The past few years have seen several highly publicized incidents involving window and balcony glass breaking spontaneously and falling from high-rise buildings.
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Colin Gilboy, founder of 4specs website, estimates there are only 800 W-2 employed and 1099-independent specification writers currently working in the United States. (By his reckoning, it takes 30 to 50 employees to support a full-time specifier.)
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For testing certain wall assemblies, the 2012 International Building Code (IBC) requires National Fire Protection Association (NFPA) 285, Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Non-load-bearing Wall Assemblies Containing Combustible Components.
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The durability of wood-framed balconies varies widely, with too many suffering from leaks, visible damage on the finishes below, and concealed structural damage from continued water migration. Balconies are vulnerable to decay because they catch rainfall and direct it to a myriad of intersecting planes.
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Since the original high-volume, low-speed (HVLS) fan prototype came to market more than 15 years ago, there have been significant technology and design developments improving the way they function.
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Built in the late 1920s, the Art Deco 10 Light Street is the first skyscraper in Baltimore. A detailed façade inspection was recently completed using 29 swing stage drops for close access.
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Replacing 100 percent of portland cement with fly ash to produce concrete has long been considered something remarkable in the comfort of highly controlled lab conditions, but impossible for practical large field applications.
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As more research and information is available on the impact of white versus black roofs based on geographic location, it is increasingly important that architects, specifiers, engineers and design professionals are educated on the effects of white roofing membranes in colder northern climates.
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The U.S. Environmental Protection Agency (EPA) estimates stormwater runoff is responsible for 70 percent of all water pollution in lakes, rivers, and creeks. When developers use conventional methods such as impervious surfaces, stormwater is often left uncontrolled.
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Energy efficiency is becoming an ever-increasing goal, but it can be difficult with fenestration due to a need to balance performance requirements while remaining economically viable and minimally impacting the environment.
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