2012BS EN 806-5:2012 Specifications for installations inside buildings conveying water for human consumption. Operation and maintenance
2011BS 8558:2011 Guide to the design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages. Complimentary guidance to BS EN 806
2006BS 6700:2006+A1:2009 Design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages Specification
2006BS 6700:2006 Design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages - Specification
1997BS 6700:1997 Specification for design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages