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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 22 Jul - 28 Jul 2024

Item No
AffectedDateTimes
1
Somerset - Orchard
22 Jul 2024
0100 – 0430 hrs
2
Novena - Toa Payoh
22 Jul 2024
0100 – 0430 hrs
3
Tanjong Pagar - Raffles Place
23 Jul 2024
0100 – 0430 hrs
4
Newton - Somerset
23 Jul 2024
0100 – 0430 hrs
5
Somerset - Newton
23 Jul 2024
0100 – 0430 hrs
6City Hall
23 Jul 2024
0100 – 0430 hrs
7City Hall - Bugis
24 Jul 2024
0100 – 0430 hrs
8Somerset - City Hall
24 Jul 2024
0100 – 0430 hrs
9Bishan - Braddell
24 Jul 2024
0100 – 0430 hrs
10City Hall
25 Jul 2024
0100 – 0430 hrs
11Lavender - Aljunied
25 Jul 2024
0100 – 0430 hrs
12Kallang - Bugis
25 Jul 2024
0100 – 0430 hrs
13Novena - Toa Payoh
25 Jul 2024
0100 – 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.