Logo which is a home page link and site search box

Main navigation


For many years a significant portion of OnSite's activities have been within the rail sector; both on or near the track and at a wide variety of property facilities including stations and depots.

Sewer & drainage (drains, culverts, watercourses) maintenance

Trackside assets

  • Track drainage and catchpits
  • Culverts and tunnel drainage
  • Earthworks' and land drainage

Station and depot assets

  • CET, foul & surface water drainage
  • Oily water drainage & oil interceptors
  • Collector and pumping sumps

Services include:

  • Cleaning / jetting
  • CCTV inspection
  • Chamber inspection surveys
  • Drain tracing & mapping
  • Flow monitoring surveys
  • Load monitoring surveys
  • Discharge monitoring
  • Combined sewer overflow (CSO) monitoring
  • Pipe rehabilitation using Cured-in-Place Pipe (CIPP) lining (hot cure & UV cure)
  • Patch repair lining
  • Specialist robotic cutting (roots, concrete, laterals)
  • Sealing of sewers (resin injection)
  • Slot cutting (Soon)
  • Overpumping

Pipe replacement

  • Directional drilling
  • Auger boring
  • Laser guided auger boring
  • Pipe reaming
  • Pipe jacking
  • Pipe bursting
  • Slip lining
  • Large structural liners, GRP, Steel, UV
  • GRP/GRC segment liners
  • Ferro-cement spray

Above ground surveys

  • Railway station surveys
  • Impermeable aea studies
  • Drainage area studies
  • Feasibility studies
  • Pumping station surveys
  • Topographic surveys
  • GPS asset surveys
  • Asset tracing and digital
  • Digital mapping (CAD) of underground assets
  • Utility mapping
  • Urban pollution management studies
  • Planned general Inspections (PGI) - rail

Temporary dams

  • Supply & installation of portable and temporary dams

Civil engineering

  • General civils
  • Track drainage replacement (Open cut method)
  • Track drainage maintenance
  • Spot repairs (Open cut method)
  • Under track crossings
  • Trial holes
  • Catch pit repairs/rebuilds/raising
  • Catch pit cover replacement
  • Ballast replacement
  • Pathways installation and widening - concrete, GRP
  • Nosing stone replacements/realignments
  • Tunnel cleaning
  • Embankment stabilisation
  • Under track crossings

Vegetation management

  • Vegetation removal
  • Tree felling


  • Hoardings
  • Steel work - Cat ladders, cable posts, stair cases, hand rails
  • Scaffolding
  • Installation of fencing, access gates and access steps
  • Installation of cable ducts
  • Installation of elephant trunk cable ducts

OnSite blog area

Footer navigation area

Contact Us

Accreditation logos and link to more details