Collective metal corrugated structures, designed for use in the construction of small artificial structures, overpasses, tunnels, aqueducts, avalanche-proof and rockfall galleries, underground pedestrian crossings, cattle drives and ecoducts, storm sewerage, drainage, through channels for communications, for use in the construction of embankments of railways and motorways, sub-stack galleries, communication tunnels in cities and rural settlements, as well as for repair and reconstruction of bridges in road construction operating in areas of the Russian Federation and the Customs Union countries with both ordinary and severe climatic conditions, with seismicity up to 9 points inclusive, with complex geological and hydrogeological conditions, in areas with the spread of permafrost soils, with possible ice formation, in areas with natural hazards, mudflows, landslides, avalanches.
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