FIELD: construction.
SUBSTANCE: invention relates to construction of pipeline systems and is used in construction of gas collection headers at transitions through vehicle roads in complex engineering-permafrost conditions. In the body of a road bed there is a case laid in the form of a metal pipe with the diameter of 3,400 mm resting on a pile foundation. Gas collection header and a methanol pipeline are arranged inside the case in protective jackets. Protective jackets are placed on traverses arranged on support tables mounted in the case.
EFFECT: invention provides higher safety of pipelines operation and vehicles traffic safety over the transition.
4 cl, 3 dwg
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