Bushfire Hazard Assessment & Management Plan v4 - 7 Triller Court, Pomona

Bushfire Hazard Assessment & Management Plan v4                                NCES REF: J000841
Lot 4 on SP320405 – 7 Triller Court, Pomona




Contents
1     INTRODUCTION                                                                       4

1.1 BACKGROUND                                                                                4
1.2 DEVELOPMENT PROPOSAL                                                                      4

2     SITE DESCRIPTION                                                                   5

2.1    GENERAL                                                                                5
2.2    TOPOGRAPHY                                                                             5
2.3    VEGETATION WITHIN THE SITE                                                             6
2.4    VEGETATION EXTERNAL OF THE SITE                                                        6

3     HAZARD ASSESSMENT                                                                  8

3.1 HAZARD ASSESSMENT METHODOLOGY                                                             8
3.1.1 LOCAL HAZARD AREA MAP                                                                   8
3.2 VEGETATION HAZARD CLASSES                                                                 9
3.2.1 VEGETATION HAZARD CLASS 9.1 – MOIST TO DRY EUCALYPT OPEN FORESTS ON COASTAL
LOWLANDS AND RANGES                                                                           9
3.2.2 VEGETATION HAZARD CLASS 40.4 – CONTINUOUS LOW GRASS OR TREE COVER                       9
3.2.3 VEGETATION HAZARD CLASS 41.4 – DISCONTINUOUS LOW GRASS OR TREE COVER                   10
3.3 POTENTIAL BUSHFIRE INTENSITY CLASSES                                                     12
3.4 BUSHFIRE HAZARD SUB-UNITS                                                                12
3.5 OVERALL LOCAL HAZARD MAP                                                                 12
3.6 QUANTITATIVE MODELLING                                                                   15

4     BUSHFIRE RISK ASSESSMENT                                                          19

4.1 GENERAL                                                                                  19
4.2 RISK FROM IDENTIFIED HAZARDOUS VEGETATION                                                20

5     BUSHFIRE IMPACT REDUCTION MEASURES                                                21

5.1 GENERAL                                                                                  21
5.2 ASSET PROTECTION ZONES                                                                   21
5.2.1 GENERAL                                                                                21
5.2.2 STATE PLANNING POLICY – STATE INTEREST GUIDANCE MATERIAL (NATURAL HAZARDS, RISKS AND
RESILIENCE – BUSHFIRE) DECEMBER 2019                                                         21
5.2.3 RADIANT HEAT FLUX SETBACKS                                                             22
5.2.4 RECOMMENDED APZ’S                                                                      22
5.3 WATER SUPPLY                                                                             23
5.4 FIRE BREAKS                                                                              23
5.5 VEHICULAR ACCESS                                                                         23
5.6 LANDSCAPING AND REGROWTH                                                                 24
5.7 GENERAL PROPERTY MAINTENANCE                                                             25

6 AUSTRALIAN STANDARD 3959:2018 CONSTRUCTION OF BUILDINGS IN
BUSHFIRE PRONE AREAS (AS 3959:2018) SETBACKS                                            26

7     LEGISLATION AND OVERLAYS                                                          27

7.1 NOOSA PLAN 2020 – NATURAL HAZARDS OVERLAY CODE                                           27
7.2 STATE PLANNING POLICY – NATURAL HAZARDS, RISK AND RESILIENCE                             31




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