NB-57, Revision 14, Is Now Available:
Updated National Board & ASME Guide for Reviews and Surveys

The National Board & ASME Guide for reviews and surveys, NB-57 Revision 14, is now available.

The Guide is a joint guidance document for the boiler and pressure vessel industry that supports reviews surveys of organizations seeking or maintaining ASME and National Board Certificates of Authorization.

The Guide provides a ready reference to the ASME Boiler and Pressure Vessel Code (ASME BPV Code), the National Board Inspection Code (NBIC), and applicable ASME and National Board (NBBI) procedures.

The revision summary includes:

• Revised applicable references and requirements to the 2025 ASME BPVC and the 2025 NBIC
• Links to ASME and NBBI procedures and documents found online have been revised to the latest ones
• Table of Contents includes links to the corresponding pages
• Section 6.0 includes links to the notes at the end of this section in various superscripts
• Abbreviations e.g. NBBI, QMS, Data Reports, etc. replace the complete name
• Added requirement for mass production shops to submit a copy of their QMS to ASME or the ASME Designated Organization
• Included the new ASME Section VIII-1 requirement for the QMS manual to require complete and exclusive administrative and technical supervision, and control of all welders and welding operators whether direct employees or engaged by contract
• Included the requirement to verify out of roundness for ASME Section VIII-1 and VIII-2 pressure vessel
• Included provisions for using digital pressure gages
• 2.18 Records Retention had numerous revisions
• Added 4.3 Deficiencies which places the responsibility on the review team to determine the extent of a finding for active shops
• Added links for NBBI “R” Certificate Holders to download their complimentary electronic copies of the NBIC
• Includes the ASME CA-1 definition for Quality Management System (QMS)

The Guide is available at nbbi.org or HERE.