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The use of engineering control approaches to reduce noise at the source is preferred and can be accomplished by several means, including: using quieter tools, using vibration isolation or dampers on machinery, and disrupting the noise path by using barriers or sound insulation around the equipment [23] [24]
The term bulkhead is also used in a similar but distinct context to refer to large pressure sealing isolation barriers which can be retroactively installed for temporary or permanent use during maintenance or construction activities. [1]
The Maeslantkering ("Maeslant barrier" in Dutch) is a storm surge barrier on the Nieuwe Waterweg, in South Holland, Netherlands. [1] It was constructed from 1991 to 1997. As part of the Delta Works the barrier responds to water level predictions calculated by a centralized computer system called BOS.
A flood barrier, surge barrier or storm surge barrier is a specific type of floodgate, designed to prevent a storm surge or spring tide from flooding the protected area behind the barrier. A surge barrier is almost always part of a larger flood protection system consisting of floodwalls , levees (also known as dikes), and other constructions ...
The Thames Barrier is a retractable ... raised to allow "underspill" to allow operators to control upstream levels and a complete 180 degree rotation for maintenance ...
Although the use of concrete barriers on the right side of highway is becoming a much more frequent occurrence in areas where guardrail may be sustaining frequent impacts and the ability for maintenance repairs may be restricted by the general area or work windows due to high traffic volumes for most of the day.
Contraflow lane reversal is the altering of the normal flow of traffic, typically on a controlled-access highway (such as a freeway or motorway), to either aid in an emergency evacuation (the most common usage of the term in the United States) or, as part of routine maintenance activities, to facilitate widening or reconstruction of one of the highway's carriageways (the most common usage in ...
A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic. It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head-on collision .
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