Compiled Plans & Documents OPW18-0342 02

                                                                    Retirement Living & Aged Care Facility
                                                                           Grasstree Court, Sunrise Beach

bearing on the likely behaviour and intensity of a bushfire and how these factors can combine to
impact upon nearby buildings.

The Australian Standard adopts six distinct BAL categories including a ‘low’ category for areas where
bushfire risk is limited, these categories are outlined at Figure 10. The categories are based upon
the level of radiant heat flux which may be experienced during a bushfire event measured at the
building façade and generally relates to how close or far a building is from classifiable vegetation.
These BAL classifications translate to specific building construction requirements to enhance the
ability of building occupants and the building itself to withstand bushfire attack.

It is noted a draft revised version of the Standard was released for public comment in late 2017 and
is excepted to be implemented in the first quarter of 2019. As the document remains draft in its
current context and has since been amended, this assessment does not provide any assessment
against the draft version of the Standard released in 2017 however, it is acknowledged dwellings
constructed in Stages 2-5 will likely be subject to the newer version of the Standard, upon its
introduction.




                      Figure 8 - Excerpt from AS3959-2009 (Source: Standards Australia, 2011)




Status: Final                                                                                    March 2019
Project No.: 18-030                                                                                 Page 24