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The extension of Züblin's central office meets high structural and energy efficiency standards. The construction group was awarded the certificate in Gold by the German Sustainable Building Council (DGNB) for the extension. The BINE Projektinfo 6/2017 "Servers heat office buildings" presents the energy concept along with monitoring results for the new five-storey building.
Lighting plays crucial role in the energy balance
The office building has low heat requirements, which are almost entirely covered by waste heat from the data centre. When this supply does not suffice, a combined heat and power plant in the neighbouring building provides the required thermal energy. With an average U-value of 0.4 W/m2K, the building envelope of the reinforced concrete structure reaches the level of a passive house. The exterior walls consist of prefabricated timber frame elements, which were transported to the construction site with pre-installed windows, solar shading and a sheet metal covering, and were installed there.
Lighting often plays an important role in the energy balance of highly insulated office buildings. This also applies to the Züblin building: the lighting sometimes consumed three times as much as assumed. Floor lamps at the workplaces were largely responsible for this. As soon as an office is occupied, it causes a base load of about 30 W. The final energy consumption for heating and cooling was slightly lower than previously calculated. Online surveys showed that the users were very satisfied with the thermal comfort and light conditions regardless of the season.
You found all informations about the BINE Projectinfo brochure entitled "Servers heat office buildings" here:
http://www.bine.info/en/press/press-releases/press/pressemitteilung/rechenzentru...
Uwe Milles/Birgit Schneider
presse(at)bine.info
About BINE Information Service
Energy research for practical applications
The BINE Information Service reports on energy research topics, such as new materials, systems and components, as well as innovative concepts and methods. The knowledge gained is incorporated into the implementation of new technologies in practice, because first-rate information provides a basis for pioneering decisions, whether in the planning of energy-optimised buildings, increasing the efficiency of industrial processes, or integrating renewable energy sources into existing systems.
About FIZ Karlsruhe
FIZ Karlsruhe – Leibniz Institute for Information Infrastructure is a not-for-profit organization with the public mission to make sci-tech information from all over the world publicly available and to provide related services in order to support the national and international transfer of knowledge and the promotion of innovation.
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FIZ Karlsruhe is a member of the Leibniz Association (WGL) which consists of 87 German research and infrastructure institutions.
http://www.bine.info/en - BINE Informationsdienst
The BINE Projektinfo "Servers heat office buildings"
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