The reason for the additional requirement is to ensure greater reliability of the sprinkler system.Ĭlause 12(e) specifies system monitoring requirements to enable a timely and appropriate response by the local fire brigade to emergencies.Ĭlause 2.10.1.3 of AS 2118.4 sets out the requirements for the installation of sprinklers in roof spaces, etc. Clause 12(d) requires the addition of a monitored main valve and control valve assembly in accordance with AS 2118.1. To ensure greater reliability of sprinkler systems in all buildings used for residential care.Ĭlause 2 of Specification E1.5 allows a sprinkler system in a Class 2 or 3 building, a Class 9a health care building used for residential care, or a Class 9c building to comply with AS 2118.4 instead of AS 2118.1. Smoke detection matters are dealt with in Part E2. total involvement of a room’s contents in a fire), thus reducing the risks to occupants. AS 2118.4 also takes into consideration the economic aspects of a sprinkler system.ĪS 2118.4 provides the requirements for sprinklers in residential buildings.Ī sprinkler system installed in accordance with AS 2118.4 is designed to prevent the fire reaching the stage at which “flashover” occurs (i.e. The sprinkler system specified under AS 2118.4 has been designed for use in low-rise residential buildings. While the scope of AS 2118.4 may not mention Class 9a buildings, this is a case where A4.1 applies and the BCA requirement overrules the limited scope in AS 2118.4. If the building exceeds this height, it must comply with AS 2118.1.
The scope of AS 2118.4 states that it only applies to those buildings containing no more than four storeys. The reason for using the term “as applicable” is that AS 2118.4 applies to low-rise Class 2, 3, 9a and 9c buildings. These clauses allow the use of Part 4 of AS 2118 for Class 2, 3, 9a and 9c buildings as appropriate.