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the rural area around the mine and plant should be that the noise levels at single dwellings do not exceed 45 dB(A) and 35 dB(A) during day- and night-time respectively, due to the mining and plant operations.
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Noise Pollution Sources: Industry
For example, Bugliarello et al. (1976) report that "riveting a large steel structure" (p. 221) can produce noise levels greater than 130 dB. Molding, another type of product fabrication, can also be highly noisy with its use of high-pressure air in the operation, pneumatic control, and cooling of molding machinery.
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equipment manufactures about the noise levels of their equipment and consider these levels when making your purchase. For example, noise-reducing saw blades can cut noise levels in half when cutting masonry blocks. Old equipment can be made quieter by simple modifications, such as adding new mufflers or sound absorbing materials.
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Selection of low-noise tools and machinery through a positive purchasing and hire policy can avoid the need to apply retrofit noise control. This could be the single most cost effective, long-term measure an employer can take to reduce Noise. A positive noise-reduction purchasing policy could involve: preparing a machine specification.
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Noise Noise means unwanted sound or loud discordant or disagreeable sound or sounds. The effect of noise on hearing can be temporary or permanent.
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Models of plates showing the sound power level (L WA) and sound pressure levels (L pA) at the operator's position required by the European Community's construction noise directive (79/113/EEC). Reprinted from Higginson et al. (85) with permission from Noise News International.
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Easy ways to keep noise levels low. Buy the quietest plant and machinery for the job and always ask the manufacturer/supplier for information about noise levels. Change the way you do the job, for example glue dont hammer, weld dont rivet, lower dont drop.
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Guidance for carrying out risk assessment at
2 Introduction This publication sets out basic advice for carrying out Risk Assessment at Surface Mining Operations. Surface mining operations are defined as activities undertaken during winning, transporting
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10. Noise Effects Yellowhead Mining Inc.
In this assessment, three types of noise sources are identifiednoise from mining operations, noise from an increase in traffic volume, and noise from blasting. Different approaches are taken to assess these three types of sources and more information is provided in Section 10.5.3.3.
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The importance of noise protection in the workplace
When we think of severe injuries that can occur in the workplace, we might not think of the importance of protecting our ears. Read More »
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Management of noise in Western Australian mining operations ... Appendix 5 illustrates some typical noise levels associated with plant used in mining operations, ...
Minerals overview What are mineral resources and why is planning permission required? Mineral resources are defined as natural concentrations of minerals or, in the case of aggregates, bodies of rock that are, or may become, of potential economic interest due to their inherent properties.
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5 NOISE SOURCES WHO World Health
104 Noise sources Table 5.1. Workers exposed to daily LAeq exceeding 85 dB(A). (EPA, 1981) Agriculture 323000 Mining 400000 Construction 513000 Manufacturing and Utilities 5124000 Transportation 1934000
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