Appendix B - Bushfire Hazard Assessment · MCU26/0099

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TABLE OF CONTENTS

ABBREVIATIONS ......................................................................................................................................................................... 4

TABLE OF CONTENTS .................................................................................................................................................................. 5

1.      INTRODUCTION ................................................................................................................................................................. 6

     1.1.       BACKGROUND ....................................................................................................................................................................... 6
     1.2.       PROPOSED DEVELOPMENT ...................................................................................................................................................... 6
     1.3.       OTHER SITE CONSTRAINTS ....................................................................................................................................................... 6
     1.4.       SUBJECT SITE DESCRIPTION...................................................................................................................................................... 6

2.      BUSHFIRE REGULATORY FRAMEWORK .............................................................................................................................. 7

     2.1.       LEGISLATIVE CONTEXT ............................................................................................................................................................. 7
     2.2.       STATE PLANNING POLICY (JULY 2017) ...................................................................................................................................... 7
     2.3.       STATE PLANNING POLICY – BUSHFIRE PRONE AREA MAPPING........................................................................................................ 8
     2.4.       PLANNING ACT 2016 ............................................................................................................................................................. 8
     2.5.       NATIONAL CONSTRUCTION CODE 2022: BUILDING CODE OF AUSTRALIA.......................................................................................... 9
     2.6.       AUSTRALIAN STANDARD: CONSTRUCTION OF BUILDINGS IN BUSHFIRE-PRONE AREAS (AS 3959-2018) ................................................. 9

3.      BUSHFIRE HAZARD ASSESSMENT METHODOLOGY ............................................................................................................ 9

     3.1.       METHODOLOGY .................................................................................................................................................................... 9
     3.2.       DESKTOP ASSESSMENT ........................................................................................................................................................... 9
     3.3.       FIELD VERIFICATION ............................................................................................................................................................. 10

4.      BUSHFIRE ASSESSMENT RESULTS ..................................................................................................................................... 10

     4.1.       FOREST FIRE DANGER INDEX (FFDI) ........................................................................................................................................ 10
     4.2.       ASSESSMENT OF SLOPE ......................................................................................................................................................... 10
     4.3.       AS3959 ASSESSMENT AND CLASSIFICATION OF VEGETATION ....................................................................................................... 11
     4.4.       VEGETATION HAZARD CLASS AND FUEL LOADS .......................................................................................................................... 12
     4.5.       BAL CALCULATION .............................................................................................................................................................. 15
     4.6.       BAL CONSTRUCTION REQUIREMENTS ...................................................................................................................................... 15
     4.7.       MAINTENANCE OF SEPARATION DISTANCES ............................................................................................................................... 15
     4.8.       EMERGENCY EVACUATION PLANNING ...................................................................................................................................... 16

5.      REFERENCED DOCUMENTS AND SOURCES ....................................................................................................................... 17

6.      APPENDIX A – SITE PLANS ................................................................................................................................................ 18

7.      APPENDIX B - BAL CALCULATIONS ................................................................................................................................... 19

8.      APPENDIX C - BAL CERTIFICATE ........................................................................................................................................ 21




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