Dredging Services
Reliable Dredging Solutions for Marine Infrastructure
Since 2007, Union Dredgers & Marine Contracting (UDMC) has delivered professional dredging services that support ports, marinas, coastal developments, industrial facilities, and offshore projects. Our experienced team undertakes dredging works that improve navigational access, prepare sites for construction, and maintain waterways for safe and efficient marine operations.
From maintenance dredging to specialised trench excavation, we combine experienced personnel with modern equipment to deliver practical solutions tailored to each project’s requirements. Many dredging projects are also carried out alongside our Marine Construction and Offshore Pipeline Installation services, enabling clients to work with a single contractor throughout the project lifecycle.
Our Dredging Services
Every project has unique operational and environmental requirements. We provide a range of dredging solutions designed to improve waterway accessibility, support marine infrastructure, and maintain coastal assets while ensuring safe and efficient project execution.
Our services include:
- Marina & Channel De-silting
- Pipeline Trench Dredging
- Navigation Channel Dredging
- Beach Nourishment & Replenishment
- Maintenance Dredging
Our experienced team also works closely with our Marine Services division to support inspection, diving, and maintenance activities during marine operations.
Contact us with any enquiries
Dredging Capabilities
Marina & Channel De-silting
Sediment build-up can reduce water depth and restrict safe vessel movement. Our marina and channel de-silting services remove accumulated material to restore navigable depths, improve water circulation, and maintain the efficient operation of ports, marinas, and waterfront facilities. These works are often undertaken alongside our Marine Construction projects to support long-term marine infrastructure.
Pipeline Trench Dredging
We provide precise pipeline trench dredging for offshore pipeline and subsea utility installations. Using specialised equipment and experienced operators, we prepare stable trenches that support efficient installation while minimising environmental impact. This service integrates seamlessly with our Offshore Pipeline Installation capabilities.
Navigation Channel Dredging
Maintaining the required channel depth is essential for safe marine navigation. Our navigation channel dredging services improve access for commercial, industrial, and service vessels while supporting the continued operation of ports, harbours, and coastal infrastructure.
Beach Nourishment & Replenishment
We undertake beach nourishment projects that restore eroded shorelines, improve coastal resilience, and protect valuable waterfront assets. Our solutions are planned to suit site conditions while supporting sustainable coastal development.
Maintenance Dredging
Regular maintenance dredging prevents sediment accumulation and helps maintain operational water depths. Our planned dredging programmes support ports, marinas, industrial facilities, and navigation channels, ensuring uninterrupted marine operations.
Modern Dredging Fleet & Equipment
Our dredging operations are supported by a versatile fleet, including backhoe dredgers, cutter suction dredgers, portable pontoons, dismantlable pontoons, and flat-top barges, together with specialised dredging pumps and support equipment. This allows us to deliver efficient solutions across a wide range of marine environments and project requirements.
Where additional marine assets are required, our Equipment Hire service provides reliable equipment to support project execution.
Industries We Serve
Union Dredgers supports a wide range of marine and coastal projects for government authorities, ports and harbours, oil & gas facilities, industrial developments, waterfront developments, and private sector clients. Our dredging expertise is often delivered alongside our Marine Construction and Marine Services, providing integrated solutions that meet the technical and operational requirements of each project.
Why Choose Union Dredgers
With over a decade of marine contracting experience, Union Dredgers delivers dependable dredging solutions backed by skilled personnel, specialised equipment, and a strong commitment to quality. We understand the challenges of working in marine environments and focus on safe execution, efficient project delivery, and long-term client partnerships. Whether the project involves dredging alone or forms part of a larger Offshore Pipeline Installation project, we provide practical solutions tailored to your requirements.
Health, Safety & Environmental Commitment
Health, Safety, Environment, and Quality (HSEQ) are central to every dredging operation we undertake. Through effective planning, risk assessments, environmental controls, and continuous monitoring, we deliver projects responsibly while protecting personnel, marine ecosystems, and surrounding infrastructure. Our commitment to HSEQ ensures every project is completed safely, efficiently, and to the highest professional standards.
Frequently Asked Questions
What dredging services does Union Dredgers provide?
We provide marina and channel de-silting, maintenance dredging, pipeline trench dredging, navigation channel dredging, and beach nourishment for coastal, offshore, and marine infrastructure projects.
Which industries do you serve?
Our dredging services support ports, harbours, government authorities, oil & gas, industrial facilities, waterfront developments, and private marine projects. We also work alongside our Marine Construction team to deliver integrated project solutions.
Can you support offshore pipeline projects?
Yes. We undertake pipeline trench dredging to prepare the seabed for subsea pipelines and also provide complete Offshore Pipeline Installation services for end-to-end project delivery.
What equipment do you use?
Our fleet includes backhoe dredgers, cutter suction dredgers, pontoons, barges, and specialised dredging pumps, enabling us to undertake projects in a wide range of marine environments.
How can I request a quotation?
Simply contact our team with your project details. We'll review your requirements and recommend the most suitable dredging solution for your project.