Key aspects of safety inspections in chemical enterprises

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　　I. Safety Production Management 　　(A) Formulation of the safety production responsibility system and its implementation. 　　1. Whether the division of responsibilities under the safety production responsibility system is in line with the actual conditions of the enterprise. 　　2. Is the safety production responsibility system such that each position has clear responsibilities? Has this responsibility system been implemented in every department, at every position, and among every employee? Special attention should be paid to whether the division of responsibilities among corporate legal persons (chairpersons) and other relevant supervisors is clear, and whether the responsibilities of the key supervisors are fulfilled in accordance with the law. 　　3. Is the safety management organization established independently? (Safety should only be combined with environmental protection.) Are sufficient full-time management personnel assigned in accordance with regulations? (See Appendix 1 for basic requirements.) Are the qualifications of the person in charge of safety and the safety management personnel in the enterprise meeting the required standards? (See Appendix 1.) 　　4. Do hazardous chemicals manufacturing enterprises use their actual annual sales revenue as the basis for calculation, applying an excess progressive method to allocate safety funds on a monthly basis in accordance with the prescribed standards (the allocation standards are listed in Appendix 2)? Are these safety funds used effectively as required? 　　5. Have the relevant documents on work safety issued by ** authorities and safety supervision departments at all levels since the beginning of this year been received in a timely manner? Yes/No. Were these documents disseminated and studied, and were they implemented conscientiously? (See Appendix 3). 　　(II) Safety production management system and its implementation status. 　　1. Are the enterprise’s main safety production management systems sound and targeted? Are they revised and improved in a timely manner based on the actual conditions of the enterprise? 　　2. Are the main enterprise safety management records complete and accurately documented? 　　3. Pay special attention to the implementation of the following safety management systems: (1) Safety inspection and hazard identification and remediation system. 　　The progress of hazard identification and mitigation efforts this year; whether the identified hazards and problems have been addressed; whether the major unresolved safety hazards have met the requirements of the \"five implementations\"; and whether the hazard identification records are complete. 　　Has a regular system for identifying and addressing potential hazards been established, and is it properly implemented? 　　Are safety inspections merely a formality? Are they thorough enough? For the same recurring issues or potential hazards, are targeted measures taken? 　　Whether a corporate expert safety inspection system has been established and implemented in accordance with the regulations of the provincial authorities. 　　(2) Safety education and training system. 　　Whether an annual safety training and education plan is established and implemented as planned. 　　Has the three-level safety training for employees been carried out? Are the records of this training complete? Is the amount of time dedicated to safety training sufficient in accordance with the requirements (new employees must receive at least 72 hours of training, while those undergoing retraining each year must receive at least 20 hours of training)? 　　Can corporate safety training be tailored to the specific circumstances of the company? Are the training programs on safe operating procedures for employees and emergency response measures appropriate for those conditions? Is a safety knowledge assessment conducted for all employees at least once a year, and is such assessment truly meaningful? 　　Whether the main persons in charge of the enterprise, safety management personnel, and workers engaged in special operations have passed the required legal assessments, whether their safety qualification certificates are still valid, and whether they undergo retraining on a regular basis as stipulated; whether the qualifications of the employees working in hazardous chemical manufacturing enterprises meet the requirements (see Appendix 1), and whether appropriate measures have been taken to adjust the composition of such employees. 　　(3) Hazardous operation management system. 　　Before carrying out hot work or hazardous operations in confined spaces, are tests and analyses conducted to determine the concentrations of toxic, harmful, flammable, and explosive gases? And are clear safety measures put in place for such operations? 　　Is hierarchical management implemented for hazardous operations, with clear defined responsibilities? 　　Whether the content of the work order is complete and standardized; whether the approval and issuance procedures are strictly followed. 　　Is fire use during holidays strictly controlled? 　　(4) The “three simultaneities” system for construction projects. 　　Whether to establish a \"three simultaneities\" management system for hazardous chemical construction projects. 　　Are the approval procedures for hazardous chemical construction projects complete? Is there any construction carried out without approval or without compliance with the relevant approval requirements? 　　Do the design, construction, and supervision units for the construction project possess the required qualifications? 　　Are safety evaluations conducted regularly? Has the safety production license of hazardous chemicals manufacturing enterprises expired and not been renewed? 　　(5) Management systems for highly toxic chemicals and chemicals that can be used to manufacture drugs: If such chemicals are present, it is necessary to establish relevant management systems and ensure their proper implementation. 　　Are the records for the entry and exit of highly toxic chemicals properly maintained? Have sales records and customer files been established? 　　Whether to establish a ledger for the flow of precursor chemicals (purchase, use, inventory). 　　(6) Systems for safety facilities and special equipment management. 　　Whether safety facilities and management systems for special equipment are established and strictly implemented. 　　Whether safety facilities and management records for special equipment are established, and whether these records are kept carefully, completely, and in full. 　　Whether safety facilities and special equipment are regularly inspected, and whether there are any cases of overdue inspections. 　　(7) Management system for major hazard sources. 　　Whether the enterprise’s major hazard sources have been assessed. Whether an emergency response plan has been prepared for major hazard sources, and whether it has been filed with the local safety supervision department. 　　Whether to establish monitoring systems such as inspection and routine checks for major hazard sources. 　　4. Emergency management. 　　Has an accident emergency plan been prepared in accordance with relevant regulations and standards? Is the content of the emergency plan consistent with the actual situation of the enterprise and tailored to its needs? Whether to establish a hierarchical response mechanism for emergency plans; whether to set up a communication mechanism with local ** authorities, nearby enterprises, and residents. 　　Are emergency rescue drills carried out regularly? Are these drills planned, organized, documented, and summarized, with the contingency plans being revised in a timely manner? 　　Are emergency response measures for abnormal situations established for key positions and critical equipment, along with corresponding training and drills? 　　Have measures been taken to prevent pollution from the discharge of treated wastewater in case of an accident? 　　II. Management of the work site (I) Overall layout. 　　1. Is the overall layout within the plant area reasonable, and are the functional areas clearly defined? Do the safety distances between the main production units, workshops, warehouses, etc., meet the regulatory requirements? 　　2. Whether there are design flaws in the factory buildings and production facilities, such as operation rooms, control rooms, and analysis rooms being located within the facilities, or doors and windows facing directly at the production equipment; whether emergency evacuation routes are inadequate, and whether the installation of process pipelines complies with relevant standards. 　　3. Are wind vane installed within the factory area? 　　4. Are there safety warning signs and hazard information cards installed within the factory premises? Are there obvious markers for major hazard sources? Are the equipment and pipelines painted in accordance with relevant standards? 　　5. Is there any occurrence of production and construction taking place simultaneously, or is there no separation between the construction site and the production area? 　　6. Are eye wash stations and shower facilities installed at the work site in accordance with regulations and are they being used effectively? 　　7. Are personal protective equipment (air respirators, protective clothing, emergency medications, etc.) provided at the work site and properly maintained? Is the allocation of such equipment reasonable and in accordance with standards? Are protective equipment cabinets and emergency cabinets installed as required? 　　8. Are the fire protection facilities complete and effective? Is the placement of fire hydrants in compliance with regulations? Are the fire escape routes unobstructed? 　　(II) Process unit site. 　　Check whether there is arbitrary handling at the Bu workshop site, and whether there are any phenomena such as tying, binding, lifting, or hanging; also verify whether the electrical wiring complies with standards. 　　2. In the explosion-proof workshop, are there any non-explosion-proof items, such as maintenance tools and electrical equipment that are not explosion-proof? 　　3. Are there measures in the device’s gutters and cable trenches to prevent the accumulation of flammable gases or the entry of flammable liquids into these areas? Is the area where the cable trenches pass through walls sealed? 　　4. Automatic control of the equipment: In areas prone to fire and explosion, are devices for detecting excessive temperature and pressure, as well as alarms and safety interlocks, in place? Are there devices for detecting combustible gas concentrations and issuing alarms? For those equipment or devices that pose a risk of fire or explosion due to excessive temperature or pressure, are emergency pressure relief devices installed? 　　5. Whether the emergency pool is reasonably designed and suitable for use. 　　(III) Tank areas and warehouses. 　　1. Has a dike been installed in the tank area in accordance with regulations? Are there any issues with the dike, such as holes in it, the presence of pumps and distribution boxes inside the dike, the fact that the foundations and ground surfaces of the acidic storage tanks are not treated to prevent corrosion, or the fact that the volume of the dike does not meet the required standards? 　　2. Whether the layout and spacing between tanks within the tank farm meet the requirements. 　　3. Are there detection and alarm systems for leaks of flammable, explosive, toxic, and harmful gases, as well as fire alarm systems in the tank areas and storage areas, and are these systems in proper working condition? Are there appropriate measures such as lightning protection, cooling, shading, and insulation? Are there devices to eliminate static electricity from humans at the entrances to areas where flammable gases and liquids are stored? Are cooling water spray systems installed in liquid storage tanks in accordance with regulations? 　　4. Check whether the pipe sections passing through walls in the tank area are sealed; ensure that the sewage pipes have separate drainage outlets, with water seals and isolation valves installed outside the dike. 　　5. For storage tank areas that constitute major hazard sources, are there remote transmission and continuous recording functions for parameters such as pressure, temperature, liquid level, and leak alarms? Are emergency shut-off devices installed in key storage tanks such as those holding liquefied gases and highly toxic liquids? 　　6. Does the warehouse design comply with regulations? Are the materials stored in the hazardous materials warehouse arranged in accordance with requirements? Is the storage of gases such as liquid chlorine and liquid ammonia in compliance with standards? For flammable and explosive materials stored outdoors, are there sunshades and water spray facilities available? 　　7. Is a \"five-pair\" management system implemented for the storage of highly toxic substances? Are there sufficient gas alarm sensors in place, and are their installation locations appropriate? Are there cabinets for storing emergency protection equipment and disaster relief supplies? 　　8. Whether the distances between the tank truck loading/unloading lines in the material loading/unloading area, the bunds surrounding the tank area, and the loading/unloading pumps meet the specified requirements; whether the inlet and outlet points for loading and unloading flammable liquids are separated from each other, and whether there are appropriate safety measures in place; whether dedicated grounding wires are provided for the unloading platforms and tank trucks. Whether the pipelines used for transferring liquid hazardous chemicals such as liquid chlorine and liquid ammonia comply with the specified requirements. 　　(IV) Electrical equipment, instruments, and safety accessories. 　　1. In areas prone to fire and explosion, check whether the explosion-proof motors, pumps, etc. are firmly installed, whether there are protective covers on the transmission parts, and whether the enclosures have proper static electricity grounding; also verify that the static electricity bonding for pipes, valve flanges, etc. is complete and effective. 　　2. Check whether the pressure gauges, safety valves, etc. have expired and require inspection, and whether the pressure gauges have exceeded their warning limits. 　　3. Are level gauges, pressure gauges, and safety valves installed in the storage tank in accordance with regulations? Is there an alarm for high liquid levels, as well as an automatic interlock system to shut off the feed mechanism when the liquid level is too high? Do the glass level gauges have fixing and protective devices? Are all kinds of safety accessories on the tank in good condition? 　　4. Are safety valves, vent pipes, etc. installed in the reaction vessel in accordance with regulations? For the safety valves and vent pipes used for flammable and explosive gases, are their outlet pipes placed outdoors? 　　5. Are there any water temperature control measures in the vaporization units for liquid chlorine, liquid ammonia, etc.? Are check valves installed on the pipelines between the buffer tanks and reactors? Does the vent outlet of the buffer tank discharge directly into the atmosphere? 　　6. In areas such as production workshops, tank farms, and storage areas, as well as in places where Class A gases and liquids are produced or used, are combustible gas concentration alarm sensors installed in accordance with regulations? Is the alarm system under centralized control? Are lightning protection devices installed as required? 　　7. Are mobile detection instruments for hot work and entry into confined spaces available?