Why can’t the GC1 pipeline installation qualification cover GB level?
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The classification requirements for GC1 pipelines are much stricter than those for GB-grade pipelines. In theory, construction units capable of handling GC1-grade projects have sufficient resources to meet the requirements for GB-grade projects, and there should be no technical issues. Could it be due to administrative licensing factors?
1Because of the regulations set by the General Administration of Quality Supervision. 2 is yes, and there’s also safety
Thank you; it’s likely due to various considerations related to civilian use and safety.
During the qualification review, the requirements regarding personnel allocation, equipment allocation, and fixed assets vary. There’s another thing I don’t understand either: natural gas is GB outside the boundary, but it becomes something else inside the factory area. gc
There are still industry differences between GC and GB.
There are no issues at all with the construction techniques; the railway police can be in charge of each section
This is indeed puzzling; a project was carried out to take over from a civilian natural gas company in order to use it as a raw material for hydrogen production. At that time, a review was conducted – a special meeting was held because the standards applicable to GB.GC were different. What impressed me the most was that the natural gas company required that all supports for combustible gas pipes in the hydrogen production facility not be welded directly to the pipes; instead, clamps had to be used on the pipes first, and then welding was performed on those clamps. The project construction is nearly complete and handover is approaching, yet this requirement was raised, prompting an urgent purchase of a batch of clips