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Information Response - Email 1 of 2 MCU16/0153 & REC16/0041
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Table 2 - Hazard Score Vs Severity of Bushfire Hazard (Table A3.2 App 3 SPP1/03)
Slope Hazard Score
Gorges and mountains (>30%) 5
Steep hills (>20% to 30%) 4
Rolling hills (>10% to 20%) 3
Undulating (>5% to 10%) 2
Plain (0% to 5%) 1
4.2.2.3 Aspect
Aspect affects bushfire hazard due to the effects that exposure to direct sunlight has on
different vegetation communities, including the drying rates of fuels. Aspect also correlates
closely with exposure to low humidity winds that increase bushfire intensity. The intensity
and rate of spread of bushfires tends to be greater on slopes with north to westerly
aspects, although this influence is not considered to be discernible on land with a slope
less than 5%.
Figure 4 illustrates the compass degree ranges and corresponding hazard scores for each
aspect category.
Figure 4 – Hazard Score for Aspect (Figure A3.1 App 3 SPP1/03)
4.2.2.4 Combined Scores
The cumulative total of all three loading factors is used to determine a specific site’s
severity of bushfire hazard. Table 3 describes the range of SPP1/03 bushfire hazard levels
and their respective total hazard scores.
Bushfire Management Plan
February 2015 Page 12
215 David Low Way, Peregian Beach
Scanlon Property Group
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