The APLNG Project is designed to transport coal seam gas (CSG) from Australia’s largest reserves in the Surat and Bowen basins, Queensland, to a proposed 14 MMt/a LNG processing plant to be constructed at Laird Point on Curtis Island, Gladstone. CSG will be piped to the LNG plant, where it will then be exported to Asia Pacific and other international markets.
The scope of the works for the APLNG Pipeline includes the design, engineering and construction of the pipeline.
The pipeline is proposed to start near Miles, in South East Queensland, and continue north through the Banana Shire before turning east toward Gladstone, located on the state’s coast.
A number of alternative pipeline routes have been examined, with the final pipeline route to be made in consultation with landowners and local communities, and involve a thorough constraints analysis.
Article continues below…The minimum burial depth for the pipeline is 900 mm under normal conditions, 1,200 mm under road crossing and 2,000mm under both railway crossings and water courses and creeks.
The pipeline will have a design pressure of 15.3 MPa with a capacity of 1,250 TJ/d of gas.
The diameter of the pipeline will be 42 inches, and a final decision is expected to be made during the detail design phase.
Subject to a final investment decision, scheduled for the end of 2010, construction on the pipeline will start in late 2011 with completion by the end of 2013.
Upstream operator Origin Energy Executive General Manager Paul Zealand said that the design studies for the upstream facilities and pipeline had been undertaken, and detailed engineering and preparatory works will continue.
“Both the pipeline and the upstream contracts are scalable to include the entire 450 km gas transmission pipeline construction and a portion of the gas production facilities for the project,” Mr Zealand said.
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