SINGAPORE - The Sengkang-Punggol Light Transit (LRT) service will operate in one loop direction on Sundays over the next five months, to facilitate maintenance works.

While LRT services will still be available on affected days, loops in one direction will need to be closed for safety reasons, said operator SBS Transit.

This is because the power supply on the guideways - paths on which the Light Rail Vehicle move - will be turned off.

The works will begin on Dec 20 and are expected to end on May 8 next year. Service on closed loops will resume at 5.30pm on affected days.

SBS Transit said the works are to maintain the guideways, which can become "bumpy" over time due to wear-and-tear. Doing so will ensure commuters will get a comfortable ride, the operator added.

"Our engineers will be hacking concrete and cutting metal as part of the maintenance works. This may be quite noisy and temporary noise barriers will be put up to reduce noise. We would like to apologise to commuters and residents in the area for any inconvenience caused," SBS Transit said.

Commuters will be informed of the closures through announcements and posters put up at stations.