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Industry Experts, IIT-Delhi Propose Permanent Solutions To Government On City’s Landfill Crisis

After the Ghazipur landfill collapsed on September 1, the landfill was shut. In a bid to prevent Delhi’s other landfills- Bhalswa and Okhla from overflowing, experts made a presentation before Lieutenant Governor Anil Baijal and Chief Minister Arvind Kejriwal giving permanent solutions to tackle garbage crisis

Industry Experts, IIT-Delhi Propose Permanent Solutions To Government On City’s Landfill Crisis
  • Proposal on scientifically handling landfill was made to L-G Baijal, CM
  • Experts discussed solutions for Ghazipur, Bhalswa and Okhla landfills
  • Solutions like flattening the garbage slope, removing leachate were given

New Delhi: Industry experts and IIT-Delhi representatives made a presentation on a permanent solution for the mountains of garbage at three landfill sites in the city before Lieutenant Governor Anil Baijal and Chief Minister Arvind Kejriwal. The presentation was made at a meeting convened by the Lieutenant Governor to discuss solutions for the Ghazipur, Bhalswa and Okhla landfills. In the deliberations about the mounds at Bhalswa and Okhla, it was decided to undertake their greening after grading their slopes in an engineered manner, the Lieutenant Governor office said in a statement.

The statement also said that work at all the three sites would be carried out under the guidance of experts to take care of any contingencies and long-term effects.

In the meeting, Professor Manoj Datta of IIT explained measures for improvement of stability of the garbage mounds such as flattening the slope and removing leachate (liquid that drains or ‘leaches’ from a landfill) and gas. Case studies from Gorai (Maharashtra), Vapi (Gujarat) and Hyderabad (Telangana) were demonstrated.

The issues of emissions control and need for elimination of fires was also deliberated. It was apprised to the Lieutenant Governor that a 5-layer impervious cover/cap could be provided besides removal of leachate and gas through drains and wells. Fires can be eliminated by collecting and flaring inflammable methane, the statement said.

Regarding the aesthetics of the landfill sites, it was suggested that the garbage slopes could be re-graded and green vegetative growth engineered.

Also Read: Delhi Sits On A Ticking Garbage Bomb: Six Latest Developments On Ghazipur Landfill Tragedy

The normal time-frame to implement such measures, which are also quite expensive, range from 9 months to 18 months, depending upon site conditions and clearances.

The Delhi Jal Board CEO talked about possible solutions for efficient forms of disposal of silt such as stocking it in geo-tubes and de-watering it along the banks of the existing major drains.

The Lieutenant Governor directed him to consult with NEERI (National Environmental Engineering Research Institute) and other experts on this front and come up with firm proposals.

Earlier this week, Lieutenant Governor Baijal had directed municipal corporations to increase the capacity of their existing waste-to-energy plants and clear the garbage at Ghazipur landfill site within two years beginning November.

The direction had come after a portion of the waste dump, estimated to be as high as a 15-storey building, collapsed on September 1, killing two persons.

Also Read: Delhi’s 80-Feet Garbage Mountain Collapses: 5 Stark Facts You Should Know About The Ghazipur Landfill

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