Construction hoist 1 No installation and dismantling plan, no inspection procedures 2 No shift handover record, no regular inspection, repair and maintenance record 3 The falling safety device exceeds the valid calibration period by 4 There is no ground protective fence or it does not meet the specification requirements The entrance and exit protection shed is not set or does not meet the specification requirements The landing platform does not meet the requirements, and the landing door is not finalized The wall frame adopts non matching standard product 8 The connection mode and angle between the wall frame and the building structure do not meet the requirements of the manual (PS: click the picture to enlarge the view)
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1
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There is no special construction scheme for the installation and disassembly or the audit and approval procedures are not perfect
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2
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The acceptance procedure should be performed after the installation, and the acceptance form should be signed by the person in charge for confirmation
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3
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Multi shift operation is implemented, and the shift handover record is not filled in as required Before operation, routine inspection shall be carried out according to regulations, and inspection records shall be filled in
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5
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Tower crane foundation is not designed, tested and accepted according to instructions and relevant regulations
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6
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Foundation is not provided with drainage measures
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7
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Hook has no safety device
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8
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Hook wear and deformation meet scrap standard
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9
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Specification, fixation and winding of wire rope do not meet instructions and specifications
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10 The wire rope buckle does not meet the requirements of the specification 11
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The multi tower operation does not meet the requirements of the specification 12
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The height of the tower crane exceeds the requirements and the attachment device is not installed 13
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When the horizontal distance of the attachment device does not meet the requirements of the specification, the design calculation and approval are not carried out 14
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The connection between the attachment device and the building does not meet the requirements of the specification 15
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The verticality of the tower body before and after attachment does not meet the requirements of the specification 16 17
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The deformation and corrosion of main structural parts do not meet the specification requirements 18
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The safe distance between tower crane and overhead line does not meet the specification requirements, and no protective measures are taken 19 Command without license (PS: click on the picture to enlarge) launch the latest version of construction tower crane safety hazard map analysis in November 2020 China building materials industry press price: 99 yuan Discount price: 90 yuan date of publication: November 1, 2020 working environment and appearance 1 2, foundation 8 3, metal structure and protection 10 4, lifting system 68 5, luffing system 100 6, slewing system 109 7, jacking system 113 8, cab 117 9, electrical system 126 10, safety device 136 11, others 162 12 Technical data 168 Appendix A inspection equipment 169 Appendix B tower crane inspection items and technical requirements 170 Appendix C reference standard 178 with the rapid development of China’s infrastructure construction, construction tower crane (hereinafter referred to as tower crane) as an indispensable vertical transportation lifting equipment in construction, plays an irreplaceable role
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In recent years, the number of tower cranes in use on the construction site is increasing rapidly, and the installation, maintenance, use and management personnel are also increasing
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In order to facilitate the use, property rights, maintenance and testing personnel of relevant units to more intuitively manage and use the tower crane at the construction site, investigate the potential safety hazards of the tower crane at the construction site, and reduce the accident rate, we use the current standards such as GB 5031 tower crane, GB 5144 safety regulations for tower cranes, and jgj305 inspection standard for lifting equipment and facilities in construction, Combined with the actual photos of hidden dangers of tower crane inspected by inspectors on the construction site all the year round, this book “analysis of hidden dangers of tower crane in construction” is compiled
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The content of this book covers the working environment and appearance, foundation, metal structure and protection, lifting system, luffing system, slewing system, jacking system, electrical system, safety device, etc
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it intuitively explains the common safety hazards of tower crane and analyzes them in the way of pictures and texts
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The book comprehensively reflects the potential safety hazards of tower crane in the construction site, which is conducive to improving the safety awareness of relevant personnel and reducing and preventing the occurrence of tower crane safety accidents
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As this book is written in a hurry, it is inevitable that there are some shortcomings
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Please give us your criticism and correction
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If you need to know more about this book or purchase this book, please press the QR code to solemnly declare that all the books sold in this bookstore are genuine books authorized to be sold by all publishing houses, and all publishing houses shall provide invoices
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Remember: leave your invoice information and e-mail when ordering, and the publishing society will send the e-invoice to your e-mail
.
Analysis of the latest version of 2020 construction elevator safety hazard diagram China building materials industry press price: 65 yuan Discount price: 62 yuan publication date: April 2020 construction elevator is an important vertical transportation lifting equipment in the construction of medium and high-rise buildings
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It is usually used in the middle and later stages of construction, and undertakes the transportation of construction personnel and materials
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It plays a vital role in reducing labor intensity and improving construction efficiency
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In recent years, due to the relevant units do not pay attention to the idea, or do not understand the working principle of construction elevator, safety points and its important role in the construction, resulting in safety accidents from time to time
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Especially for the man cargo dual-purpose construction elevator, the accident often accompanied by greater casualties, which caused great damage to the personal safety of construction personnel and produced serious negative social impact
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In order to facilitate the property right unit, installation and removal unit, user unit, maintenance unit, testing unit and other relevant personnel to more intuitively understand, manage and use the construction site construction elevator, investigate the safety hazards of construction elevator, and eliminate the accidents, we according to GB / t26557, gb10055, jgj305 and other relevant national and industrial standards, Combined with the actual photos taken by the inspectors in the construction site to inspect the hidden dangers of the construction elevator, this book is compiled
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The content of this book covers signs, foundations and fences, hanging cages, structures and connections, transmission systems, control and limit devices, etc, Reduce and prevent the construction elevator accidents
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This book can be used as a training material for construction elevator related personnel, and also as a reference manual for safety supervision and management personnel
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If you need more information about this book, or if you want to buy this book, please press the QR code for a long time to solemnly declare that all the books sold in this bookstore are genuine books authorized to be sold by each publishing house, and each publishing house will provide the invoice
.
Remember: leave your billing information and e-mail when you order, and the publishing society will send the e-invoice to your e-mail
.
[contribution and business negotiation] wechat: wumin196821 Tel: 13666263987 statement: This article is from Zhulong forum, only for peer learning reference, the copyright belongs to the original author, if there is any infringement, please inform to delete
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If you need more knowledge about tunnel, road and bridge, please pay attention to WeChat official account of “safety in construction of track Luqiao”.
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