If outdoor air is used to provide combustion air to the appliances, there are two test conditions for the combustion appliance assessment: equipment-off and equipment-on. With the equipment off, verify that the CO level in the zone is below the alarm limit and that there is no natural gas leakage.
Defence Industries Queensland: 1  supports national and international prime contractors to find defence capabilities. 2  helps companies working or wishing to work in defence to up-skill and make connections with defence contractors and suppliers. 3  assists the Australian Defence Force to expand its presence in Queensland.
Queensland is the second-largest and third-most-populous state in the Commonwealth of Australia. Situated in the north-east of the country, it is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean. The state is the world's sixth largest sub-national entity, with an area of 1,852,642 km2. Queensland has a population of 4,750,500, concentrated along the coast and particularly in the state's South East. The capital and largest city in the state is Brisbane, Australia's third largest city. Often referred to as the Sunshine State, Queensland is home to 10 of Australia's 30 largest cities and is the nation's third largest economy.