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BHP Sheetpile Wall

Client: BHP Billiton
Capabilities: Construction, Sheet Piling
Region: Newcastle (New South Wales)
Completed: April 2011

The remediation of the old BHP steelworks site and the adjacent section of the Hunter River is the largest site remediation project to date in the southern hemisphere.  In the most contaminated zone approximately two million cubic metres of soil is to be dredged from the Hunter River. This material is to be treated and buried in a specially prepared site on the adjacent Kooragang Island.  A further 1 million cubic metres of soil with less contaminated soil is also to be removed.

Waterway Constructions work involved the construction of an 880m long in-river sheet pile wall to contain the more heavily contaminated soil.  Sheet piles up to 28m long were vibrated through very dense sands using four floating crane rigs and a 550 tonne land based crane.  The company used four piling vibrators to install the piles including one of the largest piling vibrators in the world which was imported from the Netherlands.

Waterway constructions also installed steel tube piles for the silt curtains which enclose the work areas together with the removal of a steel barrage from the embankment.

BHP Sheetpile Wall
BHP Sheetpile Wall
BHP Sheetpile Wall
BHP Sheetpile Wall
BHP Sheetpile Wall
BHP Sheetpile Wall
BHP Sheetpile Wall

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