Planning services for the planned construction of 110 kV cable lines between the substations Nord and Mitte

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RheinNetz GmbH is planning new cable routes of the 110 kV voltage level to secure the supply of the Cologne city area on the left bank of the Rhine. In order to ensure the power supply in the 110 kV range, the substation (hereinafter referred to as UW) in the middle and the UW in the north are to be connected via a so-called transport route. The transport route comprises a georedundant cable connection, i.e. the laying of 2 cable systems, each with a cable system in an approximately 0.6 m wide lean concrete block (offer phase Annex 5.6). In order to comply with the redundant supply, the two cable systems must be located in spatially separated streets (georedundanz), but at least on opposite sections of a common road in the case of a borderline. As part of a preliminary planning (feasibility study), various route variants were examined. The overall project is called TRICOL (Triangle Cologne) and consists of three sub-projects. The subject of this invitation to tender is exclusively a sub-section of the TRICOL 2 project, which provides for the connection between UW Nord (offer phase Annex 5.4) and the connection point (AP) Kurt-Hackenbergplatz (offer phase Annex 5.5). Project structure TRICOL 2 (Appendix 5.1) The project TRICOL 2 is divided into two main sections with different planning stages: • TRICOL 2A (Tender phase Annex 5.2) o This section has already been examined in the context of the preliminary planning. The preferred road variant is approximately 5,101 m long in Appendix 5.2 of the offer phase as TRICOL 2. • TRICOL 2B This section consists of two subsections: o TRICOL 2B.1 Part of the TRICOL 1B route (offer phase Annex 5.3) from UW Nord to AP Grabenstraße, approx. This service is not part of this call for tenders and has already been considered in the context of the preliminary planning TRICOL 2. o TRICOL 2B.2 The route section between AP Grabenstraße and AP Kurt-Hackenbergplatz (offer phase Annex 5.5) is about 3 km long. This section is part of the tendered planning service and has not yet been examined in the context of the preliminary planning TRICOL. Project description for the project Transport route UW NOR- UW WITH classification: Confidential status: 07.08.2025 RheinNetz GmbH 4 out of 7 Overall, the route search (performance phase 1-2 according to HOAI) takes place over a length of about 3 km. The further planning services (performance phases 3-8 according to HOAI) are to be carried out over a length of approximately 8.1 km (TRICOL 2A and TRICOL 2B.2). All sections start at UW Nord and end at Kurt-Hackenberg-Platz. A section runs through an existing KVB underground tunnel, which is not part of the call for tenders. Likewise, the section from AP Waidmarkt to UW Mitte is not part of the advertised service. The cable laying is mainly made in open trench construction. Only at neuralgic points (e.g. railway tracks, crossings, etc.) is the production carried out in underground construction.

Electronic via:
https://www.subreport.de/E21757292

Electronic submission: required
https://www.subreport.de/E21757292

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DE Deutschland
DEA23 Köln, Kreisfreie Stadt

71323100 - Electrical power systems design services

71000000 - Architectural, construction, engineering and inspection services

71322000 - Engineering design services for the construction of civil engineering works

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