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目前显示的是标签为“Telecom Tower Obstruction Light”的博文

OBSTRUCTION lIGHT FOR TELECOMMUNICATION & RADIO TOWERS

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Telecommunications & Radio Towers are, typically,tall structures designed to support antennas for telecommunications and broadcasting, including television. They are among the tallest man-made structures. Basic Rule The number of light levels recommended depends on the height of the structure The number and arrangement of light units at each level should be placed so the lighting is visible from every angle in azimuth Lights are applied to display the general definition of the structure Width and length of buildings determine the number of lights installed at the top and at each light level Obstruction Light Installation h ≤ 45m            Only one level: Low intensity 45m < h ≤ 105m     2 levels  *Top level: Medium intensity;   *Intermediate level: Low intensity/Medium Intensity; 105m < h ≤ 210m    4 levels *Top level: Medium intensity; *First Intermediate leve...