Civil and industrial construction (Category OG1 SOA).
Construction, maintenance or restoration of building works to carry out any director or indirect human activity, including all necessary structure, electromechanical, electrical, telephone and electronic plants, and all types of finishes as well as any related, complementary and accessory works.
As examples, these include homes, prisons, schools, barracks, offices, theatres, stadiums, buildings for industries, buildings for car parks, railway and underground railway stations, airport buildings, in addition to any special constructions in simple or pre-stressed reinforced concrete, cast in works such as thin vaults, domes, tanks, units, silos and tall buildings with specific characteristics and complexities.
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Roads, motorways, bridges, viaducts, railways, tramways, underground railways, cable cars, airport runways and relative complementary works (Category OG3 SOA).
