![]() ![]() Seismic anchoring of equipment and machines can vary greatly by the type of facility (Industrial, biotech, clean rooms, etc) in which they are installed. *Source: types of seismic anchorage can be deployed? Per the 2013 California Building Code, Section 105.2, item 13 “Non-fixed and movable fixtures, cases, racks, counters and partitions not over 5 feet 9 inches (1753 mm) in height” are NOT required to be braced or anchored. You can find these exact exemptions in the presentation drafted by BICSI here. In the ASCE 7-10 Chapter 13 Seismic Design Requirements for Nonstructural Components Section 13.1.4 “EXEMPTIONS” a whole list of exemptions is provided for equipment that is suspended, single hangar conduit, or equipment/component related. ![]() There are exceptions to seismic anchoring Section 13.1.4 item 6c: Any component where its center of gravity is more than 4 feet above the floor. Section 13.1.4 item 6c: Any component weighing more than 400 pounds. The American Society of Civil Engineers (ASCE) drafted seismic bracing requirements that concern machinery or equipment that meets the following two conditions: The second “when” is also a requirement in US states like California. The first “when” is the most obvious one: if your facility is located in a seismically active location you should definitely consider seismic bracing for any sensitive equipment or machines that may pose tipping hazards or loss of both tangible and intangible company assets (data centers and server racks are a common concern). When should you consider and/or be required to use seismic bracing? Seismic anchorage can be seen in many forms in facilities and can even apply to equipment installed on moveable caster systems as we saw in a recent Ask Lewis Bass blog post on this topic. Then you are now probably keenly aware of one potential result from not using seismic anchoring in your facility. If this blog’s featured image got your attention…
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