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Storage reservoir at Issy-les-Moulineaux

Construction by Razel-Bec of a stormwater storage reservoir under the Gabriel-Voisin Stadium in Issy-les-Moulineaux
Characteristics of the reservoir
• An underground reservoir 26 metres deep and 40 metres in diameter, with a circular diaphragm wall, a concrete apron resting on 170 micro-piles, tie plates and an abutment slab in prefabricated sections (beams and plates).

• Constructions inside the reservoir: slope forms, trough support shells, two vortex wells, a concrete spiral staircase, upper and lower steel walkways.

• Technical premises under the stadium: civil engineering and finishing of the premises for ventilation, electricity, toilets and washrooms, access gallery and outlet tunnel.

• Start well for the micro tunnel borer at a depth of 12 metres to connect the reservoir to the storm spillways.

Work was completed at the end of December 2017.
Our brands involved in the project
Razel-Bec
Contact Razel-Bec, public works specialist.
Sefi-Intrafor
Deep foundation and underground works specialist.