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Delivering deep sewer infrastructure and tunnelling support works to enable wastewater servicing for the Spring Farm growth precinct.

Sydney Water

Spring Farm, Camden Region, New South Wales

Deep Shaft Construction + Sewer Manhole Infrastructure

[Project Background]

Wastewater Infrastructure for a Growing Residential Precinct

As part of the NSW Government’s South West Growth Centre program, new wastewater infrastructure was required to service residential development across the Camden region. The Spring Farm precinct required new sewer lead-in infrastructure to connect emerging residential developments to the broader sewer carrier network.

The project involved constructing deep shaft infrastructure and sewer manholes to support micro-tunnelling works and enable the installation of the new wastewater carrier connection.

[Scope Of Works]

Operating in Sensitive and Live environments

Delivery of shaft structures and supporting sewer infrastructure for the Spring Farm growth precinct.

Construction of caissons and sheet-piled shafts up to 14m deep

Installation of HDPE-lined sewer maintenance structures

Temporary works and hydraulic bracing systems for deep excavations

Coordination of tunnelling and carrier pipe installation works

Project Technical Snapshot

Construction of deep shaft infrastructure and sewer manholes to support tunnelling works for new wastewater carrier connections.

Caisson Shaft up to 14m Deep Sheet-Piled Shafts up to 10m Deep

Manholes Constructed

10 Cast-in-Situ Sewer Manholes DN1500 HDPE-Lined

Tunnelling Support Works

Launch and Receive Pits for Micro-Tunnelling Operations

[Outcome / Key Features]

Deep Shaft Infrastructure Delivered for Sewer Network Expansion

Outcome

Construction of deep caisson shaft infrastructure reaching 14 metres in challenging sandy and groundwater conditions
Installation of sheet-piled shafts up to 10 metres deep to support sewer infrastructure works
Construction of 10 DN1500 HDPE-lined sewer manholes
Launch and receive pits constructed for micro-tunnelling operations
Installation of PVC carrier pipes between shafts through coordinated tunnelling works

Key Features

Caisson shaft methodology implemented to safely construct infrastructure beneath high voltage power corridors
Telescopic excavator with clam-shell bucket used for deep shaft excavation
Hydraulically braced temporary works installed to support sheet-piled excavations
Coordinated construction sequencing with the micro-tunnelling contractor
Manhole construction staged in line with shaft excavation and backfilling activities
Innovative safe access system using intermediate platforms and davit arms recognised by Sydney Water

[Environmental Responsibility]

No items found.

Partner With a Specialist in Critical
Water Infrastructure

If your project demands certainty, compliance, and disciplined delivery within live water networks, we’re ready to engage.

Spring Farm Release Area Wastewater

Deep Shaft Construction + Sewer Manhole Infrastructure

Wastewater Infrastructure for a Growing Residential Precinct