Section 8 Pressure vessels
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Section 8 Pressure vessels

8.1 General

8.1.1 Pressure vessels are to be in accordance with the requirements of the relevant Sections of Vol 2, Pt 8, Ch 1 Steam Raising Plant and Associated Pressure Vessels or Vol 2, Pt 8, Ch 2 Other Pressure Vessels as applicable, or with agreed Codes and specifications normally used for similar plants in land installations, suitably modified and/or adapted for the Marine Environment.

8.1.2 Mounting arrangements are to take account of forces and moments generated at the supports. Mounting arrangements are to take account of thermal expansion and contraction.

8.1.3 Access is to be provided for inspection and checking of mountings, fittings, controls and pressure-relief devices.

8.1.4 Arrangements are to allow the pressure settings of pressure-relief devices to be checked.

8.1.5 Where provision is made to isolate pressure-relief devices from pressure vessels for maintenance purposes, at least two such pressure-relief devices are to be fitted. The isolating or blocking valves are to be arranged such that at least one pressure-relief device remains operational at all times.


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