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More than 1,000 underground blasts

Staff Reporter

BANGALORE: Did you know that the Bangalore Metro Rail Corporation Ltd. (BMRCL ) has set off nearly 1,200 blasts while taking up work on the underground section of the prestigious Namma Metro project?

However, not one of the blasts has been either heard or even felt by anyone except those at the worksite. All of these controlled explosions have been on the underground section — on Ambedkar Veedhi and near Central College.

BMRCL Managing Director N. Sivasailam on Friday confirmed to an audience in Domlur that BMRCL had taken help from the National Institute of Rock Dynamics (NIRD) in Kolar to take up work on the blasting.

Apart from the NIRD, the National Institute of Engineering (NIE) in Surathkal had pitched in while BMRCL had turned to the Indian Institute of Science (IISc.), Bangalore, for project monitoring at the site of blasts.

When the blasts were set off on Ambedkar Veedhi between the Vidhana Soudha and High Court buildings recently, there were no tremors or even vibrations, and this shows how technology has been harnessed.

Underground stretches

Of the 42.3 km in phase one, the underground section is only 8.8 km.

After Anil Kumble Circle on M.G. Road, the elevated metro track from Byappanahalli goes underground at KSCA stadium and Minsk Square.

From Minsk Square, it goes under Cubbon Road, curves towards Ambedkar Veedhi (in front of GPO) and goes towards Old Post Office Road and then to Majestic.

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