Introduction to safety measures for deep foundation pit excavation?

At this stage, in order to ensure the safety of deep foundation pit excavation, what is the basic situation of the safety measures commonly used by construction companies in deep foundation pit excavation? What’s the basic overview? The following is the content related to the safety of deep foundation pit excavation compiled by the editor of Zhongda Consulting. The basic situation is as follows:

The foundation pit project mainly includes the design and construction of the foundation pit support system and earth excavation. It is a A highly comprehensive system engineering. It requires close cooperation between geotechnical and structural engineering technicians. The foundation pit support system is a temporary structure that is no longer needed after the underground engineering construction is completed.

The editor of Zhongda Consulting has sorted out the relevant content. At this stage, the basic contents of safety measures for deep foundation pit excavation are as follows:

1. Establish a safety assurance system

Safe construction management system

2. Safety management

1. Conscientiously implement the safety production regulations and procedures of the country, industry and local government, and establish and improve the construction safety inspection and supervision network system , carry out safety inspections and protection in stages and locations to make them regular, institutionalized and standardized.

2. Establish and improve the safety production responsibility system: Establish safety production responsibility systems at all levels, make sure responsibilities are clear, implement them to people, and strictly implement the manager responsibility system; when signing various economic contracting contracts, they must There are clear safety indicators, rewards and punishments and other safety guarantee measures; all parties to the contract or joint venture should sign a production safety agreement in accordance with relevant laws and regulations to ensure that the subject is legal, the content is legal, and the procedures are legal, and their respective rights and obligations are clear.

3. Safety education: Implement three-level education of the headquarters, project department and team for new workers, implement safety education for new types of work for workers who change types of work, and keep records in a timely manner; workers must be familiar with the work Work safety technical operating procedures and master the operating skills of this type of work.

4. The construction organization design should formulate corresponding safety technical measures and approval procedures based on the characteristics of the project, construction methods, machinery, equipment, electrical, special operations, production environment and seasonal influences.

5. Before the construction of sub-projects, managers at all levels should conduct comprehensive and targeted safety technical briefings and perform signature procedures.

6. All special operations personnel must implement a certificate-based employment system. Operators are strictly trained as required and can only work after passing the examination. Operation without a certificate is strictly prohibited.

7. Safety inspection: Establish a safety inspection system at all levels, with time and requirements, clear key points and dangerous parts; complete inspection records, and designated personnel, time and measures for rectification of hidden dangers; for large-scale construction Machinery, etc., should do a good job in the acceptance of important facilities, and they can be used only after passing the acceptance and listing; and form a good pre-shift inspection system and Monday safety activity system, that is, the management department should organize safety education for all workers every Monday, and conduct safety education on the previous week. Summarize existing problems and make necessary explanations of this week’s safety priorities and precautions.

8. Management and construction personnel at all levels should wear badges and helmets with identification marks to prove their identity; abide by labor disciplines, command without regulations, and operate without regulations.

9. All types of accidents should be reported and handled in accordance with regulations, accident files should be complete, and "three no-nos" should be done.

10. Safety and fire prevention management: Establish and improve the safety and fire prevention responsibility system to ensure clear responsibilities and complete fire safety systems; establish a voluntary fire brigade with a certain number of personnel and a response activity system; strictly implement the approval system for the use of open flames , to achieve complete procedures, effective monitoring and prevention measures; clear key prevention areas, and complete fire prevention rewards and penalties, fire accidents, and fire equipment management records.

11. Eye-catching safety slogans and safety warning signs are provided at the main construction parts, operating points and dangerous areas on the site, as well as at the main entrances.

12. Pay special attention to the protection of high-altitude operations to prevent objects from being struck and falling from high altitudes. Carefully use the "three treasures" (safety helmets, safety belts, and safety nets), strengthen the defense of the "four entrances" (staircases, shafts, reserved openings), and "edges" (scaffolding, foundation pits, etc.), Set up signs and night construction signals in dangerous areas on site.

13. Do a good job in safety management of electricity use at construction sites, and strictly follow specifications and regulations. Use five-core cables, iron distribution boxes, leakage protection devices and other measures. Implement "one machine, one gate" and "one machine, one protection", and lock the distribution switch box. Those who use mobile power tools should wear insulated shoes and gloves, and use 36-volt safe voltage lighting. Make construction electricity safety protection standardized and tool-based.

14. The construction site should be graded as required, surrounded by fencing, and posts should be set up for external passages to ensure site safety.

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