creation or modification of infrastructure structures Structural work of the terminus Jfk of line a of the Rennes Métropole metro: -new platform, widening and extension of the rear station tunnel in covered trench for about 200 m in single-frame and bi-frame, annex structure of ventilation / smoke extraction and emergency.-modification of existing structures: Station Jf Kennedy and its emergences, Kennedy Well, Espacil underground car park, Jf Kennedy park-and-ride facility, Private and public sewerage networks, VrdEarthworks: 24,000 mc, Drilling for micropiles: 28,400 ml, Formwork: 8,000 square metres, Concrete: 6,100 mc, Reinforcement: 723,000 kg, Steel frame: 39,000 kg, Reinforced concrete pipes by sinking and digging: 18 ml

creation or modification of infrastructure structures Structural work of the terminus Jfk of line a of the Rennes Métropole metro: -new platform, widening and extension of the rear station tunnel in covered trench for about 200 m in single-frame and bi-frame, annex structure of ventilation / smoke extraction and emergency.-modification of existing structures: Station Jf Kennedy and its emergences, Kennedy Well, Espacil underground car park, Jf Kennedy park-and-ride facility, Private and public sewerage networks, VrdEarthworks: 24,000 mc, Drilling for micropiles: 28,400 ml, Formwork: 8,000 square metres, Concrete: 6,100 mc, Reinforcement: 723,000 kg, Steel frame: 39,000 kg, Reinforced concrete pipes by sinking and digging: 18 ml