Hochdruckwasserstrahlreinigung der Schleuse Geisling zur Bauwerksprüfung

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The subject of this invitation to tender is the cleaning of concrete wall surfaces, including walkways and the gates of the Geisling lock chamber. The estimated start of the measure is 05 April 2027. To carry out the structural inspection, the concrete walls, the lock floor, the OW and UW walkways, the gate well basin and the gates (upper and lower water side as well as inside and outside) and the dam beam pockets of algae, silt, mussels, etc. are to be cleaned. The cleaning is to be carried out using a high-pressure water-jet method (up to 240 bar). For this purpose, the lock will be dewatered in advance by the contracting authority (AG). The dewatering of the lock begins with the installation of the inspection cover, expected to take place on 05.04.2027 by the contracting authority (AG). The installation of the stair tower is to be carried out on 06.04.2027 from approx. 12:00 by the contracting authority (on-site work by the client). The cleaning begins after the release of this stair tower on 06.04.2027 by the contractor (AN) (duration approx. 7 weeks of working days). Start at the gates; flush the inside faces of the gates with a C-jet nozzle due to silt hardening. At the…

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