Hygienic Ceilings: Standards and guidelines

Various regulations and guidelines for constructing and maintaining ceilings in facilities with hygienic requirements. A complement to one of the magazine's feature articles, this short web piece looks at requirements and best practices for schools, laboratories, food preparation, healthcare, and other specialized spaces.
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Specifying HVAC equipment in critical environments

Cleanrooms present unique design challenges because they must meet specific requirements that go beyond what is encountered in a typical commercial space. When specifying HVAC equipment in a critical environment such as a cleanroom, engineers must consider the key issues of air filtration, humidity control, and pressurization.
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Breaking the glass roof: Building with ETFE architecture

Tensile structures have been used for millennia. When indigenous peoples required shelter that was lightweight and structurally sound, fabrics made from animal hides and easily transportable elements were the most viable solution. At the Roman Colosseum, a retractable Velarium provided shading for a more comfortable spectator experience.
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Specifying seismic ceiling safety

The International Building Code (IBC) sets minimum requirements for life safety and preservation of property. All 50 states and the U.S. Virgin Islands use the code at local or statewide levels. Following its requirements helps increase safety and may decrease possible long-term liability costs.
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