Author: Samer Yammine (CERN)
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IT String: from leak non-conformity observation to first commissioning phase
The IT String is in its operational phase, with many lessons already learnt during the tests so far. The path to this phase – including detection and resolution of a non-conformity, and cooldown – has provided valuable insights and fostered strong collaboration across teams. Leak non-conformity: detection to resolution Following the successful completion of most…
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From Work Package deliverables to the fully integrated HL-LHC magnet circuits
By nature, HL-LHC magnet circuits span many different technical domains and teams. Two dedicated international reviews – in 2016 and 2019 – and three internal CERN reviews – in 2017, 2020 and 2023 – have helped shape the HL-LHC magnet circuits, the associated instrumentation and the constituting systems being prepared at CERN and throughout the…
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IT String – Completion of installation of major components and start of interconnection works
The HL-LHC IT String installation is entering its final phase in the SM18 building at CERN. All major components are now in place, following a series of installation and validation activities executed by the end of 2024 and beginning of 2025. These tasks have been carried out on schedule, within scope and following extensive preparations…
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IT String – results from SQXL commissioning and SCT, and preparations for installation of the cold powering system
The operation of the IT String represents a significant milestone for the HL-LHC Project as it is where many state-of-the-art technologies developed for the HL-LHC will operate collectively for the first time. The installation and commissioning of this unique test stand have seen relevant achievements in recent months. Cryogenic system tests The IT String cryogenic…