Seismic Restraint

  • Seismic restraints/bracing in accordance with AS1170.4 – 2007 where required must be:
  • Detailed and installed as per approved shop drawings.
  • Installed for the following electrical services:
  • Emergency electrical systems (including battery racks)
  • Life safety system components
  • Lighting fixtures
  • Cable support systems
  • Electrical main switchboards, panel boards and dimmers
  • Installed 300mm or lower below the fixed point to the structure where the suspended reticulated services are 65mm in diameter and above.
  • Seismic restraints/bracing on do not need to be installed on electrical conduit with less than a 64mm inside diameter.