You are not permitted to download, save or email this image. Visit image gallery to purchase the image.
NZ Transport Agency Central Otago maintenance contractor Mark Stewart said the movement had been closely monitored since, a detailed inspection of the area was done in November and design work had now been completed.
As part of the project, set to begin on March 26, more than 80 rock bolts would be used to stabilise the mass.
Mr Stewart said the work would cost $950,000 and was expected to be finished by mid-June.