Soon you can reach Terminal-3 from New Delhi in 15 minutes

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Soon you can reach Terminal-3 from New Delhi in 15 minutes

Sunday, 17 September 2023 | Staff Reporter | New Delhi

Commuters can reach Terminal -3 airport from New Delhi in 15 minutes and 30 seconds with the speed of the Airport Express Line being increased from 110 kmph to 120 kmph from Sunday onwards.

 Earlier, it was a little more than 18 minutes. Similarly, Dwarka Sector 25 Metro station from the New Delhi station can be reach in 21 minutes. Earlier the travel time between New Delhi and Dwarka Sector -21 was approximately 22 minutes  which reduced to around 19 minutes between these two stations leading to a saving of 3 minutes.

“From September 17 onwards, the Delhi Metro Rail Corporation (DMRC) is going to operate the Airport Express Line at a massive speed of 120 kilometres per hour,” the DMRC said in a statement.

“The plan is to increase the speed to 120 kmph in a graded manner in subsequent months, said Delhi Metro Rail Corporation officials adding , this historic increase in speed of India’s fastest Metro corridor gradually from 90 kmph to 120 KMPH has been made possible by meticulous planning and time-bound implementation by Delhi Metro’s engineers in consultation with a number of other government agencies and domain experts.

Delhi Metro increased the operational speed of Metro trains on the Airport Express Line from 90 kmph to 100 kmph on March 22 this year, the officials said. 

The speed of the trains was further increased to 110 kmph on June 22. “During the non-revenue hours, the overhead equipment (OHE) system was also made suitable for the movement of trains at 120 kmph,” the DMRC said.  The average speed of metro trains running on regular corridors such as the Yellow, Blue and Red Line is 40-50 kmph.

 Prime Minister Narendra Modi will inaugurate the first phase of India International Convention and Expo Centre (IICC), named YashoBhoomi, in Dwarka and also the extension of Delhi Metro’s Airport Express Line from Dwarka Sector 21 to a new metro station at Dwarka Sector 25 on Sunday.

The extension of Delhi Metro’s Airport Express Line from Dwarka Sector 21 to Yashobhoomi Dwarka Sector 25 will become operational from 3 pm onwards on September 17.  Sources on Saturday said, the enhanced speed is likely to be implemented on this line after the inauguration of the extension of the Airport Line.

To facilitate the movement of the trains at such a high speed, over 2.6 lakh tension clamps were replaced on the entire corridor. 

The bulk of the work was carried out in the night time from 11 pm till 7 am to ensure minimal hindrance to the smooth operation of services. Over 100 workers were deployed at a time for this work, the statement said.Before taking up this mammoth exercise, the efficacy of these clamps was checked on a kilometre-long trial track. Various measurements including vibration and stresses on rails were carried out using advanced instruments on this trial track before implementing the same on the main corridor, officials said.

 The estimated timeline for the completion of this task was 18 months. However, the DMRC took the challenge and successfully ensured the completion of the work within just six months, it added.

 A highly advanced system consisting of 3D accelerometers and strain censors was deployed for continuous measurement of vibrations and strains on the tracks at different speed levels. Oscillation monitoring was performed at speeds from 90 kmph to 120 kmph to ascertain smooth movement at higher speed levels, the DMRC said.

 Tremendous efforts were put in by DMRC officials to analyse the measurement data at various speeds to understand the behaviour and response of the system, the officials said. 

The signalling infrastructure also required verification of all software and safety certifications of the main system and the subsystems at such high speed. The interface testing with rolling stock and passenger information systems was also checked in detail, the statement said.

 

“The working of the Passenger Screen Doors (PSDs) in coordination with the movement of the train was also done. Extensive testing of all signalling equipment was conducted in a graded manner involving track, rolling stock, traction for over two months,” it added.

 

 

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