can be found in | |
| The NBIC recognizes four important areas of post-construction activities where information, understanding, and following specific requirements will promote public and personal safety. These areas include | |
| Revision | 2023 Edition, July 1, 2023 |
| Published Date | July 1, 2023 |
| Status | Active, Most Current |
| Document Language | English |
| Published By | The National Board of Boiler and Pressure Vessel Inspectors (NBBI) |
| Page Count | 318 |
| ANSI Approved | Yes |



