scope:

This Standard is designed to provide information on good practice for gas installations in timber and light framed steel buildings, focusing on the special features of constructions that affect such installations.

These procedures apply to the installation of Network pipelines, meter installations, installation pipes and pipework and appliance including their open flue chimney or room sealed chimney system, in new and existing timber and light steel framed buildings containing single or multiple dwellings. They cover installations using odorised 2^nd family at a maximum pressure of 75 mbar within buildings and 3^rd family gas. They are applicable to the installation of appliances having a heat input not exceeding 70 kW based on net calorific value, which have been CE marked and for which the manufacturer advises that they are suitable for installation in such a building.

Specifically they contain details of:

• Legal considerations such as Gas Safety (Installation and Use) Regulations.

• Properties of network pipelines.

• Meter installation.

• Measures to be taken when installing the pipework.

• Installation of appliances.

• Chimney design and installation.