The decision to burn DPHB8 on 31 March 2004 was made in the following broad context:
(a) the area was nearby to a significant town, Pemberton, and formed part of an important National Park. The burn had a high strategic value in the prescribed burning programme;
(b) the area had a fuel load of 73 - 93 tonnes per hectare, when the limit at which wildfire in karri forest can generally be controlled in most weather conditions is under 19 tonnes per hectare;
(c) the area also had tactical value within the overall burning programme in that, once burned, it would provide an area of low fuel from which to burn other very high fuel areas to the south;
(d) it was in dense karri forest with predominantly K1 and K2 understorey, which meant that there was a limited opportunity effectively and safely to carry out a burn. Essentially, its location and vegetation meant that it could not be properly burned at any time in the period May to at least mid-December inclusive, it was likely to become unsuitable for burning at some time in April and even in January to March/mid-April there was no assurance of favourable wind and weather conditions;
(e) it was a burn which had been introduced as part of the Master Burn Plan into the six-season burn programme in 1999, and which had remained unburned for several years because of resource limitations and the absence of favourable burning conditions;
(f) the forecast weather conditions for the period 31 March to 3 April 2004 indicated that the burn could be conducted safely and effectively within that period;
(g) the burn would serve important objectives, in accordance with the Forest Management Plan. The objectives, referred to in the burn prescription, were the protection against wildfire damage to nearby private property, and to the mature forest within the Warren National Park, and to park facilities, and also to visitors who used the park for recreational purposes, and the protection and maintenance of the biodiversity processes and ecological values;
(h) if the burn was delayed, there was no guarantee that a combination of propitious conditions and adequate resources would converge to ensure that the burn occurred in the following year, or even in subsequent years;
(i) there had been a backlog of prescribed burning and the State had recently (in 2003) experienced its worst bushfires for many years and there had also been, at a national level, the experience of the terrible bushfires in Canberra, New South Wales and Victoria in 2002/2003;
(j) the south-west forests are fire-prone, and are at real risk of wildfire from both lightning and anthropogenic causes;
(k) wildfire has potentially devastating consequences, including loss of life and destruction of private and public assets and the environment; and
(l) prescribed burning is the cheapest and most ecologically sound way to reduce fuel loads, and thereby to reduce the risk of uncontrollable high-intensity wildfires [406].