Design services for Rüti WWTP expansion and Weidli connecting sewer 2026 Tender
Original: Architectural, construction, engineering and inspection services – 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 services. 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 master planning and engineering services for the expansion of a wastewater treatment plant (ARA Rüti) in Switzerland, including design through commissioning and operational optimization. Bidders should be engineering firms or consortia with expertise in wastewater infrastructure design, SIA standards compliance, and multi-phase project delivery.
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About this tender
The buyer, Gemeinde Rüti ZH, is procuring architectural, construction, engineering and inspection services for the wastewater treatment plant project 'Kläranlage ARA Gruebensteg - Ausbau ARA Rüti und Verbindungsleitung ARA Weidli'. The text available covers Lot 1: general planning for the expansion of the ARA Rüti treatment plant, based on the existing project documentation, applicable Swiss construction technical rules, and coordination with interfacing projects. The scope runs from SIA sub-phase 32 (building project) through SIA sub-phase 53 (commissioning), and includes support for operational optimisation under SIA sub-phase 61 (operation). Detailed content and extent of the services are set out in the project and service specification, which is not included in the text available. The overall duration is not stated.
Key requirements
- ✓Master planning (Generalplanung) for wastewater treatment plant expansion per SIA phases 32–53
- ✓Compliance with applicable technical building standards and coordination with interface projects
- ✓Support for operational optimization during SIA phase 61 (operations)
Relevant sectors
How this compares
- Compared with 154 similar tenders (water in Switzerland) listed in the last 12 months.
- It allows 57 days to respond, longer than the typical 39 days across 150 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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