Train Crew Accommodation for The Extended Circle Line, Griffiths House, Edgware Rd, 2010

BBC NEWS | England | London | Circle Line extended to the west

As outlined in the Hammersmith TCA project From December 2010, the Circle Line was extended to Hammersmith in west London using tracks shared with District, Hammersmith & City and Metropolitan lines.

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The plan was developed to introduce a fixed terminus at Hammersmith to help improve reliability and capacity on the line and was the first phase of the Sub Surface lines upgrade, (which also includes a fleet of new air conditioned trains and a new signalling system).

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As Howard Collins (the Chief Operating Officer) pointed out at the time; "The added benefit will be the improved service on the Hammersmith & City Line from Edgware Road round to Hammersmith, almost doubling the frequency on that route."

The ‘eastern’ end of this project required a Train Crew Accommodation Facility (TCA) to be installed at Edgware Rd tube.

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The location chosen was Griffiths House a TfL 5 storey building adjacent to the station.

wpa were required to design a re-fit for 2 floors, forming a self contained resilient shell within the fully occupied building and creating a bridge link to the station from the building.

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The installation was required to meet TfL’s stringent energy requirements while hooking up to existing m&e and data/IT systems.

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