Repairing and rebuilding houses affected by the Canterbury earthquakes
About these documents
If you are working on Canterbury’s earthquake-damaged houses, this guidance (commonly referred to as the Residential guidance) provides technical solutions.
The application of this guidance requires case-specific consideration and use of engineering judgement from appropriately qualified and experienced professionals.
Use the getting to grips tool to help find your way around.
Updates and clarifications to the residential guidance
Supplementary guidance includes information sheets and worked examples.
The residential guidance – in eight parts
You can navigate through the parts of the residential guidance and download the technical information you need, including:
- appropriate geotechnical investigations
- repairs to foundations and new foundations in TC1 and TC2
- assessments of retaining walls for hillside properties
- chimney repairs
- repairs to house superstructures, pole frame houses and masonry walls
- information about repairing and rebuilding foundations in TC3
- guidelines for the geotechnical investigation and assessment of subdivisions in the Canterbury region.
- information about previous versions (version control)
- a foreward from MBIE
- objectives, regulatory context and scope
- a summary table of technical categories, land criteria and repair and rebuild approaches
Part A: Technical guidance (TC1 and TC2)
- assessing, repairing and building foundations
- assessing retaining walls for hillside properties
- chimney repairs
- repairs to house superstructures, pole frame houses and masonry walls.
Part B: Technical information
- insurance and regulatory requirements
- observed land and building performance
- future liquefaction expectations
Part C: Technical Category 3 (including updates)
- guidance for assessing, repairing and rebuilding foundations for residential properties in TC3
- if you are an engineer, building control official or insurance assessor, this section will help you determine whether to repair or rebuild foundations
- focuses on foundation design solutions for one and two storey timber framed dwellings, which are the dominant form of construction in the TC3 area. You also need to read Parts A and B of this guidance, as material is only repeated where it is considered necessary.
Part D: Subdivisons
- guidelines for the geotechnical investigation and assessment of subdivisions in the Canterbury region (including requirements for assessing the potential for liquefaction)
Part E: Repairing and rebuilding multi unit reseidential buildings
- assessment criteria and recommendations for the repair and rebuild of the foundations, firewalls, and superstructures of multi-unit residential buildings in Christchurch
- a list of references and glossary of terms