What measures are required when natural gas pipelines pass through rooms where gas is not used, and where are the relevant provisions in the standards?
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What measures are required when natural gas pipelines pass through rooms that are not used for gas consumption, and where are the relevant provisions in the standards?
Are the design specifications for oil and gas pipeline crossings included in this?
It mainly depends on the standards used as references for your project. For example, if it’s a ship, you need to follow the regulations set by the classification society; for land-based projects, you must adhere to the design specifications outlined in the project’s spec documents – otherwise, it will be difficult to find what’s needed. For example, regarding this in ships, it is specified that passing through rooms is not allowed; if it is necessary to pass through the pipe walls, those walls must be thickened, and detachable joints cannot be used.
According to domestic standards, it’s definitely not acceptable to run pipes underground in the rooms, as it makes maintenance difficult. In the event of corrosion or leaks, natural gas leaking into the rooms can be very dangerous； It is probably also not allowed to pass through rooms that are not related.
If you are looking at town gas-related matters, please check chapter 10.2.14 of GB50028