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BRIEFLY… |
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Sponsored
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Sponsored
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FORM + FUNCTION |
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A 16-m (53-ft) diameter glass oculus is the focal point of New York City’s Fulton Center—a transit hub integrating five subway stations served by nine subway lines. Located in the lower Manhattan financial district, the 16,700-m2 (180,000-sf) space serves as many as 300,000 transit riders daily. Beneath the oculus—which is Latin for ‘eye’—is the ‘Sky Reflector-Net,’ a mesh-like structure by James Carpenter Design Associates, Grimshaw Architects, and Arup. Featuring 952 perforated aluminum panels, the net transmits sunlight 34 m (110 ft) down into the Fulton Center’s lowest levels, which would not receive natural light otherwise.
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IN OR OUT?
While security windows and detention windows may seem to serve the same purpose, the major difference comes down to whether you intend to keep the threat in or to keep it out. The answer to this simple question will influence how to correctly specify the right type of window for a facility. For instance, with security windows, the glazing is installed from the inside—therefore, the removable glazing stop is on the inside. On detention windows, the glazing is installed from the outside, with the removable glazing stop on the outside.
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EVENTS
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TOP TRENDING ARTICLES |
Structures of all sizes can benefit from bringing natural light into a space and connecting the building’s occupants to the outside environment. The use of natural light on its own, or integrated with architectural lighting, provides energy savings and creates an aesthetic environment.
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According to the U.S. Department of Energy (DOE), widespread use of light-emitting diodes (LEDs) has the greatest potential impact on energy savings in the country. Fortunately, the highly efficient nature of these luminaires, coupled with their innate ability to be controlled, make this digitally addressable light source ideal for many applications. With increased demand for LED lighting, it is essential specifiers know the details of selecting this type of lighting system.
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Although the thermal performance of any insulation product in actual use is complex and includes many parameters, this author feels the industry can do better than R-value alone. The first article in this two-part series laid the groundwork for this discussion on R-values and their use as a metric for thermal insulation performance. Now, in this second part, we examine the real-world use of it as a gauge for ensuring insulation products function as intended.
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