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Construction is set to begin mid-2021 on a stabling and maintenance facility which will service the $2.4 billion Parramatta Light Rail, following the completion of a major remediation task to ensure safety for workers, community and the surrounding environment.
The work to ensure the long-term future of the site has included the installation of an underground barrier wall around the site’s perimeter and a capping layer across the site as remediation measures, and carrying out significant ground improvement works, a Transport for NSW spokesperson said.
“This remediation and ground improvement work is an important part of the preparatory works for this city-changing light rail project,” the spokesperson said.
“Transport for NSW has been diligent in selecting a best practice remediation solution for a significantly contaminated site.”
The site was previously used for a variety of industrial and chemical manufacturing purposes dating back to the 1930s and has been contaminated by substances, including:
The remediation works comprised the installation of a hydraulic barrier wall – up to 20m deep and over 1km long – around the perimeter of the site to prevent the spread of contaminants and a soil capping system with multiple layers of controls to prevent residual contamination rising to the surface. The work also included the removal of contaminated spoil and treatment of groundwater.
Ground improvement works were carried out by drilling more than 3,400 piles into the ground in close proximity to each other to enhance the load bearing capacity of the soil.
“This work is so important for the safety of the community, light rail workers and the local environment. We will not compromise on safety.”
“By 2023, this world class facility will include a control centre to operate and monitor the light rail system, and will operate 24 hours a day, seven days a week.”
The total remediation cost is $86.7 million, and total ground improvement and other works cost is $18.4 million. The contract is available at transport.nsw.gov.au/industry/contracts-awarded.
The 12km, $2.4 billion Parramatta Light Rail will connect Westmead to Carlingford via the Parramatta CBD and Camellia, with services running every 7.5 minutes in peak periods.
For more information on Parramatta Light Rail, visit parramattalightrail.nsw.gov.au.
The post Construction scheduled for Parramatta Light Rail facility appeared first on Infrastructure Magazine.
This article first appeared on infrastructuremagazine.com.au
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