CPB Contractors to deliver Sydney Water's Orchard Hills Water Filtration Plant Reliability Upgrade project
CIMIC Group company CPB Contractors has been selected by Sydney Water to deliver the Orchard Hills Water Filtration Plant (WFP) Reliability Upgrade (Pre-treatment) project.
The initiative will enhance the reliability and resilience of the drinking water supply for approximately 260,000 customers and support future development in the Blue Mountains and Penrith regions. CPB Contractors will work collaboratively with technology and design partners Veolia, BG&E, CWT, Atlas, CNFiTech and CIMIC Group company EIC Activities to design and construct a new pre-treatment facility at Orchard Hills WFP.
The project will deliver approximately $150 million in revenue for CPB Contractors.
ACS Group and HOCHTIEF Chief Executive Officer and CIMIC Group Executive Chairman Juan Santamaría said:
"This upgrade is critical to ensuring Sydney Water continues to deliver safe, high-quality drinking water to a growing population. By integrating advanced pre-treatment technology and leveraging CPB Contractors' proven delivery capability, we are enabling a facility that will operate efficiently and reliably for decades during periods when raw water is impacted by extreme events."
CPB Contractors Managing Director Craig Nuttall said:
"Having delivered more than 100 water projects, including major water and wastewater treatment and distribution infrastructure, CPB Contractors has a proven track record spanning decades. Working closely with our specialised design and technology partners, we are committed to delivering innovative, value-for-money solutions that strengthen Sydney Water's network and ensure reliable, high-quality drinking water for the growing Orchard Hills community."
The Orchard Hills WFP Reliability Upgrade (Pre-treatment) project includes:
Construction of a new pre-treatment plant to provide additional treatment of raw water before filtration
Upgrade of existing chemical storage and handling facilities
Removal of disused buildings and concrete structures
Site works, including pipework, roadway and power supply upgrade.
Construction will commence in Q3 2026.
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Hochtief AG published this content on February 23, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on February 23, 2026 at 09:57 UTC.
Hochtief AG is a Germany-based holding company engaged in the construction industry. Through its subsidiaries, Hochtief delivers construction and civil engineering projects for the transportation, energy and urban infrastructure industries, as well as the mining industry. It operates three business divisions: Hochtief Americas coordinates construction activities in the United States, Canada and Brazil; Hochtief Asia Pacific covers construction activities in Asia and Australia involving building, infrastructure and contract mining projects, and Hochtief Europe conducts construction projects in Europe and select regions worldwide, involving real estate and transport infrastructure, such as tunnels, bridges, airports, marine ports and sports stadiums. The Company operates a number of subsidiaries, notably Turner Construction Co., Flatiron Construction Corp., CIMIC Group Ltd., and Hochtief Infrastructure GmbH, It operates as a subsidiary of Actividades de Construccion y Servicios SA.
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