What are the permanent protective measures?
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Article 27: Special facilities for hazardous chemical pipelines, permanent protective facilities, special tunnels, and other associated facilities shall not be used for other purposes； If it is indeed necessary to use it for other purposes, the consent of the pipeline operator must be obtained, and appropriate safety measures must be taken.
I’ve learned it; I want to know which standard it comes from.
Regulations on the Safety Management of Hazardous Chemicals Transportation Pipelines
I searched before; hydraulic protection is a safeguard measure for pipelines. Anyway, I won’t be able to get Yonggong