In this article, we will talk about confined spaces definition. After reading this article, it is hoped that you could easily recognize such work spaces in the plant site and provide adequate hazard control against such workplace hazards.
By definition, confined spaces mean spaces that are large enough spaces where workers can bodily enter and perform assigned works. Confined spaces, which can easily found in chemical plant, at least have the following characteristics:
a. Have limited or restricted openings/ways for entry and exit.
b. Not designed and purposed for continuous workers occupancy.
c. Have poor natural ventilation.
According to the above definition, we should be able to identify all of the confined spaces exist in the plant site. And I believe we can easily identify them. Below are several examples of them that are commonly found in chemical plant site. I recommend you go to plant site or at the process equipment lists to identify confined work spaces in your plant.
1. Solvent tanks
2. Pressure vessels
3. Boiler
4. Reaction towers
5. Distillation towers
6. Product tanks
7. Catalyst hopper
8. Gas holder
9. Water tank
10. Waste water tank
11. Absorber column
12. Kiln
13. Resin exchanger column
14. Large piping line
15. Bulk chemical container
I have many experiences working in confined spaces during my assign work in chemical plant site. Storage tanks, pressure vessels and reactors are some of confined work spaces that I had entered. Special precautions have to be fully given during work in such work spaces, otherwise accident will probably occur.
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