FOR STRUCTURAL INVESTIGATIONS ACROSS ENGLAND & NORTHERN IRELAND
Call: 01707 327 785 Email: testing@hendersonthomas.co.uk

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  • We are the UKAS Accredited PTSI & NDT Experts

London Underground - 25 years of Testing

London Underground - 25 years of Testing by HTA

RISQS Approved & ICI Certificated Staff for LUL

Working on London Underground (LUL) assets is complex in nature, plus accessing and completing such works requires careful planning, therefore it is paramount to employ a company who can competently fulfil all requirements.

HTA are RISQS accredited to carry out inspections to a variety of LUL Assets. This includes confined space inspections, tunnel inspections and other standard inspections from the track side.


Maximise projects & minimise problems
employ HTA Certificated personnel
trained with specialist access equipment


An example of Inspections HTA have undertaken

LONDON UNDERGROUND INSPECTIONS & INVESTIGATIONS INCLUDE:

  • Brunel Tunnel - worlds first tunnel to go under a river
  • Tunnel Cooling Project
  • Kings Cross Development
  • Central Line Infrastructure - Asset Inspections
  • Various Depots - Asset Inspections inc. Lighting Columns

London Underground - 25 years of Testing by HTA

HTA @ Knightsbridge carrying out Structural Investigation of Culvert 'K1 Project'


Maximise the above Inspections with the following:

London Underground - 25 years of Testing by HTA

HTA can provide a Full Remit of services, removing the hassle of managing multiple companies on site and are able to undertake and supply the following:

  • Concrete Condition Surveys
  • Coring Investigations
  • Topographical Surveys
  • Ground Investigation Surveys
  • Metal Work & Steel Surveys (Corrosion)
  • Weld Inspections & Investigations
  • ICORR Paint Testing
  • Pendulum Slip Testing
  • Confined Space Working
  • Compliance Testing

Watch HTA carrying out Night shift Coring Work

To determine the Arch Thickness plus acquire Dust Samples

Watch more videos of the HTA crew at work by clicking here


Take advantage of our Open Door Policy

Even if you do not end up using HTA we are happy to advise on the best course of action for the outcome you wish to achieve.

It is impossible for one company to carry out every project, however we can share our expertise far and wide.

Call: 01707 327 785 or Email: testing@hendersonthomas.co.uk