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SINGAPORE – A power cable insulation breakdown between Tuas Link and Tuas West Road stations set off a chain reaction that led to a major breakdown on the MRT on Wednesday (October 14) evening.
“A circuit breaker at Tuas West Road station should have tripped to isolate the fault, but it did not, causing the NSEWL (north-south, east-west lines) electrical system to trip,” SMRT said in a statement on Thursday. .
To restore power, there was an attempt to obtain power from the Buona Vista Intake Substation (BVI).
However, this was done without first isolating the fault, which resulted in a power interruption to the Circle Line as well; which also serves the substation.
“The insulation fault has been identified and isolated and the faulty circuit breaker component has been replaced,” the statement said.
Train services normally operate on Thursdays.
“We are working with LTA to conduct a full investigation into the premature failure of these components, together with the original equipment manufacturers who supplied the parts.
“We regret the disruption of service on the North-South, East-West (Woodlands to Jurong East and Queenstown to Gul Circle) and Circle Line (HarbourFront to Serangoon) during rush hour last night (October 14),” he added.
The power failure cut off train services around 7pm, severely disrupting rush hour overnight travel for many commuters. Half an hour later, the failure disrupted service along a 16-station stretch of the Circle Line.
Transport Minister Ong Ye Kung said on Thursday that the incident was a reminder for him and transport operators not to be complacent.
“It’s a complex system, every little part matters, just like every worker, every engineer, every station manager also matters,” he said, speaking on the sidelines of a press conference to announce the air travel bubble deal with Hong. Kong.
“(We must) continue to work hard together to make sure the system works as well as possible.”
Wednesday’s incident was the first major train breakdown the transport minister has had to deal with since he took over the portfolio in August.
Mr. Ong also commended SMRT employees for responding well to the disruption.
He added that many travelers had emailed him on Thursday to express their displeasure, but noted that they also did not stop thanking SMRT staff for their service.
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