4 Lines Modernisation (4LM)

Transforming the Circle, District, Hammersmith & City and Metropolitan Lines

In 2015, London Underground contracted with Thales GTS to provide new signalling for the 4 subsurface lines: Circle, District, Hammersmith & City and Metropolitan.  This is the largest single signalling upgrade on the network covering some 40% of London Underground traffic.  Jackman Enterprises was commissioned by Thales to become part of the contract negotiation team in the 6 months leading to contract award, focussing on the scope of delivery as set out in the contract works information.  This was followed by the delivery of some specific consultancy packages in the initial stages of the project start up to assist in a number of early risk reduction activities.

What Jackman Enterprises Delivered

  • Works information drafting and negotiation
  • Embedded in contract finalisation team
  • Early risk reduction hands on delivery
  • 1st closures planned and delivered
  • Procurement strategies for critical trackside hardware
  • Subcontractor negotiations

 

Scale

  • 40% of Tube Network
  • Infrastructure dating back to 1863
  • 192 Trains
  • 102 stations
  • CBTC signalling
  • 32 Trains per Hour
Other Related Projects:

Jubilee and Northern Line

SSR Signalling

Victoria Line Data Radio

Crossrail Station Systems Integration