CROSS Safety Report: Failure of cantilevered stone staircase

Hugh Docherty looks at the topical subject of reinforced autoclaved aerated concrete (RAAC), offering brief guidance on identification and mitigation/remedial options.

Hugh Docherty introduces a new series of short advice notes that aims to educate structural engineers on historical defects commonly encountered when working on existing buildings.

Allan Mann of the IStructE Safety, Health and Wellbeing Panel provides a short summary of some of the key safety considerations when working on an existing building.