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The CITY OF SION - PUBLIC WORKS AND ENVIRONMENT (CSD INGÉNIEURS SA, RUE DE L'INDUSTRIE 54, 1950 SION) has issued a Tender notice for the procurement of a Astec - Châteauneuf Step - General Planner in the Switzerland. This Tender notice was published on 03 Jun 2026 and is scheduled to close on 24 Jul 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 142537569, while the tender notice number is 378587-2026 and Registering on the platform.
Procurement Summary
Country: Switzerland
Summary: Astec - Châteauneuf Step - General Planner
Deadline: 24 Jul 2026
Posting Date: 03 Jun 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 142537569
Document Ref. No.: 378587-2026
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
CPV Classification
71300000 - Engineering servicesPurchaser's Detail
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Login to see detailsTender Details
ASTEC - Châteauneuf STEP - General planner Châteauneuf WWTP - Rehabilitation 2035 This contract concerns general planner services for modernization and the compliance of the Châteauneuf STEP, operated by the City of Zion. This installation, which ensures the treatment of wastewater from the right bank of the Rhône as well as than several neighboring municipalities, must integrate treatment of micropollutants in accordance with the requirements of the Water Protection Ordinance (OWaters). A feasibility study and summary preliminary project carried out between 2023 and 2025 by CSD Engineers helped provide the framework for the STEP rehabilitation project. On this basis, ASTEC is launching this call for tenders for the continuation of the program Rehabilitation 2035, aimed at defining technical solutions, sizing and modernization options necessary for the sustainability and future evolution of the STEP Châteauneuf. Doc Title: ASTEC - Châteauneuf STEP - General planner Contract Type: services
Document Type: Contract Notice Contract Type: services Authority Type: body-pl-la Doc Title: ASTEC - Châteauneuf STEP - General planner Dispatch Date: 2026-06-02 Published Date: 2026-06-03 Submission Date: 2026-07-24
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