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



fuel loads have been assumed for assessment purposes.

3.2       Vegetation Hazard Classes
The following vegetation hazard classes (classified in accordance with QFES (2019)) were identified
within the assessment area which includes a 150m buffer surrounding the site:
      •    Vegetation Hazard Class 22.1 – Melaleuca open forests on seasonally inundated lowland
           coastal swamps;
      •    Vegetation Hazard Class 39.2 - Low to moderate tree cover in built-up areas; and
      •    Vegetation Hazard Class 40.4 – Continuous low grass or tree cover.
The characteristics of each observed vegetation hazard class are described in the following sections
whilst Plan No. BF01 – Vegetation Hazard Classes depicts their distribution across the assessment
area.

3.2.1      Vegetation Hazard Class 22.1 – Melaleuca open forests on seasonally inundated
           lowland coastal swamps
Vegetation Hazard Class 22.1 (VHC 22.1) is the dominant vegetation type in the assessment area.
The canopy has attained an average height of 10-15m and is dominated by Melaleuca quinquenervia
(broad-leaved paperbark), but also contained scattered Lophostemon suaveolens (swamp box),
Glochidion ferdinandi (cheese tree), and Eucalyptus racemosa (scribbly gum). It was also noted
remnant (15-20m) Corymbia intermedia (pink bloodwood) were also present in the canopy at low
densities scattered across the community.
The mid-storey was dominated by Allocasuarina littoralis (black she-oak) and Wattle spp.
The understorey is dominated by a range of native grass and sedge species, with areas of localised
native shrub species.
VHC 22.1 is attributed a potential combined surface fuel load of 23.4 t/ha and a potential total fuel
load of 28.4 t/ha (QFES, 2019). Plate 5 depicts typical conditions within VHC 22.1.




                                  Plate 5 – Characteristic vegetation within VHC 22.1

3.2.2      Vegetation Hazard Class 39.2 – Low to moderate tree cover in built up areas
Vegetation Hazard Class 39.2 (VHC 39.2) is characterised by periodically slashed grassland with
low density woody vegetation. VHC 39.2 is attributed a potential combined surface fuel load of 5 t/ha
and a potential total fuel load of 8 t/ha (QFES, 2019). Plate 6 depicts typical conditions within
VHC 39.2.




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