Contract No. ED/2018/04 Trunk Road T2 and Infrastructure Works for Developments at The Former South Apron

Nov 2019 - July 2025

This project is sub-sea tunnel infrastructure including 1 tunnel and 2 ventilations building. The tunnel is constructed between CHA KWO LING and Kowloon Bay. Total length is around 3.4km from Western Tunnel Portal to East Ventilation Building.

There are total 33nos. of Cross Passages (CP) inside tunnel, 7nos. of E&M CPs for E&M system installation.

Building Services will be installed in East Ventilation Building and West Ventilation Building including the Air Purification System is inside WVB for handling tunnel air quality.

Tunnel Ventilation system are used for Fire Safety Smoke Control and air quality. Tunnel ventilation fan will be controlled and monitored through the CMCS and AQMS at both West Ventilation Building and East Ventilation Building.

 




Scope of works

Design, manufacture, supply, installation and Testing & Commissioning (T&C) of all Electrical & Mechanical (E&M) services:Environment Control System (ECS) & Mechanical Ventilation & Air-Conditioning (MVAC)

  • Air Conditioning System
  • Mechanical Ventilation System
  • Air Purification System
  • Central Monitoring and Control System (CMCS)

Tunnel Ventilation System (TVS)

  • Tunnel Ventilation Fans System
  • Motorized Fire and Smoke Dampers
  • Motor Control Cubicle
  • Air Quality Monitoring System
  • Linear Heat Detection System

Electrical System

  • Electrical Power Supply System
  • HV System
  • Power Transformer
  • LV Switchboard
  • Emergency Generator System
  • UPS
  • Tunnel Lighting System
  • Road Lighting System

Extra Low Voltage (ELV)

  • E&M Security System

Fire Services (FS)

  • FM200 System
  • FS Sprinkler/HR/FH System
  • AFA System

Plumbing & Drainage (P&D)

 

Client Civil Engineering & Development Department
Project Contract No. ED/2018/04 Trunk Road T2 and Infrastructure Works for Developments at The Former South Apron
Location Kwun Tong – Kowloon Bay, HK
Main Contractor Dragages Hong Kong Ltd.
Consultant Hyder-Meinhardt JV
Year Nov 2019 - July 2025