Oil and Gas Occupational Safety and Health Regulations

6.4 (1) No person shall use a boiler, pressure vessel or piping system unless it has been inspected by an inspector in accordance with subsection (2).

(2) Every boiler, pressure vessel and piping system shall be inspected in accordance with sections 6.8 to 6.10

• (a) after installation; and

• (b) after any welding, alteration or repair is carried out on it.