Page 93 - Glass-Technology International no. 4/2018

goals for the new corporate automation system. Thus
headquarters in Munich. energy consumption is re-
duced by some 25 per cent
SUSTAINABILITY IN solely with the aid of day-
LARGE NUMBERS light sensors and presence
The three essential de- detectors. The photovol-
mands placed upon the taic system covering a total
building were that it should area of 1,300 square metres
be open, innovative and provides almost one-third Copyright © Siemens AG, 2016
save resources. The ma- of the required energy.
jor challenge faced by the Rainwater is also collected the three-year construction nich ultimately achieved
architects was to erect the on the roof. On average, period. an excellent heat transfer
2
new Siemens headquarters 1.5 million litres per year The Viennese glass process- coefficient of 0.9 W/m K.
at the old site around two are used for toilet flushing, ing company Petschenig There were a number of
existing buildings on the outdoor irrigation and air glastec supplied the entire reasons behind Petschenig
Wittelsbacher Platz, one of conditioning of buildings. 8,000 square metres of glastec’s decision to
which was the listed Lud- The latter statistic probably glazing, 7,000 square me- chose the Edgetech Super
®
wig-Ferdinand-Palais built reveals the most impres- tres of which were flat and Spacer Warm Edge Sys-
by Leo von Klenze in clas- sive figures. Every hour, curved UNIGLAS SUN tem for its triple glazing
sical style in 1825. 100,000 litres of water flow solar control insulating units. “On the one hand,
The ensemble of light- through 70 kilometres of glass elements. Obviously, we were able to guaran-
flooded buildings designed pipelines and, depending despite all the transparency tee the required energetic
by Henning Larsen Ar- on the time of year, provide involved, safety was not ne- performance without any
chitects with its five green heated or cooled rooms, glected, so another 1,000 problems for all windows
courtyards has pulled off while the energy is supplied square metres consisted of and façade elements.
the difficult balancing act by geothermal probes. bullet-proof and tap-proof On the other hand, the
of combining tradition and glass units, among other production on our Super
®
modernity – in terms of PERFORMANCE things. Spacer line has signifi-
urban planning, but also MIX COMPRISING By way of a final result, the cantly optimised the project
architecturally. The atrium 140 DIFFERENT entire glass façade appears logistically and in terms of
was consciously designed GLASS UNITS extraordinarily homoge- meeting the deadlines,” ex-
as a meeting place with a Glazing also makes a con- nous across all parts of the plains Managing Director
café and restaurant. siderable contribution to- building. On closer exami- Hanspeter Petschenig.
The Siemens Passage, wards the sustainable en- nation, it is a showpiece The sorting, bending, des-
which is largely accessible ergy balance of the new of state-of-the-art glazing iccant filling and offline
to the public, connects the Siemens headquarters. For technology: 103 differ- butyl extrusion as needed
old part of the city with the instance, all the façades ent glass structures were with rigid spacers bars is
Kunstareal (art district) in facing the inner courtyards produced by Petschenig no longer required thus
Maxvorstadt. consist of solar selective glastec to meet the high also eliminating many pos-
According to Siemens, the thermal insulating triple thermal insulation, solar sible sources of error. The
®
new head office consumes glass and are inclined by protection, fire protection flexible Super Spacer
90 per cent less electric- five per cent so even more and security requirements. spacers are fed to the ap-
ity and approximately 75 natural daylight can flood The constructional para- plicator in various widths
per cent less water than the offices and courtyards meters of each individual as programmed from the
a regular building. More than in vertical orientation pane structure were calcu- reels. Although the produc-
than 7,400 energy-efficient of the glasses. The respon- lated, which were subse- tion and provision of the
LED lamps have been sible façade specialist Stra- quently fed into the simu- different insulating glass
installed and more than bag Metallica installed a to- lation for the entire curtain units in the correct posi-
30,000 data points are tal of 16,000 square metres wall at Strabag Metallica. tional sequence remains
connected to the building’s of element façades during The glass façade in Mu- a logistical challenge for

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