New specifications with advantages for wood


Public procurement law (BöB) has been revised and will come into force at the beginning of 2021. The BöB and the newly published understanding standard SIA 101 require the consideration of sustainability over the entire life cycle. This is a clear commitment to wood as a building material.

New specifications with advantages for wood

With the implementation of the Federal Law on Public (BöB), a paradigm shift towards more sustainability and quality competition is taking place. and quality competition. As of January 1, 2021, the contract will no longer be awarded to the the most advantageous bid will be awarded the contract. The SIA published since August (SIA 101:2020) reinforces this endeavor. this endeavor. It defines the consideration of sustainability over the entire life cycle as a basic task of the builder. of the building owner.

Wood is ecologically and economical
Wood is a naturally renewable raw material. It has a clear lead clearly ahead of the rest when it comes to climate issues. However, this natural raw material scores points only in terms of ecology. The use of wood also makes sense from an economic over the entire life cycle, timber buildings are usually more economical than buildings made more economical than buildings made of reinforced concrete. That is why large and professional investors are increasingly turning to wood, although the planning and construction costs can be slightly higher.

Several factors contribute to the cost-effectiveness:

  • ideal conditions for digital planning thanks to high prefabrication
  • short construction time
  • earlier commissioning/renting/sale
  • lower heating costs
  • lower maintenance costs
  • lower deconstruction costs

Correlation of life cycle costs and construction method

Wooden buildings are less expensive when considered over the entire life cycle. Source: Lignum, Arguments for wood

Those who want to consistently implement the requirements of BöB and SIA 101 will in future rely on high quality and the sustainable use of resources. sustainable use of resources. The use of wood is the logical consequence.

Use of Swiss wood in public tenders
Wood from Switzerland performs even better - at least as far as the ecological aspects are concerned. ecological aspects. Swiss wood is not transported far, which reduces the reduces the amount of gray energy it contains. But beware: The Federal Law on public procurement defines the type of procedure for an invitation to tender. Construction projects worth more than 9.575 million Swiss francs must be put out be put out to public tender. New construction projects of the public sector must therefore usually be be put out to public tender. In accordance with the principle of non-discrimination no requirement may be made with regard to the origin of the material. It is therefore not permissible to demand Swiss wood. Nevertheless public buildings can be built with Swiss wood. You can learn tips and tricks the example of the Aeschi school building .

Schoolhouse Aeschi

Further information on BöB can be found at the Federal Procurement Conference BKB.


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