Construction projects under LEED Green Associate certification can minimize pollution during building stages by implementing preventive measures
In the realm of sustainable construction, the LEED Green Associate Exam has been a popular choice for those seeking certification. One question from the exam focused on the reduction of airborne dust generation in construction projects.
Airborne dust, a type of construction pollution, is a suspension of particulate matter in the air. It is generated by activities such as demolition, excavation, vehicle traffic on unpaved surfaces, and wind blowing over disturbed soil. This pollution can have significant impacts on air quality, human health, and climate.
The question posed by the LEED Green Associate Exam was which construction pollution can be reduced by prevention activities. The answer, as it turns out, is airborne dust generation.
Prevention activities play a crucial role in reducing airborne dust during construction. These measures include covering soil and stockpiles, using water sprays, installing wind fences, applying mulch, sweeping paved areas, limiting vehicle speed and frequency, using low-emission vehicles, implementing a dust control plan, and monitoring dust levels.
By implementing these preventive measures, construction projects can significantly reduce airborne dust pollution at the jobsite. This is beneficial not only for the environment but also for the health and safety of workers and nearby residents. Airborne dust can contribute to respiratory problems, allergies, asthma, and eye irritation.
It's important to note that not all construction pollutants can be reduced by these preventive measures. For instance, infiltration, blackwater creation, and high-reflectance materials are not directly affected by these measures during construction.
However, when it comes to airborne dust, a combination of these preventive measures can effectively reduce airborne dust levels and limit particulate air pollution.
In addition to these preventive measures, there are other strategies to further minimise dust generation. These include phasing construction, stabilising disturbed areas, regularly wetting down surfaces, washing vehicles, properly covering loads during transport, paving, applying water, or using dust suppressants on haul roads.
Moreover, professional wet/dry vacuum cleaners with safety technology, wetting or water damping combined with vacuum extraction during core drilling, and pre-separators like cyclone systems to separate dust before it reaches vacuums can help maintain dust-free environments and ensure safe working conditions.
Practicing with LEED Green Associate Exam question and answer resources can help in passing the USGBC LEED Green Associate exam and earning the USGBC LEED Green Associate certification. These resources are available for free and can provide valuable insights into sustainable construction practices.
In conclusion, reducing airborne dust generation in construction projects is a crucial step towards sustainable construction. By implementing preventive measures and best practices, we can significantly improve air quality, protect human health, and mitigate climate change.
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