05.08.15
GSM-R contract for Heathrow tunnels
GSM-R coverage is to be extended from the Great Western Main Line into the Heathrow tunnels, under a new Network Rail contract awarded to ADComms.
The installation is a key enabler for Crossrail and of ETCS (European Train Control System) level 2 compliance, replacing the existing CSR (cab secure radio) system.
ADComms will work with Heathrow Airport, Network Rail and Crossrail, and will install 15,000 metres of leaky feeder technology, 15,000 metres of fibre, nine repeaters and antennas at the tunnel portal and the stations within the tunnel infrastructure.
Senior project manager Fay Neill said: “This is an important project which, by enabling Crossrail trains to run, will deliver an improved experience for passengers. Commuters will have more choice as to their preferred route in and out of the city of London, with the option to use Heathrow Connect, Heathrow Express or Crossrail.”
ADComms (formerly known as AlanDick Communications) chief executive Jason Pearce said the company’s previous successful installation of leaky feeder technology across Merseyrail in Liverpool, including the Mersey Tunnels, helped cement its reputation. That project was shortlisted in the Signalling & Telecommunications category of the 2015 UK Rail Industry Awards.
The Heathrow GSM-R project should be complete by July 2016. From May 2018, Crossrail will provide four trains per hour in each direction between central London and Heathrow Airport (Terminals 1-3 and Terminal 4), replacing the two trains per hour Heathrow Connect service.
Another key enabler of the new Crossrail services is the new Stockley Flyover (designed by Jacobs and being built by Carillion), helping to provide conflict-free crossing of the main line. The first phase opened at the end of last year and is already carrying Heathrow Connect services to and from Heathrow. The second phase of the structure will carry Heathrow Express services down from the flyover onto the main line to Paddington. Completion of those track works is due next year.
