It is one of the three contracts of the proposed 16.5km long East-West Transmission Cable Tunnel. Structures in this contract consist of an equipment building and a cable entry shaft at Kallang (near Geylang Bahru Lane); a temporary shaft at Airport Road and a ventillation shaft at Paya Lebar Substation including connecting tunnels/ adits/ enlargements.
Natural powder clay ideally suited to soil stabilisation in front of tunnel bori
MAPEPLAN TU S
Synthetic waterproofing membrane
Where to use
• Drill and blast tunnel