Mechanical and Electrical Services
Cairn Cross Mechanical & Electrical Services
Cairn Cross provides mechanical and electrical services across the UK, including DNO installations, LV/HV systems, substations, lighting, ventilation, CCTV, and fire alarm installations.
Integrated M&E Solutions for Infrastructure and Rail Environments
Cairn Cross delivers comprehensive mechanical and electrical services tailored to complex infrastructure, rail, and industrial environments across the UK. Operating as a principal contractor with in-house design capabilities, we provide fully integrated M&E systems that support safe, efficient, and compliant operations.
Our experienced engineers and project teams manage projects from concept and design through to installation, commissioning, and ongoing support, ensuring seamless delivery with minimal disruption to live operational environments.
Operating in complex and live environments, our team combines technical expertise with practical delivery to ensure safe, efficient, and fully compliant installations that support long-term operational performance.
Our Mechanical & Electrical Services
Cairn Cross provides a complete range of specialist M&E services, including:
- DNO Installations
- LV & HV Installations
- Substations
- Fume Extraction Systems
- Lighting Installations
- Heating & Ventilation Systems
- CCTV Systems
- Fire Alarm Installation
Each system is designed and delivered in accordance with UK industry standards, ensuring reliability, efficiency, and long-term performance.
We manage and deliver DNO (Distribution Network Operator) installations, ensuring safe and compliant connections to the national grid. Our services include coordination with utility providers, infrastructure preparation, and full integration with site electrical systems.
LV & HV Installations
Cairn Cross provides low voltage (LV) and high voltage (HV) electrical installations to support new developments, depot upgrades, and infrastructure enhancements. Our solutions are engineered for resilience, scalability, and operational reliability.
Substations
We design and construct electrical substations to support increased capacity, power upgrades, and new-build facilities. Our services include foundations, switchgear installations, containment systems, and full commissioning.
Fume Extraction Systems
Our team designs and installs fume extraction systems within rail depots and industrial environments to improve air quality, enhance safety, and meet environmental compliance standards.
Lighting Installations
We deliver internal and external lighting systems engineered to improve visibility, safety, and energy efficiency across operational environments, including depots, maintenance facilities, and infrastructure sites.
Heating & Ventilation Systems
Cairn Cross installs heating and ventilation systems that enhance environmental control and workforce comfort within industrial and rail facilities. Our solutions are designed for efficiency, compliance, and long-term performance.
CCTV Systems
We provide integrated CCTV systems to improve site security, operational oversight, and asset protection. All installations are carefully planned to ensure seamless integration within existing infrastructure.
Fire Alarm Installation
Our fire alarm systems are designed and installed to meet current fire safety regulations and industry standards, providing reliable detection, clear notification, and enhanced protection for personnel and assets.
Safe, Compliant, and Efficient Delivery
Working within live operational sites requires precision planning and strict adherence to safety standards. Cairn Cross ensures:
- Full CDM 2015 compliance
- NICEIC-certified electrical installations
- Integration with existing infrastructure
- Minimal operational disruption
- Energy-efficient and future-ready systems
- Thorough testing and commissioning
Cairn Cross is proud to be NICEIC accredited. This prestigious accreditation reflects our team’s technical expertise, rigorous safety protocols, and dedication to delivering exceptional electrical services. For our clients, this provides confidence that all electrical works are safe, compliant, and completed to the highest industry standards. We have proudly held this accreditation since 2014.
Why Choose Cairn Cross for Mechanical & Electrical Services
With extensive experience across rail, infrastructure, and industrial sectors, Cairn Cross combines engineering expertise with practical delivery. Our turnkey approach ensures mechanical and electrical systems are seamlessly integrated, technically robust, and aligned with each client’s operational requirements.
Allerton 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