SECTORS | TRANSPORT, WATER - ASIA
Electricity transmission tunnel India
Pakistan Nepal
Sri Lanka 0 10,000 20,000 30,000 40,000 50,000 60,000 70,000 Above: South Asia – Tunnel Construction Project Pipeline, Value By Country and Type ($m) SOURCE: GLOBALDATA Overburden is up to 750m. Excavation was
performed by TBM boring and Drill and Blast Method. Project client Malaysia Rail Link Sdn Bhd (MRL) said
Genting Tunnel is a key component of the ‘land bridge’ to connect Kuantan Port and Port Klang, on east and west coasts respectively of Peninsular Malaysia. ECRL is due for completion by late 2026 for
Below: Drainage tunnel construction for Chiang Mai Flood Mitigation Project (Phase 2), Thailand PHOTO CREDIT: TERRATEC
phased start of passenger services from January 2027, starting between Kota Bharu, in Kelantan, and Gombak, in Selangor.
Thailand Tunnelling works were recently completed for the Chiang
Mai Flood Mitigation Project (Phase 2) in Thailand for the Department of Public Works and Town & Country Planning. The works centred on a 2.6m-diameter, 256m-long drainage tunnel, designed to integrate with Chiang Mai’s existing stormwater network. The package also included construction of shafts, steel pipe connections, HDPE pipeline installation, hydraulic structures, and surface drainage channels. The project was delivered by Summit Grade Ltd,
Part. (Sam Prasit), with subcontractor SCG 199. Terratec provided technical expertise, the TBM and segments, and equipment support. Project supervisor was Panya Consultant.
80,000
Railway tunnel
Road tunnel
Water & sewage tunnel
38 | January 2026 38
January 2026
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