Ingenieurleistung zur Planung zum BV Neubau Kläranlage Klöden

Question: What is the contract timeline?

Context: Contract start date, end date, total duration, and any key milestones or phases mentioned. Return null if not stated.

The contract timeline, including the explicit contract start date, end date, and total duration, is not explicitly stated in the provided documents.

However, the following related dates and phases are mentioned:

• The application deadline is 17.09.2026 at 10:00.
• The binding period for offers ends on 16.10.2026.
• The documents were last updated on 17.08.2026 at 15:27.
• Key milestones for the planning services are categorized into nine Leistungsphases (service phases) according to HOAI 2021, including:
• Leistungsphase 1: Grundlagenermittlung (Basic evaluation)
• Leistungsphase 2: Vorplanung (Preliminary planning)
• Leistungsphase 3: Entwurfsplanung (Draft planning)
• Leistungsphase 4: Genehmigungsplanung (Approval planning)
• Leistungsphase 5: Ausführungsplanung (Execution planning)
• Leistungsphase 6: Vorbereitung der Vergabe (Preparation for awarding contracts)
• Leistungsphase 7: Mitwirkung bei der Vergabe (Assistance in awarding contracts)
• Leistungsphase 8: Bauoberleitung (Construction supervision)
• Leistungsphase 9: Objektbetreuung und Dokumentation (Object support and documentation)

The documents refer to "Ausführungsfristen" (execution deadlines) and "folgende Einzelfristen sind Vertragsfristen" (the following individual deadlines are contractual deadlines) but direct to "siehe Leistungsbeschreibung" (see performance description) for further details, which are not provided in the current snippets.

The core scope of work for this tender is the provision of engineering services for the planning of the new construction of the Klöden wastewater treatment plant ("Ingenieurleistung zur Planung zum BV Neubau Kläranlage Klöden"). The primary service requested is "Planungsleistung" (planning services).

The statement of work summary details planning services across various disciplines, aligned with the HOAI 2021 regulations, and includes the following core deliverables and phases:

• Planning services for Freianlagen (outdoor facilities) as per § 39 HOAI 2021, encompassing phases from basis of design (Leistungsphase 1) to object support and documentation (Leistungsphase 9).
• Planning services for Verkehrsanlagen (traffic facilities) as per § 47 HOAI 2021, covering phases from basis of design (Leistungsphase 1) to object support and documentation (Leistungsphase 9).
• Planning services for Ingenieurbauwerke (engineering structures) as per § 43 HOAI 2021, including phases from basis of design (Leistungsphase 1) to object support and documentation (Leistungsphase 9).
• Planning services for Tragwerksplanung (structural engineering) as per § 51 HOAI 2021, covering phases from basis of design (Leistungsphase 1) to preparation for procurement (Leistungsphase 6).

The general service phases involved across these planning areas typically include:

1. Basis of design (Grundlagenermittlung)

2. Preliminary design (Vorplanung)

3. Design (Entwurfsplanung)

4. Approval planning (Genehmigungsplanung)

5. Execution planning (Ausführungsplanung)

6. Preparation for procurement (Vorbereitung der Vergabe)

7. Assistance in procurement (Mitwirkung bei der Vergabe)

8. Construction supervision (Bauoberleitung)

9. Object support and documentation (Objektbetreuung und Dokumentation)