Plumbing Services

**Exclusions/References:** - Units mainly engaged in - (a) the construction of sewerage or stormwater drainage systems are included in Class 3109 Other Heavy and Civil Engineering Construction; - (b) installation of fire sprinkler systems are included in Class 3234 Fire and Security Alarm Installation Services; - (c) repairing gas appliances are included in Class 9421 Domestic Appliance Repair and Maintenance; and - (d) pumping or cleaning septic tanks are included in Class 2921 Waste Treatment and Disposal Services. **Primary Activities:** - Drain construction or repairing (except sewerage or stormwater drainage systems) - Gas plumbing - Guttering, roof, installation or repair - Hot water system installation - Installation of domestic water recycling equipment - Plumbing (except marine) - Repair of installed plumbing - Septic tank installation (including repair) - Solar hot water system installation