Methods and requirements for passing Class A and B flammable liquids through pipe trenches
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What should be considered in trench design, and what standards can be referenced? Bury in sand? Casing? Please give your advice
When designing pipe trenches, it is necessary to consider what grade the material of the pipes is, and then decide how to construct sleeves or lay the pipes in the trenches. For design guidelines, one can refer to the provisions in various piping design manuals