Kallang-Paya Lebar Tunnel and Central Expressway Tunnel

Kallang-Paya Lebar Tunnel and Central Expressway Tunnel - Singapore

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 Firefighting System. In 2018 it was decided that the TUNPROTEC Low Pressure Watermist Solution should be installed during the refurbishment.

  • 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


 

The TUNPROTEC system offered several advantages to Land Transport Authorities (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
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