Overhead Line Services


Our OLE Construction and Isolations division is recognised as being the key specialist supplier of OLE services throughout the UK and for many key clients including Network Rail, we are the supplier of choice.

From highly skilled OLE Construction Managers, Nominated Persons and electrification construction staff through to Isolation Planners we can offer a dedicated service working with our clients to exceed expectations. Our OLE teams are multi skilled and each team are equipped with calibrated tools and equipment required to perform all duties in a safe and controlled manner. Our OLE teams are strategically based across the UK which allows us to provide a dedicated service to ensure that the customer gets a convenient and reliable service. Our key objective is to help deliver works to budget, timescale and maintain a high level of safety at all times.

Our OLE staff are fully supported by a dedicated Management Team with many years combined experience in the planning and delivery of Isolations and OLE Construction works on the overhead line. Our innovative approach benefits customers by maximizing the utilisation of Isolation times and resources in a cost-effective manner.

Our OLE Projects Division also undertake OLE sub-contract package of works including supply and fabrication of OLE materials, supply of MEWP’s & Operators, POS service, Machine / Crane Controllers, OLEC3 linesmen, OLE Engineers / CRE and OLE Construction Managers.

We have specialised in undertaking bonding on Signalling schemes and have experienced bonding CRE’s, bonding installation teams that can install return scree cabling (RSC), track-to-track cross bonds, Insulated block joint bonds and Signal bonds.

Our design partners can also undertake the full design service including OLE Surveys, Form A, Form B and AFC designs with layout drawings and detailed cross sections.

OLE Construction

  • Height and Stagger Surveys
  • Erection of Overhead Structures
  • Installations of Small Part Steelwork
  • Installation of Catenary and Contact Wires
  • Overhead Line Adjustments
  • Maintenance of OHL Equipment
  • Maintenance and Installation of Tram Systems in the UK
  • Maintenance and Installation of High Speed Systems in the UK
  • Undertake Sub-Contract Packages of OLE Work


  • AC and DC Isolation Services
  • Isolation Planning
  • OHL Bonding and Minor Repairs
  • Supply of Nominated and Authorised Persons
  • Supply Calibrated Isolated Equipment