Delhi pollution: Construction ban adds to delay in key infra projects
Agencies executing these projects and site managers have said that the prolonged halt on work will ensure that it will take them at least 20-25 days to achieve the same speed of work as it was when the work stopped. Several key infrastructure projects aimed at decongesting arterial stretches, some of them on the verge of completion, are stuck as a ban on construction activities in Delhi is on since November 14. Agencies executing these projects and site managers have said that the prolonged halt on work will ensure that it will take them at least 20-25 days to achieve the same speed of work as it was when the work stopped. The managers said the sourcing of construction material has also become difficult due to the ban on the operations of stone crushers and hot-mix plants which was enforced by the Central Pollution Control Board on November 8, 2021. At least three of these projects -- Ashram underpass, Pragati Maidan underground tunnel and the underpass connecting San Martin Marg-Benito Juarez Marg -- have missed deadlines set earlier due to various reasons, and are yet again looking at delays. Experts, however, have been arguing that instead of imposing restrictions on an impulse, the authorities should combine a forecast-based system with the measures mentioned in the Graded Response Action Plan (Grap). When the air quality is expected to deteriorate, these measures such as shutting of schools and ban on construction should be imposed immediately. But, when an improvement is expected, these measures should be reviewed immediately. The Supreme Court in its order on 24th November decided to reinforce the prohibition till further orders. The ban remains in force. It also directed the state governments of Delhi, Haryana, Punjab and Uttar Pradesh to utilise the corpus of labour cess for paying wages to construction workers during suspension of activities. The local task force of CAQM is holding daily review meeting however the CAQM is yet to hold a review meeting on the construction ban. A 2018 study conducted by The Energy and Resources Institute (Teri), a Delhi-based research institute, showed that vehicle emissions account for 24%-28% of the city’s pollution. Dust, on the other hand, contributed only 18%-38% to the city’s overall pollution. Anumita Roychowdhury, executive director, research and advocacy at the Centre for Science and Environment says Grap was designed so that restrictions could be imposed and lifted dynamically, based on the air quality. However, that is not seemingly being done. “Under Grap, construction work is banned when the air quality touches severe plus levels, but even when air has come down to the poor category, these activities stay banned. We need to implement Grap in the correct manner,” she said. Delhi has not seen a severe-plus day this year. However, Delhi recorded 11 severe (AQI between 401-500) air days in November this year. Dr. S Velmurugan Chief Scientist, Central Road Research Institute (CRRI) said maintaining a timeline may not be possible in several infrastructure projects if the ban on construction is extended. He suggested that the agencies should apply to the courts to permit construction work during the night time when the vehicular load is low on the roads. “The authorities should consider providing some relaxation to the projects which are in advanced stage by mandating stringent dust pollution control norms like regular sprinking of water at the site, prohibition on idling construction vehicles etc. Lakhs of vehicles are passing through the congested intersections are also contributing to additional air pollution,” he added.
