Wastewater Treatment Plant Gruebensteg: Rüti Extension and Weidli Connecting Pipeline 2026 Tender
Original: Kläranlage ARA Gruebensteg - Ausbau ARA Rüti und Verbindungsleitung ARA Weidli
Gemeinde Rüti ZH
In context
This is a contract notice published by a government body covering consulting. Delivery covers Switzerland (Europe). It is classified under Water and Engineering and Infrastructure against the sustainability taxonomy rather than matched on keywords.
This tender procures general planning and engineering design services for the expansion of a wastewater treatment plant (STEP Rüti) including advanced micropollutant removal, and design of a connecting pipeline from a second treatment facility. The contract suits engineering consultancies and planning firms with wastewater infrastructure and environmental engineering expertise.
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About this tender
The Gemeinde Rüti ZH is procuring general planning services (Generalplanung) for the Kläranlage ARA Gruebensteg project, which covers the expansion of the ARA Rüti wastewater treatment plant and a connecting pipeline from the ARA Weidli. The tender is split into two lots, and bidders may tender for all lots. Tenders for individual lots only are not permitted. Lot 1 covers the general planning for the expansion of ARA Rüti, including an additional treatment stage for micropollutant elimination (Spurenstoffelimination), based on the existing project documents and in coordination with interface projects. The scope runs from SIA sub-phase 32 (construction project) through SIA sub-phase 53 (commissioning), and includes support for operational optimisation under SIA sub-phase 61 (operation). Lot 2 covers the general planning of a connecting pipeline that links ARA Weidli to ARA Rüti, including construction of a new connecting line and a pumping station. The scope runs from SIA sub-phase 32 (construction project) through SIA sub-phase 53 (commissioning), again based on existing project documents and in coordination with interface projects. The place of performance is 8630 Rüti ZH, Switzerland. The contract runs from 31.03.2027 to 30.12.2034 and may be extended. Options and variants are not permitted. Detailed content and scope of services are set out in the project and service description, which is part of the tender documentation. Documents are provided via simap.ch after registration and login. Appendices are provided separately on request against a confidentiality declaration.
Bidder eligibility
Eligibility and participation conditions are specified in the tender documentation, which is only accessible to registered and logged-in users on simap.ch. Bidding consortia are not permitted, and multiple tenders from consortia are not permitted. Subcontractors are permitted, and multiple tenders from subcontractors are permitted. The procurement falls within the scope of international treaties. The language of the procedure and of tenders is German.
How bids are scored
Award criteria are specified in the tender documentation. The page does not disclose a price/quality split or weightings.
Lots
- Lot 1: Generalplanung Ausbau ARA Rüti (GP ARA)
General planning for the expansion of ARA Rüti, including an additional treatment stage for micropollutant elimination. Covers SIA sub-phases 32 (construction project) to 53 (commissioning) and support for operational optimisation under SIA sub-phase 61 (operation).
- Lot 2: Generalplanung Verbindungsleitung Anschluss ARA Weidli
General planning for a new connecting pipeline linking ARA Weidli to ARA Rüti, including a pumping station. Covers SIA sub-phases 32 (construction project) to 53 (commissioning).
Key requirements
- ✓General planning of STEP Rüti expansion with advanced treatment stage for micropollutant elimination
- ✓Design of connecting pipeline from STEP Weidli to STEP Rüti including pumping station
- ✓SIA phases 32–53 (construction design through commissioning) plus SIA 61 operational optimization support
- ✓Compliance with recognized construction standards and coordination with interfacing projects
Procurement contact
The notice names a procurement contact for clarification questions.
CPV codes
Relevant sectors
How this compares
- Compared with 150 similar tenders (water in Switzerland) listed in the last 12 months.
- It allows 61 days to respond, longer than the typical 39 days across 146 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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