Demolitions and dismantling

Introduction

Demolition is the most dangerous construction. It is carried out in a structure that has been weakened either as part of the ongoing operation, or as the result of natural forces (storms, floods), fire, explosions or simple wear and tear. The hazards during demolition are falls, being struck or buried in falling material or by the unintentional collapse of the structure, noise, vibration, and dust. In addition workers may be exposed to hazardous chemical and biological agents. One of the biggest challenges is to plan, organise and conduct the work in such a manner that no part of the structure can collapse unexpectedly. The article looks at typical problems…