Cooloola Coast: Tin Can Bay, Cooloola Cove and Rainbow Beach

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Floor levels here are set from storm tide data

The Cooloola Coast is handled differently from the rest of the Gympie region. Inland, the minimum floor level for new habitable buildings in flood hazard areas is worked out from the Mary River and creek flood modelling, plus 300 mm. For Tin Can Bay, Cooloola Cove and Rainbow Beach, council sets the habitable floor level for each location from existing storm tide data. Council's online mapping has a "Habitable floor level (Cooloola Coast only)" layer (Gympie Regional Council – Flood information for new building work (opens in a new tab)).

Existing approved homes aren't subject to the new requirements just because the mapping changed. However, new habitable building work, and in some cases major renovations, are assessed against Queensland Development Code MP3.5. If you're raising a house or building in underneath, check the layer and tell your certifier early.

Ask about materials for a coastal site

If steel stumps or brackets are proposed, ask the contractor what corrosion protection and steel specification they'll use for your site. Ask whether the manufacturer's warranty has conditions for coastal locations.

Approvals

Building work on a house in the Gympie region needs a building approval, with mandatory inspections (Gympie Regional Council – Building (opens in a new tab)).

See House raising · Restumping · Stump inspections.