Repair Sliding door 2 GS K-H

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The contract is for the basic repair of the sliding gate 2 of the Kiel lock of the NOK. The gate was built in 1912 and was last under basic repair at the end of the 1980s. The waterway and shipping administration currently does not have its own suitable repair sites (dry dock or similar). The scope of the entire measure therefore includes, in addition to the repair work, the provision of a suitable repair site, the transfer of the gate to the repair site by the AN and the return transport after completion of the measure to the WSA NOK lock on the Kiel Canal. The gate consists of a riveted / screwed steel structure and has 4 horizontal bars with a total height of approximately 19.0 m (OK grating level ‘E’ to UK hump bars), which bear the designation ‘A’ - ‘D’ from below. Between the "B" and "C" bars, there is a 7.94 m-wide floating box throughout the entire length of the gate (consisting of 16 floating and ballast tanks), while the total width of the gates, including the guide and sealing woods, is 8.75 m. The overall length is 46.51 m. The total weight of a sliding door is about 1,200 t. The services include: Transport of the sliding gate from Kiel to the repair site and back to the lock Kiel-Holtenau including the necessary lifting work. Steel construction works: 100 to renew steel construction, the steel construction works are mostly made as screwed constructions Pipeline construction about 400m scaffolding: approx. 2.900m2 scaffolding on the outer surfaces, approx. 5.600m3 scaffolding inside the gate, partly in the floating/ballast tanks Corrosion protection approx. Cleaning of the steel surfaces of vegetation and contamination, pollutant remediation by removing approximately 14,500 m2 of coating containing harmful substances, preparation of the surfaces according to Sa 2 1/2, basic, intermediate and top coating Disposal of abrasive waste PE work approx. Provision of a crane for all lifting operations

45223210 - Structural steelworks