OLE Surveys

OLE Surveys

The UK’s fastest growing railway surveying company, SEP Rail Services is also one of just a handful with significant experience of working with overhead line equipment.

From height and stagger surveys and HDS surveys of infrastructure to utility mapping and control network installation, our OLE surveys are essential for any client seeking to undertake track or civils design works (including platforms and over bridges) on or adjacent to OLE routes.

Working in accordance with best practice and the relevant Network Rail Standard (NR/L2/TRK/3100 MOD 05), we use the very latest in survey technology to collect vital data relating to overhead line equipment. What’s more, by exploiting the capabilities of our cutting edge 3D laser scanners, it’s often possible to capture the information required at speed and, potentially, without actually needing to access the track. As a result, we reduce both risk and time on site, thus accelerating project deliverables and minimising cost in the process. As an added benefit, a registered point cloud can be created for further design and engineering purposes.

OLE Surveys
OLE Surveys

Electrification projects

As one of the UK’s most respected rail surveying firms, it’s no surprise that we have a wealth of experience when it comes to OLE surveys. Just a small selection of the electrification projects our team have worked on, the following should help illustrate our capability in this area…

  • Great Western Electrification Program (GWEP) Phase 1
  • Great Western Electrification Program (GWEP) Phase 2
  • Midland Mainline Electrification
  • Stirling Dunblane Alloa (SDA) Electrification Project
  • West Coast Route Modernisation (WCRM)
  • High Output Track Renewals (HOTR)

Get in touch

For more information on our OLE surveying capabilities and, in particular, height and stagger surveys, please get in touch. A member of our team will be only too happy to help.

Railway Gauging Surveys

Gauge Clearance Surveys

Working to Network Rail Standard NR/L2/TRK/3203 and using cutting-edge laser measurement equipment, we deliver the profile and vital clearance information your railway projects so desperately need.


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