Ensure proper design oversight to reduce safety issues

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Engineering design is the first step in production technology; the quality of engineering design directly affects the investment returns of construction projects, as well as the safety and operability of the production facilities. Countless accidents have shown us that it is very difficult to ensure safe production in a factory if technical aspects related to safety are not taken into account when analyzing, evaluating, and developing production technologies and equipment, and if safety measures are not implemented from the very beginning of factory design. From the feasibility study of engineering projects, to the determination of production process conditions and equipment selection, through construction and commissioning, it is essential to strictly implement the **\"three simultaneities\" requirement for the safety of construction projects**, by arranging safety measures at each stage. Conducting a proper safety assessment is a prerequisite and foundation for safety design, as well as the basis for scientific safety management and decision-making. The safety assessment of chemical production facilities involves evaluating the risk level by examining the chemical and physical properties of the raw materials used in the production process, the intermediate products produced, the final products, as well as the waste generated. By conducting a comprehensive assessment of the risks associated with the production conditions, the production process itself, and the equipment used, it is possible to determine the categories of hazardous areas based on the likelihood of accidents and their severity. This helps in deciding on the layout of the production areas, the required safety distances, and the appropriate selection of equipment. Enterprises should commission qualified safety assessment agencies to conduct regular safety assessments, specifying the scope of the assessment to cover all areas of operation. For newly built, renovated, or expanded technical improvement projects, as well as those that adopt new processes, technologies, or equipment, safety pre-assessments and safety evaluations upon completion should be carried out in a timely manner. Companies should also pay attention to major maintenance operations and the decommissioning of production facilities, carrying out risk assessments. Recently, many chemical explosion accidents have occurred during the dismantling of facilities.