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Develop background
According to the requirements of the former Ministry of Construction's "Notice on Issuing the Plan for the Development and Revision of Engineering Construction, Urban Construction and Construction Industry Standards from 2001 to 2002", the specification preparation team conducted extensive investigations and research, carefully summarized practical experience, referred to international standards and foreign advanced standards, and revised it based on extensive solicitation of opinions.
Main content
General Principles: It is clarified that the purpose of the code is to standardize construction work at height and its management, so as to achieve safe protection, advanced technology, and economic rationality. At the same time, the scope of application is stipulated, including the edges, openings, climbing, suspension, operating platforms, cross operations and safety net erection in high-altitude operations in construction projects. It is also applicable to the construction of various holes, pits, trenches, grooves and other parts of other high-altitude operations. It is also emphasized that in addition to complying with this specification, work at heights should also comply with the relevant national standards.
Terminology and symbols: The terminology and symbols related to construction work at heights are unified to facilitate understanding and communication.
Basic regulations: It is required to formulate safety technical measures for high-altitude operations in the construction organization design or construction plan. Before construction, safety protection facilities must be inspected and accepted, and workers must be informed and trained, safety warning signs must be set, and safety tools must be inspected. Operators must be equipped with and correctly use safety protective equipment, handle materials that may fall, be fireproof when working at heights, and take anti-skid measures when working in rain, snow, and other weather conditions. Open climbing and suspended high-altitude operations are not allowed in bad weather. At the same time, provisions are made for the temporary removal or change of safety protection facilities and the acceptance of facilities.
Edge and opening operations: Edge operations are defined as high-altitude operations where the edge of the working surface is unenclosed or the height of the enclosure is less than 800mm, including edge operations such as floor slabs; opening operations refer to operations at high altitudes on the ground, floor, etc., at the opening where people and materials may fall, and the fall height is greater than or equal to 2m, and the structure of protective facilities for edge and opening operations is stipulated.
Climbing and suspended operations: Increased safety protection requirements when working on roofs and exterior walls. If you are working on a roof with a slope greater than 25° and there is no external scaffolding, a minimum of 1.5m should be set on the eaves edge. High protective railings, and fully enclosed with dense mesh safety nets; when working on exterior wall doors and windows, anti-fall measures should be taken, and standing on rafters, balcony railings, etc. are not allowed to work. There are also regulations on the erection and disassembly of formwork support systems, tying steel bars and prestressed tensioning, concrete pouring and other suspended operations.
Operating platform: It is divided into mobile operating platform, floor-standing operating platform and cantilevered operating platform, and regulations are respectively provided. For example, the area of the mobile operating platform should not be greater than 10m², the height should not be greater than 5m, the aspect ratio should not be greater than 2:1, and the construction load should not be greater than 1.5kN/m², etc.
Cross-operation: Specific provisions are made for safety protection sheds and safety nets in cross-operation.
Construction safety net: Detailed provisions are made for the setting of safety nets, including the material, specifications, and erection methods of safety nets.
importance
This specification is an important regulatory document in the construction industry. It emphasizes the principle of prevention first and safety first. It requires construction units to establish a safety management system and educate and train workers. Its implementation will help ensure the personal safety of workers working at heights in construction construction, prevent and reduce the occurrence of falling accidents from heights, and promote the standardization and standardization of safety management for work at heights in construction construction.
FAQ
How to participate in training or examination based on JGJ80-2016 specifications? :
You can search and sign up for relevant training courses or exams through construction training websites or platforms.
Some courses may provide online learning or live training, allowing you to arrange your time flexibly.
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