Reference Document - Bushfire Management Plan - 132005.638.04

                                                                                                                          9


                 the State as a bushfire hazard using a                 with that BVG vegetation structure class,
                 methodology developed by the                           provided in Figure 16 in the Bushfire
                 Commonwealth Science, Industry, Research               Resilient Communities, Technical Reference
                 Organisation (CSIRO) bushfire scientists lead          Guide for the State Planning Policy Natural
                 by Justin Leonard.                                     Hazards, Risk and Resilience – Bushfire of
                                                                        October 2019’.
                 The FFDI values that have been mapped and
                 used in the current bushfire hazard mapping            The Qld Fire Department Catalyst Redi-Portal
                 has taken into account the projected changes           maps the following bushfire characteristics
                 to the FFDI values into the future years.              around the Doonan Waste Management
                                                                        Centre administration and recycling and
                 The two documents are: -                               service areas (see Figure 8);

                     Leonard, J., Newnham, G., Opie, K., and              FFDI – 48
                      Blanchi, R. (2014) A new methodology for             VHC 9.1 Moist to dry eucalypt open
                      state-wide mapping of bushfire prone                  forests on coastal lowlands and ranges.
                      areas in Queensland. CSIRO, Australia.                VHC9.1 is attributed with a Surface fuel
                      And                                                   load of 21.0t/ha and a total fuel load of
                     Leonard, J., Opie, K. (2017) Estimating               24.2t/ha
                      the potential bushfire hazard of                     VHC 29.3 Heathlands and associated
                      vegetation patches and corridors. CSIRO,              scrubs and shrublands. VHC 29.3 is
                      Australia.                                            attributed with a surface fuel load of
                                                                            14.5t/ha and a total fuel load of 20.1t/ha.
                 The 2014 methodology and adaption by the
                 Queensland Fire Department (formally the               Table 1 below calculates the minimal
                 Qld Fire and Emergency Service) has used               separation distance that achieves a Radiant
                 the Qld Herbarium’s Broad Vegetation                   heat flux of 29kW/m2.
                 Groups (BVG) at 1:2m mapping scale along
                 Table 1 – Flamesol method Radiant heat flux calculation

                 Doonan Waste Management Centre - Minimum Distance Calculator - AS3959-2018 (Method 2)
                 (Calculated October 7, 2024, 6:50 pm (MDc v.4.9))

                                Inputs                                             Outputs
                 Fire Danger Index        48           Rate of spread                1.25 km/h
                 Vegetation               Forest       Flame length                  11.04 m
                 classification
                 Understorey fuel         21 t/ha      Flame angle                    53.5 °, 63.5 °, 72.5 °, 77.5 °, 78.5
                 load                                                                 ° & 84.5 °
                 Total fuel load          24.2 t/ha    Elevation of receiver          4.35 m, 4.83 m, 5.1 m, 5.16 m,
                                                                                      5.13 m & 4.79 m
                 Vegetation height        n/a          Fire intensity                 15,654 kW/m
                 Effective slope          .5 °         Transmissivity                 0.879, 0.863, 0.841, 0.816, 0.803
                                                                                      & 0.736
                 Site slope               .5 °         Viewfactor                     0.5971, 0.4385, 0.2966, 0.2007,
                                                                                      0.1633 & 0.0445
                 Flame width              100 m        Minimum distance to < 40       9.1 m
                                                       kW/m²

                           RFA24-059 – Noosa Land Fill and Waste Management Facility – Bushfire Management Plan

                 Rob Friend & Associates Pty Ltd                                                     10th of October 2024

Document Set ID: 23617065
Version: 1, Version Date: 05/03/2025