Gas Line Diagrams
Where large consumers of natural gas such as industrial properties, schools, colleges or hospitals having 2 or more floors to which gas is supplied and the gas pipework is 50mm (2″) or more, there must be a gas line diagram located at the primary meter or emergency control valve.
This shall indicate the position of all installation pipework with a diameter of 25mm (1″) and larger, meters, control valves emergency control valves and pressure test points of the gas supply in the building
If you don’t have such line diagrams in place we can help you meet your obligations by providing this service
