Tenders Are Invited For Rain-Water Basin Construction Work – Paris Charles De Gaulle Airports - Rehabilitation Work On The B1 And B3 Rainwater Storage Basins

Rain-Water Basin Construction Work – Paris Charles De Gaulle Airports - Rehabilitation Work On The B1 And B3 Rainwater Storage Basins. The Work Mainly Includes: - The Upgrading And Complete Renovation Of The Two Basins B1 And B2; - Cleaning Of Sludge/Soil And Waste; - The Removal Of Geomembranes And Felts As Well As Their Elimination/Destruction In Appropriate Channels; - The Resumption/Repair Of The Complete Waterproofing Of These (Ramp, Basin Bottom, Recesses, Embankment, Separation Walls Between The Internal Basins Of B1, Etc.) And This By Favoring Techniques Without Geomembrane For The Basin Bottoms; - Verification Of The Electromechanical Equipment Of B1 (Pumps, Hydroejectors Of The Pa/Ph Basins); - The Recovery And Burial Of Multi-Tubular Sheaths For Basin B1. The Works Will Be Carried Out During The Day, Under Exploitation And Will Be Staggered During The Dry Period Of 2027 (April To October).