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CANTERBURY EARTHQUAKES 2010/11 PORT HILLS SLOPE STABILITY: LIFE-SAFETY RISK FROM ROCKFALLS (BOULDER ROLLS) IN THE PORT HILLS (2012)

This report is based on the methodology established in Canterbury Earthquakes 2010/11 Port Hills Slope Stability: Pilot study for assessing life-safety risk from rockfalls (boulder roll) and includes those areas of the Port Hills not assessed in the pilot study. These areas are Hillsborough, Richmond Hill Road, McCormacks Bay, Mt Cavendish, Taylors Mistake, Moncks Bay, Cass Bay, Governors Bay, and some parts of Lyttelton, Bowenvale, Sumner, Vernon Terrace and Avoca Valley. The report provides recommendations to the City Council including the need to continue monitoring the rockfall source areas as further instability is likely to occur. As for the pilot study report, this report contains maps showing the zones of risk, potential rockfall source areas and building locations. Important technical aspects of the report are summarised in Life-safety risk from rockfall on the Port Hills 
Reference:
GNS Science Consultancy Report 2012/123
Organization:
GNS Science Consultancy
New Zealand
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