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Environmental Protection in Delhi Mass Rapid Transport System (Mrts) Project
Published in S.P. Kaushish, T. Ramamurthy, Tunnelling Asia’2000, 2020
All necessary precautions shall be taken to minimise Fugitive Dust Emissions from operations involving excavation, grading, clearing of land and disposal of waste. Emissions of Fugitive Dust from any transport, handling, construction or storage activity shall not be allowed to remain visible in atmosphere beyond the property line of emission source. Dust generating material shall be transported in closed containers or covered trucks; loaded and unloaded in closed systems. At each construction site, the contractor shall provide storage facilities for dust generating materials that shall be of closed containers/bins or, wind protected shelters or, mat covering or, walled or, any combination of the above. The dust producing excavated material shall be loaded/placed in a manner that will minimise dust production. The material shall be stabilised each day and wetted. During dry weather, dust control methods shall be used continuously especially on windy, dry days to prevent any dust from blowing across the site perimeter. Water sprinklers shall be made available at all times for dust control use. Dust control activities shall continue even during any work stoppage. The contractor shall design and implement his blasting techniques so as to minimise dust generation. The contractor shall water down construction sites as required to suppress dust, during handling of excavation soil or debris or during demolition.
Erosion
Published in Karlheinz Spitz, John Trudinger, Mining and the Environment, 2019
Karlheinz Spitz, John Trudinger
Besides tailings storage areas there are many other sources of fugitive dust emissions that may be carried away with prevailing winds. Fugitive dust can originate from site preparation (e.g. land clearing, soil stripping, and topsoil management), mining operations (e.g., drilling and blasting), transportation – often the most common source of continuous dust emissions (e.g., from loading equipment, haul vehicles, conveyors), comminution (crushing and grinding), and mine waste management operations (i.e., waste rock dumping).
Environmental Impact Assessment
Published in Musaida Mercy Manyuchi, Charles Mbohwa, Edison Muzenda, Resource Recovery from Municipal Sewage Plants, 2018
Musaida Mercy Manyuchi, Charles Mbohwa, Edison Muzenda, Musaida Mercy Manyuchi, Charles Mbohwa, Edison Muzenda
Site preparation and construction have the potential to have a twofold direct negative impact on air quality. The first impact is air pollution generated from the construction equipment and transportation. The second is from fugitive dust from site and access roads, cleared areas and raw materials stored on site. Fugitive dust has the potential to affect the health of construction workers, the resident population and the vegetation. The mitigation that can be considered includes
Preparations and application of dust suppressants from biomass-based materials
Published in Journal of the Air & Waste Management Association, 2021
Fugitive dust is a serious environmental issue that can arise from the mechanical disturbance of soils, which injects fine particles into the air. Atmospheric particulate matter can contain various metals, depending on natural or anthropogenic factors, which are harmful to the human body. These suspended particles have been shown to constitute a large fraction of PM10 (particles with aerodynamic diameters less than 10 micrometers) in many urban and non-urban areas (Schins et al. 2004; Schwarze et al. 2007). These fine dusts are generated from various sources, such as roads, construction sites, combustion processes, and yellow dust (incoming from China and Mongolia), and may cause harm to humans in the short or long term. In particular, the fugitive dust generated from construction sites near residential areas needs to be controlled immediately, because it has a significant impact on human health (Gillies et al. 2005). A 2008 study found that PM10 generated by the erosion of road pavement by studded tires provoked inflammatory responses in the cells of human bodies as potent as the response caused by diesel particles (Gustafsson et al. 2008). Severe health effects that have been linked to long-term exposure to moderate concentrations of PM10 include a significant reduction in the average life expectancy of a population by several months (Abbey et al. 1999).
Analytical hierarchy process as dust palliative selection tool
Published in International Journal of Pavement Engineering, 2020
Eskedil Melese, Daniel Pickel, Devin Soon, Jeff Mack, Susan L. Tighe
Dust nuisance is often a major problem in gravel and earth roads. Fugitive dust on roadways endangers the safety of the road users, pollutes the air and affects the comfort of property owners residing along unpaved roadways. To alleviate this problem, it is customary to use either water or various dust palliative chemicals. Jones and Surdahl (2014) stated that there are more than 190 commercialised proprietary dust palliative products available on the market. These products vary in terms of their cost, effectiveness and environmental impact, among other factors. Most of these products can be grouped into one of the seven categories shown in Table 1, based on their composition (Rushing and Tingle 2006; Jones et al.2013).
A review of dust emission dispersions in rock aggregate and natural stone quarries
Published in International Journal of Mining, Reclamation and Environment, 2018
M. Sairanen, M. Rinne, O. Selonen
The United States Environmental Protection Agency [5] categorises dust emission sources in open-pit quarries into process and fugitive dust sources. Process source emissions can be captured and subsequently controlled, e.g. through crushing inside a baghouse. Fugitive dust sources involve the re-entrainment of settled dust by wind or machine movement, causing the dust to arise from the mechanical disturbance of granular material exposed to the air. Emissions from process sources should be considered fugitive unless the sources are contained in an enclosure with a forced-air vent or stack [5]. Fugitive dust poses one of the major problems in quarries because it is generated from unconfirmed sources, like quarry area and transportation, and it escapes capture [2].