The Pressure Systems Safety Regulations (PSSR) 2000 (2004 in Northern Ireland) require pressure systems to be inspected in accordance with a written scheme of examination.
The pressure systems safety regulations deal with plant containing a ‘relevant fluid’, which is defined by the regulations as:
- A gas > 0.5 bar
- Steam at any pressure
- Liquids under certain conditions
The range of equipment covered by PSSR is extensive and includes conventional and nuclear power station systems, process vessels, compressed air systems, boilers, refrigeration plants, heating systems and many others. Plants not containing a ‘relevant fluid’ are still subject to certain regulations, for example PUWER, which is why we recommend this type of plant, typically hot water boilers, are also inspected.
Following an assessment, a written scheme of examination must be drawn up by a competent person, and must include description of all components of the system subject to PSSR, inspection frequencies and inspection procedures.
Inspection procedures normally include both a thorough or out-of-service examination (with the system being shut down and vessels opened up) and a working or in-service examination of the system under normal working conditions.
Inspection intervals or frequencies for Pressure Systems under PSSR may vary according to the application of the system(s). These are available from theSafety Assessment Federation (SAFed) website.
Engineering Inspection Department
0845 600 1828
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