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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 8 to 14 June 2026

 





1Lavendar - Kallang8 June 20260100 - 0430 hrs
2Tiong Bahru - Redhill8 June 20260100 - 0430 hrs
3Orchard - City Hall 9 June 20260100 - 0430 hrs
4Kallang - Raffles Place9 June 20260100 - 0430 hrs
5Tiong Bahru - Outram Park9 June 20260100 - 0430 hrs
6Newton - Novena9 June 20260100 - 0430 hrs
7Novena - Newton9 June 20260100 - 0430 hrs
8City Hall - Dhoby Ghaut9 June 20260100 - 0430 hrs
9City Hall - Bugis9 June 20260100 - 0430 hrs
10Novena - Bishan10 June 20260100 - 0430 hrs
11Orchard - Somerset10 June 20260100 - 0430 hrs
12Raffles Place - Marina Bay10 June 20260100 - 0430 hrs
13Tiong Bahru - Outram Park10 June 20260100 - 0430 hrs
14City Hall - Marina Bay11 June 20260100 - 0430 hrs
15City Hall - Bugis11 June 20260100 - 0430 hrs
16Newton - Novena11 June 20260100 - 0430 hrs
17Somerset - Orchard11 June 20260100 - 0430 hrs
18Orchard - Somerset11 June 20260100 - 0430 hrs
19Novena - Newton11 June 20260100 - 0430 Hrs
20Dhoby Ghaut - Newton12 June 20260100 - 0430 hrs
21Raffles Place - Outram Park12 June 20260030 - 0430 hrs
22Lavendar - Bugis12 June 20260030 - 0430 hrs
23Novena - Newton 12 June 20260100 - 0430 hrs
24Newton - Novena12 June 20260100 - 0430 hrs
25Orchard - Somerset12 June 20260100 - 0430 hrs
26City Hall - Bugis12 June 20260100 - 0430 hrs
27Tiong Bahru - Outram Park 12 June 20260100 - 0430 hrs
28Tanjong Pagar - Raffles Place 12 June 20260100 - 0430 hrs
29City Hall - Dhoby Ghaut13 June 20260100 - 0430 hrs
30Raffles Place - Marina Bay13 June 20260100 - 0430 hrs
31City Hall - Bugis13 June 20260100 - 0430 hrs
32Tanjong Pagar - Raffles Place13 June 20260100 - 0430 hrs
33Raffles Place - Tanjong Pagar13 June 20260100 - 0430 hrs
34Raffles Place - City Hall14 June 20260100 - 0430 hrs
35Orchard - City Hall14 June 20260100 - 0430 hrs
36Dhoby Ghaut - Orchard14 June 20260100 - 0430 hrs
37Novena - Newton14 June 20260100 - 0430 hrs
38Tiong Bahru - Outram Park14 June 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.