Passengers had to be evacuated from the stranded monorail train on Sunday because both the primary power and well as the back up power supply systems had failed.
Passengers had to be evacuated from the stranded monorail train on Sunday because both the primary power and well as the back up power supply systems had failed.
"Attempts were made to restore power to the stranded monorail between Bhakti Park and Mysore Colony stations using back-up systems, but even that did not materialise, resulting in authorities opting for the last resort of evacuating commuters through train-to-ground rescue methodology," said an official.
Mumbai Metropolitan Region Development Authority (MMRDA) officials on Monday held a meeting to analyse and deliberate on the problem that brought the monorail to a halt mid-section on Sunday morning. Ten passengers and a pilot had to be rescued, after the initial idea of train-to-train evacuation did not materialise due to lack of power supply.
Additionally, as decided earlier, the MMRDA would also undertake work of laying power cables in casings. These coverings would provide a layer of safety to the power cables and prevent easy damage to them. These cables are live between the Chembur and Wadala Depot, the 8.93 km long corridor. The same measure would be taken for second phase between Wadala Depot and Jacob Circle.
New cables will also replace the existing problematic line at Mysore Colony Traction Sub Station, due to which electricity supply went off on Sunday morning.
At the same time, the entire cabling network coming from the back-up power supply, that is through diesel generators, will also be checked to ascertain if there is any fault with the cable line of back-up systems.
The problem of tripping of power began at 7.58 am on Sunday. Power was restored for a short while, followed by another round of tripping. Eventually, the power was restored at 10.45 am and tests and trials were held. Passengers services resumed at 12 pm.
However, the evacuation process did not follow the time limit set as per standard operating procedures of arranging to deploy alternative rescue resources at the incident site within 15 minutes. It took around 30-35 minutes to make a call to the fire brigade.
Over the part year, dna has been reporting a series on technical problems plaguing the Mumbai Monorail.
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