News – What`s happening in energy research

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Computer rendering of the new PIK building with the timber facade
© BHBVT Architekten
Energy efficient research building in Potsdam science park

View of the construction site with a time capsule (on the crane) during the official laying of the foundation stone
© Lothar Lindenhan, Projektleiter Neubau

Cloverleaf was inspiration for new building

A new office building for around 190 members of staff at the Potsdam Institute for Climate Impact Research (PIK) is scheduled for completion on Potsdam’s Telegrafenberg hill in summer 2014. Alongside the historic main buildings from the 19th century, an energy optimised new building is being constructed in the form of a cloverleaf. With this building, the PIK wants to set a benchmark for energy efficient construction. With the official laying of the foundation stone for the new building at the end of June, the research institute simultaneously celebrated its 20th anniversary.

The necessary urban and regional development framework conditions were already established before the start of construction. As the first milestone, a building and system model for the energy-based simulation was produced at the end of 2011. Until the building is completed in the middle of 2015, load analyses will be carried out for the various development stages in conjunction with equipment concepts. An investigation of the different possible alternatives for transferring and storing waste heat should also help achieve the efficiency goals. The PIK is working together with Dresden University of Technology on the holistic, energy-based assessment and optimisation of the new building. In addition, it is developing a combined energy solution for the user community across the entire site on the Telegrafenberg hill in Potsdam.

Although the building has a gross floor area of around 6,600 m², the modern timber facade and floor plan reminiscent of a cloverleaf are designed to make the building seem less bulky and enable it to almost vanish behind the many trees on the Telegrafenberg hill. The ensemble of historic buildings therefore maintains its integrity. It is planned, for example, to utilise the considerable waste heat produced by the large mainframe computer used for climate simulations. It is also planned to use an innovative ventilation system: the air inlet and extraction will be provided via the hollow floor structure, with needs-oriented ventilation using presence detectors, CO2 sensors and volume flow controllers.

Various methods are being used to insulate the external walls (vacuum insulation and glazing, climate-regulating internal insulation system), whose different efficiencies over the years will be monitored by TU Dresden. The aim of the collaboration is to achieve an innovative building and system solution that undercuts the requirements made by EnEV 2009 by 50 per cent.

The German Federal Ministry of Economics and Technology, the German Federal Ministry of Education and Research and the Federal State of Brandenburg have contributed a total of 17 million euros to the cost of the technically innovative new-build scheme. The energy-based optimisation of the new building and the version analysis for the campus energy concept is being funded by the German Federal Ministry of Economics and Technology as part of its EnEff:Stadt research initiative.



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