Water leak led to July 7 rail outage

Water leak led to July 7 rail outage
A display board at Boon Lay MRT station on July 7, 2015, informing commuters of a disruption in services. TODAY file photo
LTA looking into SMRT's culpability, if any
Published: 4:34 PM, July 29, 2015
Updated: 11:45 PM, July 29, 2015
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SMRT Trains managing director Lee Ling Wee said the operator conducts checks every four days for that particular portion of the track where the leak had occurred. He added that when a leak is detected, a level of severity is assigned to it in order to prioritise how soon it should be repaired, given the limited hours for maintenance. Leaks in the area have been repaired twice recently, in November last year and May.

On June 7, a leak was spotted again. It was left unrepaired and on July 4, three days before the massive breakdown, an employee who patrolled the area did not deem the leak to be urgently in need of repair.

SMRT Chief Executive Desmond Kuek noted that a heavy downpour on the day before the breakdown could have been a contributing factor.

He said: “We’ve reviewed all our existing work instructions and we are satisfied that they have been complied with. But of course arising from the lessons and observations that we have made on the July 7 incident, clearly we will be taking very firm steps to review and improve all of those work instructions, with a view to tighten these...more vulnerable spots in the system.”

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