Pôle d'échange Höhenhof – Lot 4b (nouvelle bretelle sud/est d’accès A1 direction Trèves)

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The works consist in particular of: - earthworks (demolitions, excavation, backfilling); - civil engineering works (road foundation, layers in hydrocarbon asphalt, drainage sewer pipes, retaining walls cast in place, retaining support with pile curtain, …); - utility works (ducts and pulling-in chambers, pre-equipment for signalised intersection, …); - installation works (retaining devices). Quantity of works: - General excavation cl 3-5 8,000 m3 - General excavation cl 6-7 2,700 m3 - General backfilling 9,700 m3 - Backfill with reuse 750 m3 - Special excavations 4,750 m3 - Special backfilling 1,200 m3 - Contiguous backfilling 3,300 m3 - Removal of excess excavated material 17,000 m3 - Concrete drainage pipes 1,750 m - Multi-ducts 2,000 m - Road foundation 5,860 m3 - Hydrocarbon asphalt 3,530 to - Metal retaining devices 1,840 m - Concrete for retaining walls 2,100 m3 - Bored piles diam 0,90 m 1,200 m Time allowed for the works: 300 working days Estimated start of the works: spring 2027 The works consist in particular of: - earthworks (demolitions, excavation, backfilling); - civil engineering works (road foundation, layers in hydrocarbon asphalt, drainage sewer pipes,…

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