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GUY, Bradley; ROCHA, Cecília. A Building lifecycle model based on a design for deconstruction approach. In: SIMPÓSIO BRASILEIRO DE GESTÃO E ECONOMIA DA CONSTRUÇÃO, 4., ENCONTRO LATINO-AMERICANO DE GESTÃO E ECONOMIA DA CONSTRUÇÃO, 2005, Porto Alegre. Anais… Porto Alegre: ANTAC, 2005.
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Resumo

Design for disassembly or deconstruction (DfD) in the built environment is an emerging design approach that incorporates building materials end-of-life management in the building design phase. Building design for disassembly has as its goal the economical and environmentally responsible recovery of all building materials after their useful lives whether as systems, components or individual materials – and whether generated from repairs, renovations, and replacements or at the demolition phase. The deconstruction design approach can significantly reduce the construction and demolition debris, which constitute a considerable percentage of solid waste on most countries worldwide, and therefore also a major concern in terms of environmental impacts. The first part of this paper will broadly present the DfD approach, its main concepts and application considering the building design and construction scenarios. The second part will present a proposed building lifespan model, based on the DfD and cradle-tocradle (McDONOUGH) concepts, emphasizing mainly its economical and environmental benefits. This model intends to illustrate the possible end-of-life scenarios and reprocess steps (recycle, reuse and remanufacture) for building and components that are designed for deconstruction. It also aims to systematize a possible building lifecycle model creating a tool to contribute in the elaborating of more environmental and economically sustainable buildings.

Abstract

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