From the Royal Commission's website:
This report comments on the performance of earthquake strengthened unreinforced masonry (URM) buildings located in the Christchurch CBD, during the 22 February 2011 earthquake. The report also provides details on the performance of various earthquake strengthening techniques used in these buildings. The report should be read in conjunction with the authors' earlier report and the peer review reports of Mr Turner and Mr Lizundia.The initial report, The Performance of Unreinforced Masonry Buildings in the 2010-2011 Canterbury Earthquake Swarm, is here.
The follow-up report, The Performance of Earthquake Strengthened URM Buildings in the Christchurch CBD in the 22 February 2011 Earthquake: Addendum Report by Professor Jason M. Ingham and Professor Micheal C. Griffith, October 2011, is here.
The peer review reports are here (Turner) and here (Lizundia).