Delhi's Construction Dust Challenge: The Limitations of Green Nets
Why Green Nets Alone Cannot Solve Delhi’s Construction Dust Problem | Explained
News 18
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Green mesh sheets are commonly used at construction sites in Delhi to mitigate dust pollution. However, a recent review by the Delhi Pollution Control Committee revealed that many of these nets are ineffective, prompting a new regulation mandating a minimum thickness of 100 grams per square meter. Experts emphasize that while these nets can help, they are not a standalone solution to the city's dust problem.
- 01The new regulation requires green nets to have a minimum thickness of 100 grams per square meter to enhance their effectiveness.
- 02Dust from construction activities contributes significantly to air pollution in Delhi, accounting for up to 42% of PM10 and 38% of PM2.5 pollution during summer months.
- 03Environmental experts warn that green nets alone are insufficient; proper installation and maintenance are crucial for their effectiveness.
- 04Additional measures such as water sprinkling, proper debris covering, and truck wheel-washing are essential to effectively control construction dust.
- 05The Delhi government is developing Dust Portal 2.0 to improve monitoring and compliance at construction sites.
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In Delhi, green mesh sheets are widely employed at construction sites to contain dust, but a recent assessment by the Delhi Pollution Control Committee (DPCC) has raised concerns about their effectiveness. The DPCC found that fine dust particles can still penetrate many of the currently used nets, leading to a new regulation mandating a minimum thickness of 100 grams per square meter for these materials. This requirement aims to ensure that the nets serve their intended purpose of reducing dust pollution rather than merely providing a visual cover. Environmental experts highlight that while these nets can mitigate larger dust particles, they are not a comprehensive solution. Poor installation and maintenance can render them ineffective, allowing finer particles like PM2.5 to escape. Moreover, construction dust significantly contributes to Delhi's air pollution, with studies indicating it accounts for up to 42% of PM10 and 38% of PM2.5 pollution during summer. Experts advocate for a multifaceted approach to dust control, including regular water sprinkling and proper debris management. To further enhance compliance, the Delhi government is also working on a centralized monitoring platform known as Dust Portal 2.0.
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The new regulation aims to improve air quality in Delhi by ensuring construction sites effectively manage dust pollution.
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