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Regular thickness testing is carried out on wet gas cylinders, large storage tanks, pipelines, etc. Setting of pipe thickness measurement points. According to the \"Guiding Opinions of the State Administration of Work Safety on Strengthening Leak Management in Chemical Enterprises\" (An Jian Zong Guan San [2014] No. 94), what size do large storage tanks and pipelines need to reach to be classified as such? Are there any requirements regarding the medium for thickness measurement of large pipes?
From a design perspective, large storage tanks are classified as follows: crude oil tanks, ≥50,000 cubic meters; finished oil tanks, ≥20,000 cubic meters; gas tanks, ≥5,000 cubic meters; liquefied gas and light hydrocarbon spheres, ≥400 cubic meters; ambient temperature liquefied petroleum gas spheres, ≥400 cubic meters; low-temperature liquefied petroleum gas tanks, ≥10,000 cubic meters
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