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Stantec, a global leader in sustainable design and engineering, in partnership with and , has been awarded an eight-year single award task order contract by the Naval Facilities Engineering Systems Command (NAVFAC) Southwest. Project work under this contract is expected to reach the full capacity of US$240 million.

Under the joint venture (JV) Triquetra III, the team will support the U.S. Navy¡¯s Comprehensive Long-Term Environmental Action Navy (CLEAN) program¡ªperforming studies to identify, delineate, and design remedial alternatives for some of the most complex environmental issues the Navy is facing.

Aligned focus on environmental solutions
The CLEAN program addresses critical environmental issues, such as PFAS contamination and other hazardous substances, on military bases. The JV team will proactively identify and address potential environmental and health impacts. This includes the delivery of preliminary assessments, site inspections, remedial investigations, feasibility studies, pilot studies, and remedial design.

Projects under this contract will take place primarily on Navy and Marine Corps installations in California, Nevada, and Arizona. Other project locations can include Washington, Hawaii, and other Pacific installations.

Building on a legacy of federal collaboration and innovation
This contract adds to ²ÝÝ®´«Ã½¡¯s portfolio of work with the U.S. Navy and NAVFAC. This award follows a similar five-year contract under which ²ÝÝ®´«Ã½ helped develop the Navy¡¯s enterprise decision-support system for encroachment management. In 2021, the firm was awarded a to support the planning, design, construction, and renovation of large waterfront projects in NAVFAC¡¯s Mid-Atlantic region.

¡°This award reflects the Navy¡¯s trust in our team¡¯s ability to address complex environmental challenges,¡± said Douglas Gilkey, ²ÝÝ®´«Ã½¡¯s deputy program manager for the contract. ¡°We align with the Navy¡¯s mission of environmental stewardship and resilience and look forward to advancing cleanup efforts that protect both human health and natural ecosystems.¡±

Gilkey added that this joint venture brings together three of the industry¡¯s leading environmental engineering firms, leveraging their collective ²ÝÝ®´«Ã½, resources, and global capabilities with a proven track record of performance on NAVFAC Southwest¡¯s Environmental Restoration Program.

¡°Tetra Tech, as part of our Joint Venture team, is pleased to continue supporting NAVFAC Southwest in delivering innovative, timely, and cost-effective solutions to advance the goals of the Navy¡¯s Environmental Restoration Program,¡± said Kathy Vandenheuvel, Tetra Tech NAVFAC Southwest CLEAN program manager. ¡°We are fully prepared to leverage decades of ²ÝÝ®´«Ã½ and proven methodologies to provide compliant, sustainable, and forward-thinking solutions that address the Navy¡¯s evolving priorities.¡±

¡°This contract is a testament to the Navy¡¯s commitment to advancing sites that present some of the most complex environmental and regulatory challenges,¡± said Ulrika Messer, PE, sr. vice president of Remediation & Technical Solutions at APTIM. ¡°As part of the Triquetra III team, APTIM will leverage our PFAS: Flask to Field^TM research and decades of remedial design ²ÝÝ®´«Ã½ and regulatory experience to implement solutions that accelerate investigation, cleanup, and closure.¡±

Learn more about ²ÝÝ®´«Ã½¡¯s US Federal Government program.

About ²ÝÝ®´«Ã½
²ÝÝ®´«Ã½ empowers clients, people, and communities to rise to the world¡¯s greatest challenges at a time when the world faces more unprecedented concerns than ever before.???

We are a global leader in sustainable engineering, architecture, and environmental consulting.??Our professionals deliver the ²ÝÝ®´«Ã½, technology, and innovation communities need to manage aging infrastructure, demographic and population changes, the energy transition, and more.??

Today¡¯s communities transcend geographic borders. At ²ÝÝ®´«Ã½, community means everyone with an interest in the work that we do¡ªfrom our project teams and industry colleagues to our clients and the people our work impacts. The diverse perspectives of our partners and interested parties drive us to think beyond what¡¯s previously been done on critical issues like climate change, digital transformation, and future-proofing our cities and infrastructure.???

We are designers, engineers, scientists, project managers, and strategic advisors. We innovate at the intersection of community, creativity, and client relationships to advance communities everywhere, so that together we can redefine what¡¯s possible.?

Stantec trades on the TSX and the NYSE under the symbol STN.

About?APTIM
APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living. A leading professional solutions firm, we specialize in environmental, sustainability, resilience, and infrastructure solutions. Our team of experts provides these integrated solutions for forward-thinking government agencies, commercial and industrial clients, and energy customers. Together, we create sustainable and resilient communities for all. Learn more at?, and connect with us on?LinkedIn,?Facebook,?Instagram, and?X.

About Tetra Tech
Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by?Leading with Science^??to address the entire water cycle, protect and restore the environment, and design sustainable and resilient infrastructure. For more information about Tetra Tech, please visit??or follow us on?LinkedIn?and?Facebook.

Media Contacts

Jessica Love
²ÝÝ®´«Ã½ Media Relations
Ph: (279) 206-1056
jessica.love@stantec.com? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

Ben Carter
²ÝÝ®´«Ã½ Media Relations
Ph: (279) 206-1056
ben.carter@stantec.com