【Haichuan Building Design Review】--Guardrails in the Special Section on Hazardous Chemical Safety Design

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The 25th National \"Safety Production Month\" in 2026: Everyone should talk about safety and be able to handle emergencies; identify and eliminate potential risks and hazards. -------------------------------------------------- 【HaiChuan Building Design Review】Compilation post – Learn about the requirements for design review and improve design standards: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5721370 (Source: HaiChuan Chemical Industry Forum (HCBBS)). For preventing falls from heights, protective railings are an excellent solution. Some people ask, what if someone really wants to jump down? This is no longer a matter of safety per se. In accordance with \"Safety Requirements for Fixed Metal Ladders and Platforms – Part 3: Industrial Guardrails and Platforms GB 4053.3-2025\", guardrails must be installed whenever the height difference is 1200 mm or more. Of course, it should be noted here that this also covers some types of work that do not fall under the category of work at heights. Work at heights is defined as work at a height of 2m or more; work at heights falls within the range of 1.2m to 2m is not considered work at heights. In the event of an accident in this range, it is classified as a fall according to GB6441 standards, while accidents at heights of 2m or more are classified as falls from heights. In chemical plants, there are often many areas where work must be carried out at heights. When designing, ease of operation is taken into consideration; generally, valves are placed within reach of humans for operation, but this isn’t always possible, or it may require a high cost. The convenience of manual operation can still be achieved through things such as steel platforms, but protective railings are needed on these platforms to prevent people from falling. For example, some towers are quite tall; does that mean no one is needed to operate them at the top? It is often not possible to avoid any need for human intervention or inspection; therefore, it is necessary to consider using ramps or ladders to reach the top of the tower. Both ramps and platforms require guardrails to prevent people from falling. Another example is storage tanks: they need to have a certain height, and considering the operations carried out by personnel, protective railings are also an inevitable requirement. Whether it is directly on the top of the storage tank or the steel platform, protective railings must be installed to prevent people from falling. Of course, installing protective railings does not introduce any new risks. Generally, the design of such railings follows the patterns provided in the reference manuals; since these patterns are based on standard specifications, the protective railings should meet those standard requirements. Since the materials used by chemical enterprises may be corrosive, or the areas where they are located may require corrosion protection, the protective railings may need to meet corrosion resistance standards. Based on the same standard, \"Safety Requirements for Fixed Metal Ladders and Platforms – Part 3: Industrial Guardrails and Platforms GB 4053.3-2025\", kickplates are essentially required in all cases. To prevent objects on the platform or walkway from falling accidentally, thereby avoiding injuries to people caused by impact from those objects.