Sustainable Timber School Construction

INTERVIEW

Did this pilot project involve more planning than comparable projects? Florian Nagler: Much more. Wooden construction generally demands more com- plicated detailed planning than a plastered solid building, for example. But this wasn’t the issue as we had both already gained experience with wooden construction from earlier projects. The issue was that we were breaking new ground with this school in many respects. Hermann Kaufmann: The open-plan learning environments and visible wooden structures in a public building of this size demanded a particularly convoluted approach for in- tegrating the building systems in the context of fire safety. The ambitious energy-plus concept also resulted in a far greater need for planning and consultation. Could you then say that the project was at all “worthwhile” for your firms? Hermann Kaufmann: Well, let’s put it this way: we are extremely pleased with the recognition and with the many awards that have come our way through the project.

We know each other as professors at TU Munich and share a similar mindset in many architectural issues. Was the design a joint development? Florian Nagler: Yes and no. Initially we each produced a rough concept of our own, and then we joined forces. The solution that has now been used emerged gradually from the subsequent discussions. What was the difference between your first concepts? Hermann Kaufmann: I put all the rooms together in one single compact building, while Florian Nagler shared them out bet- ween individual buildings that blended in harmoniously with the landscape. This was then the approach that we took. Florian Nagler: Originally we wanted to have six smaller buildings but the initial cost estimated showed this to be too expensive because of the large enveloping surface. We then changed the concept to four com- pact buildings with an extra storey each. Did you work together on all the planning, or did you share the tasks out? Florian Nagler: My team is better acquaint- ed with German building law, so we pro- duced the plans for the building application and dealt with construction phases 1 to 4. Hermann Kaufmann was responsible for detailed planning for phase 5, then my firm took on the tendering and construction super- vision phases 6 to 9 because Munich is closer to Diedorf. Hermann Kaufmann took care of the costs throughout the planning process and wrote the research report that was published about the school building.

Hermann Kaufmann + Partner ZT GmbH www.hkarchitekten.at

Florian Nagler Architekten GmbH www.nagler-architekten.de

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