Canterbury technical guidance updated

On: 29 April 2015

MBIE has released updated guidance on site ground improvement (section 15.3 of the technical guidance ‘Repairing and rebuilding houses affected by the Canterbury earthquakes, December 2012’).

There are now more options for repairing and rebuilding structures on some TC3 land. The update is based on research data collected from recent extensive ground improvement trials and follows thorough peer review by international experts.

These new options have been added to the Site ground improvement (section 15.3) of the guidance. They will provide more choice so that a simpler and more affordable option can be constructed, while still providing an appropriate level of protection for houses and compliance with the Building Code.

The updated guidance can be found on


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