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ISO 20887 Sustainability in Buildings and Civil Engineering Works

Discover coming building renovation trends

About The ISO 20887 Standard

ISO 20887 updates the industrial standards for interior renovation, both in terms of demolition of old materials and the reuse or selection of new materials. The standard has a heavy focus on overall sustainability.

The new expectations detailed in ISO 20887 apply in both buildings and civil engineering projects. The new standard can be applied for both incremental changes, as well as complete change-outs. It’s important to note, the application of this standard is not simply a list of set requirements; instead, ISO 20887 is a framework of criteria that need to be met if a builder or developer wants to apply the standard to pass ISO standard review successfully.

A key factor and theme in ISO 20887 is the maximum re-use of existing materials where possible. The standard integrates this in what it calls a “circular economy,” emphasizing the utilization of products as much as possible in order to minimize waste. To achieve this, the standard separates between biological material behavior and technical artificial behavior.

Applications

In terms of application, ISO 20887 works in two ways: adaptability and disassembly.

Adaptability breaks down into three more versions, all of which are focused on changing conditions, structure, and materials to enhance what already exists. For example, if a multi-story facility already has stairs, the question is whether the existing facility can be modified to add a gradual ramp for the impaired. If a building is going to be expanded, the question is whether the existing structure can be modified with a minimal amount of waste generated while adding to the usability footprint of the structure.

Disassembly focuses on reducing and breaking down existing materials to purposefully avoid more treatment than necessary. This way, the builder or developer is actively re-purposing material where possible. For example, long and thick boards can be re-purposed to make simplistic public benches with a minimal amount of finish and re-shaping. Electrical wiring that is removed from a facility should be recycled and re-purposed where possible, if the wiring is usable, and meets safety standards and can be re-applied with little effort or additional treatment.

For every effort towards re-purposing, recycling, and waste minimization, record-keeping is essential to show that the standard has been applied correctly. This includes shop drawing, architectural designs, notes and details of materials used, redirection of existing materials, inventories of surplus, and direction of recycled material to recognized recycling processors.

Next Steps

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