CARLTON TO KOGARAH PIPEJACK TUNNEL

PROJECT DESCRIPTION:

Design and construction of a 2400mm diameter by 120m long pipe jacked tunnel, including fit out with stainless steel cable support brackets. The scope of works included construction of 8m x 8m x 8m deep cable pit which into which stainless steel access ladders and platforms were installed for continuing use by maintenance crews.

Complex Challenges:

The tunnel is located beneath railway lines and roads and has strict settlement and environmental monitoring requirements. Modifications to Abergeldie’s EPBM tunnel boring machine were required to suit the dimensions specified for the tunnel, and to address local soil conditions.

Business unit:

Tunnelling

Client:

Energy Australia

Current status:

Complete

Start date:

November 2007

Completion period:

40 weeks

Contract type:

Lump sum

Value:

$4.7 million