Framework contract for revision services on biological aeration lanes, Karlsruhe 2026 Tender
Original: Rahmenvertrag für Revisionsleistungen Biologiestraßen (Unterhaltung, Reinigung, Verwertung und Entsorgung im Klärwerk Karlsruhe)
Stadt Karlsruhe Hauptamt
In context
This is a contract notice published by a government body covering services. Bids are invited through a framework agreement. Delivery covers Germany (Europe). It is classified under Water, Waste Reduction and Engineering and Infrastructure against the sustainability taxonomy rather than matched on keywords.
Framework contract for annual revision and maintenance services at Karlsruhe wastewater treatment plant, including basin cleaning, sediment removal, and waste disposal. Bidders should be specialized industrial cleaning and waste-management firms with experience in municipal wastewater infrastructure.
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About this tender
The Stadt Karlsruhe Hauptamt is procuring a framework agreement (Rahmenvertrag) for revision services on the biology streets (Biologiestraßen) at the Karlsruhe wastewater treatment plant (Klärwerk Karlsruhe). The scope, as named in the tender title, covers maintenance (Unterhaltung), cleaning (Reinigung), recovery (Verwertung) and disposal (Entsorgung). The procedure is an open tender under the German Public Procurement Ordinance (VgV), type of order: services, tender no. TBA26014, ELViS ID E62754478. The tender documents, including the full scope, quantities, duration and award criteria, are only available to registered and authorised ELViS users, and the call for tenders had not yet been activated when this page was captured. Those details could not be confirmed from the public notice.
Key requirements
- ✓Annual revision of biological treatment lanes at wastewater plant
- ✓Basin cleaning, sediment removal, and deposit clearance after emptying
- ✓Unit pricing for personnel, vehicles, equipment, transport, and waste disposal/recovery
- ✓Ability to minimize downtime and restore treatment capacity quickly
- ✓Handling and disposal of residual materials from treatment process
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How this compares
- Compared with 1240 similar tenders (water in Germany) listed in the last 12 months.
- Similar tenders that state a value range from $51k to $23m, with a median of $1.3m (89 tenders).
- It allows 30 days to respond, the same as the typical 30 days across 810 similar tenders.
- The same organisation listed 1 other similar tender here in the last 12 months.
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About this sector
Water funding covers supply, sanitation, wastewater treatment, water efficiency, catchment management and flood risk. A large share is public procurement for infrastructure and services, alongside grants for innovation and access in underserved areas. Bidders and applicants are typically assessed on technical capacity, operating experience and community impact.
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