Specialist Engineering for Marine Infrastructure
Supporting ports, marinas, dock gates and tidal structures with expert engineering, installation, maintenance and replacement solutions.
Engineering support for complex marine environments
Marine infrastructure demands specialist knowledge, careful planning and precise delivery. From dock gate refurbishment and RORO cylinder replacement to temporary works, heavy lifting and preventative maintenance, 3RS Engineering supports clients with practical, safe and technically robust solutions.
Our combined civil, marine and mechanical capability means a single accountable team can take a project from early engineering input through manufacture, installation, inspection and commissioning — safely and on programme.
Practical engineering expertise for marine assets
We provide end-to-end support across marine engineering projects, from early involvement and technical planning through to manufacture, installation, inspection and commissioning.
Early Contractor Involvement
We work with clients, designers and contractors from the early stages of a project to develop safe, practical and cost-effective engineering solutions.
Typical Support Includes
Site Installation & Maintenance
Our experienced site teams deliver installation, maintenance and refurbishment works in live and demanding marine environments, with a strong focus on safety and continuity.
Typical Support Includes
Product Selection & Manufacturing
We review drawings, specifications and site requirements to select the right products and materials, and support with manufacture and procurement of bespoke components.
Typical Support Includes
Specialist Marine Capabilities
A combined civil, marine and mechanical engineering offer — delivering complex works safely in live operational environments.
Marine projects delivered with precision
Explore examples of how 3RS Engineering has supported complex marine and water-based infrastructure projects through temporary works, manufacture, installation, jacking and commissioning.
Ramsgate Port Pontoon Refurbishment
Temporary works design and implementation, structural jacking, manufacture, and replacement of Bankseat wheels, pins, bushes and cheek plates, manufacture and replacement of brow link bearing, manufacture and replacement of dolphin donut wearing pads, manufacture, and replacement of 4x Bankseat mooring chains and MPI inspection and weld repairs to pontoon bearings
Port of Dublin
Project management, craneage and lift plans, removal of existing clevis and gimble pins, removal of the existing RORO cylinders onto heavy haulage, lifting and placing new RORO cylinders into position, installation of new pins into clevis and gimbles
Newhaven Port Berth 1 Linkspan Refurbishment
Project management, bearing design, manufacture and replacement with temporary works, manufacture, painting and replacement of 60no new Linkspan bridge beams, manufacture, painting, and replacement of 18no new Linkspan deck plates with anti-slip resin, design, manufacture and replacement of hydraulic cylinders and replacement of the Linkspan guide wheels and rails
Port of Milford Haven Pilot Pontoon
Project management and co-ordination, supply of vessel craneage, removal of existing pilot jetty pontoon and gangway, including subsurface diver cutting, installation of new H Piles, installation of new pontoons, installation of new ladder, installation of new gangway and upper platform landing area
London Eye Pier
Temporary works design, new pin and bush manufacture, installation of permanent and temporary works, structural jacking, pin and bush replacement, safety boats and access provisions
Denton Pontoon Finger Access Installation
Design, manufacture and installation of new mild steel upper and lower access platforms and 15m aluminium brow, redirection of services to accommodate access, supply of safety boat, scaffolding and craneage, removal of existing ladder and timber fenders
Built for demanding environments
Marine projects often involve restricted access, live operational assets, heavy components and challenging site conditions. 3RS Engineering combines technical planning with practical delivery to help clients complete works safely, efficiently and to the required standard.
Helpful answers before you get started.
What types of marine projects does 3RS Engineering support?
We support a range of marine infrastructure projects including dock gate refurbishments, barrage gate works, RORO system repairs, cylinder replacement, temporary works, structural jacking, component replacement and planned maintenance.
Can 3RS Engineering help during the early planning stage?
Yes, we provide Early Contractor Involvement (ECI) to help with methodology, budgeting and risk assessment before projects begin.
Do you provide temporary works for marine projects?
Absolutely. We design and implement the specialist temporary works required for complex marine environments.
Can you manufacture replacement components?
Yes — we have fabrication capabilities to manufacture bespoke or replacement components for marine infrastructure.
Do you carry out inspections and maintenance?
Yes, we offer both one-off inspections and long-term preventative maintenance planning.