Germany – Construction work – Repair of the new weir LOT 2: Solid construction / hydraulic engineering

This tender includes the services of lot 2 for the repair of the Neuwerben weir: repair or adaptation of the solid construction. - Technical processing, surveying, - construction site equipment, - construction of the fairway (approx. 6,000 m3), berths, scour backfilling (approx. 1,500 m3), - anchoring of the base (approx. 150 pieces), - underpinning of the pillars (approx. 400 m HDI columns), - construction of the construction pit (approx. 2,700 m2 sheet pile wall), - Underwater concrete base (approx. 1,200 m3), - dewatering, groundwater lowering, - upgrade/reinforcement of the base (approx. 1,400 m3), - conversion of the weir pillars (approx.