zur Startseite zum Seitenanfang zur Suche zur Sitemap zum Inhalt der aktuellen Seite Kontakt


news, dates and background about Herrenknecht

Herrenknecht tunnel borers taste mountain air in Ecuador

________________ In Quito one of the highest metro systems in the world is currently being built. The first line will run over more than 20 kilometers through the elongated capital of Ecuador. At an altitude of more than 2,800 meters above sea level, from the spring of 2017 two recently completed Herrenknecht EPB Shields are set to work their way through the volcanic ground.

With a diameter of 9.36 meters the two identical tunnel boring machines for the Metro de Quito are among the larger calibers. By the opening of the metro system the EPB Shields completed in late August 2016 will have excavated more than 17 kilometers of new tunnels.

Schwanau, September 5, 2016. Two tunnel boring machines from Schwanau will soon be literally heading for the hills. In the Ecuadorian Andes work on the Metro de Quito is in full swing – the first two of the planned 15 metro stations are already under construction. In a few months the site crews will be joined by two Herrenknecht tunnel borers. The EPB Shields with diameters of 9.36 meters were completed in Schwanau in late August 2016. The mayor of Quito, Dr. Mauricio Rodas, visited the Ortenau region for the technical acceptance. Together with representatives of contracting joint venture Acciona / Odebrecht and client Quito Metro, the guests admired and inspected the concurrently assembled and completed machines in detail.

The mayor of Quito, Dr. Mauricio Rodas, (front left) talking to Martin-Devid Herrenknecht, engineer and son of company founder Dr.-Ing. E.h. Martin Herrenknecht, at the technical acceptance of the two EPB Shields in Schwanau.

The planned tunnel alignment of Metro Line 1 runs at a depth of about 20 to 25 meters below the city. The new rail system is an important step in the modernization of the metropolis and in future will transport more than 350,000 passengers daily. At the moment the high volumes of traffic regularly cause congestion and smog. The switch to a more environmentally friendly mass transportation system is designed to remedy the situation and save up to 30,000 tonnes of CO2 emissions per year.

Machine data S-1018, S-1019:

  • Machine type: 2 x EPB Shield
  • Shield diameter: 9,365 mm
  • Drive power: 2,750 kW
  • Torque: 21,035 kNm (nominal)

Project data:

  • Project: Metro de Quito Line 1
  • Client: Quito Metro (Empresa Pública Metropolitana Metro de Quito)
  • Contractor: Consorcio Line 1 – Metro De Quito (Acciona/Odebrecht)
  • Geology: Silt, clay, tuff (volcanic origin)
  • Tunnelling distance: 1 x 8,180 m, 1 x 9,053 m
Related content
Learn more about additional products and projects from the world of Herrenknecht
EPB Shield

EPB Shield

Innovative and successful hundreds of times: EPB...


Tunnelling technology from Herrenknecht excavates...
Suez Canal Crossing

Suez Canal Crossing

The Suez Canal is no longer only navigable in one...
Data loading
Data loading