Raising height of IGI boundary wall won’t reduce noise, IIT to NGT

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New Delhi, Oct 3 (IANS) Raising height of the peripheral wall around the IGI Airport may not help in reducing the noise pollution around it, IIT Delhi told the National Green Tribunal on Tuesday.

The tribunal in January directed the Civil Aviation Ministry and aviation regulator DGCA to find

possibilities to prevent noise pollution from aircraft landing at the airport, but IIT experts told the bench, headed by NGT chief, Justice (retd) Swatanter Kumar, that no substantial drop in the sound pressure was noticed with every metre added to the wall’s height.

“Air gap between the existing wall and the proposed additional construction on top of the existing wall should be effectively sealed, while allowing for the thermal expansion of the structure,” the IIT report said.

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The report was filed in pursuance to the NGT’s direction to conduct a study after pleas were filed by the residents of south Delhi’s Vasant Kunj, NGO Society for Protection of Culture Heritage, Environment, Traditions and Promotion of National Awareness (Chetna) and others seeking directions to reduce noise level in the residential areas near the IGI airport.



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