Meaning and importance
In order to consider waste as raw materials and the built-up environment as a potential source of materials, a change of approach is needed within the construction and demolition sector. When considering the demolition of a building, enough time, space and workforce must be provided to selectively disassemble the building components and materials. In addition, you need to first make an inventory of the elements and materials to be disassembled.
Creating a demolition follow-up plan is an essential step before starting to selectively disassemble building elements. This plan includes an inventory with the aim of assessing the valorisation options for each type of material and/or product in the building. Better preparation for selective demolition can be achieved by quantifying and identifying the different material flows and their possible treatment (landfill, incineration, recycling or reuse).
In the case of reuse, the preparation of a detailed reuse inventory is recommended. This kind of inventory identifies all elements with a certain reuse potential. This is done based on an analysis of all available building-related documents and the findings during site visits. The preparation of demolition and reuse inventories requires a certain expertise and a good knowledge of the market. This is because the disassembled materials need to be able to be put back on the market as recirculated or recycled materials, and it is not always as easy to find suitable sales channels for all materials. At the same time, care must be taken to ensure that hazardous substances such as asbestos are removed from the chain. Nowadays there are companies that specialise in the preparation of these documents and can offer this as a service.