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Design and construction of the heating nonchannel systems of steel pipes with foamed polyurethane thermal insulation in polyethylene jacket
Document status: Active
Adaptation of subways under the protective constructions of civil defense. General rules of design
Document status: Active
Culverts and drainage systems in areas of permafrost. Design rules
Document status: Replaced by SP 445.1325800.2023
Code of regulations on contstruction of trunk gas pipelines. Earthwork operations
Document status: Active