If you require support, guidance or clarification on any Safety matter, please contact the CMS Safety Office. We are available to assist with work planning, risk assessments, safety reviews, emergency preparedness and all aspects related to the safe execution of CMS activities. Contact us!
We reach and and you can reach via different channels:

The CMS Safety Website is the central source of safety information for the experiment. It provides access to procedures, guidance, risk assessment tools, training requirements, emergency information, safety systems, templates and useful resources.
Email is used to communicate:
- Safety notices and important announcements
- Planned activities that may affect personnel or operations
- Temporary hazards or disruptions
- Lessons learnt from incidents and events
- Requests for safety actions or follow-up


Safety Meetings
Safety is regularly discussed during:
- CMS Technical Coordination meetings (daily, P5 TC, TC, CONEX-5, TIG)
- LS3 Coordination Meetings
- Safety Link Persons Forum
- EP/LEXGLIMOS Forum
- Detector and project meetings
- CMS Weeks
- Dedicated safety reviews and work package meetings
These meetings provide an opportunity to discuss ongoing activities, identify risks, coordinate interfaces and define preventive measures (General Safety Indico reference).
Toolbox Talks and Safety Briefings
Short safety briefings can be organised before complex or high-risk activities to:
- Ensure everyone understands the planned execution
- Review the planned work
- Discuss hazards and safety measures
- Clarify roles and responsibilities


Safety Campaigns
The CMS Safety Office periodically promotes awareness campaigns focusing on specific topics such as:
- Housekeeping
- Electrical safety
- Fire prevention
- Emergency preparedness
- LS3 safety
- Etc.
Safety Checks, SEAMSES and Walkthroughs
Periodic checks and workplace visits provide an opportunity to:
- Identify unsafe conditions
- Share good practices
- Discuss improvements directly with teams
- Follow up corrective actions
These interactions are an important communication channel between the Safety Office and the CMS community.


Lessons Learnt (REX)
Significant incidents, near misses and good practices are reviewed to identify lessons learnt and opportunities for improvement.
Sharing operational experience helps prevent recurrence and contributes to the continuous improvement of safety performance across CMS.
Safety communication is a shared responsibility.
Every member of the CMS community is encouraged to:
- Report unsafe conditions or concerns
- Share lessons learnt and good practices
- Participate actively in safety meetings and briefings
- Raise questions whenever safety requirements are unclear
- Contribute to a positive and proactive safety culture
