Seismic restraints/bracing in accordance with AS1170.4 - 2007 must be:

• Detailed and installed as per approved shop drawings
• Installed for the following hydraulic and gas services:
• Boilers, furnaces, incinerators, water heaters and other equipment using combustible energy sources or high energy sources, chimneys, flues, smokestacks, vents and pressure vessels.
• Suspended reticulated services 65mm in diameter and above and gas services 25mm and above, installed 300mm or lower below the fixed point to the structure.
• Separation between restrained and unrestrained services must be in accordance with the table below: