Railway Tunnel

KCRC – Kwai Tsing Tunnels

Completed Project

Three tunnel sections, three different methods

The 3.6 kilometre-long Kwai Tsing Tunnels, over three individual sections, were part of the West Rail project. Each of the sections presented engineers with varying tunnelling conditions. As such, Dragages opted for different construction methods: drill-and-blast, Tunnel Boring Machine (TBM) and cut-and-cover.

The second section ran below a MTR line and highway roundabout. To cater for the mixed ground conditions, Dragages brought a dual mode Earth Pressure Balanced TBM, for the first time, to Hong Kong. Unlike traditional TBMs, the machine is capable of excavating both soft ground and rock.

Attaining the highest civil engineering and environmental standards, the tunnel was completed on time without causing disturbances or major disruptions to residents or road traffic.

Client Kowloon-Canton Railway Corporation
Joint-venture project Construction of two
3.6 km railway tunnels
TBM 1,500 tonnes, 105 m long, average advance rate at 12 m/day
Construction period 1998 - 2003

Reminder: Fake purchase orders are circulating under the names of Bouygues Construction and the group’s subsidiaries. Protect yourself by carrying out the following checks as a matter of habit:

  • Look for the QR code that is present on every Bouygues Construction purchase order.
  • Check that your contact email address ends with  @bouygues-construction.com or @dragageshk.com
  • If in doubt, or if you receive a fake email, be sure to get in touch with your usual Bouygues contact or use the contact form available on this website.