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History

Founder Alfred Marti (1882-1950), civil engineer and founder of the first Marti Contracting Company on January 11, 1922 in Bern

1959: The first modern Marti office building at Freiburgstrasse 133 in Bern, which replaced the old office chalet

1938: Asphalt paver in operation on a road construction site between Bern and Thun

1948: Grimsel mountain pass road extension viaduct

1948: Grimsel mountain pass road extension asphalt paving works

1963-1970: The Marti tractor scraper operating on a highway construction site between Bern and Murten (1950)

1950: Cavern at the Maggia power plant, concrete formwork preparation works

1950-1954: Maggia power plant extension project, concrete works

1955: Grosse Schanze, Bern, excavation and earth works

1958: Construction of the new Bern railway station, demolition works

1962: Val porta road viaduct in the Vercasca valley, Ticino, main span: 121 meters

1972: Two-way six-lane Felsenau highway viaduct in Bern, length: 1,116 meters

1972-1975: Construction of the Felsenau highway viaduct in Bern, main span: 144 meters

1975: Construction of the Gosgen nuclear power plant, canton of Solothurn

1975-1984: Construction of the 957 MW Leibstadt nuclear power plant (Marti as general contractor)

1982: Construction of the Sherwood tunnel in South Africa for owner Umgeni Water Board, Durban, length: 3,300 meters; diameter: 3 meters

1984: Marti piling rigs operating on a construction site in Durban

1987-1994: Construction of the Grauholz railway tunnel for the „Bahn 2000“ project between Bern and Zurich with a mixshield TBM, length: 6,295 meters; TBM diameter: 11.65 meters

1995: N1 Neufeld-Wankdorf road refurbishment

1992: Construction of the Lesotho Highlands Water Delivery Tunnel in a joint venture with Hochtief and Concor, length: 22,000 meters; TBM diameter: 5.38 meters

2000-2005: Lötschberg railway tunnel between Steg and Raron for owner BLS Alp Transit in a joint venture with Walter, Porr and Balfour Beatty, length: 24,700 meters; TBM diameter: 9.4 meters

2002: Construction of the Expo pavillon at the shores of lake Murten

2004-2007: Construction of the San Pedro tunnel in Madrid, Spain, length: 8,917 meters; TBM diameter: 9.45 meters