Siemens Real Estate
New Office Building
GreenBuilding and Geothermics
Siemens is seeking the GreenBuilding Certificate for the building. This means that the primary energy needs of the building must be at least 25% below the values of the Energy Saving Ordinance 2007. All rational alternatives were examined (e.g. geothermal, heat storage, solar-thermal, use of utility water and daylight) and rated in terms of their economic viability. The building was equipped with five suction and four recharging image wells for use of groundwater for heating and cooling. In addition, 30 geothermal sensors were installed. The entire system runs via a plate heat exchanger and a heat pump.
In addition to earlier work (2001) for Siemens in Mülheim an der Ruhr, aib was engaged for the planning of a medium-load hall and further expansion of the office capacities for around 1,000 employees.
aib’s urban planning concept provides for the medium-load hall to take up the alignment of the existing heavy-load hall and to be arranged axial-symmetrically to the closing axis. The office building is aligned to the medium-load hall and forms a forecourt to receive visitors.
Client: Siemens Real Estate
Location: Mülheim an der Ruhr
Gross Floor Area (GFA): 20,000 m²
Costs (estimated): 23 million EUR
Team aib: Kai-Uwe Lompa, Nicole Domogalla, Michael Blank, Eveline Clemens-Wigger, Heinz-Günter Lang, Karsten Schulte
aib Services: General Planning, HOAI 1-9
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