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Posted By Phillipe Under the Pressure Systems Safety Regulations 2000 I am required to undertake an adequate a suitable system of maintenence. Part of this includes the written scheme of examination. Are these generic documents that may be adapted to suit a particular pressure vessel or do they tend to be type specific? Any help would be appreciated and a cheeky request for an example would be outrageously welcomed. Thanks in advance phil.sleet@adams.co.uk
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Posted By Jane Blunt
Written schemes of examination vary according to the type of pressure vessel. I have about five different types in my own department.
The owner or user of the pressure vessel has a responsibility to ensure that a written scheme of examination is drawn up, or certified as being suitable, by a competent person before the equipment is put into service. Competent persons in this respect are described in the ACOP which is L122 from HSE books.
In our case we have an insurance company which supplies competent persons who both draw up schemes, do the inspections and the company provides the insurance cover.
Jane
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Posted By David J Jones
Your Written Scheme of Examination will normally be supplied by the Competent Person who carries out the annual Thorough Examination.
In our company an engineer from the insurance company does this, his inspections are normally a full, at rest, inspection - internal exam, vessel wall thickness, overall condition, test of safety valves, guages, inspect pipework etc., then the following year will be an examination at work (or at rest). The different types of examination will be detailed in the Written Scheme.
Regards
David
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Posted By Sandy Fowler
Does this cover for example Coca Cola dispensers?
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Posted By George Wedgwood
UKAS is the approved accreditation body for CPs and usually it is not the 'insurace company' per se that examines, but a subsidiary engineering inspection company - seen to be relatively independent - that will be insisted on by your broker. They will be accredited and usually do the written scheme or contract it out if complex (i.e. a power station), to another CP. Simple vessels like air compressor receivers are relatively easy to do but nowadays, the examination includes the pipework and all protective devices as well. As well as the ACoP, Guidance can be found from the HSE in Leaflet INDG 178 (rev1) which gives advice on WSEs and also in INDG 261 (rev1) in general for pressure systems.
Generally if a pressure container is over 0.5 bar and has a combined pressure-volume product of more than 250 bar-litres, it should have a WSE and be examined regularly in accordance with that scheme. If it is a steam pressure container then the limit disappears. Try to stay away from the Pressure Equipment Regs - they are very complex!
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Posted By Jane Blunt
For Sandy
If you mean coca cola as in individual cans, then no.
Back at the factory, I guess there are pressure systems that come within the remit of the regulations.
Jane
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