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- British Tunnelling Society
- Association of Geotechnical and Geoenvironmental Specialists (AGS)
- AGU Home Page - American Geophysical Union
- International Society For Rock Mechanics
- International Association Of Engineering Geology (IAEG)
- ARMA | American Rock Mechanics Association
- British Geological Survey
- The Geological Society (London, UK)
- Geological Society of America
- Society for Mining, Metallurgy and Exploration
- U.S. Geological Survey
- International Union of Geological Sciences (IUGS)
- ASCE - American Society of Civil Engineers
- ITA YM Magazine - Breakthrough
- (16 Feb 2021) Circular on Specialist Professional Engineer (Tunnelling) for LTA Tunnelling projects
- (1 June 2021) Framework on Performance Based Impact Assessment Assoc. with ERSS and Tunnelling Works
- (1 Oct 2021) Announcement on the Release of a New Geological Map of Singapore
- Recommendations for the Selection of Tunnel Boring Machines
- (20 Sep 2023) Circular on Reminder for Design Qualified Persons to Carry out Site Investigations