NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings Breadcrumb NCC National Construction Code 2022 NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings Schedule 6 Northern Territory E1 Part E1 Fire fighting equipment Part E1 Fire fighting equipment NT E1D10 Where sprinklers are required: Class 9a and 9c buildings2019: NT Table E1.5 Delete clause E1D10 and insert NT E1D10 as follows: (1) In a Class 9a health-care building used as a residential care building, sprinklers are required throughout the building and in any fire compartment containing a Class 9a part used for residential care. (2) In a Class 9a building, other than as described in (1), sprinklers are required if the building has more than one storey. (3) In a Class 9c building, sprinklers are required throughout the building and in any fire compartment containing a Class 9c part.