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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 14 Apr to 20 Apr 2025


Item No

AffectedDateTimes




2Raffles Place - Outram Park14 Apr 20250100 - 0430 hrs
3Lavendar15 - 17 Apr 20250100 - 0430 hrs
4Somerset15 - 17 Apr 20250100 - 0430 hrs
5Braddell - Novena16 Apr 20250100 - 0430 hrs
6Raffles Place - Outram Park16 Apr 20250100 - 0430 hrs
7Braddell - Novena17 Apr 20250100 - 0430 hrs
8Raffles Place - Outram Park17 Apr 20250100 - 0430 hrs
9Outram Park - Tanjong Pagar17 Apr 20250100 - 0430 Hrs
10Raffles Place - Outram Park19 Apr 20250100 - 0430 hrs
11Redhill - Raffles Place19 Apr 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.