The construction requirements of water conservancy and hydropower are very strict, which is different from other buildings in China. We must attach importance to the safety supervision and management system. Because water conservancy and hydropower projects are usually carried out under harsh conditions, such as some remote mountainous areas and villages, these areas are generally complex in terrain, which increases the difficulty of construction and is widely distributed, which can not transmit information in time, resulting in a long construction period, which is not conducive to the construction of the whole project. In addition, in the construction of water conservancy and hydropower projects, because most of the construction workers employed are migrant workers with relatively low education level, their relative quality and moral level are not high, and they have not formed a good sense of construction safety, so they often neglect safety management, which brings great security risks to the construction of water conservancy and hydropower projects and easily leads to engineering accidents, which not only causes huge economic losses to enterprises, but also brings irreparable harm to the whole production and operation activities. Standardize safety supervision and management policies to prevent all kinds of safety accidents in construction and ensure the smooth completion of the project. In the construction safety supervision and management of water conservancy and hydropower projects, I mainly talk about the following aspects:

1 Safety supervision basis

In order to ensure the safety of life and property of constructors, ensure the smooth development of water conservancy and hydropower projects, and improve the construction quality of the whole water conservancy project, China officially promulgated the "Safety Production Law" to ensure the supervision and management system of construction safety on June, 2002, and put it into practice, which provided relevant laws and regulations for the safety management of water conservancy and hydropower projects and improved the civilized construction level of water conservancy and hydropower projects.

2. Establish the safety production responsibility system of the supervision department.

The supervision responsibility of the chief supervision engineer and relevant responsible persons for various safety production activities in the construction of water conservancy and hydropower projects is clarified.

1. Chief supervision engineer

It is mainly to review all kinds of production documents related to construction safety, the certification documents of each unit on the construction site to ensure civilized construction safety qualification, the construction safety design scheme submitted by each construction enterprise and the safety measures for using various new technologies in construction activities, the safety management system of each department, whether the use methods of various new industries and new materials on the construction site are safe and standardized, the engineering inspection quality report submitted by the construction enterprise, and the safety technology of the technical department on the construction site. Personnel in charge of supervision and inspection in each department should conduct safety inspection in time during the construction process, and investigate immediately once an accident occurs to find out the cause of the accident and other possible safety hazards.

2. Supervision and management engineer

Review all kinds of production documents related to construction safety in advance, review the certification documents of various units on the actual construction site in advance, review the construction safety design scheme submitted by construction enterprises and the safety measures for using various new technologies in construction activities in advance, review the safety management systems of various departments in advance, and review whether the use methods of various new industries and new materials on the construction site are safe and standardized in advance. Review all kinds of engineering inspection quality reports submitted by construction enterprises in advance, review the visa documents of engineering technology departments on safety technology in advance, mediate the friction caused by cross-operation of construction units, communicate the production and operation relations of various departments, actively urge construction units to implement safety supervision and management policies, and strengthen the safety measures of new technologies. Regularly check all kinds of protective measures and equipment management at the construction site to ensure that construction personnel use protective equipment correctly at the site. In case of emergency, they should first calm down, report the problem to the general manager in time, ask for instructions on the next step, put forward relevant treatment measures and suggestions on the scene of the accident, and strictly carry out the ordered orders to ensure that no casualties occur.

3. Supervision and management personnel

Project supervisors should check the environmental safety of the construction site in time, supervise whether various safety protection measures are implemented in actual operation, and report violations to the chief supervision engineer in time. Strengthen the patrol inspection of safety measures in daily work, once any problems are found, report to the relevant departments in time, do a good job of coordination, urge all construction units to put safety awareness first, and actively carry out rectification and innovation on safety hazards in all construction links. Avoid the occurrence of engineering accidents.

3. Formulate the safety inspection system of the supervision department.

1. Safety inspection before construction

Before the official start of water conservancy and hydropower projects, all construction projects should be strictly reviewed in detail to ensure the smooth development of construction, especially the safety management measures to meet the construction requirements of "five certificates and one map" and "three links and one leveling", and the temporary electricity consumption and temporary construction facilities should be strictly reviewed to ensure that all construction and production activities can be carried out in a safe environment. Improve the quality level of construction personnel, actively carry out various safety lectures, and enhance their understanding of the importance of safe construction. In the case of immature construction conditions, resolutely refuse to start construction.

2. Safety inspection in the construction stage

Due to the complex and diverse construction environment of water conservancy and hydropower projects, there are also various potential safety hazards. We have made full preparations to nip in the bud, and we should pay special attention to making a true record of all the work during the construction. Such as foundation pit slope support, external elevators, scaffolding workers, material hoists, formwork works, tower cranes, blasting operations, civilized construction, temporary electricity utilization, tunnel support, etc.

3. Safety inspection meeting

According to the construction characteristics of water conservancy and hydropower projects, a regular meeting system of inspection and supervision is established, the safety situation of the construction site is checked weekly, and the whole construction safety state is systematically evaluated every month, so that every construction worker is required to actively participate in it and enhance the sense of ownership. Supervision and management personnel should report the problems found in the on-site inspection to the superior leadership department in time, and require the construction unit to make adjustments and modifications immediately. Put forward specific requirements and measures for safety problems in construction. The construction unit is required to carry out rectification on time within the specified time. Analyze the potential safety hazards existing in different construction departments in time, control the risks in the minimum range, compare the previous construction situation of water conservancy and hydropower projects, explore the law, and understand the safety measures of the whole project as soon as possible. When necessary, hold a special meeting to actively study how to solve the safety supervision problem and ensure that the project is foolproof.

4. Strengthen the education and training of safety supervision knowledge of supervisors.

Safety supervision and management is easier said than done. It is very professional, and only through years of experience accumulation can a relatively reasonable and perfect safety knowledge system be formed. For example, in hydropower projects, the vertical transportation of concrete members and tunnel support require professional technical support and construction experience. To do a good job, supervision engineers must undergo long-term training and practical experience before they can master all kinds of safety supervision and management. However, judging from the current situation of hydropower project construction in China, the level of supervision and management personnel is uneven, and the age and technical level show that they can not meet the standards of modernization. Therefore, we should strengthen the professional knowledge and skills training for supervisors and managers. Let them seriously study all kinds of laws and regulations related to construction safety supervision, cooperate with local construction safety regulations, and conduct in-depth research and analysis on the whole project. Standardize various safety operations, actively participate in safety production management training, be familiar with safety inspection methods, and master the procedures for handling hidden dangers of safety accidents. Every supervisor and manager must pass the examination before taking up their posts.

5 conclusion

The quality of water conservancy projects is inseparable from the construction safety. Quality hidden dangers often lead to safety accidents, and unsafe factors lay the foundation for quality accidents. Strengthening safety supervision can more effectively ensure the smooth completion of construction projects, increase the comprehensive monitoring ability of supervision enterprises to construction parties and enhance the market competitiveness of supervision enterprises.

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