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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 26 May to 1 June 2025


Item No

AffectedDateTimes
1Toa Payoh - Braddell 26 May 20250100 - 0430 hrs
2Lavendar - Kallang26 May 20250100 - 0430 hrs
3Outram Park27 - 31 May 20250100 - 0430 hrs
4Tanjong Pagar27 - 31 May 2025
0100 - 0430 hrs
5Raffles Place27 - 31 May 2025
0100 - 0430 hrs
6Tanjong Pagar - Raffles Place28 May 20250100 - 0430 hrs
7Marina Bay28 - 30 May 20250100 - 0430 hrs
8Marina South Pier28 - 30 May 20250100 - 0430 hrs
9Bugis - Kallang29 May 20250100 - 0430 hrs
10Lavendar - Bugis29 May 20250100 - 0430 hrs
11Outram Park - Tanjong Pagar31 May 20250100 - 0430 hrs
12Raffles Place - Tanjong Pagar31 May 20250100 - 0430 hrs
13Braddell - Toa Payoh1 June 20250100 - 0430 hrs
14Raffles Place - Tanjong Pagar1 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.