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If the building height class is BYS> = 6, one of the A23 or A24 structural systems can be selected by adding a sufficient amount of curtain / curtain group to the project, provided that the overturning moment ratio of 75% is provided in both directions . (TBDY Article 4.3.4.6)
If the building height class is BYS <6, solution with one-way threaded (ribbed) flooring system is not allowed. (Table 4.1). Flooring system should be designed as Girder / Cassette Floor systems.
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