Tag: General
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Organising and coordinating activities during LS3: a shared responsibility
Written by: HSE Department & LS3 coordinator — 17 June, 2026 LS3 is set to be a busy period for CERN, with a wide range of activities taking place across the accelerators, experiments and buildings on the site – from construction, maintenance and upgrades, to consolidation and installation work, transport operations, tests and more. When
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Electrical Safety Awareness Day | Join us on 25 June in Restaurant 2 to learn more about electrical risks and how to mitigate them
Written by: HSE Department — 17 June, 2026 Electricity powers our world, but how confident are you with it? Are you switched on to electrical safety best practices, or could your knowledge use a spark to ensure that you and others stay safe? We all interact with electricity every day, but we may be less
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Summer is coming, and so are the wasps!
What to do if you find a wasp nest or get stung Written by: HSE Department — 17 June, 2026 Wasps are a nuisance that unfortunately come hand in hand with warm spring days. Here are a few tips to help minimise their presence so that we can enjoy the outdoors in peace: Enjoy the
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LS3 Safety Spotlight: be road safe
Written by: HSE Department 04 June, 2026 As CERN prepares for LS3, road safety – one of the nine newly approved CERN Safety Fundamentals – is more critical than ever. Increased traffic, movement of equipment and a higher density of people and vehicles across the site raise the risk of accidents. In 2024 and 2025,
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Safe charging of portable lithium batteries
Some precautions to bear in mind in order to minimise the fire risk from the use of lithium batteries Fires caused by lithium batteries sporadically make the news, and CERN is not immune from this phenomenon. CERN has experienced several fires caused by a lithium battery in the course of being charged. The subsequent investigations
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Ready for Heatwaves
A reminder of CERN’s Organization-wide Heatwave Action Plan Written by: HSE Department — 26 May, 2026 As spring gives way to summer, we must stay prepared for whatever the season brings – especially when it comes to periods of intense heat. MeteoSwiss declares a heatwave when average temperatures exceed 25°C for at least three consecutive
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IMPACT undergoes a transformation: new interface launched for LS3 readiness
An upgraded version of IMPACT, a tool used to manage CERN’s permit-to-work processes, is now available for testing Written by: HSE Department — 21 May, 2026 Work to improve IMPACT, CERN’s Intervention Management Planning and Coordination Tool, has reached a major milestone. After several years of upgrade work and extensive user consultation, the “IMPACT declaration”
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Save the date! CERN Safety Day – 4 June: keeping ourselves and each other safe
Written by: HSE Department — 21 May, 2026 Every day at CERN, we all face a variety of risks, from potential trips and falls to activity-specific hazards. Safety starts with you. On 4 June, join the HSE Department and collaborating teams at Restaurant 1 and in the Main Building for an interactive CERN Safety Day.
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A collective commitment to safety as LS3 approaches
CERN is soon to enter a demanding and important phase in which safety will be more important than ever. The third Long Shutdown (LS3) is a key step in preparing the accelerator complex and infrastructure for the High-Luminosity LHC (HL-LHC). The scale and complexity of the LS3 work will be felt by all of us,
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Fire safety at CERN: the importance of evacuating safely
25 March, 2026 | By HSE department CERN’s vast site hosts a variety of buildings and installations, as well as diverse groups of people, from seasoned personnel to first-time visitors. Fire safety measures are implemented to protect this diverse population, but also CERN’s costly infrastructure and the environment. Ensuring safe evacuation is a priority in