1. Water plumbing:
Installation, removal, repair and maintenance of hot and cold water pipes and fittings.
2. Sanitary plumbing:
Installation, removal, renewal, repair and maintenance of pipes,
including ventilation of those pipes and fittings to receive and convey
sewage.
3. Drainage:
Installation, removal, repair and maintenance of stormwater and waste pipes and fittings.
4. Mechanical services:
Work on heating, cooling or ventilation of buildings which may
include installation, removal, repair and maintenance of pipes, valves,
regulators, tanks, evaporative cooling, ventilation and air conditioning
systems
