Plumbing Regulations 2018

Sanitary work is—

the construction, installation, replacement, repair, alteration, maintenance, relining, testing or commissioning of any part of an above-ground sanitary plumbing system to connect sanitary fixtures and appliances to a holding tank, wastewater treatment system or a below-ground sanitary drainage system and includes—

any fixture or appliance in, or on, a caravan or vessel that is connected to a holding tank, wastewater treatment system or a below‑ground sanitary drainage system; and

any roof sheeting and roof flashing that is necessary for the purpose of any work described in this subregulation; and

any design work that is incidental to, or associated with, any work described in paragraph (a).

Sanitary work does not include—

water supply work; or

drainage work; or

the installation of a bath or shower base other than the connection of a waste outlet to an above-ground sanitary plumbing system or a below-ground sanitary drainage system.