4460003_KW_Hilden Planung zur Ertuechtigung und Teilerneuerung der Schlammfaulung

The contract timeline is approximately 4 years and 6 months, beginning in the 3rd Quarter of 2024 with "Planung LP 1-3" and concluding by Monday, January 1, 2029, with the "Inbetriebnahme Faulbehälter".

Key milestones and phases include:

• Planungsleistungen (Planning services):
• "Planung LP 1-3" starting in Q3 2024 and lasting until approximately December 12, 2025.
• "Genehmigung" (Approval) on December 12, 2025.
• "Planung LP 5-6" from December 15, 2025, to April 3, 2026.
• Vergabe (Awarding of contracts):
• "Vergabe Rückbau und Demontage" (Awarding of demolition and dismantling) from April 6, 2026, to May 22, 2026.
• "Vergabe Bautechnik" (Awarding of civil engineering) from April 6, 2026, to May 22, 2026.
• "Vergabe Maschinen- und EMSR-Technik" (Awarding of mechanical and EMSR technology) from April 6, 2026, to May 22, 2026.
• Rückbau und Neubau (Demolition and New Construction):
• "Rückbau Nacheindicker (Bj. 1956) und Faulbehälter (Bj. 1956)" (Demolition of post-thickener and digester) from June 8, 2026, to September 25, 2026.
• "Neubau Schlammstapelbehälter" (New construction of sludge storage tank) from September 28, 2026, to January 15, 2027.
• "Inbetriebnahme Schlammstapelbehälter" (Commissioning of sludge storage tank) from January 18, 2027, to February 12, 2027.
• "Sanierung Faulbehälter (Bj. 1984)" (Refurbishment of digester) from February 15, 2027, to May 12, 2028.
• "Neubau Faulbehälter" (New construction of digester) from March 16, 2027, to August 14, 2028.
• "Neubau Schlammpumpwerk" (New construction of sludge pump station) from May 11, 2027, to December 6, 2027.
• "Inbetriebnahme Faulbehälter" (Commissioning of digester) from May 15, 2028, to September 29, 2028, and again from August 15, 2028, to January 1, 2029.
• "Rückbau Faulbehälter (Bj. 1984)" (Demolition of digester) from October 10, 2028, to November 20, 2028.

The engineering services are structured in processing stages (Bearbeitungsstufen) corresponding to HOAI service phases, with "Bearbeitungsstufe 1" covering LPH 1-4 being initially commissioned.

The core scope of work for this tender involves planning services for the upgrade and partial renewal of the sludge digestion tanks/sludge digestion at the Hilden wastewater treatment plant.

The core deliverables, categorized as "Grundleistungen" (basic services) according to HOAI (Honorarordnung für Architekten und Ingenieure - Fee Schedule for Architects and Engineers), span various service phases (LPH 1-9 or LPH 1-6 for specific areas) and include:

• Objektplanung Ingenieurbauwerke (Object Planning for Engineering Structures) as per § 43 HOAI in conjunction with Annex 12, covering service phases 1 to 9.
• Fachplanung Technische Ausrüstung (Specialist Planning for Technical Equipment) as per § 55 HOAI in conjunction with Annex 15, covering service phases 1 to 9.
• Fachplanung Tragwerksplanung (Specialist Planning for Structural Engineering) as per § 51 HOAI in conjunction with Annex 14, covering service phases 1 to 6.

In addition to these basic services, the tender also explicitly requires the following "Besondere Leistungen" (special services):

• Local construction supervision for the "Objektplanung Ingenieurbauwerk," which includes the review of additional claims/amendments.
• Creation of interdisciplinary operating instructions.
• Updating of execution plans to reflect the as-built condition.
• Where applicable, adaptation of Ex-protection documents.