TRACK RECORD OF PROJECTS

The list below shows the works developed by OSSA. You can organise the viewing of the chart by clicking on the enabled fields. For more information on a specific project, please click on its name.

Huan Lian (Taiwan)

Construction

Roadway tunnels

04 / 2014

Departamento de Alta Verapaz (Guatemala)

Energy

Hydroelectric tunnels

02 / 2014

Pais Vasco (Spain)

Construction

Railway tunnels

12 / 2013

Hong Kong

Construction

Subway tunnels

12 / 2013

Galicia (Spain)

Construction

Railway tunnels

11 / 2013

São Domingos do Prata (Brasil)

Mining

Mining tunnels

09 / 2013

Grecia

Construction

Roadway tunnels

05 / 2013

Galicia (Spain)

Energy

Hydroelectric power plants

03 / 2013

Orense (Spain)

Construction

Railway tunnels

02 / 2013

Veraguas (Panamá)

Energy

Hydroelectric tunnels

02 / 2013

Peru

Construction

Roadway tunnels

02 / 2013

Peru

Construction

Roadway tunnels

01 / 2013

Guipúzcoa (Spain)

Construction

Railway tunnels

12 / 2012

País Vasco (Spain)

Construction

Railway tunnels

12 / 2012

Chiriquí (Panamá)

Energy

Hydroelectric tunnels

08 / 2012

Guipúzcoa (Spain)

Construction

Railway tunnels

07 / 2012

Peru

Mining

Mining tunnels

06 / 2012

Panamá

Energy

Hydroelectric tunnels

06 / 2012

Lugo (Spain)

Energy

Repairs

05 / 2012

León (Spain)

Mining

Vertical shafts and mine galleries

12 / 2011

Vizcaya (Spain)

Construction

Subway tunnels

11 / 2011

León (Spain)

Construction

Railway tunnels

06 / 2011

Grecia

Construction

Roadway tunnels

05 / 2011

Asturias (Spain)

Construction

Railway tunnels

04 / 2011

Grecia

Construction

Roadway tunnels

04 / 2011

Lleida (Spain)

Construction

Roadway tunnels

12 / 2010

Cataluña (Spain)

Construction

Railway tunnels

12 / 2010

Vizcaya (Spain)

Construction

Roadway tunnels

11 / 2010

Madrid (Spain)

Construction

Railway tunnels

11 / 2010

Guipúzcoa (Spain)

Construction

Roadway tunnels

10 / 2010

Cantabria (Spain)

Construction

Roadway tunnels

10 / 2010

Málaga (Spain)

Construction

Roadway tunnels

09 / 2009

Vizcaya (Spain)

Construction

Roadway tunnels

09 / 2009

Barcelona (Spain)

Mining

Vertical shafts and mine galleries

09 / 2009

Málaga (Spain)

Construction

Roadway tunnels

07 / 2009

Andorra

Construction

Roadway tunnels

06 / 2009

Granada (Spain)

Construction

Roadway tunnels

06 / 2009

Guipúzcoa (Spain)

Construction

Roadway tunnels

05 / 2009

Asturias (Spain)

Construction

Railway tunnels

03 / 2009

Vizcaya (Spain)

Construction

Subway tunnels

12 / 2008

Logroño (Spain)

Construction

Roadway tunnels

10 / 2008

Lorca (Spain)

Construction

Roadway tunnels

10 / 2008

Soria-La Rioja (Eapaña)

Construction

Roadway tunnels

10 / 2008

Guipúzcoa (Spain)

Construction

Roadway tunnels

06 / 2008

Cuenca (Spain)

Construction

Railway tunnels

05 / 2008

Cuenca (Spain)

Construction

Railway tunnels

05 / 2008

Vizcaya (Spain)

Construction

Roadway tunnels

02 / 2008

Portugal

Mining

Vertical shafts and mine galleries

01 / 2008

Valencia (Spain)

Construction

Railway tunnels

12 / 2007

Valencia (Spain)

Construction

Hydraulic tunnels

10 / 2007

Valencia (Spain)

Energy

Hydroelectric power plants

10 / 2007

Mallorca (Spain)

Construction

Roadway tunnels

07 / 2007

Galicia (Spain)

Construction

Railway tunnels

07 / 2007

Burgos (Spain)

Construction

Hydraulic tunnels

06 / 2007

Cataluña (Spain)

Construction

Roadway tunnels

03 / 2007

Asturias (Spain)

Construction

Subway tunnels

03 / 2007

Málaga (Spain)

Construction

Roadway tunnels

02 / 2007

Vizcaya (Spain)

Mining

Special jobs, operations and caverns

02 / 2007

Galicia (Spain)

Construction

Railway tunnels

12 / 2006

Galicia (Spain)

Construction

Roadway tunnels

11 / 2006

Galicia (Spain)

Construction

Roadway tunnels

08 / 2006

Madrid (Spain)

Construction

Roadway tunnels

05 / 2006

Badajoz (Spain)

Mining

Vertical shafts and mine galleries

12 / 2005

Cuenca (Spain)

Construction

Railway tunnels

12 / 2005

Galicia (Spain)

Construction

Hydraulic tunnels

11 / 2005

Navarra (Spain)

Construction

Roadway tunnels

10 / 2005

Vizcaya (Spain)

Construction

Roadway tunnels

10 / 2005

Galicia (Spain)

Energy

Large-scale caverns

08 / 2005

Cantabria (Spain)

Construction

Roadway tunnels

08 / 2005

Galicia (Spain)

Construction

Hydraulic tunnels

07 / 2005

Asturias (Spain)

Construction

Roadway tunnels

05 / 2005

Pamplona (Spain)

Construction

Roadway tunnels

01 / 2005

Barcelona (Spain)

Construction

Railway tunnels

12 / 2004

Alicante (Spain)

Construction

Railway tunnels

08 / 2004

Burgos (Spain)

Construction

Roadway tunnels

04 / 2004

Vizcaya (Spain)

Construction

Roadway tunnels

11 / 2003

Cataluña (Spain)

Construction

Railway tunnels

09 / 2003

Asturias (Spain)

Construction

Hydraulic tunnels

09 / 2003

Castilla y León (Spain)

Construction

Hydraulic tunnels

06 / 2003

Cataluña (Spain)

Construction

Railway tunnels

06 / 2003

Segovia (Spain)

Construction

Railway tunnels

05 / 2003

Valencia (Spain)

Energy

Hydroelectric power plants

12 / 2002

Logroño (Spain)

Construction

Railway tunnels

12 / 2002

Cantabria (Spain)

Construction

Roadway tunnels

09 / 2002

Zamora (Spain)

Construction

Hydraulic tunnels

01 / 2002

Asturias (Spain)

Construction

Roadway tunnels

11 / 2001

Segovia (Spain)

Construction

Roadway tunnels

10 / 2001

Huesca (Spain)

Construction

Roadway tunnels

09 / 2001

Vizcaya (Spain)

Construction

Subway tunnels

06 / 2001

Galicia (Spain)

Construction

Roadway tunnels

03 / 2001

Madrid (Spain)

Construction

Hydraulic tunnels

02 / 2001

Cantabria (Spain)

Construction

Roadway tunnels

01 / 2001

Vizcaya (Spain)

Construction

Hydraulic tunnels

09 / 2000

Barcelona (Spain)

Construction

Roadway tunnels

07 / 2000

Guipúzcoa (Spain)

Construction

Hydraulic tunnels

03 / 2000

Galicia (Spain)

Construction

Roadway tunnels

03 / 2000

León

Mining

Vertical shafts and mine galleries

01 / 2000

Badajoz (Spain)

Construction

Hydraulic tunnels

12 / 1999

Guipúzcoa (Spain)

Construction

Hydraulic tunnels

11 / 1999

Valladolid (Spain)

Construction

Roadway tunnels

10 / 1999

Navarra (Spain)

Construction

Roadway tunnels

08 / 1999

Guipúzcoa (Spain)

Construction

Roadway tunnels

07 / 1999

Málaga (Spain)

Construction

Roadway tunnels

06 / 1999

Galicia (Spain)

Construction

Roadway tunnels

05 / 1999

Galicia (Spain)

Construction

Roadway tunnels

05 / 1999

Asturias (Spain)

Construction

Roadway tunnels

04 / 1999

Guipúzcoa (Spain)

Construction

Roadway tunnels

07 / 1998

Galicia (Spain)

Construction

Roadway tunnels

06 / 1998

Bilbao (Spain)

Energy

Large-scale caverns

02 / 1997

Barcelona (Spain)

Construction

Roadway tunnels

12 / 1995

Burgos (Spain)

Construction

Roadway tunnels

10 / 1995

León (Spain)

Mining

Vertical shafts and mine galleries

03 / 1995

Bilbao (Spain)

Construction

Subway tunnels

02 / 1994

León (Spain)

Construction

Roadway tunnels

05 / 1993

León (Spain)

Mining

Vertical shafts and mine galleries

01 / 1992

León (Spain)

Mining

Vertical shafts and mine galleries

11 / 1989

Salamanca (Spain)

Energy

Hydroelectric power plants

05 / 1987

Cantabria (Spain)

Mining

Vertical shafts and mine galleries

01 / 1987

Navarra (Spain)

Mining

Vertical shafts and mine galleries

01 / 1984

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