The services entrusted to Egis consist of upgrading the settling unit at the Choisy-le-Roi water plant, one of the largest drinking water plants in the world, which provides 340,000 m3 of water daily to 1.85 million people in the southern Parisian suburbs.
As part of a call-off contract, SEDIF has entrusted Egis with the project management for upgrading the plant's settling tanks.
Renovating the four multi-channel settling tanks involves replacing/improving hydraulic equipment, repairing structural engineering and finishings, and upgrading electricity and robotics. Egis worked on the pre-project phases, provided assistance with execution of the works contract and assistance with operational acceptance.
Egis is also responsible for approving the compliance of studies.
The full project management role consists of upgrading the four settling tanks on three main points:
© Laurent Julvez, Egis