Section 125 of the Strata Schemes Management Act and Regulation 32 deal with items left on common property.
The Regulation sets out the requirements that have to be met to dispose of an item left on common property. In this context that would mean putting a disposal notice on the item setting out certain things including the date and time of the issue of the notice and description of the item, and that the item will be removed and disposed of not earlier than 5 days from the date of the notice.
Para 4 of the Regulation deals with an item that is blocking an entrance or exit:
If the goods are so placed that they block an entrance or exit, the owners corporation may move the goods to another place on the common property before placing a disposal notice on or near the goods, and for that purpose the owners corporation is taken to be the owner of the goods.