Specifies requirements and provides guidance on the operation and maintenance of boilers, pressure vessels, associated control and safety equipment, piping and auxiliaries, and in the execution of such work. Covers actions required by the owner-user from initial receipt of the equipment on-site until final disposal. Applies to commissioning, operation, maintenance, routine inspection, storage and disposal, together with specific requirements for safety management systems, including, where appropriate, risk assessment. Applies to pressure equipment covered by AS/NZS 1200. The requirements do not apply to all hazard levels of pressure equipment.