The growing concern with vapor intrusion

In extreme cases, vapors may accumulate in dwellings or occupied buildings to levels that may pose near-term safety hazards (e.g. explosion) or acute health effects. This occurs when there is a migration of chemical-containing vapor from a subsurface source into an overlying building. Fortunately, mitigation and barrier systems can...
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Wood products and resilience of the built environment

In recent years, the term ‘resilience’ has become a buzzword used to demonstrate how products fit into adapting the built environment to expected changes. As more groups try to classify what resilience means to them, the need for a comprehensive discussion to set a standard definition of the term...
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Using shielded switchgear to maximize electrical safety

As the electricity industry has progressed, switchgear has come to the forefront as the technological innovation most effectively quelling safety concerns associated with arc flash. Medium-voltage switchgear technologies are particularly well-suited to reduce instances of this hazard through implementation of various safety innovations such as grounding switches.
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Understanding the code evaluation process

To be approved for use in building construction, products need to be tested and evaluated to the requirements of building codes by appropriate third-party entities. In the rapidly evolving market for building materials, a manufacturer’s ability to demonstrate its products are code-compliant is critical to gaining approval for use...
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No time to waste

Construction—especially demolition operations—can generate an enormous amount of waste. However, up to 80 percent of this waste may be diverted from landfills with a thorough construction waste management plan. As a result, this step is now a requirement of many municipalities and sustainable design standards.
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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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