The input is already in English, so I return it unchanged: Engineering services KBV Ems and Wörsbach Valley – sludge dewatering planning, Niederselters WWTP 2026 Tender
Original: Engineering services – KBV Ems- und Wörsbachtal - Planungsleistungen Schlammentwässerung KA Niederselters
Kläranlagenbetriebsverband Ems- und Wörsbachtal
In context
This is a contract notice published by a government body covering services. Delivery covers Germany (Europe). It is classified under Water and Engineering and Infrastructure against the sustainability taxonomy rather than matched on keywords.
A German wastewater association is seeking technical equipment engineering services (HOAI §55, phases 1 to 9) to plan sludge dewatering at the Niederselters wastewater treatment plant. It suits engineering consultancies and planning firms with wastewater process experience and capacity for a single-site design-to-handover contract.
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About this tender
The buyer, the Kläranlagenbetriebsverband Ems- und Wörsbachtal (KBV / AV Emsbachtal), is procuring engineering services for the technical equipment (Technische Ausrüstung) for sludge dewatering at the Niederselters wastewater treatment plant (KA Niederselters). The services are priced in line with the service profile and basic services of § 55 HOAI 2021 (German fee regulation for architects and engineers) for work stages (Leistungsphasen, LP) 1 to 9. Bidders must include all engineering activities needed to successfully deliver the project, including incidental costs, coordination and meeting dates, on-site appointments, site and acceptance dates, and reproduction costs. The buyer expressly reserves the right to commission work stages in stages or individually. Bidders may offer reduced fees for LP 1 and LP 2, since separate scheduling may not be needed. LP 5 may be offered with a reduction of up to 4 percentage points, because detailed design can be prepared without chase and penetration plans. For LP 7, the buyer normally reduces the basic services by 2 percentage points, because tendering, the award decision by the association bodies, and the contract letter are handled by the KBV / AV Emsbachtal. Bidders are asked to state surcharges for incidental costs and, where applicable, conversion and modernisation surcharges. They should also account for any existing structures to be reused, even if these are valued at 0%. The expected duration is not stated on the page.
How bids are scored
Not disclosed on the page. Bidders are asked to provide fee surcharges (incidental costs, conversion/modernisation surcharges) and to price the reduced work-stage options described above. No price/quality split or scoring weights are given.
Key requirements
- ✓HOAI 2021 §55 technical equipment services covering phases 1 to 9, with phase-wise award reserved
- ✓Includes all ancillary costs, site meetings, on-site inspections and acceptance dates; offers must state surcharges for ancillary costs and modernisation
- ✓Phase 5 may be reduced by 4 percentage points and phase 7 by about 2 points, reflecting the authority's own procurement and tender steps
Relevant sectors
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 29 days to respond, shorter than the typical 30 days across 810 similar tenders.
- The same organisation listed 1 other similar tender here in the last 12 months.
Closest open tenders
Figures are computed from notices listed on Raise Lens in the same sector and country over the last 12 months.
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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