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.
Print page. Defence is the largest procurement agency in the Commonwealth and is responsible for some of Australiaâs most complex procurement activities. Defence engages with industry to deliver value for money procurement outcomes in order to support departmental and Australian Defence Force capability.