Class 019
Non-Metallic Building Material Products
Concrete; Lightweight concrete structures; Constructional members of aerated concrete for use in mining; Concrete and concrete based structures for underground mining including bulkhead structures, seal structures, ventilation structures, and structural supports; In-situ formed concrete and concrete based structures for underground mining
Class 037
Construction and Repair Services
Construction, installation and repair services in relation to in-situ formed concrete based structures for underground mining; Construction of concrete structures including those formed from aerated concrete material; Installation of underground concrete structures using an underground apparatus for providing a spray of aerated concrete material; Construction, installation and repair services in relation to underground mining structures including bulkhead structures, seal structures, ventilation structures, and structural support systems; Repair and maintenance of underground mining structures including those formed from concrete
