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The subject of the invitation to tender is the complete electrical renewal of an existing substation within the existing operational building. The existing building envelope remains unchanged; no structural modifications to the building are planned. The scope of performance includes in particular: - Dismantling and proper disposal of the existing electrical installations. - Delivery, installation, testing and commissioning of a new 110 kV switchgear system. - Delivery, installation, testing and commissioning of a new 10 kV switchgear system including a raised floor system in the switchgear area. - Delivery, installation, testing and commissioning of a new 0.4 kV low-voltage switchgear system. - Renewal of the DC auxiliary power supply including battery system and charging equipment. - New construction of the electrical building installations including lighting, socket-outlet systems and associated distribution boards. - Construction of new cable routes as well as routing, laying and connecting all power, control, protection and communication cables. - Rebuild of the protection and control technology as well as its connection and integration into the existing…

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