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Rozelle Interchange – WestConnex

Rozelle Interchange – WestConnex

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April 9, 2025

Client

John Holland CPB JV

Location

Rozelle

Value

$7.1 Million

Completed

March 2021

Excavator digging a deep, rectangular pit with rocky walls; metal stairs are installed in one corner for access.Excavator digging a deep, rectangular pit with rocky walls; metal stairs are installed in one corner for access.
An excavator operates at the bottom of a deep construction pit with a metal access ladder and a large red pipe along the wall.An excavator operates at the bottom of a deep construction pit with a metal access ladder and a large red pipe along the wall.
Aerial view of workers in protective gear at the bottom of a deep construction pit, surrounded by scaffolding, pipes, and excavation equipment.Aerial view of workers in protective gear at the bottom of a deep construction pit, surrounded by scaffolding, pipes, and excavation equipment.
A small excavator with a red arm digs in a deep, narrow pit surrounded by concrete walls and loose rubble, near a metal ladder and an orange protective cover.A small excavator with a red arm digs in a deep, narrow pit surrounded by concrete walls and loose rubble, near a metal ladder and an orange protective cover.
A construction worker wearing an orange safety vest stands in a deep rectangular pit with machinery, pipes, and equipment stacked inside.A construction worker wearing an orange safety vest stands in a deep rectangular pit with machinery, pipes, and equipment stacked inside.
Three construction workers in safety gear install large concrete pipes and metal reinforcement in an excavated trench at a construction site.Three construction workers in safety gear install large concrete pipes and metal reinforcement in an excavated trench at a construction site.
RA Smith realigned a section of the Balmain Slopes Sewer, completing deep excavation and micro-tunnelling in a densely populated area on time with minimal disruption to residents.

Pipeline Installation:

400m DN750 GRP replacing rock-lined sewer tunnel.

Shaft Excavation:

Shafts 4–14m deep in rock using telescopic clamshell excavator.

FIFM Planning:

Complex connections into 8m-deep shaft over live sewer tunnel.

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Rozelle Interchange – WestConnex

RA Smith realigned a section of the Balmain Slopes Sewer, completing deep excavation and micro-tunnelling in a densely populated area on time with minimal disruption to residents.

Read more