28. Periodic inspection of pressure vessels must be carried out in accordance with the frequency established in Schedule 1.
This section does not apply to pressure vessels whose periodic inspection frequency is determined by an inspection program which is part of a quality control program approved in accordance with section 57 for the following appliances:
(1) pressure vessels subject to corrosion rate control and pressure vessels subject to a minute corrosion rate;
(2) pressure vessels of a nuclear installation.
Periodic inspection of CANDU nuclear power plant components, as defined in Periodic Inspection of CANDU Nuclear Power Plant Components (CAN3-N285.4-M83), published by CSA, shall conform to the requirements and prescriptions of that standard.
O.C. 2519-82, s. 28; O.C. 1310-91, s. 15.