Noida twin-tower demolition: Implosion to take just 9 seconds

Up to four tonnes of explosives could be used to raze down the illegal Supertech twin towers in Noida and the implosion of the nearly 100metre tall structures on May 22 would take just nine seconds according to officialsAlso around 1500 families living in close vicinity to the towers located in sector 93A would be moved out of their homes for around five hours when the implosion takes place at 230 pm on May 22 they saidA stretch of the NoidaGreater Noida Expressway close to the site would also be shut for traffic for an hour while security personnel would be deployed in the area in large numbers on the day according to the demolition plan shared by Edifice Engineering the company which has been handed the jobThe Supreme Court had ordered the demolition of Supertechrsquos Apex 100 metre and Ceyane 97 metre on August 31 last year as the twin towers had come up in violation of building normsThe top court had also rapped the local Noida Authority for approval of the project under its watchSharing a presentation with media on Monday Utkarsh Mehta partner at Edifice said Ceyane 31 floors will collapse to the ground first followed by Apex 32 floorsldquoThe building will fall inwards in multiple stages floor by floor Ten levels will act as primary blast floors and seven as secondary blast floors The primary blast floors will have explosives in all columns In the secondary floors explosives will be in 40 per cent of the columnsrdquo Mehta said explaining the technical aspects of the processThe company had previously demolished the 108metre tall Bank of Lisbon in Johannesburg South Africa in 2019 with an implosionThe gap between the structure and an adjoining building there was around seven metres while in Noida the space is around nine metres according to officialsSouth Africabased Jet Demolition is providing expertise on the blast for safe implosion and a trial blast would take place ahead of the actual implosionldquoExplosives between 2500 kg and 4000kg will be required A test blast has been planned in the last week of March or the first week of April to optimise the use of explosive visagravevis safety measuresrdquo Mehta saidWhile the actual implosion would take only nine seconds for the towers to be razed the ground work preparation is already underwayThis includes removal of structures like electrical fittings plumbing items doors and windows Walls are also being demolished to reduce the amount of rubble the implosion would createHe said the company is also preparing two to three layers of wired mesh around columns which would be filled with explosives and laying lsquogeotextile fabricrsquo on the ground to stop debris from flying off in an uncontrolled mannerThe implosion he said would induce a pull away from the premises of Emerald Court the group housing society where 600 families live and on which the twin towers are locatedAccording to Noida Authority officials experts will examine Emerald Court and the buildings in the vicinity for damage assessment after the implosionsThey said locals have been assured of no damage to other buildings due to the implosions and in case of any damage there will be an insurance coverThe speciallyprepared cushions on the ground would reduce the impact of rubble falling on it and minimize vibrationsResidents from the exclusion zone the blast radius will be asked to move out at least three hours ahead of the implosion and they can return at least two hours after the actionThe exclusion zone includes entire Emerald Court nearby ATS Greens Village and parts of Parsavnath Prestige a park and the road in the front of the towers as well as a portion of the Noida ExpresswayTraffic on the expressway would be stopped for an hour even as security personnel including police would be deployed in the arealdquoWe will need people to evacuate the entire area during the implosion We have given a report in this regard to the Noida Authority but a final evacuation zone will be decided in consultation with the policerdquo Mehta saidldquoAt the time of the blast only five persons ndash two foreign experts one police personnel one blaster and the Edifice project manager will be present in the exclusion zone to execute the demolitionrdquo Mehta addedThis story has been sourced from a third party syndicated feed agencies Midday accepts no responsibility or liability for its dependability trustworthiness reliability and data of the text Midday managementmiddaycom reserves the sole right to alter delete or remove without notice the content in its absolute discretion for any reason whatsoever