[3532] CTRM UPS replacement

The CTRM DATA CENTER is currently powered by 3 UPS (Uninterruptible Power Supply) of 100kVA each installed in 2006. These UPS have reached the end of their life. No more spare parts are available This CFT includes: - the supply and installation of 2 inverters of 200 KVA with lithium battery solutions. - the removal and evacuation of the old UPS - the supply and installation of 2 electrical cabinets sized for the connection of all Bypass and Utility cables (from 70mm² to 185mm²) - the modification of an existing LVDB (SCHNEIDER OKKEN) with the installation of a 630A circuit breaker. - modification of an existing cabinet for the power supplies of the main network with the installation of two 400A circuit breaker. - modification of the cable trays and existing cables. The work will be carried out in several phases, starting in December 2025 and during other ESRF closure periods. Companies based outside France are subject to French Law on "Temporary posting of workers in France" (attached)