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The Swiss Open-Air Museum is – finally – getting a schoolhouseConstruction diary schoolhouse Unterheid

The schoolhouse in Unterheid, near Meiringen (BE), is currently being dismantled stone by stone so that it can be rebuilt at the Swiss Open-Air Museum. We’re keeping a construction diary, packed with all the latest about the relocation work, construction progress, the history of the building, background information and other interesting facts about this special project.    

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Historisches Schulhaus auf Reisen: Der Startschuss für die Translozierung des historischen Schulhauses aus Unterheid ist gefallen.

Construction diary entry no. 3, July 2024Step by step: the schoolhouse is dismantled

Work on dismantling the schoolhouse in Unterheid is proceeding at pace. Over the last few weeks, both the top floor and the second floor have been removed. Some interesting discoveries were made along the way: a drawing on a piece of wood and indications that the windows had been replaced at some stage and the jetty expanded in later years. This demonstrates that even in 1830, those working on the structure were professionals who understood their craft. Thanks to the digital twin, you can now embark on your own digital tour of the schoolhouse.

Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

The dismantling operation is in full swing

The original schoolhouse had a slate roof, which is to be reconstructed at the new location in the Swiss Open-Air Museum. The tiles that had lain on the roof for the last few decades were therefore removed. Once the components had been carefully numbered, the wood supporting structure for the roof was brought into the workshop, as was the historic panel in the schoolroom and in the teacher’s house. Next on the to-do list were the brick walls. Again, parts are being numbered, but not every single brick – given that there are tens of thousands, that would be far too many. Of the masonry, only the prominent, particularly large bricks that are important for the structure of the wall are being measured precisely and recorded on a plan, i.e. mapped. This task is being handled by the archaeological department of the canton of Bern, which is supporting the dismantling project. The individual bricks are cleaned of mortar and plaster and then stored separately by wall and storey so that they can be relaid in the correct places later.

Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

Digital twin of the schoolhouse in Unterheid

As well as marking the individual components precisely and mapping them carefully on the plans, a digital twin was created for the reconstruction. This digital twin is a precise virtual representation of the schoolhouse based on photos, and was completed prior to dismantling. The technology enables us to look inside the premises at any time later on and study details that are important for the reconstruction. Why not explore the interior of the building for yourself?

To the digital twin
Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

Discoveries during the dismantling process

While the masonry was being dismantled, a piece of wood with a drawing symbolising a type of chalice was discovered. What this drawing is all about, and when it was made, is as yet unclear. Would you perhaps have an idea? If so, share it with us at: marketing@ballenberg.ch.

Ms Leta Büchi, a qualified excavator at the archaeological department of the canton of Bern, is on site every day. In addition to numbering the individual components, she examines what structural changes the schoolhouse has undergone down through the years. Holes in the brickwork above the entrance and beams of different lengths suggest that the jetty originally extended over the entrance only and was not lengthened until later. Furthermore, recesses in the windows indicate that they were replaced over the course of time.

Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

Outlook

By the middle of August, there will be nothing more to see of the old schoolhouse in Unterheid. Work will then begin on its reconstruction at the Swiss Open-Air Museum. We will report on the burning and slaking of lime in our next blog post. The lime will be used to make a special mortar for the reconstruction of the schoolhouse at Ballenberg.

Save the date: the next week when lime will be burned at the Open-Air Museum will be 25 to 29 September. Why not come along and see how a historic building material is made?

To read the latest entry in our construction diary, subscribe to our newsletter or follow us on Facebook or Instagram.

Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

Construction diary schoolhouse Unterheid

The relocation is supported by the Ghelma AG Baubetriebe in Meiringen. Thank you very much!

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

    Prominent bricks are measured and recorded on the plan.

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

    The bricks are numbered according to the plan.

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

    Bricks are stored separately by wall and storey.

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

    Bricks are stored separately by wall and storey.

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

    A piece of wood with a drawing was discovered while dismantling.

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

    Beams of different lengths suggest that the jetty originally extended over the entrance only and was not lengthened until later.

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

    Leta Büchi, a qualified excavator, and Patrick Bürgin, project manager for the translocation of the schoolhouse, inspect the structural changes to the jetty.

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung

    Negative recesses in the windows indicate that they were replaced over the course of time.

  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung historischer Häuser.
  • Historisches Schulhaus auf Reisen: Der Startschuss für die Translozierung des historischen Schulhauses aus Unterheid ist gefallen.
  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung historischer Häuser.
  • Mit dem Schulhaus aus Unterheid aus dem Jahr 1830 erweitert das Freilichtmuseum Ballenberg seine Sammlung historischer Häuser.
  • Das neue Zuhause, das Fundament vom Schulhaus aus Unterheid steht.

Ballenberg
Swiss Open-Air Museum

Museumsstrasse 100
CH-3858 Hofstetten bei Brienz

+41 33 952 10 30
info@ballenberg.ch

Opening hours

11 April to 27 October 2024
10 am to 5 pm daily

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