30What is *water supply work*?

30 What is *water supply work*?

(1) Water supply work is—

(a) the construction, installation, replacement, repair, alteration, relining, maintenance, testing or commissioning of—

(i) any part of a heated or cold water service that is connected to a drinking water supply from the point of connection to the water supply to the points of discharge of the service; and

(ii) any part of a non-drinking heated or cold water service or rainwater service, from the point of connection to the water supply to the points of discharge of the service; and

(iii) any heated water service in, or on, a caravan or vessel; and

(2) Water supply work does not include—

(a) work described in subregulation (1) that is carried out in connection with the supply of piped non-drinking water for agricultural purposes unless the water is supplied by a network utility operator or other water provider; or

(b) the treatment of water used in a heated or cold water service; or

(c) refrigerated air-conditioning work; or

(d) backflow prevention work; or

(e) on and from 18 November 2019, thermostatic mixing valve work.