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Firms signed up to £250m tube frameworks

London Underground has signed up seventeen contractors to overhaul the 151-year old tube networks’ power lines and supplies routes.

A host of firms including Balfour Beatty Engineering Services, Clancy Dowcra, McNicholas, J Murphy & Sons and C Spencer will join other specialist electrical contractors on two eight-year frameworks.

Worth up to £250m, the two frameworks will run concurrently in what London Underground’s director of major programmes David Hughes described as the “biggest programme of Tube modernisation ever seen”.

The zero-value contracts, so-called because there is no cast-iron guarantee of work, involve the design, installation and commissioning of a high voltage substation and 11kv and 22kv cable routing.

The contractors in full:

  • ABB
  • Alstom Transport UK
  • Balfour Beatty Engineering Services
  • C Spencer
  • Clancy Docwra
  • Data Techniques
  • Giffen Group
  • High Voltage Maintenance Services
  • Industrial Switchgear Services
  • J Murphy & Sons
  • MJ Quinn Integrated Services
  • McNicholas Construction Services
  • Thorntask
  • TXM Group (Ombros Integrated Services)
  • UK Power Networks Services (Commercial)
  • URS Infrastructure  & Environment UK
  • Vital Human Resources Limited & Electren UK



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