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Noise disturbance caused by vibration comes in three forms. One is contact with vibrating surfaces, the second in auditory, and the third is the observation of surrounding objects movement. Objectively regulating vibration is difficult so this provision makes use of the Vibration Perception Threshold.
South Bellevue station is an elevated light rail station located in Bellevue, Washington, United States, an eastern suburb of Seattle.It opened on April 27, 2024, as the western terminus of the 2 Line of Sound Transit's Link light rail system.
The Port of Seattle approved a plan for the new runway in 1996, prompting a lawsuit from opponents. The Port secured the necessary permits by agreeing to noise reduction programs and environmental protections. [40] Runway opponents appealed these permits, but dropped their challenges in 2004. [41]
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The 2 Line, also known as the East Link Extension, is a light rail line serving the Eastside region of the Seattle metropolitan area in the U.S. state of Washington.It is part of Sound Transit's Link light rail system and runs for 6.6 miles (10.6 km) in the cities of Bellevue and Redmond.
A Sound Garden is an outdoor public art work in Seattle, Washington, United States.It is one of six such works on the National Oceanic and Atmospheric Administration (NOAA) campus, which lies adjacent to Warren G. Magnuson Park on the northwestern shore of Lake Washington.
An effective model for noise control is the source, path, and receiver model by Bolt and Ingard. [9] Hazardous noise can be controlled by reducing the noise output at its source, minimizing the noise as it travels along a path to the listener, and providing equipment to the listener or receiver to attenuate the noise.
The STC is useful for evaluating annoyance due to speech sounds, but not music or machinery noise as these sources contain more low frequency energy than speech. [ 1 ] There are many ways to improve the sound transmission class of a partition, though the two most basic principles are adding mass and increasing the overall thickness.