9.5.22 Bushfire Hazard Assessment Management Plan v2 - 60 Glenridge Drive COOROIBAH

Bushfire Hazard Assessment & Management Plan v2                             NCES REF: J001001
Lot 47 on RP860577 – 60 Glenridge Drive, Cooroibah




Contents
1     INTRODUCTION                                                                    4

1.1 BACKGROUND                                                                             4
1.2 STATE PLANNING POLICY BUSHFIRE INTENSITY OVERLAY MAP                                   4
1.3 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 22.1 – MELALEUCA OPEN FORESTS ON SEASONALLY INUNDATED
LOWLAND COASTAL SWAMPS                                                                    9
3.2.2 VEGETATION HAZARD CLASS 39.2 – LOW TO MODERATE TREE COVER IN BUILT UP AREAS         9
3.2.3 VEGETATION HAZARD CLASS 40.4 – CONTINUOUS LOW GRASS OR TREE COVER IN BUILT UP AREAS
        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                                                       17

4.1 GENERAL                                                                               17
4.2 RISK FROM IDENTIFIED HAZARDOUS VEGETATION                                             18

5     BUSHFIRE IMPACT REDUCTION MEASURES                                             19

5.1 GENERAL                                                                               19
5.2 ASSET PROTECTION ZONES                                                                19
5.2.1 GENERAL                                                                             19
5.3 WATER SUPPLY                                                                          20
5.4 FIRE BREAKS                                                                           21
5.5 VEHICULAR ACCESS                                                                      23
5.6 LANDSCAPING AND REGROWTH                                                              23
5.7 GENERAL PROPERTY MAINTENANCE                                                          24

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

8     CONCLUSIONS                                                                    33




© 2022                                               ii