Our Work

Engineering delivered on landmark infrastructure

From the Thames crossings to the Humber estuary, explore how 3RS Engineering delivers temporary works, jacking, replacement and fabrication on structures that can’t fail.

Selected projects

A track record on structures that can’t fail

A selection of civil, marine and mechanical engineering projects delivered across the UK and Ireland — many on live, high-consequence assets where access, programme and safety are everything.

Showing all projects

Tower Bridge Bascule Strengthening

Tower Bridge, London

Procurement and manufacture of materials, manufacture and precision machining of new components, removal of existing pawl bearing pads, removal of existing rivets, drilling and fixing new T-Piece strengthening plates and new pawl bearing pads

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Salford Rise Bearing Supply & Installation

Salford, Manchester

Design and manufacture of bridge bearings, design and implementation of temporary jacking support to bridge beams, structural levelling of bridge on jacking cylinders, bearing installation and grouting, de-jacking of new bridge and removal of temporary works

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Ramsgate Port Pontoon Refurbishment

Ramsgate, Kent

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

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Port of Dublin

Dublin, Ireland

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

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Newhaven Port Berth 1 Linkspan Refurbishment

Newhaven, East Sussex

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

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Port of Milford Haven Pilot Pontoon

Milford Haven, Pembrokeshire

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

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Manchester City FC North Stand Cable Installation & Tensioning

Etihad Stadium, Manchester

Assembly of 14no Daver Cables for the new North Stand Roof Support, including dimensional setting out, installation of cables to roof and tensioning of cables post installation to allow temporary works to be removed

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M25 J28 Temporary Propping & Monitoring

Brentwood, Essex

Design, installation and implementation of temporary props and jacking cylinders on the Grove Bridge, structural monitoring and data logging, structure weighing and removal of temporary works on completion of integral bridge installation

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M25 Gade Valley Bearing Installation

Hemel Hempstead, Hertfordshire

Technical appraisal of temporary works design and buildability, procurement of structural jacking system, temporary works installation and structural jacking - both vertically and transversely; and installation of structural free pot bearings and longitudinally constrained guide bearings

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London Eye Pier

South Bank, London

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

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Humber Bridge DEMAG Joint Maintenance

Humber Bridge, Hull

Project management, lifting and haulage, removal of two existing plate trains, installation of temporary road plates, removal of pendular plate pins and bushes, machining of feet, installation of new feet, installation of new bushes and pins and reassembly of plate trains, and re-installation of two plate trains in one weekend shift

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Humber Bridge A-Frame Replacement

Humber Bridge, Hull

Project management, temporary works implementation, bridge jacking, removal of existing A-Frame steelwork, installation of new A-Frame steelwork, bearing replacement and replacement of crash barrier

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Denton Pontoon Finger Access Installation

Newhaven, East Sussex

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

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Coldhams Footbridge Bearing Replacement

Cambridge, Cambridgeshire

Design and manufacture of bridge bearings, design and implementation of temporary jacking support, liaison with Network Rail for Form2 & 3 sign off on TWD, bridge jacking, hydrodem removal of bridge bearings, installation of new bridge bearings, reinstatement of concrete, bearing grouting, bridge de-jacking and removal of temporary works and scaffold access

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A414 New River & River Lea Type 5 Joint Replacement

Hertford, Hertfordshire

Procurement of new Type 5 Expansion Joint planks and manufacture kerb kick ups and new cover plates, removal of existing joints and installation of new Type 5 expansion joint planks and installation of TechJoint Permatrack nosing material, including cover plates in Contraflow Traffic Management

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A2 Honeywood EMR80 Joint Replacement

Honeywood, Kent

Undertook the supply of new materials and expansion joint, removal of existing Type 6 expansion joint and phased installation of new 23.8m long Type 8 EMR80 expansion joint in night-shift traffic management closures over both carriageways of the A2 Honeywood Junction

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A2 A282 Viaduct EMR150 Joint Replacements

Dartford Crossing, Kent

Undertook the design development of the expansion joint system with OIL and CPS, supply of materials and expansion joints, removal of existing Type 6 expansion joints and phased installation of two new 21.4m long Type 6 EMR150 expansion joints in night-shift traffic management closures

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A1 Rowley Bridge Temporary Works Installation

Gateshead, Tyne and Wear

Manufacture and installation of temporary fail-safe stools and elastomeric bearings to support the existing bridge decks at the three bridge piers. Works included ferroscan assessment of the existing bearing shelf reinforcement, concrete repairs, bearing installation, stool installation, flat jack installation & energising and grouting of the assemblies into position

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