Ø Drum storage areas, either temporary or permanent Ø Facilities used to transfer stored liquids (such as transport facilities) Ø Electrical transformers containing oil and/or Polychlorinated biphenyls (PCBs) Ø Storage facilities for chemicals, pesticides, or petroleum Which facilities should have bunded areas included? Ø Concrete is the recommended material for construction however, it must be provided with a coating that is able to withstand the stored liquid.Ģ. Materials including floor slabs and bund walls must be both compatible and able to withstand the impacts of the contained liquid. Ø A bund wall must be used to store any liquid apart from rainwater, and the requirement for bunding should be determined on a site-by-site basis. The design of the Wall and foundation must be calculated by Foundations Engineer Þ Let's recommend a Square Area: W=L, because with have an open area Þ Today there are programs that allow modeling a spill or disaster and thus the ideal height for each case can be determined. Þ For previous experience I recommend high of bund wall = 1.5 m and adding 0.3 m for freeboard = 1.8m Let's assume for the purpose of the problem that concerns us, we have a free area in which we can create a square structure. Þ 655 = Lbw x Wbw x Hbw - area tank foundation*tank foundation height-wet tank area *
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