How is it defined that the control room should not, in principle, be located in the plant area?
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According to the \"Three-Year Action Plan for Special Rectification of Work Safety Nationwide\" and the \"Implementation Plan for the Three-Year Action on Special Rectification of Hazardous Chemicals Safety\", control rooms and shift change rooms for production facilities involving explosives-related chemicals must not be located within the facility area; those that are already in use must be rectified by the end of 2020. In principle, control rooms and shift change rooms for production facilities with Class A or B fire hazards should also not be placed within the facility area, and if it is necessary to do so, blast-resistant design, construction, and reinforcement must be carried out in accordance with the \"Code for Blast Resistance Design of Petrochemical Control Rooms\" (GB 50779-2012) by the end of 2020. Offices, rest rooms, outdoor operation rooms, and inspection rooms located in factories (including installations or workshops) and warehouses that pose risks of Class A and B fires, dust explosions, and poisoning must be demolished by August 2020. How is the control room of the reference production unit defined? Can the regional control room still be located next to the device? How is the plant area calculated? How is it calculated for the production workshop?
Similar questions have been discussed many times on this platform; it is recommended that the original poster search for them by themselves. The following relevant information is available for reference: In the \"Code for Layout Design of Petrochemical Plants\" GB 50984-2014, the recommended minimum safety distance values in Table-2 of the explanatory notes in Article 4.8 are 60m between areas where highly toxic gases may leak and the control room of a single unit ； Other crowded areas: 100/150/200m. The requirements for gas protection are stricter than those for fire protection. Although the explanatory text does not have the same legal force as the main text of the standards and is usually used only for reference, many local projects now require compliance with the recommended minimum safety distances listed in Table-2 of this explanatory text, or they require that the necessary protection distance be determined through analysis of the potential spread of toxic materials (with a corresponding analysis report typically being required).