For the primary time since Chennai Metro Rail started operations six years in the past, an intensive overhaul of trains has been deliberate to make sure that they proceed to operate with out glitches and there’s no derailment in future.
In line with officers of Chennai Metro Rail Restricted (CMRL), they’d begin the method by subsequent month. Since every practice would require a month for the overhaul work, the officers plan to cowl seven trains by the top of this 12 months.
From altering the bearings of motors to intensive cleansing of assorted components, all elements of a practice would undergo an overhaul, the officers stated.
“The coaches will likely be faraway from the principle physique of the practice. We’ll first examine for cracks and if discovered, we are going to weld and repaint the coaches. Inside, the hand grabs, seats and maps will likely be checked to evaluate their situation and intensive cleansing of interiors, exteriors and ceiling panels will likely be accomplished, together with repairs, if wanted,” an official stated.
Then, the wheels of the practice could be checked for his or her variations in peak, width and diameter.
“Owing to put on and tear, there will likely be variations and we now have to take up re-profiling of the wheels to carry them again to their customary dimension. If left undone, then in future, it could trigger issues and will additionally result in derailing,” he stated.
One other necessary facet is the deep cleansing of the air flow and air-conditioning items whereby coils, condensers and their filters could be cleaned. “Over time, the ducts will develop fungus and the trains will start to odor. To keep away from such points, this course of will likely be useful. The filters on this unit solely assist to offer recent air within the coaches. So, once we do intensive cleansing, it’ll support in preserving them in good situation for years,” one other official stated.
Aside from all this, just a few practical assessments would even be accomplished.
After the primary set of seven trains, the following set of trains will prepare for upkeep subsequent 12 months.