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Building Material Passport (BIM-based)

The Building Material Passport (BMP) is a document (either electronic or in paper format) that contains the information on products, components and materials existing in a building, as well as their quantities. These data are obtained from the information included in the BIM (Building Information Modelling) model of the building, based on the IFC (Industry Foundation Classes) standard. Depending of the Level of Development of the BIM model, additional external information on materials and quantities of each component will be required and provided by a technical user (e.g. the quantity of existing screws), to have a Material Passport of the building that is as accurate as possible. 

Source: © Sonia Álvarez Díaz, CARTIF

This BMP has the material inventory function, which allow building owners/ architects/public entities to know all products, components and materials, and their quantities, available in a building, allowing also to update them in the future and to perform a financial valuation. The information containing in the BMP can be used as input of different local materials bank solutions.

This will be important in the reuse and recycling stage of a product life cycle of the products, components and materials included in a building.

This solution can be applied in both new and existing buildings and can be used as input to calculate the LCA (Life Cycle Assessment), both in the definition of the materials to be used in the design phase, and in the renovation phase of a building. For the demolition phase, this BMP is of great interest as it shows the amount of materials that are available for recycling or reuse.

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