Special Projects

Goûter mountain shelter

Mont Blanc, France

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The highest French mountain shelter is located at an altitude of 3,835 metres and can accommodate 120 people.
Design: The mountain shelter offers a restaurant and overnight accommodation and is open 98 days a year. The elliptical structure has been designed to cope with the technical and aesthetic challenges of an exposed site with wind speeds of up to 300 km/h.

Wood: The four-storey structure, made of local timber, consists of timber panels attached to a timber frame, which in turn is attached to 69 piles. The façade is made of alloy steel. The use of timber as a stable and lightweight building material has made it possible to cope with high wind and snow loads while reducing the cost of helicopter transport.

Energy: The shelter is fully self-sufficient and makes the best use of available resources. Solar panels provide heat energy for melting snow and heating water. Photovoltaic modules generate electricity. The combined heat and power plant, which runs on rapeseed oil, serves only as an emergency system for heating and electricity. Due to the highly efficient ventilation system, as a rule, only the heat radiation from the users is sufficient for heating. Wastewater treatment is similar to that of submarines, allowing the water to be reused in toilets and, ultimately, the treated water to run off into the surrounding area.

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Basic information
Year of Completion |  2012
Investor |  French Federation of Alpine and Mountain Associations (FFCAM)
Architecture |  Projec management: Charpente Concept SAS, Saint-Pierre-en-Faucigny (FR); GROUPE H - Architecture & Ingénierie SA, Meyrin/Ženeva (CH); DécaLaage Architecture, Chamonix-Mont-Blanc (FR)
Structural Engineering |  Statics and wood: Charpente Concept France SAS, Saint-Pierre-en-Faucigny (FR); foundation: Betech Sàrl - ZAE des Bègues, Fillinges (FR)
Construction Time |  24 months
Number of floors |  4
Plot size |  2 000 m²
Gross floor area |  720 m²
Construction Costs (netto) |  6 500 EUR/m²
Awards |  Green Building Solutions Awards 2015 (FR), Archi Design Club 2014 (Special Jury Award) (FR), German Design Award 2014 (Special Jury Award) (DE), Eurasian Price Gold Award 2013 (RUS), and others.

Technical aspects
Concept |  720 m² of hollow timber panels on a timber frame, synthetic resin bonding of the panels
Woodworking |  Dasta Charpentes Bois SA, Plan-les-Ouates (CH); Labat & Sierra, Sillingy (FR)
Origin of Timber, Certification |  PEFC-certified wood from the Saint-Gervais-les-Bains area (FR)
Traceability of Timber |  Yes
Forestry Value Chain |  The wood was harvested and processed by local companies
Energy Systems |  Renewable energy (solar, photovoltaics, biomass)
Energy Consumption  |  4 kWh/m²a (heat required for heating)
U-Value Wall | Roof | Floor | Windows (W/(m²K)) |  0,142 | 0,139 | 0,188 | 0,9

Regional Wood Energy Efficiency 100% Wood

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