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6Ramping UpTrain StandardsIn response to a report by a Committee of Inquiry after the North-South Line train servicedisruptions in December 2011, the LTA has strengthened the Rapid Transit System (RTS)regulatory framework as part of overall efforts to improve rail service reliability.1PHOTO | COURTESY OF SMRTMaintaining TrainsThe LTA has implemented a formal process requiring train operators totrack and report data relating to the state of their trains. Independentthree-yearly reviews will be done to see if maintenance is sufficient.On the part of the train operators, every train is inspected every threeweeks,and various equipment will undergo maintenance every three, six,and twelve-months. All trains are checked daily before they are allowed tobe rolled out for service.Worn-out parts will also be replaced before a breakdown occurs. At theSMRT, a special diagnostic system has also been installed to provide realtimedetection of train wheel defects so these defects can be quickly fixed.