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6. Tower crane stabilization
INRS has published a brochure and a calculation tool for determining the "out-of-service wind" on a construction site, i.e. the maximum wind for which the crane is designed to remain stable when not in use.
Tower cranes are used to handle loads on construction sites. When the wind speed exceeds 72 km/h, the crane must be taken out of service. The crane must also be stabilized according to a maximum out-of-service wind speed defined by the user, depending on the geographical location of the site (windy or not) and its layout (presence of nearby buildings that can generate site effects).
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Tower crane stabilization
Tower crane risks
Bibliography
- Guide technique du 18 novembre 2014 relatif aux opérations de modification des machines en service, - https://travail-emploi.gouv.fr/publications/picts/bo/20141130/TRE_20140011_0110 _0001.pdf (2014)....
Standards and norms
- Overhead load hoists – Security – Tower cranes - NF EN 14439+A2 - Juillet 2009
- Overhead load hoists – Steel cables – Care and maintenance, inspection and removal - NF ISO 4309 - Janvier 2018
- Machine safety – Safety-related parts of control systems – Part 1: General design principles [cancelled 1er September 2012] - NF EN 954-1 - Février 1997
- Machine safety – Safety-related parts of control systems...
Regulations
Directive 2006/42/EC of the European Parliament and of the Council of May 17, 2006 on machinery, amending Directive 95//EC (Machinery Directive).
Directive of the European Parliament and of the Council No. 98/37/EEC of June 22, 1998 on the approximation of the laws of the Member States relating to machinery (replaced by Directive 2006/42/SC of December 29, 2009).
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Directory
OPPBTP (Professional organization for building and public works)
FFB (French Building Federation)
FNTP (National Federation of Public Works)
Software
Calculation tool for determining the out-of-service wind applied to a crane (INRS)
https://www.inrs.fr/dms/inrs/CatalogueOutil/TI-outil54/outil-calcul-vent-outil54.zip
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