21What is *mechanical services work*?

21 What is *mechanical services work*?

(1) Mechanical services work is—

(a) the construction, installation, replacement, repair, alteration, maintenance, testing or commissioning of a mechanical heating, cooling or ventilation system in a building, which is associated with the heating, cooling or ventilation of that building, and includes—

(i) any valve, regulator, register, pipe, duct, flue, tank, heating or cooling pipe or surface, boiler, burner, solid fuel heater, coil or other item that is used in the system; and

(ii) in the case of a cooling tower, any water pipe, valve, pump, automated dosing device or automated bleeding device or any other mechanical component that affects the cooling tower's cooling water flow rate or wastewater disposal; and

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

(iv) until 18 November 2019, any single head split system; and

(b) the construction, installation, replacement, repair, alteration, maintenance, testing or commissioning of any fixed component used in a reticulation system for the supply or removal of medical gases from the gas source to the wall outlet; and

(c) on and from 18 November 2019, the installation, commissioning and any incidental design work that is associated with the installation and commissioning of—

(i) any part of a single head split system; or

(ii) a ceiling cassette system; or

(iii) an add-on condenser unit for a ducted system—

that is associated with the heating and cooling of a building; and

(d) any design work that is incidental to, or associated with, any work described in paragraphs (a) and (b).

(2) Mechanical services work does not include—

(a) gasfitting work; or

(b) any work on a cooling tower drift eliminator; or

(c) any treatment of cooling or heating water; or

(d) any cleaning of a cooling tower; or

(e) disassembly or reassembly of a flue terminal for the purposes of cleaning a solid fuel heater; or

(f) the connection or disconnection of a system referred to in subregulation (1) from a water supply other than disconnection of the system from a water supply at an isolating valve adjacent to a mechanical component of that system.

Reg. 22 substituted by S.R. No. 102/2023 reg. 27.