Tenders Are Invited For Supporting Walls – Work To Widen And Strengthen The Bridge Of The First French Army (Rd931) In The Communes Of Draveil And Juvisy-Sur-Orge

Supporting Walls – Work To Widen And Strengthen The Bridge Of The First French Army (Rd931) In The Communes Of Draveil And Juvisy-Sur-Orge. The Project Consists Of Reinforcing And Widening The Deck Of The Prestressed Concrete Segment Bridge Of The Rd931 (First French Army Bridge) By Installing Ultra-High Performance Concrete Slabs (Uhpc) On The Existing Cantilevers To Allow Soft Mobility. This Project Includes The Following Services: - Installation Of Heavy Marking On Rd; - Planing Of The Coatings And Removal Of Waterproofing On And Off The Structure; - Installation Of Suspended Scaffolding; - Reinforcement Of The Structure (Additional Prestressing With Reinforced Concrete Deviators, Reinforcement By Bonded Composite Materials); - Reinforcement Of The Upper Slab; - Thickening Of The Cores And The Lower Slab At The Ends; - Caulking And Crack Injection; - Widening Of 3M70 On Either Side Of The Decks Using Uhpc Slabs; - Implementation Of English-Style Guardrails; - Repair Of The Superstructures Of The Structure And Implementation Of Mvl Type Retaining Devices; - Replacement Of Supports, Road And Sidewalk Joints; - Lighting; - Widening Of Abutments; - Widening And Redevelopment Of Access Ramps Including Creation Of Retaining Walls; - Pyrotechnic Security Of Intrusive Structures On The Draveil Side; - Complete Repair Of Waterproofing And Coatings; - Creation Of Cycle Paths Including Marking. The Work Falls Under Category I Within The Meaning Of Article R.4532-1 Of The Labor Code. The Overall Execution Time Begins From The Start Date Of The Preparation Period Prescribed By Service Order Following Notification Of The Contract (Expected Date Of Notification End Of April 2026 At The Latest)