2024年8月6日 · The 880-metre-long tunnel sits between the twin bored Northolt Tunnel and the Colne Valley Viaduct. The Copthall Tunnel is one of five green tunnels on the HS2 route, which are shallower tunnels that will be finished with trees, plants, and shrubs on top – helping them blend into the natural landscape.

HS2 - Copthall Tunnel. Location: UK Customer: SCS JV Working years: 2023 - 2024 Project information: Copthall Tunnel is one of five green tunnels being built along Phase One of the new high-speed rail route. Situated between HS2’s Northolt Tunnel and the Colne Valley Viaduct, the 880m-long reinforced concrete tunnel will blend into its ...

2023年6月15日 · Engineers working on the HS2 project are celebrating progress as they have completed the western portal of the Copthall Green Tunnel. Located in Hillingdon, the 880m long tunnel structure sits between the twin bored Northolt Tunnel and the Colne Valley Viaduct.

The team at SGS are extremely proud to have been awarded our first scope of works on the prestigious HS2 infrastructure project. Our main scope of work consists of cladding the 5 major concrete vent shafts along the Copthall tunnel section of the line.

The project comprises the construction of a 1,000m long cut and cover tunnel constructed progressively from West to East. The Kilnbridge scope includes all of the formwork, reinforced concrete and waterproofing works, as well as the construction of over bridges, ventilation shafts and maintenance structures.

Copthall Tunnel is one of five green tunnels being built along Phase One of the new high-speed rail route. Situated between HS2’s Northolt Tunnel and the Colne Valley Viaduct, the 880m-long reinforced concrete tunnel will blend into its natural surroundings, covered with trees and plants once construction is complete.

2023年8月22日 · Innovative moving formwork is helping to speed construction of High Speed 2’s Copthall Tunnel in north west London. C opthall Tunnel is one of five green tunnels being built along Phase 1 of High Speed 2 (HS2) between London and Birmingham.

The proposed Copthall Tunnel will include two portal entrances at either end, a single-track siding, and five natural ventilation openings at 200 metre intervals along the top of the tunnel. The tunnel will be constructed using a cut and cover technique, with material being excavated to facilitate the construction of the tunnel concrete box ...

2023年6月19日 · Engineers working on the HS2 rail project have completed the western portal of the Copthall Green Tunnel. Located in Hillingdon, the 880-metre-long tunnel structure sits between the twin bored Northolt Tunnel and the Colne Valley Viaduct.

2023年6月21日 · HS2’s Copthall Green Tunnel has taken a step forward this week, with completion of the western portal. The 880m long tunnel structure sits between the twin bored Northolt Tunnel and the Colne Valley Viaduct.