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Tunnel Ventilation Fans Activation Schedules

Tunnel Ventilation Fans (TVFs) are installed near certain MRT stations along the North-South and East-West to provide air movement in MRT tunnels. 

TVFs are used primarily for:
1. Maintenance works in the tunnels during non-revenue hours. These include works such as tunnel washing, rail welding and rail grinding.
2. Emergency situations when commuters are evacuated from the tunnel to the nearest station platform.

The powered ventilation is necessary for the health, safety and comfort of our workers in the tunnel as the TVFs remove elements such as smoke, heat and dust generated during the maintenance works. 
 
We have made every effort to minimise noise and any inconvenience caused to neighbouring residential and commercial areas. Please watch this space for the latest schedule.

From 9 to 15 June 2025


Item No

AffectedDateTimes
1Kallang - Bugis10 June 20250100 - 0430 hrs
2City Hall - Dhoby Ghaut11 June 20250100 - 0430 hrs
3Tanjong Pagar - Redhill11 June 20250100 - 0430 hrs
4Toa Payoh - Braddel12 June 2025
0100 - 0430 hrs
5Tanjong Pagar - Outram Park12 June 2025
0100 - 0430 hrs
6Bugis - Raffles Place 13 June 20250100 - 0430 hrs
7City Hall13 June 20250100 - 0430 hrs
8Raffles Place - Outram Park14 June 20250100 - 0430 hrs
9Raffles Place - Outram Park15 June 20250100 - 0430 hrs
10Tanjong Pagar - Raffles Place15 June 20250100 - 0430 hrs





NOTE: The maintenance schedule is accurate at the time of publication but is subject to change due to unforeseen circumstances such as weather condition, urgent track work for safety reasons, etc.