Construction supervision micro signal: jsjl64271048 “click on the picture to learn more about the product details” source: Notice of the Ministry of housing and urban rural development on printing and distributing the construction safety points of lifting machinery, foundation pit engineering and other five high-risk sub projects, Department of housing and urban rural development of all provinces and autonomous regions, construction commission of municipalities directly under the central government, Construction Bureau of Xinjiang production and Construction Corps: to strengthen housing construction and municipal infrastructure In infrastructure engineering, the safety management of lifting machinery, foundation pit engineering and other divisional and subdivisional works with high risk can effectively curb the occurrence of mass casualties in construction
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According to relevant rules and regulations and standards, our company has organized and formulated five divisional and subdivisional works with high risk, including installation and disassembly of lifting machinery, use of lifting machinery, foundation pit engineering, scaffold and formwork support Key points of construction safety (see Annex)
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It is hereby printed and distributed to you
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Please supervise and urge the construction enterprises to make signboards and hang them in prominent positions on the construction site in combination with this year’s “safety production month” activity deployment and actual work, and strictly implement them
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Attachment: 1
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Safety points for installation and disassembly of lifting machinery 2
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Safety points for use of lifting machinery 3
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Safety points for foundation pit construction 4
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Safety points for scaffold construction 5
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Safety points for formwork support construction office of work safety management committee of Ministry of housing and urban rural development of the people’s Republic of China May 31, 2017 (this initiative to open) Annex 1 safety points for installation and disassembly of lifting machinery I
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special construction scheme for installation and disassembly of lifting machinery must be prepared and reviewed according to regulations, and experts shall be organized to demonstrate if it exceeds a certain scale
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2、 The installation and disassembly unit of lifting machinery must have corresponding qualification and safety production license, and it is strictly forbidden to engage in the installation and disassembly of lifting machinery without qualification and beyond the scope
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3、 Lifting machinery installation and disassembly personnel, lifting machinery driver, signal engineer must obtain the operation qualification certificate of special operation personnel in construction
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4、 Before the installation and disassembly of lifting machinery, the installation and disassembly unit shall go through the installation and disassembly notification procedures as required
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V
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before the installation and disassembly of lifting machinery, the safety technical disclosure shall be made to the on-site management personnel and operators
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6、 The installation and disassembly of lifting machinery shall be organized and implemented in strict accordance with the special construction scheme
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The relevant management personnel must supervise the construction on site
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If it is found that the construction is not in accordance with the special construction scheme, it shall require immediate rectification
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7、 The lifting and attachment operation of lifting machinery must be carried out by the installation unit with corresponding qualification in strict accordance with the special construction scheme
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8、 In case of strong wind, fog, heavy rain, snow and other bad weather, it is strictly forbidden to install, dismantle and jack up the lifting machinery
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9、 Before the tower crane is lifted, the lower slewing support shall be reliably connected with the lifting jacket, and the balancing shall be carried out
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In the process of jacking, balance shall be ensured, and lifting, slewing, luffing and other operations shall not be carried out
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After lifting, the standard section shall be reliably connected with the lower slewing support
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10、 If it is necessary to attach the lifting machinery after adding the section, it shall be carried out in the order of installing the attachment device first and then lifting the section
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The attachment device must meet the requirements of standard specifications
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When dismantling, the joint should be lowered first, and then the attachment device should be removed
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11、 The hoisting performance of auxiliary hoisting machinery must meet the hoisting requirements, the safety devices must be complete and effective, the hoisting rigging must be safe and reliable, and the site must meet the operation requirements
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12、 After the hoisting machinery is installed and attached, self inspection, inspection and acceptance shall be conducted according to the regulations, and it can only be put into use after passing the acceptance
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Annex 2 key points of safety in use of hoisting machinery 1
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The unit using hoisting machinery must establish a mechanical equipment management system and be equipped with full-time equipment management personnel
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2、 After the installation and acceptance of lifting machinery are qualified, the use registration shall be handled, and obvious safety warning signs shall be set within the activity scope of mechanical equipment
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3、 The crane driver and Signal Engineer must obtain the operation qualification certificate of special construction workers
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4、 Before using the hoisting machinery, the safety technical disclosure shall be made to the operators
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5、 Lifting machinery operators must strictly abide by the requirements of lifting machinery safety operation procedures and standards, and strictly prohibit illegal command and operation
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6、 In case of strong wind, fog, heavy rain, snow and other bad weather, lifting machinery shall not be used
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7、 The hoisting machinery shall be repaired, maintained and maintained according to the regulations, and the equipment management personnel shall inspect the mechanical equipment according to the regulations, and rectify the hidden dangers in time
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8、 The safety devices and connecting bolts of the hoisting machinery must be complete and effective, the structural parts shall not be open welded or cracked, the connecting parts shall not be seriously worn or plastic deformed, and the parts shall not reach the scrap standard
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9、 When more than two tower cranes are operating in the same site, anti-collision measures shall be formulated
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The minimum erection distance between any two tower cranes shall meet the specification requirements
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10、 When the tower crane is used, it is strictly forbidden for people to stay under the jib and lifting objects
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When lifting objects, it is forbidden to pass over people
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Annex 3 key points for construction safety of Foundation Pit Engineering 1
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Special construction scheme for foundation pit engineering must be prepared and reviewed according to regulations, and expert demonstration shall be organized for deep foundation pit engineering exceeding a certain scale
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Special design must be carried out for foundation pit support
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2、 Foundation pit construction enterprises must have the corresponding qualification and safety production license
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It is strictly forbidden to engage in foundation pit construction without qualification and beyond the scope
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3、 Before the construction of foundation pit, the safety technical disclosure shall be made to the on-site management and operation personnel
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4、 The foundation pit construction shall be organized and implemented in strict accordance with the special construction scheme
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The relevant management personnel must supervise the construction on site
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If it is found that the construction is not in accordance with the special construction scheme, it shall require immediate rectification
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5、 Effective measures must be taken in foundation pit construction to protect the safety of buildings (structures) and underground pipelines within the main influence area of foundation pit
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6、 The load of construction materials, facilities or vehicles around the foundation pit shall not exceed the ground load limit required by the design
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7、 The edge protection measures shall be taken around the foundation pit according to the requirements, and the special passage for operators shall be set up
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8、 In order to prevent ponding, water leakage and sand leakage, surface water and groundwater control measures inside and outside the foundation pit must be taken
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During construction in flood season, the drainage system at the construction site shall be inspected and maintained to ensure smooth drainage
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9、 During the construction of foundation pit, it is necessary to support first and then excavate
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It is strictly forbidden to over excavate and backfill in time
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It is strictly forbidden to remove the support when the supporting structure does not meet the removal conditions
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10、 Construction monitoring and third-party monitoring must be carried out in accordance with the provisions of the foundation pit project
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Special personnel shall be designated to patrol around the foundation pit
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When there are signs of danger, an alarm shall be given immediately
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Annex 4 key points of scaffold construction safety I
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scaffold engineering must prepare and review special construction scheme according to regulations, and organize experts to demonstrate if it exceeds a certain scale
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2、 Scaffold erection and dismantling units must have corresponding qualification and safety production license
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It is strictly forbidden to engage in scaffold erection and dismantling without qualification
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3、 Scaffold erection and dismantling personnel must obtain the operation qualification certificate of special operation personnel in construction
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4、 Before the scaffold is erected and removed, the safety technical disclosure shall be made to the on-site management and operation personnel
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5、 Before entering the site for use, scaffold materials must be checked and accepted according to the regulations
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Those that have not been checked and accepted or fail to pass the check and acceptance are strictly forbidden to use
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6、 Scaffold erection and demolition shall be organized and implemented in strict accordance with the special construction scheme
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Relevant management personnel must supervise on site
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If the scaffold is not constructed in accordance with the special construction scheme, immediate rectification shall be required
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7、 The outside of the scaffold and the bottom layer of cantilever scaffold and attached lifting scaffold shall be tightly sealed
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8、 The scaffold must be provided with cross bracing and wall connecting parts according to the special construction scheme.
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