Switzerland – Sewage services – ARA Gulfia, Municipality of Klosters – Conversion of Biology Department to SBR: Tender for General Planner

Original title (Hungarian): Switzerland – Sewage services – ARA Gulfia, Gemeinde Klosters - Umbau Biologie zu SBR: Ausschreibung Generalplaner

General Public Services · Switzerland government procurement

Closed March 02, 2026. GlobalGov surfaces government procurement from around the world, including the markets your competitors overlook.

Closed
Status

Opportunity Overview

Die Abwasserreinigungsanlage (ARA) Gulfia in der Gemeinde Klosters hat den Betrieb im Jahr 1975 aufgenommen. Die 2-strassige Biologie reinigt das Abwasser der Fraktionen Monbiel, Klosters und Madrisa. Da die bestehende Infrastruktur des Beckenblocks sich dem Ende ihrer Lebensdauer nähert, wurde im Jahr 2023 eine Zukunftsstudie durchgeführt. Basierend darauf soll zukünftig das biologische Reinigungsverfahren von einer klassischen Belebschlammbiologie zu einem Sequencing Batch Reactor (SBR) umgerüstet werden. Die Planung wurde im Rahmen eines Vorprojektes vertieft. Das Ausbauziel wurde auf 12'000 EW und ein Qmax von 150 l/s festgelegt. Das Ausbauziel ist zu Beginn des Bauprojekt zu überprüfen. Mit der vorliegenden Submission wird der Generalplaner für den Umbau der Biologie für die SIA-Phasen 32 (Bauprojekt) bis Phase 53 (Inbetriebnahme, Abschluss) ausgeschrieben.

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Solicitation Details

Issuing agencyGeneral Public Services
CountrySwitzerland
CategorySanitation Sewerage
PublishedJanuary 21, 2026
Procurement stageActive solicitation
ClosedMarch 02, 2026
StatusClosed — no longer accepting responses
TranslationTranslated from Hungarian by GlobalGov’s translation pipeline
Official sourceView original notice
Last verifiedAugust 12, 2026

Source: Tenders Electronic Daily (TED), © European Union. Notice content reused under Commission Decision 2011/833/EU; editorial content licensed CC BY 4.0. GlobalGov is not affiliated with the European Union.

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