Two high-rise apartment towers in India were razed to the ground in a controlled demolition on Sunday after the country’s top court declared them illegal for violating building codes, officials said.
They became the tallest structures in India to be razed.
More than 1,500 families evacuated their apartments in the area more than seven hours before the nearly 100-meter-tall towers collapsed inward from the impact of the implosion.
Explosives are detonated to demolish twin high-rise apartment towers in Noida, on the outskirts of New Delhi, India, Sunday, Aug. 28, 2022. The demolition came after the country’s top court ruled it illegal for violate building regulations. The 32- and 29-story towers, built by a private builder, were yet to be occupied and became the tallest structures in India to be razed. (AP Photo/Altaf Qadri) (AP)
The 32- and 29-storey towers, which were being built by a private builder in the city of Noida on the outskirts of New Delhi, were yet to be occupied.
“For the most part, everything is fine,” Ritu Maheshwari, a government administrator, said after the demolition.
“It happened as expected.”
The demolition was completed in seconds, but a 12-year court battle followed between area residents and the builder, Supertech Limited.
The razing of the towers came after the Supreme Court ruled that the builder, in collusion with government officials, violated laws that prohibit construction within a certain distance of nearby buildings.
The Supreme Court said the construction of the two towers was also illegal because the builder did not get mandatory consent from other apartment owners in the area.
A cloud of dust rises as the twin high-rise apartment towers are razed to the ground in a controlled demolition in Noida, on the outskirts of New Delhi, India, Sunday, Aug. 28, 2022. The demolition was do after the country’s highest court declared them illegal. for violating building regulations. The 32- and 29-story towers, built by a private builder, were yet to be occupied and became the tallest structures in India to be razed. (AP Photo/Altaf Qadri) (AP)
Before the demolition, the towers were surrounded by scaffolding, fences, barricades and special covers to block dust from the roughly 88,000 tons of debris that would be generated, officials said.
It will take three months to remove all the waste.
Residents are expected to return to the area on Sunday evening after experts examine the impact of the demolition.
Some apartments are only nine meters (29.5 feet) away from the blast site and the required safety distance is 20 meters (65.6 feet).
“It was among the top five demolitions in the world in terms of height, volume, steel and structural tightness,” said Utkarsh Mehta, partner at Edifice Engineering, which demolished the building in partnership with Jet Demolition from South Africa. at a cost of 180 million rupees ($2.25 million).
Debris is seen after two high-rise apartment towers were razed to the ground in a controlled demolition in Noida, on the outskirts of New Delhi, India, Sunday, Aug. 28, 2022. The demolition came after the court superior of the country declared them illegal for violating building regulations. The 32- and 29-story towers, built by a private builder, were yet to be occupied and became the tallest structures in India to be razed. (AP Photo/Altaf Qadri) (AP)
Mehta said 3,500 kilograms (7,716 pounds) of explosives were drilled into thousands of holes in the columns and shears of the towers.
The experts used the cascading demolition method in which one story collapses into the other.
Joe Brikmann, director of Jet Demolition, previously said he was confident there would be no damage to buildings adjacent to the toppled towers.
“The buildings in this area are in a high seismic zone (zone IV) and built to experience earthquakes that are much stronger than the vibrations of an implosion. We are confident that the implosion of the towers will not cause any damage to the properties”. Times of India newspaper quoted it.
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The world’s tallest building to be demolished with explosives to date was 165 meters (541 feet) high and occurred in Abu Dhabi, United Arab Emirates, on November 27, 2020, according to Guinness World Records.