Multi-Use

Q7

Why do I need to provide restraints on equipment that is hung 12″ or less from the ceiling? ANSWER: Although from a philosophic viewpoint it would seem that the rules stated in the questions above should apply to equipment, this is not the case. Equipment behaves more erratically than piping or ductwork during a seismic …

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Q4

If I follow the current code standards, will my building weather an earthquake without any problems? ANSWER: The codes are based on the maximum “likely” earthquake that has a 2% chance of occurrence in the next 50 years. This means there is a very small chance that an earthquake can occur that is larger than …

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Q3

In the past, although the code specified some requirements for minor seismic restraint where my projects are located, the code officials frequently waived the requirement. Why have they suddenly become stubborn about waiving it on current and future projects? ANSWER: FEMA (Federal Emergency Management Agency), is the agency responsible for relief when an “act of …

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Q2

My projects are located in areas that do not normally see earthquakes and I have not had to restrain equipment before. Why am I being asked to do so now? ANSWER: In reviewing seismic events on a worldwide basis, it has been found that a tremendous amount of damage has occurred as the result of …

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