The ever-increasing problems faced around the world have the demands that transportation need to be improved as an effective and efficient communication means. It is considered as a necessity especially when rapid development and economic growth of a country is the agenda. In Malaysia, the railway network has evolved tremendously since its inception in the early 19th century. It has grown proportionally with the national development. Railway network does not only mean for rural transportation, but it also considered as a solution to urban congestion challenges. Currently, urban rail transit is the most popular means of urban transportation system especially as big cities such as Kuala Lumpur.
To keep the tracks open and functioning, periodic inspections and maintenance is required. Tracks used in revenue service should be inspected at least once a week. An interval of at least 3 but not more than 11 days must elapse between inspections. Transit systems that operate discrete track segment at greater than 90km/hr requires twice weekly inspection.
Common maintenance issues on railway tracks includes:
- Insulated joints and associated signal system circuitry prevent trains from hitting each other shall be check regularly.
- Rail corrugations which are a form of surface track rail and requires grinding to remove the rail defects.
- Repair of Switches & Frogs. Periodic measurements will be made to facilitate in predicting when the frog or switch point will be worn out.
- Emergency repairs whereby the train track buckles which could cause derailment.
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