Appendix A - Bushfire Hazard Assessment & Management Plan

Bushfire Hazard Assessment & Management Plan v1                               NCES REF: J000706
Lot 101 on SP168341 – 9a Jirrima Cres, 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




                                                                                                   DRAFT NOT FOR SUBMISSION PURPOSES
2.1 GENERAL                                                                          5
2.2 TOPOGRAPHY                                                                       5
2.3 VEGETATION                                                                       6
2.3.1 VEGETATION HAZARD CLASS 22.1 – MELALEUCA OPEN FORESTS ON SEASONALLY INUNDATED
LOWLAND COASTAL SWAMPS                                                               8
2.3.2 VEGETATION HAZARD CLASS 39.2 – LOW TO MODERATE TREE COVER IN BUILT UP AREAS    9
2.3.3 VEGETATION HAZARD CLASS 41.4 – DISCONTINUOUS LOW GRASS OR TREE COVER           9
2.4 VEGETATION EXTERNAL OF THE 150M ASSESSMENT BUFFER                               10

3   HAZARD ASSESSMENT                                                                   11

3.1 HAZARD ASSESSMENT METHODOLOGY                                                             11
3.2 LOCAL HAZARD AREA MAP                                                                     12
3.3 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                                                  20

5.1 GENERAL                                                                                20
5.2 ASSET PROTECTION ZONES                                                                 20
5.2.1 GENERAL                                                                              20
5.2.2 STATE PLANNING POLICY – STATE INTEREST GUIDANCE MATERIAL (NATURAL HAZARDS, RISKS AND
RESILIENCE – BUSHFIRE) DECEMBER 2019                                                       20
5.2.3 RADIANT HEAT FLUX SETBACKS                                                           21
5.3 WATER SUPPLY                                                                           21
5.4 FIRE BREAKS AND LOT 1 ACCESS                                                           22
5.5 VEHICULAR ACCESS                                                                       22
5.6 LANDSCAPING AND REGROWTH                                                               22
5.7 GENERAL PROPERTY MAINTENANCE                                                           23

6 AUSTRALIAN STANDARD 3959:2018 CONSTRUCTION OF BUILDINGS IN
BUSHFIRE PRONE AREAS (AS 3959:2018) SETBACKS                                            25

6.1 NOOSA PLAN 2020 – NATURAL HAZARDS OVERLAY CODE                                            25
6.2 STATE PLANNING POLICY – NATURAL HAZARDS, RISK AND RESILIENCE                              29

7   CONCLUSIONS                                                                         30

7.1 CERTIFICATION MATTERS                                                                     30

8   REFERENCES                                                                          31




© 2020                                             2