Determine earthquake demand and calculate the restraint forces for all linear, floor-mounted and suspended components (NZS 4219:2009).
Design a restraint system for each component that has sufficient capacity to resist seismic forces. A typical restraint system consists of one or more anchor points, braces or supports and connections to the building component.
NZS 4219:2009 requires the design and installation of a restraint system for each component that has sufficient capacity to support and resist the forces determined in the earlier design steps.
Attach all components and associated supports and restraints to the supporting structure so that seismic forces are properly transferred to the structure.
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