Demolition of the Noida Supertech twin towers: 10 things to know

Taller than Delhi’s iconic Qutub Minar, the 103-meter-tall, 32-storey Supertech Twin Towers in Noida’s 93A sector are set to be demolished at 2:30 p.m. on August 28. The Supreme Court on August 31, 2021 ordered the demolition of the Supertech twin towers – also known as the Apex and Ceyane towers – for violating building standards, saying illegal construction must be dealt with strictly to ensure compliance of the rule of law.

Here are some interesting facts to know about the demolition of the Supertech Twin Towers:

  • More than 3,700 kg of explosives are used to implode the twin towers. The main task is to ensure the safety of people living nearby and that no nearby buildings suffer damage.

Also Read: Demolition Day: How The Supertech Twin Towers Will Crumble To Dust

  • More than 5,000 residents of Emerald Court and ATS Village – the two companies closest to the Twin Towers – were evacuated at 7am on Sunday.
  • About 2,700 vehicles belonging to them were also likely removed from the premises and residents will also take about 150 to 200 of their pets.
  • Destroying the Twin Towers is one of the toughest tasks for the six-member demolition team, which includes experts from Edifice Engineering and South Africa-based Jet Demolitions, as the structures were built to seismic zone IV and are extremely strong.
  • The demolition would be carried out using the controlled implosion technique, for which more than 3,700 kg of explosives were packed into 9,400 holes drilled in columns and shears. The drilling was carried out over nearly 18 km.
  • The beams and pillars of the Twin Towers were wrapped in geotextile material to minimize the impact of the blast. In addition to this, steel plates and 1,400 truck tires were also placed near two residential buildings – Aster 2 and Aster 3 – which are closest to the twin towers and a gas pipeline 16 meters from the demolition site.
  • Even though the demolition process will last no more than 12-13 seconds, the sound volume produced due to the explosion will be close to 150-200 decibels.
  • A team of six, stationed 250 meters from the twin towers, will press the last button. The explosives will take nine seconds to ignite and another four to six seconds for the structure to collapse.
  • The demolition is expected to generate over 80,000 metric tons of waste, of which 50,000 metric tons will be treated on site and the remaining 28,000 metric tons of debris will be scientifically treated at the Construction and Demolition Waste Plant of the Construction Authority. Noida in sector 80.
  • Edifice Engineering, the company responsible for the demolition, will transport the debris to the plant, which should take at least three months to remove all the accumulated debris.

(With the contribution of the agencies)

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