Throughout our diverse project experience across a wide range of industries, one thing remains constant: our commitment to excellence.
WJ is the preeminent dewatering company in Toronto, servicing the unique challenges of complex ground conditions and excavations associated with transit infrastructure. From the technically demanding Eglinton Crosstown LRT to the intricate excavations at Finch West, we bring deep expertise to every phase of construction. Our wellpoint and deep well systems ensure safe tunnel boring operations, dry sites, and smooth progress.
From storm sewer shafts to trench boxes, WJ supports the delivery of essential utility infrastructure with smart, reliable water management. From sump pumping in tight spaces to dewatering deep excavations, we help keep critical enabling works on track and on schedule. With decades of experience and a deep understanding of ground conditions, WJ brings practical, responsive solutions to even the most demanding utility projects.
WJ brings water management solutions to a wide variety of commercial projects. From retail spaces to mixed-use towers, our systems are designed to handle irregular ground conditions, limited site access and challenging geology. Whether installing compact sedimentation tanks or wellpoints through caisson piles, we bring smart thinking and specialist kit to solve problems fast, reduce risk and keep your project on schedule.
WJ offers expert advice on shaft and tunnel construction dewatering strategies, providing safe and efficient dewatering methods to ensure stable, dry ground. We also provide compact equipment such as low headroom drilling rigs and compact pumping plants for restricted tunnel environments, ensuring seamless project execution.
WJ Group has vast experience delivering groundwater management and groundwater treatment services at some of the world’s busiest airports, including London Heathrow, Dubai International, and Hamad International. We understand the unique constraints and security requirements of airside access and are well-versed in working under these challenging conditions.
For over 30 years, WJ has provided expert dewatering for the deep excavations required for complex substructures. Our experience ranges from residential basements to large, multi-level foundations for major commercial developments. Our engineering expertise allows us to manage challenging site conditions, protect adjacent structures, navigate limited discharge options, and solve complex issues such as sealing internal artesian wells.
WJ offers tailored dewatering solutions for groundwork projects, no matter the scale. Our external perimeter well systems are preferred for avoiding excavation access restrictions and have been used in large-scale projects such as the M3 motorway and the Royal Hospital for Sick Children in Edinburgh.
With a proven track record of delivering major infrastructure projects, WJ specialises in dewatering solutions tailored to demanding schedules and complex requirements. From the Lee Sewer Tunnel to Crossrail, our experienced team ensures meticulous planning, seamless integration, and effective coordination with contractors for smooth project execution.
Elevated groundwater levels can destabilise slopes, posing risks to infrastructure and safety. WJ provides expert solutions like siphon drains and electro-pneumatic pumps to manage water levels effectively and ensure long-term stability. Our advanced systems are designed to handle both shallow and deep water-bearing horizons, even in challenging conditions.
Ports and marine projects face unique challenges, including tidal fluctuations, rapid groundwater level changes, and environmental sensitivities. WJ is highly experienced in delivering effective groundwater control in these complex environments, with careful attention to discharge water quality, regulatory compliance, and the protection of surrounding ecosystems.
WJ provides specialised dewatering services for gas and nuclear power stations, often built underground for visual and environmental reasons. Our solutions ensured safe, efficient excavation and groundwater management for projects like Sizewell B Nuclear Power Station, Immingham on Humberside, SELCHP in Deptford and many more.
From tunnel approaches to underground stations, WJ has extensive experience in managing dewatering for new and existing railway infrastructure. Our team expertly navigates the complexities of minimising disruptions to live rail services, ensuring safety, precision, and the successful delivery of effective, tailored solutions.
Sewage plants are often built on low-lying ground with high groundwater levels, presenting unique and complex challenges. WJ has extensive experience updating and constructing new sewage treatment works, delivering advanced groundwater control and groundwater management solutions that keep operations running smoothly while modernising and upgrading critical infrastructure for long-term resilience.
WJ Canada can assist with residential developments of all sizes, from low-rise builds to high-rise condos with deep excavations and underground parking. Our compact drilling rigs and specialist wellpoint systems are ideal for challenging ground conditions and tight urban sites. By working closely with contractors, we help reduce risk, manage groundwater effectively, and keep construction programs on track.
WJ designs, installs, and tests water supply wells up to 200m depth and 450 mm finished bore, ensuring safety, cleanliness, and long-term reliability in all conditions. Our highly experienced team manages every aspect of water well drilling and development to guarantee efficient, contamination-free water extraction.
