Appendix F - Bushfire Hazard Assessment and Managment Report

Bushfire Report


                                                     Table of Contents

Executive Summary .............................................................................................................. 7
1.    Introduction .................................................................................................................... 8
1.1      Purpose ...................................................................................................................... 8
1.2      Subject site................................................................................................................. 8
1.3      The proposed development ........................................................................................ 8
1.4      Bushfire Prone Land ................................................................................................... 9
1.5      Scope and objectives ................................................................................................. 9
2.    Assessment Methodology ............................................................................................ 11
2.1      Desktop Assessment and Legislative ....................................................................... 11
2.2      Bushfire Hazard Assessment ................................................................................... 11
2.3      Bushfire Attack Level Assessment............................................................................ 12
3.    Legislative Context....................................................................................................... 13
3.1      State Planning Policy (July 2017) ............................................................................. 13
3.2      National Construction Code 2022: Building Code of Australia .................................. 13
3.3      AS 3959:2018 Construction of Buildings in Bushfire-Prone Area .............................. 14
3.4      Noosa Shire Council Planning Scheme .................................................................... 14
4.    Bushfire Hazard Assessment ....................................................................................... 15
4.1      Current Bushfire Hazard Mapping ............................................................................ 15
4.2      Local FFDI................................................................................................................ 15
4.3      Fire History ............................................................................................................... 16
4.4      Site-Specific Hazard Assessment ............................................................................. 16
      4.4.1      Ground Truthed VHC ....................................................................................... 18
      4.4.2      Vegetation Conditions within the proposed development ................................. 21
4.5      Probable Direction of Bushfire Attack ....................................................................... 29
4.6      Radiant Heat Flux Modelling..................................................................................... 29
4.7      Building Envelope and Asset Protection Zone .......................................................... 30
4.8      Bushfire Attack Level and Construction Requirements ............................................. 30
5.    Bushfire Management Plan .......................................................................................... 34
5.1      Bushfire Behaviours ................................................................................................. 34
      5.1.1      Topography ..................................................................................................... 34
      5.1.2      Weather Conditions ......................................................................................... 34
      5.1.3      Vegetation ....................................................................................................... 35
5.2      Potential Bushfire Impacts and Attack Mechanisms ................................................. 35
      5.2.1      Direct Flame Contact ....................................................................................... 36
      5.2.2      Radiant Heat Exposure .................................................................................... 36

Max Bushfire Protection Consulting                                                                                                  4