Description

Building Code Clause C3 Fire affecting areas beyond the source, regards vertical or horizontal fire spread, and surface finishes. This clause requires design and construction for a low probability of injury or illness to people not in close proximity to a fire source. It ensures upper floors and other property are protected from external vertical fire spread. It includes requirements for all buildings against fire spread to other property vertically or horizontally across a relevant boundary. The clause specifies performance criteria that must be met, for example, about materials used as internal surface linings/finishes, for external walls within 1m of a boundary, and for buildings not protected with an automatic sprinkler system. C1 provides objectives for each of the C clauses.