BS 6891:2015+A1:2019
Specification for the installation and maintenance of low pressure gas installation pipework of up to 35 mm (R1<sup>1</sup><sub>4</sub>) on premises
https://doi.org/10.3403/30199129 (published 30/11/2015)
BS 6891:2015+A1:2019 is maintained by GSE/30. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS 6891:2015 [current until 08/07/2019]
- BS 6891:2005+A2:2008 [current until 30/11/2015]
- BS 6891:1998 [current until 18/11/2005]
- BS 6891:1988 [current until 15/04/1998]