Blue Lake Pumping Station Modifications, Mount Gambier

The existing Blue Lake Pumping Station was commissioned in the early 1970s to be the primary supply of water to Mount Gambier and the surrounding districts in South Australia.

The pumping station is located on the northern side of the Blue Lake and consists of a floating pontoon structure (that pumps water to the bank of the Blue Lake), a secondary pumping station and anchor block (that pump the water up to the top of the crater), and associated infrastructure.

Monitoring has shown that the water level in Blue Lake is falling. The existing pontoon structure had a low water level limitation at which the pontoon structure would be grounded, therefore effectively rendering the pumping station inoperable.

GHD was commissioned to investigate options for extending the life of the water supply infrastructure, and following selection of the prepared option undertake the design, documentation and construction phase services for the project. The project involved relocation of the pumping infrastructure, which presented a number of challenges due to the lack of access and the location of the infrastructure on the face of the Blue Lake crater.

GHD worked with the contractors to incorporate construction issues and project risks into the design. The relocation of the infrastructure was completed in August 2008, and the project has extended the life of Mount Gambier’s water supply for at least an additional 25 to 50 years.

Water

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As the world’s population grows and our standards of living improve so does our need to manage the water in our environment. We need to maximise its application for human well-being and minimise impact on the environment. GHD engineers, scientists and planners can provide sustainable, cost-effective and innovative water solutions.  We assist water utilities and others who provide water services to optimise infrastructure and adapt to environmental changes in ways that balance the needs of our communities. And we enable clients to meet compliance, improve profitability and maintain their commitment to sustainability.

GHD continually expands the boundaries by engaging in research, enhancing existing systems and strategies, evaluating new procedures and transferring technology from other industries into the water industry. We work with our clients through all project stages planning, investigation, design, delivery, operation and renewal.

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Water Sciences

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Our reliance on the ecosystem services provided by marine, freshwater and estuarine environments demands a proactive approach to our sustainable use of these assets.

Our water sciences services integrate scientific knowledge with  engineering and economic services to provide innovative, cost-effective  management solutions.

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