Bulgaria – Nuclear-power station construction work – Изпълнение на електромонтажни дейности по електрическо оборудване и оборудване от системи за контрол и управление на ядрени енергийни блокове 5 и 6 по време и/или свързани с плановите годишни ремонти през 2026 и 2027 година

Electrical installation activities ensure the maintenance or enhancement of the justified design capacity of systems and components, the performance of regulatory and supervisory requirements, the guarantee of the design reliability and availability of equipment from the technological systems of units 5 and 6. Their timely execution assists in achieving the goals set out in the Company's business programme. Electrical installation activities on common plant equipment improve the operating conditions of systems and components important for safety and production, ensure repairability, restore capacity and improve their operational appearance. The assigned activities cover: Construction of additional structures or modernization of systems and components participating in the logic for control and management of the reactor and turbine units, as well as optimization of the visualization of the information flow for the status of the equipment; Implementation of changes in the technical design of structures, systems and components participating in the schemes for signaling, management and protection of facilities; Replacement of power supply and control panels with expired operational capacity, morally obsolete and discontinued from serial production elements; Enhancement of the operational reliability and degree of protection of the intermediate connections of control signals for the reactor unit; Replacement of impulse lines of KIP sensors on equipment installed in the zone of action of environmental conditions HELB; Enhancement of the operational reliability and degree of protection of cables and cable connections of electrically controlled valves, participating in safety-critical systems and normal operation systems, electrical panels and electric motors; Improvement of the operational condition of cable management in the apparatus compartment, machine hall and hermetic volume; Improvement of the operational condition of communication systems; Improvement of the operational condition of structures, systems and components, bringing them into a better operational condition; Construction of new cable routes and laying of new cables, in connection with the implementation of new projects.