For gas stations, should the pipelines inside the station be buried directly or laid in trenches?
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When building gas stations, should the pipelines inside the station be buried directly or laid in trenches? What is the reason? I hope everyone will offer valuable suggestions. . . .
Pipes should be buried directly to prevent heavy flammable gases or liquids from entering the pipe trench, which could pose a risk of fire or explosion. See gas station design
If the trench is designed for ease of maintenance, it should be backfilled with sand.
Laying is carried out through trenches, which are filled with sand. The burial depth of the pipes should be determined in accordance with the design specifications for gas stations and local meteorological data; account also needs to be taken of the freezing points of gasoline and diesel. If the pipes are buried below the local permafrost layer, insulation is not required
I’m not quite sure – when pipes pass under the roadway, will buried pipes get crushed? Personally, I think it’s still better to lay the pipes in a trench and backfill the trench with sand