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.
Electricity was supplied in Charters Towers in 1897, Toowoomba in 1905, Warwick in 1912 and Barcaldine in 1915, each by a local power station. Ipswich was supplied by CEL building Queensland's first significant transmission line, a 5 kV line extending 40 km to the town in 1917. list of Queensland's active power stations and their fuel source/s is available here. New coal fired base load stations have opened at Callide C (2001), Millmerran (2002), Tarong (2003) and Kogan Creek (2007), the latter being the largest single generator in Australia.