Bushfire Risk Assessment and Risk Management Plan

                                Ecological Natural Area Management



                                                            Table of Contents
1 Executive Summary.................................................................................................................................... 5
2 Introduction................................................................................................................................................. 8
    2.1 The reasons for the Bushfire Risk Assessment and Management Plan............................................8
    2.2 Commissioning of the Bushfire Risk Assessment and Management Plan........................................8
    2.3 The aim of the Bushfire Risk Assessment and Management Plan....................................................8
    2.4 Legislative considerations................................................................................................................. 8
    2.5 Other regulatory considerations........................................................................................................ 8
3 Site description........................................................................................................................................... 9
    3.1 Location............................................................................................................................................ 9
    3.2 Zoning............................................................................................................................................... 9
    3.3 Building Code of Australia building class.......................................................................................... 9
    3.4 Applicable development codes......................................................................................................... 9
    3.5 Mapped bushfire hazard................................................................................................................. 10
    3.6 Topography..................................................................................................................................... 10
    3.7 Area of the lots................................................................................................................................ 10
    3.8 Climate............................................................................................................................................ 10
4 Site vegetation assessment..................................................................................................................... 11
    4.1 Site aerial photography................................................................................................................... 11
    4.2 Mapped Remnant Regional Ecosystems........................................................................................ 12
    4.3 Visually assessed vegetation communities – terrestrial photography.............................................13
    4.4 Map of visually assessed vegetation.............................................................................................. 14
5 Conservation significance of the vegetation.......................................................................................... 15
   5.1 Conservation significance of the vegetation from Queensland Vegetation Management Act..........15
   5.2 Conservation significance of the vegetation from The Noosa Plan.................................................15
6 Bushfire risk assessment........................................................................................................................ 16
   6.1 Assessment of the Potential Bushfire Impact using the methodology for state-wide mapping of
   bushfire prone areas................................................................................................................................ 16
   6.2 Derivation of inputs for assessment of the Potential Bushfire Intensity Class.................................17
   6.3 Potential Bushfire Intensity Class for ranges of bushfire fireline intensities....................................17
   6.4 Tabulation of the Potential Bushfire Intensity Class........................................................................18
   6.5 Potential Impact Buffer.................................................................................................................... 19
   6.6 Map of the areas of Potential Bushfire Impact classes and class buffers.......................................19
   6.7 Assessment of bushfire prone area................................................................................................ 19
7 Assessment of the Bushfire Attack Level...............................................................................................20
   7.1 Assessment of the Bushfire Attack Level: Methodology..................................................................20
   7.2 Modelled bushfire attacks............................................................................................................... 20
   7.3 Assessment of fuel loads................................................................................................................ 20
   7.4 Forest Fire Danger Index................................................................................................................ 22
   7.5 Parameters used in the bushfire behaviour modelling....................................................................22
   7.6 Results of bushfire attack modelling: Bushfire Attack Levels and escape routes............................23
8 Bushfire risk management solutions and recommendations...............................................................24
   8.1 Bushfire hazard mitigation recommendations: Considerations.......................................................24
   8.2 Recommendations for the Noosa Plan Bushfire Overlay Code......................................................24
   8.3 Recommendations for Australian Standard AS3959.......................................................................25
   8.4 Recommendations for siting and landscaping................................................................................25

Bushfire Risk Assessment and Management Plan for a house at 15 Jirrama Cr, Cooroibah                                                         November 2021

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