Aurich-Haxtum Sewage Treatment Plant, Construction Tender - 146744785

Procurement Summary

Country: Germany

Summary: Aurich-Haxtum Sewage Treatment Plant, Construction of Digestion Ii - Steel Construction

Deadline: 08 Sep 2026

Posting Date: 07 Aug 2026

Other Information

Notice Type: Tender

TOT Ref.No.: 146744785

Document Ref. No.: 547890-2026

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: Refer Document

CPV Classification

45223110 - Installation of metal structures
45262100 - Scaffolding work
45421140 - Installation of metal joinery except doors and windows

Purchaser's Detail

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Tender Details

Aurich-Haxtum sewage treatment plant, construction of Digestion II - steel construction Construction description The content of the tender is the new construction of the digester at the Aurich Haxtum sewage treatment plant. The Aurich-Haxtum sewage treatment plant cleans the wastewater from the city of Aurich and the surrounding towns. Next to In addition to the predominantly municipal wastewater, dairy wastewater from the local Rücker dairy is also treated at the Aurich sewage treatment plant. The current incoming freight is around 68, 500 EWCSB. To stabilize and reduce the A sludge digestion plant has been in operation at the sewage treatment plant since 1963 to remove the primary sludge from wastewater treatment. Despite ongoing optimizations and renovations, sludge digestion has its performance limits due to increased inflow loads reached. The existing digester capacity is only sufficient to a limited extent for the primary sludge and the flotate sludge resulting from the pretreatment of the dairy wastewater. The digestion process is overloaded at times and leads to difficult operating states. There are currently no reserve capacities available for revisions and maintenance work on the digester (approx. 60 years old). It is currently not possible to use the resulting excess sludge (Sludge) for energy purposes because it... Digester with a digestion time well under 20 days is already overloaded. The entire ÜS sludge is therefore stabilized in a fermentation plant. The operation of sludge incineration requires a lot of space, leads to high sludge disposal...
Document Type: Contract Notice Reference Number: FD15-226-04 Contract Type: works Authority Type: la Doc Title: Kläranlage Aurich-Haxtum, Bau Faulung II - Stahlbau Dispatch Date: 2026-08-05 Publish Date: 2026-08-07 Submission Date: 2026-09-08

Documents

 Tender Notice