Reference Document - RAL26 0015 - Bushfire Hazard Assessment (As Published) · RAL26/0015

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




                                                      Calculated March 17, 2026, 9:28 pm (MDc v.4.9)

                                                                          SU1b

                                                Minimum Distance Calculator - AS3959-2018 (Method 2)

                                       Inputs                                               Outputs

                   Fire Danger Index            47              Rate of spread                1.26 km/h

                   Vegetation
                                                Forest          Flame length                  11.15 m
                   Classification

                   Understorey fuel
                                                21 t/ha         Flame angle                   54 °, 63 °, 70 °, 75 °, 76 ° & 82 °
                   load

                                                                                              4.34 m, 4.75 m, 4.92 m, 4.95 m,
                   Total fuel load              24.2 t/ha       Elevation of receiver
                                                                                              4.9 m & 4.37 m

                   Vegetation height            n/a             Fire intensity                15,866 kW/m

                                                                                              0.879, 0.864, 0.843, 0.821, 0.81 &
                   Effective slope              1°              Transmissivity
                                                                                              0.749

                                                                                              0.5922, 0.4398, 0.2961, 0.1991,
                   Site slope                   1°              Viewfactor
                                                                                              0.1616 & 0.0437

                                                                Minimum distance to < 40
                   Flame width                  60 m                                          9.2 m
                                                                kW/m²

                                                                Minimum distance to < 29
                   Windspeed                    n/a                                           12.3 m
                                                                kW/m²

                                                                Minimum distance to < 19
                   Heat of combustion           18,600 kJ/kg                                  17.7 m
                                                                kW/m²

                                                                Minimum distance to <
                   Flame temperature            1,090 K                                       24.7 m
                                                                12.5 kW/m²

                                                                Minimum distance to < 10
                                                                                              28.9 m
                                                                kW/m²




Document Set ID:©24816699
                    2026                                                     42
Version: 1, Version Date: 25/05/2026