scope:

This guidance is provided for phasing out of R22 refrigerant systems currently in use on all Network Rail Operational Property, in accordance with EU Regulations for reduction of greenhouse gases and gases which are likely to cause damage to the ozone layer. Guidance is provided for suitable alternatives to R22. This guidance applies to all R22 refrigerant systems present in Stations, Depots and all lineside buildings.

Purpose

The purpose of this guidance note is to advise the reader of changes in the law relating to the current use of the refrigerant gas designated R22 , the need to plan and implement the phasing out of the substance, and options available for replacement refrigerants or renewal of complete systems.