AECOM has been selected as the Lead Designer by Capital Crossing Constructors for the replacement of the Alexandra Bridge in Ottawa, a major infrastructure initiative connecting Ottawa, Ontario and Gatineau, Quebec. The project will replace the existing Alexandra Bridge with a modern crossing designed to support long-term mobility, connectivity, and accessibility for all users in the National Capital Region. This selection highlights AECOM's role in advancing critical infrastructure in the nation's capital.

The company will provide a full range of integrated services during the project’s development phase, including environmental services, bridge architecture, structural and civil engineering, traffic management design, utility coordination, and public consultation support. The project will also be delivered using building information modeling (BIM) and fully digital project delivery tools to ensure precision and efficiency.

Project Partnership

AECOM will partner with Capital Crossing Constructors, a joint venture comprising Webuild Civil Works Inc., Samsung C&T Ontario 1 Inc., and Green Infrastructure Partners Inc. The integrated team will help advance the planning and design of this critical infrastructure replacement. Working closely with the Government of Canada, the team will develop a technical solution aligned with the Government’s objectives for sustainability, resilience, constructability, and effective stakeholder engagement.

Strategic Impact

"Our selection for this landmark project reflects the strength of AECOM’s multidisciplinary capabilities and our collaborative approach to delivering complex infrastructure solutions," said Richard Barrett, chief executive of AECOM’s Canada region. "As a Canadian team, we are proud to contribute to a transformative project in the nation’s capital that will support regional connectivity and create long-lasting value for communities on both sides of the Ottawa River."

Key Project Details

AECOM has been appointed by Murphy as the exclusive design partner to deliver Thames Water’s £340 million upgrade of the Oxford Sewage Treatment Works in the UK. The project aims to increase treatment capacity by approximately 40% to support population growth and protect the environment by improving effluent quality discharged into the River Thames. This scheme is a key component of Thames Water’s capital delivery works program during AMP8, the UK’s current Asset Management Period 8.

The upgrade includes enhancing power supplies and increasing storm tank capacity and sewage treatment flows. AECOM will provide multidisciplinary design services as the contractor’s exclusive design partner. The initiative is designed to ensure long-term resilience and environmental performance of the wastewater network for communities in Oxfordshire.

"Upgrading these major sewage treatment works is critical for facilitating growth and protecting the environment for communities in Oxfordshire," said Beverley Stinson, chief executive of AECOM’s global Water business. She highlighted the firm's status as the world’s number one water design firm as ranked by Engineering News-Record and emphasized the use of AI-enabled solutions for efficient infrastructure.

Richard Whitehead, chief executive of AECOM’s Europe and India region, noted that the award reinforces the company's longstanding relationship with Thames Water. He expressed confidence that the collaboration with Murphy would bring together the necessary skills to enhance services for customers and deliver cleaner waterways.

David Mayfield, Senior Project Manager at Thames Water, described the upgrade as a significant investment in future-ready treatment facilities. He stated that working with AECOM and Murphy would ensure fewer storm overflows and a resilient wastewater service for growing communities in the region.

AECOM previously delivered the Deephams Sewage Treatment Works upgrade in a joint venture with Murphy and Kier. This new contract builds on AECOM's recent wins related to the AMP8 UK water infrastructure framework, including supporting Thames Water’s approximately $540 million professional services framework and Southern Water’s $4.8 billion capital delivery program.