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8. Cascade drainage
In this case, the water is channelled through the crossbeam to the upright. However, every 20 m, water must be discharged from the upright to the outside.
In France, the DTU prohibits the communication of the 2 chambers (upper and lower glazing) in the crosspieces. In Germany and other countries, there is no such restriction.
Figure 12 shows an example of water being discharged from the uprights to the outside every 20 m.
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Cascade drainage
Miscellaneous
Standards and norms
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Curtain wall design documents
- Curtain walls – Product standard. - NF EN 13830 -
- Terminologie. - NF EN 13119 -
- Curtain walls, semi-curtain walls, panel façades – CLA – CGM – CCS – 1- Technical specifications – 2- General material selection criteria – 3- Special clauses – 4- Maintenance appendix - DTU 33.1 P 28-002 indice 1 à 3 -
- Tolérances dimensionnelles...
Regulations
Article 111.15 of the French Construction and Housing Code.
Article 5 Circulaire du 13/12/1982 relative à la sécurité des personnes en cas de travaux de réhabilitation ou d'amélioration des bâtiments d'habitation existants.
DRT circular no. 95-07 of 14/4/1995 on workplaces. This text specifies, among other things, the need to use safety glass in doors, adjacent parts, lower...
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