On 22 March 2018, TUCSS elected Mr Ow Chun Nam as a Honorary Member of TUCSS, for his outstanding contributions to the development of the tunnelling and underground construction industry and to TUCSS.
On 16 March 2023, TUCSS elected Mr Chua Chong Kheng as a Honorary Member of TUCSS, for his outstanding contributions to the rail and road infrastructure development and management in Singapore. Mr Chua is a strong supporter of TUCSS and its activities in pursuit of best practices, knowledge sharing and spurring innovation among the industry.
On 21 March 2024, TUCSS elected Mr Kulaindran Ariaratnam as a Honorary Member of TUCSS, for his immense contributions to to the development of the tunnelling and underground construction industry and to TUCSS.
TUCSS has now total 8 Honorary Members:
- Mr Ow Chun Nam
- Mr Chua Chong Kheng
- Mr Kulaindran Ariaratnam