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Innovation and Modernisation of Locks at Gabčíkovo Dam

Roads and Bridges
Slovakia

The innovation and modernisation of both locks at Gabčíkovo Dam in Slovakia increased the safety and intensity of shipping traffic on the middle section of the Danube. They allow river boats to overcome a height difference of 16 to 23.3 m in about 15 minutes.

Basic information

Project Investor:

Vodohospodárska výstavba s.p.

Project Designer:

AQUATIS a.s.

Project Duration:

02/2019 – 12/2023

Innovation and Modernisation of Locks at Gabčíkovo Dam
Obrázek

Characteristics

The contract included restoration of the concrete parts of the dam and expansion joints, grouting of the sub-base and modernisation of the technological parts of both locks – replacement of the upper and lower gates, filling and emptying systems, dynamic protection of the upper and lower heads, hydraulic control systems and management system.

Project in numbers

  • 34 x 275 m
    Dimensions of each of the two locks
  • 220,000 m3
    Lock water volume
  • 1,200 tonnes
    Weight of the lower lock gates

Uniqueness of construction project

Metrostav carried out the construction project in accordance with the FIDIC Yellow Book (Design–Build). The upper and lower gates are extremely large.  The project was a high-risk construction project from the OHS perspective. At peak times, up to 500 workers were performing demanding work at the same time – at a depth of 35 m below the level of the Danube. Not a single accident occurred during the job!

Obrázek
Obrázek
Obrázek
Obrázek

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