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Reduction in number of Crossrail access shafts

Crossrail last week successfully removed eight permanent access and ventilation shafts used for emergency evacuations from the mega-project’s design, significantly reducing the impact of construction on the capital.

The announcement was the culmination of year-long negotiations with the London Fire Brigade, which agreed in principle that the shafts could be removed, subject to its assessment of Crossrail’s fire and evacuation strategy.

The permanent access and ventilation shafts would be around 9m in diameter, with a structure on top the size of a one or two storey building and used to evacuate passengers in an emergency. They are to be replaced by 18 cross passages between tunnels.

If there is an incident, passengers will be able to move across into the neighbouring tunnel and then continue along to a station.

  • Bechtel senior vice president Cliff Mumm will head up the team acting as Crossrail’s £400M Project Delivery Partner.    

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