Water plumbing services

**Includes:** - installation services involving primary hot- and cold-water piping systems (i.e. plumbing), including sprinkler installation - installation services of fixed sanitary ware - associated plumbing work services - installation services of pressurized water supplies for firefighting (including fire plugs with hose and spout)

**Excludes:** - installation services of space heating apparatus, including associated pipe work, cf. 54631