Tag Archives: seismic

Residential Code requirement for anchor bolt washer

Here is a little more information regarding my last post.  In addition to spacing and size requirements for hold-downs, the code also requires the use of specifically sized washers.  The washers must be used in conjunction with the anchor bolt … Continue reading

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Residential Code requirement for foundation wall hold-downs

The residential building code (R403.1.6) requires sill plates and walls to be anchored to the foundation wall.  This is accomplished by the use of hold-downs embedded in the concrete foundation wall at fixed intervals.  Each bottom plate must be attached … Continue reading

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