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Pour l’appui de la façade, Sipral a donc choisi une charpente primaire en acier, soudée de tubes rectangulaires de dimensions 180 x 60 x 5 mm. Sur la charpente, a été posé le système d’aluminium vitré avec interruption des ponts thermiques, Schüco FW50+ Aufsatzkonstruktion (aujourd’hui AOC 50), avec la largeur exposée des profilés de 50 mm.
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The hall height including a parapet is 11,15 m, out of which 8 m is a free space without intermediate supports. The eastern facade envelope with most of its area glazed belongs between the most interesting works and was a big challenge mainly when structural reasons are considered. Sipral chose steel welded structures made of steel oblong tubes of 180 x 60 x 5 mm to form the basic bearing grid of the facade. On this structure there was an all-glazed glazing system with thermal breaks, Schüco FW50+ Aufsatzkonstruktion (now labelled as AOC 50), with face width of 50 mm. Width of modules between mullions is 1500 mm, height zoning of the facade is the following one: a non-transparent part of a plinth is 0,25 m, a glazed part is 1,85 m + 1,5 m, a non-transparent part is 0,5 m, and a transparent part is 1,5 + 2,2 m. The non-transparent part at the parapet is 3,35 m high.
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