Reference Document - Bushfire Risk Assessment & Bushfire Risk Management Plan

                                Ecological Natural Area Management


                                                              Table of Contents
1 Executive Summary.................................................................................................................................... 5
2 Introduction................................................................................................................................................. 7
    2.1 The reasons for the Bushfire Risk Assessment and Management Plan............................................7
    2.2 Commissioning of the Bushfire Risk Assessment and Management Plan........................................7
    2.3 The aim of the Bushfire Risk Assessment and Management Plan....................................................7
    2.4 Legislative considerations................................................................................................................. 7
    2.5 Other regulatory considerations........................................................................................................ 7
3 Site description........................................................................................................................................... 8
    3.1 Location............................................................................................................................................ 8
    3.2 Zoning............................................................................................................................................... 9
    3.3 Area of the lot.................................................................................................................................... 9
    3.4 Building Code of Australia building class.......................................................................................... 9
    3.5 Applicable development codes......................................................................................................... 9
    3.6 Topography....................................................................................................................................... 9
    3.7 Mapped bushfire hazard................................................................................................................... 9
    3.8 Climate.............................................................................................................................................. 9
4 Site vegetation.......................................................................................................................................... 10
    4.1 Queensland Globe aerial photography........................................................................................... 10
    4.2 Mapped Remnant Regional Ecosystems........................................................................................ 11
    4.3 Visually assessed vegetation communities ....................................................................................12
    4.4 Map of the visually assessed vegetation.........................................................................................13
5 Conservation significance of the vegetation.......................................................................................... 14
   5.1 Conservation significance of the vegetation from Queensland Vegetation Management Act..........14
   5.2 Conservation significance of the vegetation from the The Noosa Plan...........................................14
6 Bushfire risk assessment........................................................................................................................ 15
   6.1 Assessment of the Potential Bushfire Intensity Class.....................................................................15
   6.2 Derivation of inputs for assessment of the Potential Bushfire Intensity Class.................................16
   6.3 Tabulation of the Potential Bushfire Intensity Class........................................................................18
   6.4 Potential Impact Buffer.................................................................................................................... 19
   6.5 Map of Potential Bushfire Impact classes and class buffers...........................................................19
   6.6 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................................................................................................................ 21
   7.4 Forest Fire Danger Index................................................................................................................ 22
   7.5 Parameters used in the bushfire behaviour modelling....................................................................22
   7.6 Results of bushfire attack modelling...............................................................................................23
   7.7 Bushfire Attack Levels for each building elevation..........................................................................23
   7.8 Assessment of vegetation clearing.................................................................................................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.......................................................................24
   8.4 Recommendations for siting and landscaping................................................................................25
   8.5 Recommendations for lodgement points for burning debris............................................................25
   8.6 Recommendations for on-going management of buildings & landscaping......................................26

Bushfire Risk Assessment and Management Plan for a house at 64 Pheasant Lane, Doonan                                                        September 2020

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