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TED - Tenders Electronic Daily (Publications Office of the EU) verified 1 week ago Contract notice

Germany - Technical design services - Design services phases 1-9 for the construction of 3 combined wastewater overflow basins in the Ravengiersburg treatment plant catchment area, including throttle devices

Original Deutschland - Technische Planungsleistungen - Planung Leistungsphase 1-9 für den Bau von 3 Mischwasserentlastungsanlagen Einzugsbereich KA Ravengiersburg mit folgenden Volumina - RÜB Kirchberg -Ost V = 1.080 m³ - RÜB Wüschheim V = 300 m³ - RÜB Reich V = 200 m³ incl. Drosseleinrichtungen (Abflussbegrenzer) vgl. Beschreibung aus Bedarfsermittlung

Closed Germany Koblenz Architecture & engineering services

Buyer Verbandsgemeinde Simmern-Rheinböllen

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Summary

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The contracting authority seeks technical design services (HOAI phases 1 to 9) for the construction of three combined wastewater overflow basins in the catchment area of the Ravengiersburg wastewater treatment plant: RÜB Kirchberg-Ost with 1,080 m³, RÜB Wüschheim with 300 m³ and RÜB Reich with 200 m³, each including throttle devices (flow limiters). A 2024 pollutant load calculation per DWA A-102 showed that existing and planned overflow structures exceed permissible discharge limits, so remedial measures in the sewer network are required. The tender covers the creation of additional retention volume to reduce combined water overflow volumes.

Description

Im Jahr 2024 erfolgte für das Einzugsgebiet der Kläranlage Ravengiersburg die Erstellung einer aktuellen Schmutzfrachtberechnung. Es sollte der Nachweis erbracht werden, dass der Schmutzstoffaustrag aus den vorhandenen bzw. geplanten Mischwasserentlastungsanlagen, im aktuell bestehenden und geplanten Einzugsgebiet der KA den Anforderungen nach DWA A-102 genügt. Im Ergebnis kann festgehalten werden, dass sowohl in der Bestands- sowie der Prognoseberechnung die mehre Faktoren nicht eingehalten werden und somit Sanierungsmaßnahmen im Kanalnetz erforderlich sind. Die erforderlichen Sanierungsmaßnahmen umfassen Änderungen an bestehenden RÜ‘s und dem RÜB Rödern, Anpassung von Drosselabflüssen, sowie die Schaffung von weiterem Rückhaltevolumen im Einzugsgebiet, um die Überlaufmenge von Mischwasser zu reduzieren. Nach Umsetzung der Sanierungsmaßnahmen können die Vorgaben für die Schmutzfrachtberechnung gemäß Arbeitsblatt DWA A-102 eingehalten werden. Im Weiteren wird nur die Maßnahme Schaffung von weiterem Rückhaltevolumen betrachtet.

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Source: TED - Tenders Electronic Daily (Publications Office of the EU)

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Last verified against TED - Tenders Electronic Daily (Publications Office of the EU) 1 week ago

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Verbandsgemeinde Simmern-Rheinböllen

Germany

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