Mechanical and electrical systems, Copenhagen Metro 

Phases 1 and 2a comprise the following main parts:

• 14 km of double-track railway, including 9 km in tunnels
• 13 metro stations, including 8 under ground
• 9 tunnel shafts for service access and evacuation, hereof 4 shafts with tunnel ventilation equipment.

COWI provided comprehensive consulting concerning the electrical and mechanical systems in the Copenhagen Metro. This included feasibility studies, basic design, preparation of specifications and tender documents, tendering, follow-up on contractors’ detailed design, construction management, site supervision, testing and commissioning. The electrical and mechanical systems include the following:

Electrical Systems:

• High and low voltage supply
• Uninterruptible power supply
• Cathodic protection
• Normal and emergency lighting
• Frost protection
• Telephone and radio communication
• Leaking cable for mobile phone
• Fibre optic based data networks
• Control and monitoring system for electrical and mechanical installations
• Fire detection
• Access control, automatic intrusion alarm
• Lifts and escalators.

Mechanical Systems:

• Tunnel ventilation systems
• Smoke ventilation in station
• Pressurisation of escape staircases
• Heating, ventilation and air conditioning of public and technical rooms
• Equipment for fire protection and fire fighting
• Escape route layout
• Escape and access doors
• Compressed air supply
• Tunnel, ramp and station drainage
• Sanitary installations.