Kommunalunternehmen Stadtwerke Schrobenhausen Vergabe von Planungsleistungen zur Erweiterung der Wärmeerzeugungsanlagen des Wärmenetzes in Schrobenhausen, Leistungsphasen 2 bis 9

The contract timeline includes a binding deadline for the completion of all services in "Stufe 1" (Phase 1) by June 11, 2027.

The overall project timeline, as detailed in the "Zeitplan" (Time schedule), spans from August 2026 to August 2028.

Key milestones and phases mentioned are:

• August 2026: Completion of the transformation plan and application for BEW-Module 2.
• August 2026 - February 2027: Tendering for HOAI phases 2-4.
• October 2026 - April 2027: Tendering for material and implementation work.
• October 2026 - June 2027: Planning up to HOAI phase 7.
• February 2027: Grant approval for BEW-Module 2.
• March 2027: Completion of HOAI phases 2-4 (BEW-Module 1).
• June 11, 2027: Deadline for funded services under BEW-Module 1.
• June 2027: Start of implementation work.
• June 2027: Proof of use for BEW-Module 1.
• May 2028: Commissioning of the heat pump.

The contract also outlines several performance stages (Leistungsstufen) and phases (Leistungsphasen):

• Stufe 1: Includes preliminary planning (Leistungsphase 2), design planning (Leistungsphase 3), and approval/submission planning (Leistungsphase 4).
• Stufe 2: Covers execution planning (Leistungsphase 5).
• Stufe 3: Involves preparation for awarding contracts (Leistungsphase 6) and assistance with awarding contracts (Leistungsphase 7).
• Stufe 4: Focuses on object supervision and documentation (Leistungsphase 8).
• Stufe 5: Pertains to object support (Leistungsphase 9).

The core scope of work for this tender involves providing engineering services for the expansion of the heating generation facilities within the existing heating network in Schrobenhausen. The central element of this project is the establishment and integration of a wastewater large heat pump (1,500 kW) into the existing heating network. This includes several key components and planning services:

Core Deliverables and Statement of Work Summary:

• Engineering Services for the Integration of a Wastewater Large Heat Pump: This encompasses the planning, establishment, and integration of the heat pump into the existing heating network.
• Wastewater Heat Exchanger: Integration planning is required.
• Buffer Storage: Planning for a central buffer storage unit with a volume of approximately 800 to 1,000 m³, including variant studies (pressure/pressureless), hydraulic concepts, and integration into the generation and network hydraulics, as well as safety and MSR concepts.
• Hydraulic Integration: Planning for the hydraulic integration of the new heat generation systems into the existing heating center, including analysis, bottleneck checks, return temperature optimization, overall hydraulic scheme, and operational and control concepts.
• MSR Adaptations (Measurement, Control, and Regulation Technology): Planning for the electrical equipment and MSR technology, including required connection capacity, integration into existing main distribution, switchgear, cable systems, and a metering concept for the heat pump, CHP, PV systems, and heating network.
• Associated Engineering Structures (§ 43 HOAI): This includes the planning for an outlet structure/structures for wastewater connection (adaptation or new construction for heat exchanger integration) and the planning for the buffer storage foundation.
• Required Structural Planning (§ 51 HOAI): This involves static planning for the buffer storage foundation and other necessary structural proofs for the outlet structure and additional constructions.
• Fulfillment of Project and Planning Goals: The contractor is responsible for all services related to technical equipment, engineering structures, and structural planning necessary for the success of the project and the achievement of planning goals.
• Compliance with Standards: Adherence to the service description (Anlage 1) and the technical requirements of Modules 1 to 4 of the "Bundesförderung für effiziente Wärmenetze" (BEW) guideline (Anlage 2).
• Service Phases (Leistungsstufen): The services are divided into several stages corresponding to HOAI phases, with Stage 1 (Preliminary Design, Draft Design, Approval/Application Design) and Special Services being commissioned initially. Subsequent stages (Execution Planning, Preparation for Award, Assistance in Award, Object Supervision and Documentation, Object Support) are optional.
• Special Services (Besondere Leistungen):
• Funding application support (BEW).
• Economic and variant studies for up to three combinations of generators and storage units based on an energetic simulation of the overall system.