Royaume-Uni
| Chantier | The works are progressing well. Mapei waterproofing products and accessories were supplied by BlueBay Building Products Ltd. |
|---|---|
| Localisation | Royaume-Uni |
| Type de projet | GARE FERROVIAIRE, LIAISON FERROVIAIRE, TUNNEL |
| Intervention |
Copthall Green Tunnel sits between the twin bored Northolt Tunnel and the Colne Valley Viaduct. It is one of five shallower green tunnels on the HS2 route; its ‘cut and cover’ design significantly reduced the movement of soil and approx.
1.21 million cubic metres of excavated material were kept on site for reuse within the tunnel surroundings. This ensured a greener and better visual integration of the railway within the surrounding landscape. SCS’s role on the project was to construct a rigid concrete box structure within a 20m deep cutting, which ultimately formed the green tunnel for the HS2 trains. This was constructed using steel reinforcement and in-situ concrete to form the base, walls and roof of the structure. During the project the Kilnbridge team installed both the Mapeproof ALAP system and the Mapeproof AL 1200 AP system to the base and walls. |
| Type d'intervention | Imperméabilisation, Travaux souterrains |
| Maître d'ouvrage/entreprise générale | Skanska Costain STRABAG Joint Venture (SCS JV) |
| Entreprise de construction/pose | Kilnbridge team |
| Distributeur MAPEI | BlueBay Building Products Ltd |
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