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DC-AC rail track conversion delayed due to new rakes, says top CR official

Conversion to help run faster trains, save energy and cut down travel time

Central Railway General Manager S K Sood at the Idea Exchange at The Indian Express office in Mumbai on Tuesday. (Source: Express photo by Ganesh Shirsekar) Central Railway General Manager S K Sood at the Idea Exchange at The Indian Express office in Mumbai on Tuesday. (Source: Express photo by Ganesh Shirsekar)

The delay in commissioning new Bombardier Electric Multiple Unit (EMU) rakes will delay Central Railway’s (CR’s) plan to convert traction from 1,500 volt direct current (DC) to 25,000 volt alternating current (AC) between Chhatrapati Shivaji Terminus and Thane by December 31.

The non-availability of trains that run on alternating current (AC) rakes will affect the conversion work, said Sunil Kumar Sood, General Manager, CR, during Idea Exchange on Tuesday.

The conversion work is being undertaken to run faster trains, save energy and cut down travel time of trains by avoiding change of engines for long-distance trains as the rest of the Indian Railways is powered by AC traction.

In August this year, Sood had announced that the CR would run all its trains on AC traction from January 1, 2015.

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“The conversion will not take place until we get four additional rakes. We have completed all the work. However, due to delay in arrival of Bombardier rakes, we are unable to switch over to AC current,” said Sood during the interaction.

If the conversion is undertaken immediately, CR will have to phase out nine DC rakes, which mean withdrawing around 117 daily services.

Since the railways cannot reduce the number of daily services, it has no option but to wait for the approval of the two Bombardier rakes.

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Sood said that apart from the two Bombardier rakes that are already in the city, CR will need two additional rakes, which he said may be sourced from Western Railway (WR), depending on the availability of rakes.

Currently, CR uses 75 rakes on its mainline, of which nine will become unusable after conversion work.

“We have sent all the documents related to the conversion for a review by the Chief Commissioner of Railway Safety (CCRS) on December 1,” said Sood.

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The administration, which is ready to test-charge the section, is now waiting for a weekend to carry out the activity. With the next two weekends unavailable for any block due to major public events, CR plans to carry out the activity on December 20. Once the test charge is carried out, the Commissioner of Railway Safety (CRS) will conduct an inspection before giving the railways a green signal.

Until two of the 72 12-car rakes procured under the World Bank-funded Mumbai Urban Transport Project 2A, which arrived in Mumbai last year, are commissioned, CR will have little choice but to continue with the old traction.

priyal.dave@expressindia.com

First published on: 03-12-2014 at 00:32 IST
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