Malabar System Investment Program

The Malabar System Investment Program is a major infrastructure initiative focused on upgrading and expanding Sydney’s wastewater network. The program is designed to improve system capacity, reliability, and environmental performance across the Greater Sydney region.

Client

Acciona

Project Value

Multi-billion dollar program (program-level investment)

Role

Quality & Completion Support

Works form part of a long-term strategy to support population growth while reducing overflows and improving water quality outcomes.

Project Detail

The program includes a range of complex civil and infrastructure works delivered across multiple sites, including:

• Construction of deep underground tunnels and pipelines

• Upgrades to pumping stations and treatment facilities

• Integration with existing wastewater infrastructure

• Complex excavation and underground works in urban environments

• Coordination across multiple contractors and delivery packages

These works are carried out within highly regulated environments, requiring strong systems, compliance processes, and coordination across stakeholders.

Project Involvement

• Supporting implementation of project quality management systems

• Assisting with documentation, inspection, and verification processes

• Contributing to structured completion and handover pathways

• Supporting compliance with project and regulatory requirements

• Working alongside delivery teams to maintain consistent quality standards

Outcome Focus

• Strengthened quality processes across multiple work fronts

• Improved coordination and visibility across documentation

• Supported compliance with environmental and project requirements

• Contributed to structured and controlled project completion