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Bushfire Hazard Assessment Management Plan v2 - 434 Lake Cooroibah Rd Lake Cooroibah v1 · RAL26/0015

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Bushfire Hazard Assessment & Management Plan v2                                               NCES REF: J001445
434 Lake Cooroibah Rd Lake Cooroibah, QLD




                                   Calculated March 12, 2026, 12:36 am (MDc v.4.9)

                                                        SU2

                               Minimum Distance Calculator - AS3959-2018 (Method 2)

                      Inputs                                              Outputs

   Fire Danger Index               47               Rate of spread                      1.41 km/h

      Vegetation
                                  Forest             Flame length                        12.59 m
     Classification

    Understorey fuel
                                 23.4 t/ha           Flame angle            54 °, 64 °, 72 °, 77 °, 78 ° & 84 °
         load

                                                                             4.91 m, 5.41 m, 5.63 m, 5.62 m,
     Total fuel load             28.4 t/ha       Elevation of receiver
                                                                                    5.55 m & 4.76 m

   Vegetation height               n/a               Fire intensity                   20,748 kW/m

                                                                           0.876, 0.859, 0.835, 0.809, 0.796 &
    Effective slope                 1°              Transmissivity
                                                                                          0.732

                                                                             0.5999, 0.4414, 0.2982, 0.2025,
         Site slope                 1°                Viewfactor
                                                                                    0.1648 & 0.0448

                                               Minimum distance to < 40
      Flame width                 100 m                                                  10.3 m
                                                      kW/m²

                                               Minimum distance to < 29
         Windspeed                 n/a                                                    14 m
                                                      kW/m²

                                               Minimum distance to < 19
  Heat of combustion           18,600 kJ/kg                                              20.6 m
                                                      kW/m²

                                                Minimum distance to <
   Flame temperature             1,090 K                                                 29.3 m
                                                    12.5 kW/m²

                                               Minimum distance to < 10
                                                                                         34.9 m
                                                      kW/m²




© 2026                                                    43

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