After seeing the PressureSafe engineer training it was a no brainer, we would be able to complete our own examinations and work safely in collaboration with Mandate Systems to produce dual branded written schemes. This solution would not only improve quality, provide the one stop service we want to offer, it would also benefit the bottom line.
A Written Scheme of Examination (WSE), is a legal document required prior to use of Pressure Systems. This is legislated by UK regulations detailed in Pressure System Safety Regulations (PSSR) 2000. It details items within a Pressure System that necessitate examination by a competent person.
As specified in Regulation 8.1 of PSSR “The user of an installed system and owner of a mobile system shall not operate the system or allow it to be operated unless he has a Written Scheme for the periodic examination, by a competent person”.
HSE defines competency as “the combination of training, skills, experience and knowledge that a person has and their ability to apply them”.
The Competent Person will identify which items of the pressure system fall within the scope of the WSE, such as pressure vessel, protective devices and pipework. Once these items have been established the frequency of examinations will be outlined.
As part of PressureSafe we will train your engineers to undertake examinations in line with PSSR 2000. The examination is one element and they will not be able to create or sign off a written scheme. By working in collaboration on minor system for a small charge we can create a dual branded written scheme using our chartered engineer and the information your examining engineers has taken.
The following types of pressurised systems are likely to require a WSE:
- Compressed air systems where the vessel has a pressure volume product greater than 250 bar litres (This is calculated by multiplying the operating pressure of the vessel in bars by the size of the vessel in litres – bars x litres )
- Steam sterilisation autoclaves
- Coffee machines with steam boilers
- Rigid vessels over 250 bar litre, this includes expansion vessels and separators
- Pressure cookers
- Gas-loaded hydraulic accumulators, if forming part of a pressure system
- Portable hot water/steam-cleaning unit fitted with a pressure vessel
- Vapour compression refrigeration system where the installed power exceeds 25 kW
- Steam boilers, including standard or narrow-gauge steam locomotives
- The components of self-contained breathing apparatus sets (excluding the transportable pressure receptacle)
- Fixed LPG storage systems supplying fuel for heating in a workplace
- Protective devices such as pressure gauges, safety valves, pipework, level indicators, pressure and temperature switches
The WSE must remain relevant to the pressure system it relates to and therefore requires periodic reviews. Frequency of reviews may vary depending on the competent person.