Civil engineering infrastructure is generally maintained in accordance with safety, economic and technical issues. But what of the environmental impact of such activities? Regular maintenance can have a significant environmental impact—particularly in the case of bridges, where closure can result in traffic jams and lengthy detours. Higher cost but lower maintenance components and transfer of structures to lower-grade sites are possible answers which, until now, have been difficult to assess. This paper reports on a life-cycle assessment method developed to factor environmental impact into bridge maintenance strategy. Though developed for bridges, it has potential application throughout the facilities management sector.
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