Sewer survey services – Repeat inspection of municipal wastewater collection system (Ellerbek - Tangstedt) 2026 Tender
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This tender procures cleaning and CCTV inspection of a municipal wastewater collection system (sewer network) in Schleswig-Holstein, Germany, following DIN EN 13508-2 and DWA standards. Bidders must be specialized wastewater infrastructure inspection contractors with experience in large-diameter pipe surveys and no-access-shaft methodologies.
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About this tender
Sewer survey and inspection services for the AZV Sammler (Ellerbek - Tangstedt) wastewater collection system. The scope includes cleaning and CCTV inspection of approximately 2,509 meters of sewers across multiple pipe diameters: ~74m DN 300, ~465m DN 800, ~110m DN 1200, and ~1,860m DN 1800. Cleaning of sections must be completed prior to TV inspection. A significant section of the DN 800 pipeline (over 460m) has no accessible inspection shafts. Inspection and documentation must comply with DIN EN 13508-2 and DWA-M 149-2:2013 standards. …
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