Paradise Spillway Improvement Project

Under Procurement
Paradise Spillway Improvement Project

The Paradise Spillway Improvement Project will return the Paradise Dam to its original height and capacity in order to increase saftey and meet supply and demand requirements. The project will involve buttressing with mass concrete, new training walls, extending the existing downstream apron, and raising the secondary spillway. 

Key Dates

Aug 2022 Contract Award - Design
Aug 2022 Contract Award - Geotechnical Services
Aug 2022 Contract Award - Environmental Services
Dec 2024 Expected Construction Commencement

Funding contributions

Federal Government
Queensland Government


Procurement note:

The project will be delivered as an Alliance contract, with separate design and construction contractors to be appointed to deliver the project with proponent Sunwater – a Queensland Government-owned corporation.


Nov 2021 NC Economic released a report prepared for the Department of Regional Development, Manufacturing, and Water outlining the options for meeting safety and supply and demand requirements for the Paradise Dam.
Dec 2021 Following a review of the Project Options Evaluation Report, the Queensland Government announced the preferred option for the long-term future of Paradise Dam is to return the dam to its original full supply level, as part of significant safety improvement works.
Feb 2022 The Queensland and Australian Federal Governments announce that they would each be committing $600 million to the project, making the total budget $1.2 billion.
Jun 2022 The Queensland Government allocated $31 million to the project for the 2022-2023 period in the Queensland 2022-23 Budget. This forms part of Queensland's $600 million commitment to the project.
Aug 2022 The Queensland Government awarded three contracts for the project, appointing GHD to prepare the reference design for the project, Jacobs to undertake geotechnical investigations, and Epic Environmental to prepare an environmental impact assessment and applications for the necessary environment and planning approvals for the project.
Sep 2022 The Queensland Government opened an Expressions of Interest (EOIs) for the project, closing on the 31st of October.
Oct 2022 The 2022-23 October Federal Budget allocated $600 million to the project.
Estimated Total Cost
Water & Sewerage
Procurement approach
Alliance |
Queensland |
Project website
Media releases
Tender notices
EOIs - Project Alliance