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Metal Matters

                                                                                   Issue 10: Summer 2014

          Faberge egg is the inspiration

          for Russian ice dome

          Over 22,000 square metres of tapered Kalzip aluminium   coloured aluminium composite panels studded with LEDs
          standing seam sheets were used to create the         to produce a ‘glowing’ envelope that reflects both the
          weatherproof building envelope of the spectacular    environment and the continual changes of daylight.
          12,000-seater Bolshoy Ice Dome that was used for the   Bolshoy Ice Dome’s complex three-dimensional roof
          2014 Winter Olympic Games at Sochi in Russia. Designed   structure consists of multiple layers; firstly a sub-
          and built by SIC Mostovik, this giant domed structure has   construction of perforated steel trapezoidal decking sheets
          a maximum span of 193 metres, a height of 40 metres and   mounted on steel girders. This was topped with a Kalzip
          a total surface area of nearly 32,000 square metres.
                                                               VCL, two layers of Kalzip compressible mineral wool
          Located on the Imeretinskaya Plain which nestles     insulation and a tubular substructure of Kalzip Flexicon RR
          between the Caucasus Mountains and the shores of     80 onto which the Kalzip roofing sheets were affixed.
          the Black Sea, the Sochi Olympic Park comprises a
          coastal cluster of 11 new purpose-built venues specially   Kalzip senior engineer, Robert Thiebes explains, “This
          constructed for the 2014 Winter Games. Created to host   flexible tubular substructure is particularly suitable for
          the ice hockey events, the Bolshoy Ice Dome is widely   accommodating tolerances and minor variations in
          considered to be the most impressive and complex of   the height of the supporting steel structure to ensure
          these venues. After the Games, the arena now serves as   the required level of the Kalzip outer skin. With such a
          an ultra-modern, world-class, multi-purpose sports and   sophisticated building geometry as this structure, it’s
          entertainment centre.                                most important that the Kalzip system is mounted in the
                                                               appropriate plane to achieve the dome’s complex shape.”
          Inspired by the Russian’s iconic Fabergé egg, the
          innovatively designed external envelope of the Bolshoy Ice   To ensure the complete integrity of the Kalzip roof, a
          Dome can change its colour like a chameleon. Although   great deal of intricate welding work was necessary at
          the Fabergé egg was the main creative criterion, the design   the sheet joints, particularly around the ridge area. A
          concept of the dome also emulates a frozen water droplet,   series of aluminium top hat section supports mounted
          according to Alexander Knyazev from the Russian architect   on angle brackets were then attached to Kalzip FA seam
          SIC Mostovik. He explains, “We decided on a clear    clips fastened to the standing seam without penetrating
          elliptical basic form with a dome-shaped superstructure.   the Kalzip. The aluminium composite panels with their
          The exterior design was to allow different plays of colour   integrated LED technology were then affixed to the
          with the use of LED technology. Depending on needs, both   network of T-section supports to complete the impressive
          Fabergé-like and arbitrary patterns can be generated. Of   rainscreen overcladding.
          course, single-colour or white lights can also be projected,   Employing this type of construction technique means that
          so that the building then appears very puristic and clean.”  an infinite variety of creative design options are available
                                                               to architects by using the Kalzip standing seam system to
          This ever-fascinating dome gains its spectacular     insulate and weatherproof the building envelope and carry
          appearance from the shape which is formed by the Kalzip       virtually any type of rainscreen overcladding as
          aluminium roof which is                                                    an aesthetic façade.
          overclad with
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