Delivery and Installation of Ventilation and Refrigeration Tender

• Country: Germany
• Summary: Delivery and Installation of Ventilation and Refrigeration Technology for Train Protection in the Messe Ost/Gruga Subway Station in Essen
• DET Ref No: 138289531
• Deadline: 20 Apr 2026
• Financier: Self Financed
• Purchaser Ownership: Government
• Tender Value: Refer Document
• Notice Type: Tender
• Document Ref. No.: 2026/EU 016 FE-E114
• Purchaser's Detail:
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• Description:
• Ruhrbahn GmbH (hereinafter Ruhrbahn, or client) is a transport company in the Ruhr area that ensures mobility in the cities of Essen and Mülheim by providing a public service contract. As part of the Complete renewal of the train control technology including electronic signal boxes (ESTW for short) requires the creation of new premises throughout the entire Ruhrbahn route network. One location for the realization of new signal box rooms is the Operating room level -1.5 at the subway station. East Trade Fair/Gruga. On level -1.5 of the subway station. Messe Ost/Gruga will house the new rooms for the electronic signal box and all the associated rooms for the technical department in the current train control rooms Building equipment implemented. The rooms will be converted in accordance with the requirements of the fire protection statement. The subject of this tender is the delivery and professional installation of ventilation and refrigeration systems, as well as the dismantling of inactive systems. The services advertised here include, on the one hand, the installation of a redundant cooling and air conditioning supply for a new relay room via two cold water air conditioning cabinets in the neighboring technical room Raised floor air ducting and use of existing fire dampers and, on the other hand, the production of a mechanical ventilation system for a new battery room with fire protection-secured supply and exhaust air, flow monitoring and explosion-proof Interpretation. In addition, the cooling of two new UPS rooms must be ensured using recirculating air conditioning cabinets with a cold water connection. The construction of a new ventilation system to ensure minimal air exchange in the technical rooms on level −1.5 with demand-dependent outside air proportion and constant volume flow controllers is also part of the advertised service. There are also two water-cooled chillers (refrigerant R290) including dry coolers, piping...
• Documents:

 Tender Notice