In specific cases the competent authorities have to be notified before work can start. building owners, clients, contractors and sub-contractors. The Directive 92/57/EEC of 24 June 1992 on the implementation of minimum safety and health requirements at temporary or mobile construction sites request all responsible persons to establish a chain of responsibility linking all the parties involved, i.e. The general OSH framework directive as well as several of the daughter directives are applicable, specifically: In case demolition must not generate dust and noise usually manual processes will be applied. Use of explosives will usually be the fastest way of demolition but may not be possible when other buildings are close by. The choice of method is dictated by the condition of the structure, its surroundings, the reasons for the demolition and cost. There are three principal ways of demolition: take the structure down piecemeal knock it or push it down or blast it down using explosives. exchange of boilers).Ī relatively new term is deconstruction, meaning to take a building or structure apart in order to preserve valuable elements for re-use (“green demolition"). the removal of a component of a structure often with a replacement by a new part (e.g. In the NACE (revision II) concept, demolition is a subcategory of construction, listed as specialised construction activities (Division F-43) further subdivided into Demolition and site preparation (Group: F-43.1) - indicating that demolition may precede the building of new structures - and having finally the lowest possible subcategory: Demolition (Class: C-43.11).Īs a demolition and the following site clearance may involve unearthing the foundations, also excavation activities may play a role.ĭismantling is seen as a partial demolition, i.e. disposing of the rubble and waste material. Demolition is often done in combination with site clearing i.e. Demolition in the construction sector means the bringing down of buildings and other structures that are load-bearing or otherwise related to the physical integrity of the structure.
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