L68A1 Mast Section What are the main specifications and standards of tower crane issued by the state?
What are the documents about the specifications and standards of tower crane issued by the state? Since 2000, the state has issued a series of documents on tower crane specifications and standards, which are summarized as follows
L68A1 Mast Section：
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In 2006, the General Administration of quality supervision, inspection and Quarantine of the people's Republic of China and the National Standardization Commission promulgated the safety regulations for tower cranes (GB 5144-2006), which stipulates the safety technical requirements for tower cranes in terms of design, manufacture, installation, use, maintenance and inspection.
In 2006, the General Administration of quality supervision, inspection and Quarantine of the people's Republic of China and the Standardization Committee of the people's Republic of China issued the requirements for the stability of tower cranes (GB / T 20304-2006), which stipulates the conditions to be observed for the anti overturning stability of tower cranes by calculation.
L68A1 Mast Section：
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In 2008, national quality supervision, inspection and quarantine Yaohe and National Standardization Committee issued tower crane (GB / T 5031-2008), which stipulates the terms, classification and signs, technical requirements, test methods, inspection rules, information signs, packaging, transportation and storage, installation, climbing and use inspection of tower crane.
In 2009, the Ministry of housing and urban rural development issued the construction industry standard technical code for concrete foundation engineering of tower crane (JGJ / T 187-2009), which specifies the basic requirements for design and construction of concrete foundation engineering of tower crane.
L68A1 Mast Section：
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In 2009, the Ministry of housing and urban rural development issued the construction industry standard technical code for safety assessment of construction cranes (JGJ / T 189-2009), which specifies the contents and methods of safety assessment for tower cranes and construction lifts.
In 2010, the Ministry of housing and urban rural development issued the safety technical code for installation, use and disassembly of tower crane in construction (JGJ 196-2010), which specifies the basic technical requirements for installation, use and disassembly of tower crane.
L68A1 Mast Section：
http://www.towercranesupply.com/product/l68a1-mast-section-for-tower-crane-masts
