Part G1 Minor structures and components Part G2 Boilers, pressure vessels, heating appliances, fireplaces, chimneys and flues Part G3 Atrium construction Part G4 Construction in alpine areas Part G5 Construction in bushfire prone areas Part G6 Occupiable outdoor areas Part G7 Livable housing designSA Part G8 Access for maintenanceSA Part G9 Miscellaneous provisionsSpecification 30 Installation of boilers and pressure vesselsSpecification 31 Fire and smoke control systems in buildings containing atriumsSpecification 43 Bushfire protection for certain Class 9 buildings