Appendix D - Bushfire Risk Assessment and Management Plan

                                Ecological Natural Area Management




                                                            Table of Contents
1 Executive Summary.................................................................................................................................... 5
2 Introduction................................................................................................................................................. 8
    2.1 Commissioning of the Bushfire Risk Assessment and Management Plan........................................8
    2.2 The aim of the Bushfire Risk Assessment and Management Plan....................................................8
    2.3 Legislative considerations................................................................................................................. 8
    2.4 Other regulatory considerations........................................................................................................ 8
3 Site description........................................................................................................................................... 9
    3.1 Location............................................................................................................................................ 9
    3.2 Zoning............................................................................................................................................. 10
    3.3 Applicable development codes....................................................................................................... 10
    3.4 Topography..................................................................................................................................... 10
    3.5 Mapped Bushfire Hazard................................................................................................................ 10
4 Site vegetation assessment..................................................................................................................... 11
    4.1 Drone aerial photography................................................................................................................ 11
    4.2 Mapped Remnant Regional Ecosystems........................................................................................ 12
    4.3 Visually assessed vegetation ......................................................................................................... 13
    4.4 Map of the visually assessed vegetation.........................................................................................14
5 Bushfire risk assessment........................................................................................................................ 15
    5.1 Assessment of the Potential Bushfire Intensity Class.....................................................................15
    5.2 Derivation of inputs for assessment of the Potential Bushfire Intensity Class.................................16
    5.3 Potential Bushfire Intensity Class for ranges of bushfire fireline intensities....................................16
    5.4 Tabulation of the Potential Bushfire Intensity Class........................................................................18
    5.5 Potential Impact Buffer.................................................................................................................... 18
    5.6 Map of the areas of Potential Bushfire Impact classes...................................................................19
    5.7 Assessment of Bushfire Prone Area............................................................................................... 19
6 Assessment of Asset Protection Zones, Radiant Heat Loads and Bushfire Attack Level..................20
    6.1 Assessment of Asset Protection Zones and Radiant Heat Loads...................................................20
    6.2 Modelled bushfire attacks............................................................................................................... 21
    6.3 Assessment of radiant heat shielding.............................................................................................22
    6.4 Bushfire parameters used in the bushfire behaviour modelling......................................................22
    6.5 Map of the assessed Bushfire Attack Levels...................................................................................24
    6.6 Assessment of the minimum Asset Protection Zone ......................................................................24
7 Bushfire risk management solutions and recommendations...............................................................25
    7.1 Bushfire hazard mitigation recommendations: Considerations.......................................................25
    7.2 Recommendations for the Noosa Plan Bushfire Overlay Code......................................................25
    7.3 Recommendations for Australian Standard AS3959.......................................................................25
    7.4 Recommendations for siting and landscaping................................................................................26
    7.5 Recommendations for lodgement points for burning debris............................................................26
    7.6 Recommendations for on-going management of the buildings & landscaping................................27
8 References................................................................................................................................................ 28
9 Appendices................................................................................................................................................ 29
    9.1 Appendix 1: Regional Ecosystem full descriptions..........................................................................29
    9.2 Appendix 2: Qualifications and experience of the author................................................................31
    9.3 Appendix 3: The fire run paper by Tan (2006).................................................................................32




Bushfire Risk Assmnt & Mngt Plan for a “Community housing” development at 55 Carpenters Rd, Cooroy                                             February 2022

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