MUMBAI: A suspected glitch within the monorail's signalling and switching system brought about a coach to derail throughout a system trial close to Wadala on Wednesday morning. The coach tilted on the beam, with scrape marks beneath. Sources stated the motive force sustained minor accidents that didn't require hospitalisation.The incident occurred round 9 am on the Wadala-GTB Nagar part whereas engineers examined the Communication-Primarily based Practice Management (CBTC) signalling system, a brand new expertise geared toward bettering real-time prepare detection and operational management. The rake was empty besides for 2 technical workers.Preliminary reviews point out that the guideway beam — the elevated concrete monitor— might have moved whereas the prepare was nonetheless on it. The automated switching mechanism controlling the beam is supposed to function solely when the monitor part is evident. Communication failure might have triggered the change prematurely, inflicting the prepare to tilt.Specialists stated the incident factors to a system-recognition error relatively than a human one.
“If the management system momentarily didn't detect the prepare, it might have initiated a beam change whereas the rake was nonetheless on the monitor,” defined an knowledgeable. Such glitches, although uncommon, can happen when the information hyperlink between prepare and central management drops briefly.Fireplace brigade officers confirmed that monorail workers managed the scenario on web site and no passengers had been affected.Maha Mumbai Metro Operation Company Ltd (MMMOCL), which operates the monorail, described it as a “minor incident”. “The scenario was instantly managed,” it stated. Medha SMH Rail Pvt Ltd carried out the trials in a totally protected surroundings, MMMOCL stated.Monorail proprietor MMRDA has procured 10 new rakes from Medha SMH Rail at Rs 59 crore every; eight have been delivered however none are in service but. The Chembur-Wadala monorail hall has been non-operational since Sep 20, when MMRDA suspended companies for a complete overhaul.Commissioned in 2014, India's first monorail has confronted frequent interruptions because of technical and power-related points through the years.