Bushfire Risk Assmt & Risk Mngt Plan for house at 8 Hinterland Cl, Tinbeerwah Revision 1 June 2022 ENAM

                                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................................................................................................................. 8
    2.5 Other regulatory considerations........................................................................................................ 8
3 Site description........................................................................................................................................... 8
    3.1 Location............................................................................................................................................ 8
    3.2 Zoning............................................................................................................................................... 8
    3.3 Building Code of Australia building class.......................................................................................... 9
    3.4 Applicable development codes......................................................................................................... 9
    3.5 Topography....................................................................................................................................... 9
    3.6 Area of the lot.................................................................................................................................... 9
    3.7 Mapped bushfire hazard................................................................................................................... 9
4 Site vegetation assessment..................................................................................................................... 10
    4.1 Site aerial photography................................................................................................................... 10
    4.2 Mapped Regional Ecosystems........................................................................................................ 11
    4.3 Visually assessed vegetation – terrestrial photography..................................................................12
    4.4 Map of visually assessed vegetation.............................................................................................. 13
5 Bushfire risk assessment........................................................................................................................ 14
   5.1 Assessment of the Potential Bushfire Impact using the methodology for state-wide mapping of
   bushfire prone areas................................................................................................................................ 14
   5.2 Derivation of inputs for assessment of the Potential Bushfire Intensity Class.................................15
   5.3 Tabulation of the Potential Bushfire Intensity Class........................................................................16
   5.4 Map of the areas of Potential Bushfire Impact classes...................................................................17
   5.5 Assessment of bushfire prone area................................................................................................ 17
6 Assessment of APZ, Radiant Heat and Bushfire Attack Level..............................................................18
   6.1 Assessment of Asset Protection Zones and Radiant Heat Loads...................................................18
   6.2 Modelled bushfire attacks............................................................................................................... 18
   6.3 Bushfire parameters used in the bushfire behaviour modelling......................................................18
   6.4 Results of bushfire attack modelling...............................................................................................19
   6.5 Assessment of the minimum Asset Protection Zone ......................................................................19
   6.6 Bushfire Attack Levels for each building elevation..........................................................................19
7 Bushfire risk management solutions and recommendations...............................................................20
   7.1 Bushfire hazard mitigation recommendations: Considerations.......................................................20
   7.2 Recommendations for Part E: Natural hazards of Qld State Planning Policy 2017........................20
   7.3 Recommendations for Australian Standard AS3959.......................................................................20
   7.4 Recommendations for the Noosa Plan 2020 Bushfire Overlay Code.............................................21
   7.5 Recommendations for siting and landscaping................................................................................21
   7.6 Recommendations for lodgement points for burning debris............................................................21
   7.7 Recommendations for on-going management of buildings and landscaping..................................22
8 References................................................................................................................................................ 23


Bushfire Risk Assessment and Management Plan for a house at 8 Hinterland Cl, Tinbeerwah                                                             June 2022

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