080623 BlueCare Bushfire Assessment Report_Iss B_screen version.pdf [As Published] · 132008.1128

                                                                                    Bushfire Protection Assessment
                                                                                                          BlueCare
                                                                                   Grass Tree Court, Sunrise Beach

Assumptions for Calculations




The following assumptions were adopted for quantification of the design fire (credible worst case scenario).
Assumed values are listed below:

Vegetation:                              Short Heathland & Tall Heathland


Effective Slope (degrees):               1 - flat


Separation Distance (m):                 15


Flame Width (m):                         100


Flame Angle (degree):                    81


Flame Temperature (K):                   1090


Flame Emissivity:                        0.95


Overall Fuel Load (t/ha):                15 (low heath) 25 (tall heath)


Relative Humidity (%):                   25


Ambient Temperature (K):                 308


Heat of Combustion (kJ/kg):              18600


Elevation of Receiver (m):               3.82


Fire Run (km):                           >1km




                                                                                                               23
                                                © 23 June 2008
                                                Reference: 1285