It is well past midnight and the group of men wait for the electricity to be cut before springing into action to repair the damaged MRT train track.
For Mr Yin Tuck Kam, this race against time is part of his typical day at work.
The 52-year-old assistant engineer estimates that most nights, his team of 12, part of SMRT’s Track Renewal Team, replaces tracks mearsuring slightly more than the length of an Olympic-sized pool.
Asked whether he considers the odd hours a sacrifice, he said in a matter-of-fact manner: “It’s not a sacrifice. I’m just doing my job to keep things running.”