Web Tower: Aug – Oct ’19
Web Tower: Aug – Oct ’19

Microtunnelling progresses in Geelong

A microtunnel boring machine (MTBM) has completed more than 75 per cent of the Gheringhap Street Drain Project in Geelong, Victoria.

The City of Great Geelong project includes the installation of a new stormwater drain underneath Gheringhap Street, which will minimise the effects of flooding during significant storm events.

The drain will connect to the existing network near Johnstone Park, improving the capacity to dissipate flood water and will include a new treatment system and outfall to Corio Bay.

Contractor Rob Carr is using a 24 t MTBM – nicknamed Emily-Rose – to excavated the 450 m pipeline.

As of 15 July, Emily-Rose had travelled 340 m from its launch shaft on Mercer Street, heading towards Corio Bay where it will end near a waterfront skatepark.

The new drain will be constructed from 1.8 m diameter pipe, which is being installed at a rate of about 7.5 m/d.

According to the council, microtunnelling was selected because it provided the greatest cost benefit, took the least amount of time and caused the least amount of disruption to the local community, particularly the users and occupants of Gheringhap Street.

For more information visit the Rob Carr 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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