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Preventing catastrophic failure of luffing jib tower cranes in high winds

Da: http://www.hse.gov.uk/

Regole per evitare il collasso delle gru a torre quando c’è forte vento!

Following the recent collapse of three luffing jib tower cranes in high winds, HSE is making this information available to tower crane users as supplementary guidance to that contained in BS7121 Part 5:2006, Code of practice for safe use of cranes -Tower cranes. This information is issued without prejudice to any ongoing investigations.

HSE is using this alert to remind those who operate tower cranes that when left unattended in the out-of service condition, luffing jib cranes must be in free slew with the jib at a safe out-of- service radius.

continua qui

(grazie Roby)

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