07/2555 - Operational Works - Drainage Stormwater Vegetation [As Published] · 142007.2555

 

 

 

Bushfire Management Plan

Lot 27 RP 89506

measure for fire history and uses decreased scores for aspect and increased scores for

vegetation.

A comparison of the two systems is shown in Table |.

Table 1. Comparison of methods for assessing potential bushfire hazard — 1993 system
as defined by the Queensland Department of Housing, Local Government and Planning
(1993) and the 2003 system as defined by the Queensland Department of Local

Government and Planning (2003).

 

 

 

 

 

1993 System 2003 System
Slope Points Slope Points
> 30% 5 < 30% 5
20-30% 4 20-30% 4
10-20% 30 10-20% 3
3-10% 2 5-10% 2
0-3% 4 0-5% 1
Aspect Aspect
N-NW 5 N-—NW 3.5
NW —-W 4 NW —-W 3
N,W-S 3 W-S 2
N-E 3 N-E 1
E-S,$ 2 E--S, all areas < 5% 0
Fire History
Frequent 1-3 years 4
Common 4-6 years 3
Occasional 7-10 yr 2
Rare >10 years 1
Vegetation
Rainforest/Riparian 2 WS, tali euc >30 m 10
Dune Plain 2 Eucalypt with dry 8
shrub layer
Dry Rainforest (hoop pine) 2 Eucalypt with grass 6
grasslands ‘layer
Grasslands 1 Grasslands (grazed or 2
slashed)
Eucalypt forests 3-5 Rainforest 0
Hazard Severity Hazard Severity
Extreme 14+ High 13+
Bushfire prone 11-13 Medium 6-12.5
Not significant 1-10 Low 1-5.5

 

 

03-099 Bushfire Management Plan

 

 

 

 

 

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THE CONSULTANCY BUREAU

Commercial in Confidence

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