External Inspection for Sheet Pile and Cut-off Wall

Notice title: ASG/91/203 Fremdprüfer Spund-/Dichtwand

Engineering and expert appraisal services: construction-accompanying quality monitoring over approximately 2 years (10/2026 - 12/2028), including project familiarization, review of execution documents, evaluation of suitability and quality certificates for cut-off wall materials, and supervision and support of a trial construction with hydraulic leak tightness verification. This includes controls and tests during trial construction and execution, associated laboratory tests (in the site laboratory and externally/own), control and evaluation of the contractor's self-monitoring, preparation of test reports, statements, and ongoing status reports, as well as technical support for construction execution until final evaluation and documentation of the proper production of the cut-off wall.

Tender documents

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