Rail Electrification | OLE & Third Rail Installation
Rail Electrification Solutions for UK Rail Infrastructure
Cairn Cross delivers specialist rail electrification services across the UK, including Overhead Line Equipment (OLE), third rail, earthing & bonding, cable management and electrification civil works.
Specialist Rail Electrification Services
Rail electrification is essential to the safe, efficient and reliable operation of the UK railway network. Cairn Cross delivers specialist rail electrification services for depots, maintenance facilities and operational rail infrastructure, providing complete solutions from civil engineering and installation through to testing and commissioning.
Our experienced teams work safely within live railway environments to deliver compliant infrastructure that supports the long-term performance of electrified rail networks.
Our specialist services include:
- Overhead Line Equipment (OLE)
- Third Rail Systems
- Earthing & Bonding
- Cable Management
- Electrification Civil Works
Applications
Our rail electrification services support:
- Rail depots
- Rolling stock maintenance facilities
- Train maintenance centres
- Fleet stabling facilities
- Depot extensions
- New rail infrastructure
- Electrification upgrades
- Operational railway environments
Our Rail Electrification Services
Overhead Line Equipment (OLE)
Cairn Cross delivers the installation of Overhead Line Equipment (OLE), including foundations, masts, support structures, cantilevers and associated infrastructure. Our installations are designed to meet Network Rail standards while providing reliable and durable electrification solutions for depots and operational railway environments.
Third Rail
Our teams install third rail systems for maintenance depots, stabling facilities and operational rail infrastructure. We provide safe, compliant installations that integrate seamlessly with existing railway assets while supporting efficient train operations.
Earthing & Bonding
Correct earthing and bonding are fundamental to railway safety. Cairn Cross installs comprehensive earthing and bonding systems designed to protect infrastructure, equipment and personnel while ensuring compliance with UK rail electrical standards.
Our services include:
- Protective bonding
- Structure bonding
- Return current arrangements
- Electrical safety installations
- Compliance testing
Cable Management
Effective cable management is critical to maintaining reliable railway electrification systems. Cairn Cross designs and installs cable containment solutions that protect essential electrical infrastructure and simplify future maintenance.
Our cable management services include:
- Cable routes
- Containment systems
- Cable troughing
- Ducting
- Support systems
- Electrical infrastructure integration
Electrification Civil Works
Our civil engineering expertise supports every stage of rail electrification projects. We deliver the enabling works required for safe and efficient installation of OLE and third rail infrastructure.
Services include:
- Foundation construction
- Reinforced concrete bases
- Excavation works
- Drainage
- Structural concrete works
- Access routes
- Cable routes
- Ducting installations
- Infrastructure modifications
Applications
Our rail electrification services support:
- Rail depots
- Rolling stock maintenance facilities
- Train maintenance centres
- Fleet stabling facilities
- Depot extensions
- New rail infrastructure
- Electrification upgrades
- Operational railway environments
Why Choose Cairn Cross
Cairn Cross combines rail engineering expertise with practical construction experience to deliver complete rail electrification solutions throughout the UK.
Our integrated approach enables clients to appoint a single contractor capable of delivering:
- Rail electrification
- Civil engineering
- Structural works
- Electrical installation
- Testing and commissioning
Working safely within live operational rail environments, we provide reliable infrastructure that supports the future of Britain’s railway.
Canton VEMS
Installation of a new Vehicle & Equipment Measurement System (VEMS)
Customer
Transport For WalesSector
Rail InfrastructureEtches Park Walkways & Lighting
Installation of walkways, LED Strip Lighting and safety signage
Customer
Transport For WalesSector
Rail InfrastructureEastcroft Walkways and Lighting
Design, supply and install upgrade works for EMR at Eastcroft depot
Customer
EMRSector
Rail InfrastructureCanton Bogie Drop
Delivering a State-of-the-Art Bogie Drop Facility for the TfW Core Valley Lines Transformation
Customer
Transport For WalesSector
Rail InfrastructureAllerton TrackPan
TrackPan installation for Buckinghams at Allerton Train Depot
Customer
BuckinghamsSector
Rail InfrastructureKings Heath
Siemens appointed Cairn Cross to construct a multifunctional facility at Kings Heath.
Customer
Siemens MobilitySector
Rail InfrastructureTonbridge Maintenance Facility
Cairn Cross built a new £2.5 million maintenance facility in Tonbridge to support GB Railfreight’s growing locomotive fleet.
Customer
GB RailfreightSector
Rail InfrastructureSt. Phillips Marsh Carriage Wash Upgrade
Replacement of a carriage wash and plant room equipment
Customer
Great Western RailwaySector
Rail InfrastructurePeterborough Maintenance Hub
A Design and build project to supply a new rail maintenance hub facility with a new building and p-way siding.
Customer
GB RailfreightSector
Rail InfrastructureKettering Train Hand Wash Facility
New hand washing facilities and TrackPan walkway installation to allow workers safe access to the train.
Customer
EMRSector
Rail InfrastructureMachynlleth Depot Upgrades
A Design & Build project to supply a brand new tandem wheel lathe facility with new building and new p-way siding.
Customer
Transport for WalesSector
Rail InfrastructureCentral Rivers Wheel Lathe
A Design & Build project to supply a brand new tandem wheel lathe facility with new building and new p-way siding.
Customer
Bombardier/Alstom RailSector
Rail InfrastructureSouthend Victoria AVIS
AVIS system installation from Cairn Cross along the existing rolling stock carriage wash facility at Southend Victoria Depot.
Customer
Greater AngliaSector
Rail InfrastructureTim Horton’s Restaurants
Cairn Cross was instructed to undertake all external civil works on a build-only basis for a new restaurant chain.
Customer
ThompsonsSector
Highway, Bridges & StructuresHull Botanic Gardens Maintenance Depot Extension
Rail depot infrastructure upgrades and structural modifications to rail shed building.
Customer
Northern RailSector
Rail InfrastructureKing’s Heath AVIS
To install an AVIS system along the existing carriage wash at King’s Heath Depot
Customer
SiemensSector
Rail InfrastructureGreenholme Mills
Groundworks to renovate a textile mill into luxury apartments.
Customer
MMRSector
Highway, Bridges & StructuresSt Nicholas Church Retaining Wall Restoration
Cairn Cross has completed works repairing a retaining wall on the boundary of St Nicholas Church, Bradfield.
Customer
St Nicholas ChurchSector
Highway, Bridges & StructuresOxley Depot Subsidence
Due to subsidence issues, Cairn Cross replaced 137m length of the Road 16 rail pit walls and associated works.
Customer
AlstomSector
Rail InfrastructureGlasgow AVIS & Carriage Wash
Design and build project to replace an AVIS and carriage was facility at SPT depot.
Customer
WilcomaticSector
Rail InfrastructureNeville Hill Wheel Lathe
Project to deliver the civils and foundations for the installation of the Network Rail owned Wheel Lathe.
Customer
RMTSSector
Rail InfrastructureA511 Junction & Level Crossing Works
This project formed part of the Bardon Hill Quarry Extension Project – Phase 1. The requirement was for upgrade works to the A511 highway and upgrade of the existing Level Crossing.
Customer
Aggregate IndustriesSector
Highway, Bridges & StructuresTingley Mills Phase 1 Infrastructure Works
As part of the Tingley Mills Residential Phase One redevelopment, Cairn Cross supplied various groundworks, drainage, storm attenuation and S278 surfacing works.
Customer
MMRSector
Highway, Bridges & StructuresHayle Bridge Strengthening Works
Strengthening works to the bridge spanning the Copperhouse Pool tidal reservoir
Customer
Home BargainsSector
Highway, Bridges & StructuresCET Upgrade & Installation at Stockport
Design and build project to upgrade the Stockport Sidings CET system to enable CET operations on the new rolling stock fleet.
Customer
Northern RailSector
Rail InfrastructureSheffield LMD Works
Project to increase the servicing capacity at Sheffield Depot. The provision of Canopies, services, lighting and TrackPan containment at each end of the shed increased fueling provisions, AdBlue, CET point, expanded oil distribution facility.
Customer
Northern RailSector
Rail InfrastructureWednesbury Access Platforms
Cairn Cross built Steel Structure and gantry walkways to access the top of the trains in the depot.
Customer
Transport for West MidlandsSector
Rail InfrastructureOxford Beech House Basement Works
The project required the excavation and installation of a new waterproof reinforced concrete basement to support a five-story student accommodation building.
Customer
Winvic Construction LtdSector
Highway, Bridges & StructuresTrafford Wheel Lathe
A Design & Build project to install a new Wheel Lathe, swarf conveyor and associated works.
Customer
Transport for Greater ManchesterSector
Rail InfrastructureToton Wheel Lathe
DB Schenker required a new U2000-400 underfloor wheel lathe at Toton to replace the current ageing Lathe. Cairn Cross removed the old Lathe and altered the existing pit to accept the new Lathe.
Customer
DB Cargo UKSector
Rail InfrastructureElland Road Bridge Replacement
Cairn Cross worked as a Specialist Subcontractor to help deliver a replacement of a two-track bridge in Leeds, Yorkshire.
Customer
May GurneySector
Highway, Bridges & StructuresWimbledon Wheel Lathe
Cairn Cross Civil Engineering Limited completed a replacement of a rail depot pit drop and train wheel lathe.
Customer
South West TrainsSector
Rail InfrastructureNew RRV Maintenance Shed at Crewe
Design and build scheme to provide a new shed facility to accommodate Road Rail Vehicles (RRV) on the depot.
Customer
Network RailSector
Rail InfrastructureTrain Wash Systems in Perth
Train Wash Systems Facility was constructed along with associated electrical and waterworks in Perth, Scotland.
Customer
Network RailSector
Rail InfrastructureCarriage Wash Installation at Holyhead
A Design and Build contract to deliver a new carriage wash shed and facilities to wash trains on the sidings at night so that vehicles are cleaned and maintained before leaving the depot in the morning.
Customer
Network RailSector
Rail InfrastructureOld Flatts Bridge Strengthening Works
Due to the shortening of the span between the abutment faces, the client required rehabilitation to restrengthen the bridge.
Customer
Eurovia ContractingSector
Highway, Bridges & StructuresLongsight Front Entrance and Car Park
A new security building and car park facility were required at the entrance to the existing maintenance depot.
Customer
AlstomSector
Highway, Bridges & StructuresStoke-on-Trent Wheel Lathe
Depot upgrades, including a new rail Wheel Lathe, foundations and external concrete access roads civil engineering works.
Customer
DB Cargo UKSector
Rail InfrastructureGosforth Train Wash
A Design & Build project to replace an existing train wash with a new facility, including a water recovery system.
Customer
NexusSector
Rail InfrastructureLongsight Wheel Lathe Installation
Replacement wheel lathe and maintenance pit reconstruction.
Customer
AlstomSector
Rail InfrastructurePortobello Carriage Wash Installation
Installation of CET modules and train carriage wash facility for East Coast Mainline in Portobello, Edinburgh
Customer
East Coast MainlineSector
Rail InfrastructureWembley Wheel Lathe Replacement
A design and build project with Cairn Cross as the main contractor replacing a wheel lathe and reconstructing a maintenance pit.
Customer
AlstomSector
Rail InfrastructureCraigentinny Underfloor Wheel Lathe Installation
Turnkey design and build contract to replace a single-headed wheel lathe with a new single headed Hegenscheidt CNC wheel lathe requiring actuations to the existing structure.
Customer
Network RailSector
Rail InfrastructureThornhill Bridge Strengthening Works
This project was to supply grit blast painting and a new concrete bridge deck to comply with highway loadings.
Customer
Network RailSector
Highway, Bridges & StructuresOxley Train Depot Extension
Provision of a new shed facility to accommodate the new 11 car fleet of trains.
Customer
Alstom TraincareSector
Rail InfrastructureQueens Road New Maintenance Depot
Design and build contract for the provision of a maintenance workshop and associated works.
Customer
Stagecoach MetrolinkSector
Rail InfrastructureControlled Sewer Overflow (CSO) Installation at Darnall
Construction and associated works of multiple Combined Sewer Overflow (CSO) units for Yorkshire Water.
Customer
Peter Duffy & Yorkshire WaterSector
WaterTodwick Road Bridge Deck Replacement
Working as a specialist subcontractor, Cairn Cross helped deliver the deck replacement on behalf of Ringway.
Customer
RingwaySector
Highway, Bridges & Structures