N105 Diaphragm Wall Tunnel & 8 million LTI Free Celebration

In June 2024, we have special guests, Mayor of Central District Ms. Denise Phua Lay Peng, and LTA DCE Mr. Chong Kheng CHUA, joining us in celebrating the completion of diaphragm wall construction for the NSC N105 project, achieving an impressive 8.37 million Lost Time Injury (LTI)-free hours.

The main challenge of constructing the diaphragm wall at N105 was managing traffic diversions while working above and below the existing North South Line MRT tunnels, as well as along the busy road from Novena Rise to Suffolk Walk. With the completion of the diaphragm wall construction, we are now prepared to progress to the next stage underground beneath Thomson Road.

Looking ahead, attention now shifts to the excavation of the shaft in preparation for the Safe Faceless Tunnelling (SFT) installation. Overall, the NSC N105 project has reached 41% completion.

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