From Occupational Health & Safety
In 1931, the Empire State Building became the world's tallest building with a height of 1,250 feet and a staggering 102 floors. Today, the Empire State Building ranks 19th in the world and the tallest building, the Burj Khalifa in Dubai, stands 2,717 feet tall with 163 floors. As the height and number of high-rise buildings continue to increase, new devices and technologies are required to ensure safety during everyday operations and in the event of an emergency.
The standard signage and guardrails are no longer enough. Major advancements have taken place during the past 10 years, and more are on the way.
Prior to the Sept. 11, 2011, attacks, the World Trade Center deployed a new safety technology throughout the building: photoluminescent, or glow-in-the-dark, safety and egress markings. Unlike battery-operated safety technology, the photoluminescent technology remained visible for hours without any power source. While many lives were lost that day, the technology was credited with saving countless lives by lighting the way to safety.
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