The project in brief

The Kallang-Paya Lebar & central Expressway twin-tube tunnels (cut & cover) opened in 2008. In 2018 Land Transport Authorities (LTA) initiated a tender for refurbishing the tunnels including installation of a Fixed Fire Fighting System.

In 2018 it was decided that VID Fire-Kill´s TUNPROTEC® Low Pressure Watermist Solution was going to be installed during the refurbishment.

Why was a VID Fire-Kill solution chosen?

The TUNPROTEC® system offered several advantages to Land Transport Authority (LTA) e.g.:

  • TUNPROTEC offered significantly less consumption of water than conventional sprinkler systems
  • TUNPROTEC allowed for a significantly smaller water reservoir and drainage system
  • TUNPROTEC offered significantly less spatial requirements for pipes and valves

 

 

 

 

 

 

Some specifics

  • Tunnel Type: Road Tunnel “Cut & Cover”
  • Tunnel Length: The project includes more than 1200 deluge valves and 100 km. of prefabricated pipes
  • Tunnel Width: Varies between 12 m – 30 m
  • Installation Year: 2019-21
  • Tunnel Height: 5.9 m

 

Products used for this case

Low Pressure Watermist Tunnel Fire Protection System

Model TUNPROTEC

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