Safety rules for works supervisors Reminder Safety rules for works supervisors EN Safety Office EDMS # 1749595

Fire ignition EHN1 Causes Consequences Actions No spark protection in place Safety documentation not clear Consequences Thousands of Swiss francs of damages (insurance in progress) High gravity potential Actions STOP of the works (1 day lost) Review of the safety documentation Safety measures ? Fire permit ? CERN or Contractor ?

Hand cut LHC Causes Consequences Actions Metallic clamp with a dangerous cutting part Difficult access Consequences Stitches on the right hand (occupational accident) Actions Repair all the dangerous parts on the QRL line Work reception ? Remaining hazards ?

Nearmiss ventilation maintenance Causes Consignation process confusion (communication chain) Lack of safety access Consequences Risk of direct contact with high voltage Actions Secure works at height Improve consignation procedures Electrical lockout ? Appropriate PPEs ?

Sickness LHC tunnel Causes Consequences Actions Not known yet (inquiry in progress) Consequences Minor injuries (3 days off) Lone worker without means of communication Actions ODH detector verification Emergency training Lone worker ? FB number ? Cell phone network ?

Safety obligation for Work Supervisors Before starting: PREVENTION PLAN – Write it with your contractor IMPACT – What, Where, When, Who, How, Safety VIC – Get everyone on board for the risk assessment, and make it approve Ask for advice from experts. Any time. Any where. Make sure all mitigation measures, rescue means and PPEs are in place During: Follow-up your works regularly on site Check that all safety measures and PPEs are still in place STOP the work if something looks wrong After the works: Carefully inspect the result Clean the workplace

Safety obligation for Work Supervisors Ensure the safety, global approach Analyse the activity Protect during the Accident Event Limite the gravity of the damages Prevention Protection Rescue Prevention Plan VIC IMPACT Visit (before, during, after) Personal Protective Equipment Means of communication Lone workers rules First aiders

Prevention 1) Identify the hazard … Co-activities and many others… 2) Assess the risk (Hazard + Activities) 3) Set up mitigation measures Substitution – Technical - Organisation – Personnal

Protection Personal Protective Equipment – Adequat and Appropriate

Everyone, everywhere shall be able to contact the Rescue Means of communication; Lone workers rules; First aiders CERN SIM Card EDH request 10CHF / month TETRA System IT Dept First Aider Always at least one in the activity area 74444 0041227674444 Appropriate Reachable Trained workers Everyone, everywhere shall be able to contact the 74444

 Conclusion Safety shortages are not always shorter ! http://cern.ch/safety-rules Works and services Supervisor GSI-WS-1 Lone working rules GSI-SH-2