E&M Works for 2 sections of dual-tube two-lane Tunnels (Cheung Shan Tunnel (CST) & Lung Shan Tunnel (LST)), 56 nos. of Cross Passage areas & Building Services Systems for 6 auxiliary Buildings.
E&M System
- 49 Cross Passages in LST, with LV switchgear, ventilation systems and other building services systems
- 7 Cross Passages in CST, with LV switchgear, ventilation systems and other building services systems
- E&M Systems for 5 Vent Buildings and Administration Building with Electrical Services System, Environmental Control System, Central Monitoring & Control System (Include Software Development), Tunnel Ventilation System, Fire Services System, Plumbing & Drainage System, ELV Systems (CCTV & Access Control).
Scope of works
Design, manufacture, supply, installation and Testing & Commissioning (T&C) of all Electrical & Mechanical (E&M) services (in JV with Bouygues Travaux Publics):
Environment Control System (ECS) & Mechanical Ventilation & Air-Conditioning (MVAC)
- Air Conditioning System
- Mechanical Ventilation System
- Indoor Air Quality System
- Solar Panel Heating 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
Electrical System
- Electrical Power Supply System
- HV System
- Power Transformer
- LV Switchboard
- Emergency Generator System
- UPS
- Tunnel Lighting System
- Photovoltaic Panel System
Extra Low Voltage (ELV)
- E&M Security System
Fire Services (FS)
Plumbing & Drainage (P&D)