1921

Between the two World Wars, ETPO builds many large-scale port infrastructures in Saint-Nazare, Lorient, Saint-Brieuc, Saint-Malo, Cherbourg, etc. 

SAINT MALO
Public road works - GRANDE ECLUSE DU NAYE
Lock 260-m long, 25-m wide and 16-m high.
Earthworks: 115,000 m³
Concrete: 70,000 m³
Masonry of artificial stones: 4700 m³
View of North dock wall under construction.