Queensland Urban Utilities’ MTBM completes 800 m drive

Construction of Queensland Urban Utilities AU$55 million Bulimba Creek Stage 2 Sewer Upgrade continues to progress, with the microtunnel boring machine (MTBM) recently completing an 800 m drive.

Last year, the MTBM completed an 852 m excavation, which at that time was the longest drive of a machine of its size.

Since then, the machine has microtunnelled three additional drives totalling 2,236 m, including this most recent 800 m, 1.8 m diameter section.

Work on the project includes a new 4.25 km sewer main southeast of Brisbane, between Wecker Road, Mansfield, and Cadogan Street, Carindale.

The existing Bulimba Creek Trunk Sewer comprises 62 km of sewer pipes ranging in diameter from 375 mm to 1,650 mm and will provide water and sewerage services to more than 158,000 customers.

Mid-tier infrastructure provider Abergeldie Complex Infrastructure and civil engineering contractors Obayashi Corporation comprise the joint venture, which is designing and constructing the Stage 2 upgrade.

Stage 1 and 1A of the Bulimba Creek upgrade were completed in 2004–06 and 2011–13 in Mansfield, Wishart, Eight Mile Plains and MacGregor.

Stage 2 is expected to be completed by in 2018.

For more information visit the Queensland Urban Utilities website.

If you have a project you would like featured in Trenchless Australasia contact Assistant Editor Chloe Jenkins at cjenkins@gs-press.com.au

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