The Pressure Systems and Transportable Gas Containers Regulations 1989

means a design standard or design specification, as the case may be, approved under regulation 16(2)(a);

means a competent individual person (other than an employee) or a competent body of persons corporate or unincorporate;

means the computer system including the software.

means a specification for the design of one type of transportable gas container;

means a standard for the design of more than one type of transportable gas container;

means a careful and critical scrutiny of a pressure system, part of a pressure system or transportable gas container, in or out of service as appropriate, using suitable techniques, including testing where appropriate, to assess– (a) its actual condition;

means the ratio of the volume of liquefied gas in the container to the total volume of the container.

means Council Directive 76/767/EEC concerning the approximation of the laws of the Member States relating to common provisions for pressure vessels and methods of inspecting them;

means a pressure system other than a mobile system;

means any repair involving hot work or welding on the body of a transportable gas container but (except in relation to paragraph (1)(b)) it does not mean heat treatment applied for the purpose of restoring the metallurgical properties of the container.

means a pressure system which can be readily moved between and used in different locations but it does not include a steam locomotive;

means such maintenance as it is reasonable to expect the user (in the case of an installed system) or owner (in the case of a mobile system or transportable gas container) to ensure is carried out independently of any advice from the competent person making the examination;

means a pipe or system of pipes used for the conveyance of relevant fluid across the boundaries of premises, together with any apparatus for inducing or facilitating the flow of relevant fluid through, or through a part of, the pipe or system, and any valves, valve chambers, pumps, compressors and similar works which are annexed to, or incorporated in the course of, the pipe or system;

means a pipe or system of pipes together with associated valves, pumps, compressors and other pressure containing components and includes a hose or bellows but does not include a pipeline or any protective devices;

means– (a) a system comprising one or more pressure vessels of rigid construction, any associated pipework and protective devices;

means devices designed to protect the pressure system against system failure and devices designed to give warning that system failure might occur, and include bursting discs;

means– (a) steam;

means the operating limits (incorporating a suitable margin of safety) beyond which system failure is liable to occur;

means the written scheme referred to in regulation 8;

means Council Directives 84/525/EEC, 84/526/EEC and 84/527/EEC concerning the approximation of the laws of the Member States relating to seamless steel gas cylinders, seamless unalloyed aluminium and aluminium alloy gas cylinders, and welded unalloyed steel gas cylinders respectively;

means the unintentional release of stored energy (other than from a pressure relief system) from a pressure system or transportable gas container;

means the Health and Safety at Work etc.

means the Health and Safety Executive;

means a container, including any permanent fitting of such a container, which is used, or, is intended to be used, to contain a relevant fluid and is– (a) designed to be transportable for the purpose of refilling and has an internal volume of at least 0.5 litres and not greater than 3,000 litres;