The Supreme Court had ordered the demolition of Supertech’s Apex (100 meters) and Ceyane (97 meters) on August 31 last year as the twin towers after it determined the construction was illegal.

Supertech’s infamous twin towers in Sector 93A Noida will be demolished on May 22. Although it took years to erect the nearly 100-meter-high structures, the engineers said it would take nine seconds to demolish them.

The officials involved in the trial said up to four tons of explosives could be used to raze the illegal towers. Since there are many buildings around the building, 1500 families living in the immediate area would be moved from their homes for about five hours. The implosion will take place on May 22 at 2:30 PM.

According to the demolition plan shared by Edifice Engineering, the company responsible for the tower’s demolition, a large number of security personnel will be deployed to the area on the day, while the stretch of the Noida-Greater Noida Expressway close to the site would be closed an hour before traffic.

The Supreme Court had ordered the demolition of Supertech’s Apex (100 meters) and Ceyane (97 meters) on August 31 last year as the twin towers after it determined the construction was illegal. Utkarsh Mehta, a partner at Edifice, said of the twin towers, Ceyane (31 floors) will collapse to the ground first, followed by Apex (32 floors).

β€œThe building falls inwards in several phases, floor by floor. Ten levels will act as primary blast floors and seven as secondary blast floors. The primary blast floors have explosives in all columns. On the secondary floors, explosives will be in 40 percent of the columns,” Mehta said.

South Africa-based Jet Demolition provides expertise on the explosion for a safe implosion and a pilot explosion would take place prior to the actual implosion.

The company had implosed the 108-meter-high Bank of Lisbon in Johannesburg, South Africa, earlier in 2019. The gap between the structure and an adjacent building there was about seven meters, while the space in Noida is about nine meters, according to officials.

Mehta said explosives between 2,500kg and 4,000kg will be needed for demolition and a test blast will take place in the last week of March or the first week of April to optimize the use of explosives.

The company will put two to three layers of wire mesh around columns that will be filled with explosives and lay “geotextile fabric” on the ground to prevent debris from flying off uncontrollably. The specially prepared cushions on the ground are said to reduce the impact of debris falling on it and minimize vibration.

The exclusion zone includes all of Emerald Court, the nearby ATS Greens Village and parts of Parsavnath Prestige, a park and road in front of the towers, as well as part of the Noida Expressway.

(With PTI inputs)


This post Noida twin-tower demolition: nine seconds is all it takes to bring down the 100-meter-high structures – Details here was original published at “https://www.financialexpress.com/india-news/noida-twin-tower-demolition-nine-seconds-is-all-it-will-take-to-bring-down-the-100-metre-tall-structures-details-here/2461561/”

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