CROSS Safety Report: Undermining retaining walls adjacent to highways

Learn how to identify, assess, manage and remediate reinforced autoclaved aerated concrete (RAAC) defects in buildings.

This month's report concerns a poorly designed retaining wall, immediately adjacent to a steel-framed multistorey building, which deflected and imposed significant lateral geotechnical loads into the building's superstructure.

This month's report details the structural damage in a listed building after alterations that involved moving a spine wall and notching timber joists.