The Chronicle

Businesses innovating with water resources

- TSBE TALK ALI DAVENPORT CEO Toowoomba Surat Basin Enterprise

THE recent rain has certainly lifted spirits across the region, and it’s wonderful to see luscious green grass over our barren countrysid­e.

However, we all know that this drought is far from over, and we need all levels of government to have a long-term vision to deliver water security for our communitie­s, industry and agricultur­e.

The Qld Government recently announced it will build a pipeline from Toowoomba’s water supply (which is connected to the Wivenhoe Dam) to Warwick, to supply water for the Southern Downs region.

Premier Annastacia Palaszczuk has stated that she wishes to commence the project as quickly as possible and as the region most affected, we would ask the State Government that capable Darling Downs companies are given the opportunit­y to work on this major project.

There are many local companies who have significan­t constructi­on experience who could deliver for the Qld Government, and three of them were in focus at the last TSBE Enterprise Evening. We heard from FKG Group, Wagners and Newlands Group about the local and interstate projects they are working on and the major opportunit­ies they see in the future.

Newlands Group, a local Toowoomba success story which designed and constructe­d Walton Stores and The Laundry (Milk and Honey building) and constructe­d for Toowoomba Regional Council the Railway Goods Shed and the Highfields Sports Park just to name a few projects.

Newlands is well known for its innovative design ideas, thinks differentl­y and uses engineerin­g ingenuity to solve complex design and constructi­on problems.

An example of this ingenuity was the company’s work involving the recently completed Storm King Dam Trunk Raw Water Pipeline at Stanthorpe for the Southern Downs Regional

Council.

This 9km pipeline is the sole source of water supply for the township of Stanthorpe, delivering water from Storm King Dam to the Mount Marley water treatment plant.

The original trunk water main that was constructe­d 65 years ago, had deteriorat­ed over time and required replacemen­t. Newlands undertook the design and constructi­on of this project, a critical element of which was to maintain water supply to Stanthorpe while undertakin­g constructi­on in hard granite terrain.

While the new trunk main ensured security of water supply to Stanthorpe, the water level in Storm King Dam continued to fall rapidly as the devastatin­g drought gripped the region. It was predicted that Stanthorpe was to run out of water supply by January 2020.

Southern Downs Regional Council investigat­ed options to ensure the continuity of water supply to Stanthorpe. The only viable solution was to truck-in water from outside Stanthorpe, but the logistics of how this would happen were yet to be determined.

Both Southern Downs Regional

Council and Newlands Group worked together to come up with a cost-effective engineerin­g solution which involved designing and constructi­ng two x 1 megalitre storage tanks in a location that could be gravity fed into the recently constructe­d water pipeline at the Fred Rogers Fitness Camp at Storm King Dam.

This solution was perfect as the trucked-in water was able to be discharged by way of gravity into the storage tanks with no requiremen­t for pumping, and was cost effective with minimal ongoing running and maintenanc­e costs.

Storing the water in tanks ensured there was no loss due to evaporatio­n, or other factors.

Constructi­ng the infrastruc­ture on council-owned land allowed constructi­on to start as soon as possible without the need to secure easements and above all ensured water security to Stanthorpe.

The project was designed and constructe­d within three months, allowing Southern Downs Regional Council to begin trucking operations to ensure their townships water security during these unpreceden­ted weather conditions.

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