For NSW, the 3.2.0 of BCA Volume 2, requires the footing or slab be constructed in accordance with AS 2870 (except that for the purposes of Clause 5.3.3.1 of AS 2870 a damp-proofing membrane is required to be provided). Referring to your selected Class 1 or 10 building and using the project documentation you have collected: Set out the footings for the building, on-site, according to the project plans. You may undertake this task as part of a team of workers