Working with Skanska Costain STRABAG Joint Venture to deliver the London Tunnels programme for HS2, we are designing and installing massive temporary roof structures to protect a number of storage areas known as TBM Arisings Storage Bins 1, 2, and 3 in West Ruislip in west London. The London Tunnels project will excavate and build 13 miles of tunnels to take the final leg of the high-speed rail from West Ruislip.