522 CMR 3.05
Inspector and Records
(1) An Authorized Nuclear Inspector and Authorized Nuclear Inspector (Concrete) shall be on
the site during the mechanical construction and testing phases of every nuclear reactor
installation, its components, appurtenances, containment vessel, and piping systems. The
District Engineering Inspector may make such inspections as deemed appropriate.
(2) The Owner/User shall keep permanent records to maintain complete traceability of all
material used in the construction of any nuclear reactor plant. These records shall include
certificates of chemical and physical properties.
(a) Permanent records shall be kept at the plant site to maintain complete traceability of all
welds that fall within the limits of the 2021 ASME Boiler and Pressure Vessel Code
Section III, Rules for Construction of Nuclear Facility Components.
(b) Permanent records shall be maintained identifying all welders, and their qualifications,
performing welds covered in 522 CMR 3.05(2)(a).