An MGPS is installed to provide a safe, convenient and cost-effective system for the provision of medical gases to the clinical and nursing staff at the point of use. It reduces the problems associated with the use of gas cylinders such as safety, porterage, storage and noise.

The guidance given in this HTM should be followed for all new installations, and for refurbishment or upgrading of existing installations.

It is not necessary to apply the guidance retrospectively unless patient or staff safety would be compromised. In this case, the guidance given in this HTM should be followed.

Existing installations should be assessed for compliance with this HTM. A plan for upgrading the existing system should be prepared, taking account of the priority for patient safety. Managers will need to liaise with medical colleagues and take account of other guidance published by the Department of Health in order to assess the system for technical shortcomings.

This volume of Health Technical Memorandum (HTM) 2022 looks at issues of design, installation, verification and validation. It covers the user requirement for flow, pressure and diversity and gives technical guidance on the design, installation and accommodation of plant and medical pipeline distribution systems. In addition, this volume describes the procedures to be carried out before a medical gas pipeline system (MGPS) can be taken into use. The tests to be carried out at each stage of the installation programme are set out, together with requirements for personnel, instrumentation and documentation required.

This volume is intended for use by designers, installers, manufacturers, operational managers, engineers, quality controllers, technicians, finance officers and other professionals involved in the day-to-day running of an MGPS.

The primary objective of this volume is to ensure the provision of safe and reliable MGPS and their efficient operation and use. This objective will only be achieved if the medical and nursing users and estates staff participate in the introduction of an operational policy designed to minimize the hazards likely to arise from misuse of the system.

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