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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 19 to 25 October 2026

 





1City Hall - Raffles Place19 October 20260100 - 0430 hrs
2Lavendar - Bugis19 October 20260100 - 0430 hrs
3Marina South Pier Overrun - City Hall20 October 20260100 - 0430 hrs
4Redhill - Tiong Bahru20 October 20260100 - 0430 hrs
5Somerset - Orchard20 October 20260100 - 0430 hrs
6Newton -Orchard 20 October 20260100  0430 hrs
7City Hall - Raffles Place20 October 20260100 - 0430 hrs
8Marina Bay - Marina South Pier20 October 20260100 - 0430 hrs
9Tiong Bahru - Outram Park20 October 20260100 - 0430 hrs
10Redhill - Tanjong Pagar 21 October 20260100 - 0430 hrs
11Toa Payoh - Braddell21 October 20260100 - 0430 hrs
12City Hall - Raffles Place21 October 20260100 - 0430 hrs
13Outram Park - Tiong Bahru21 October 20260100 - 0430 hrs
14Bugis - Lavendar21 October 20260100 - 0430 hrs
15Newton - Novena22 October 20260100 - 0430 hrs
16Newton - Orchard22 October 20260100 - 0430 hrs
17City Hall - Bugis22 October 20260100 - 0430 hrs
18Tanjong Pagar - Raffles Place22 October 20260100 - 0430 hrs
19Bugis - Lavendar22 October 20260100 - 0430 hrs
20Outram Park - Tiong Bahru23 October 20260100 - 0430 hrs
21Raffles Place - City Hall23 October 20260100 - 0430 hrs
22Toa Payoh - Braddell23 October 20260100 - 0430 Hrs
23Raffles Place - Marina Bay23 October 20260100 - 0430 hrs
24Somerset - Orchard23 October 20260100 - 0430 hrs
25Novena - Toa Payoh23 October 20260100 - 0430 hrs
26Lavendar - Kallang24 October 20260100 - 0430 hrs
27Outram Park - Tanjong Pagar24 October 20260100 - 0430 hrs
28Toa Payoh - Braddell24 October 20260100 - 0430 hrs
29City Hall - Bugis24 October 20260100 - 0430 hrs
30Tanjong Pagar - Raffles Place24 October 20260100 - 0430 hrs
31Lavendar - Bugis24 October 20260100 - 0430 hrs
32Toa Payoh - Novena25 October 20260100 - 0430 hrs
33Toa Payoh - Braddell25 October 20260100 - 0430 hrs
34Somerset - Orchard25 October 20260100 - 0430 hrs
35Raffles Place - Marina Bay25 October 20260100 - 0430 hrs
36Newton - Orchard25 October 20260100 - 0430 hrs
37City Hall - Bugis25 October 20260100 - 0430 hrs

Night Grass-Cutting Works Schedule







Late-Night SMRT Generator Testing Schedule





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.