Building Services(BS) Provisions for Sump Pit at Northern Landfall and Southern Landfall at Tuen Mun-Chek Lap Kok Link Northern Connection Sub-sea Tunnel Section

May 2019 - January 2020

The Tunnel sump pump system is provided at both Southern landfall and Northern landfall to prevent water flooding. In connection, tunnel sump pump control system and main power supply from nearest ventilation building to local motor control panel also part of whole installation work.


Scope of works

  • Total install of 6 nos. 450l/s tunnel sump pumps and 4 nos. dewatering pumps at Southern and Northern landfall.
  • The scope of work also including supply and install of main power cable from Ventilation building to Local Motor Control Panels as well as pump control system.
Client Dragages – Bouygues Joint Venture
Location Southern Landfall and Northern Landfall at Tuen Mun – Chek Lap Kok Link – Northern Connection Sub-sea Tunnel Section
Consultant ATKINS for Southern Landfall and ARUP for Northern Landfall
Year May 2019 - January 2020