The following web pages are on the HRC site, but password protected for now. Apparently they are still under development and will soon be accessible to the public.
Canterbury Earthquakes: review and appeal rights http://www.hrc.co.nz/human-rights-environment/canterbury-earthquakes
What complaints processes are available if I am unhappy with the Fletcher Earthquake Recovery or building contractor repairs/service provision? http://www.hrc.co.nz/human-rights-environment/canterbury-earthquakes/complaints-processes