Seismically sound: Mastering unpredictable movement in healthcare settings

Over the nearly 30 years since this legislation was passed, a rash of innovations have been incorporated into hospital design and construction, including advanced seismic systems (such as seismic isolation, damping, and buckling-restrained braces), nonlinear analysis techniques, comprehensive nonstructural bracing, and performance-based evaluations. There is an increasing understanding that...
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How to waterproof in-floor door operators

Inserting an in-floor door operator, with its motorized rotating spindle and conduits for power, into the waterproofing interface increases the degree of difficulty, given tight and small spaces involved and the need to seal all penetrations made in the waterproofing to anchor, drain, and power the closer long-term watertight.
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Identifying and fixing concrete flooring challenges

Concrete floors are popular choices in certain spaces in a variety of finishes as they are long-lasting and extremely durable if the contractor has installed, cured, and finished them properly. However, issues can arise during or after installation, and construction professionals must know how to diagnose and fix these...
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DCA3: Designing fire-rated I-joist assemblies

For years, Design for Code Acceptance #3 (DCA3) has been the go-to resource for anyone working with I-joist assemblies. I-joist (WIJ) assemblies were added to DCA3 in 2001 and were intended to promote the usage of engineered lumber by simplifying the associated design, specification, and permitting processes.
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