1. 16/09/04 - 1 Open Day at CERN 16/10/04 The Open Day working group Activities General access rules Visitors flow Safety measures of the visit points Active safety Vicinity of visit points Questions – Remarks Follow up

2. 16/09/04 - 2 Open Day at CERN 16/10/04 Visit PointMain activity ACCELERATOR FACTORY B181 visites guidées expo (panneaux, stand) démos (non interactives) AD B193visites guidées ADVANCED TECHNOLOGIES B14 expo (panneaux, stand) presentation démos (non interactives) manipulations (interactives) ALICE PA2 visites guidées presentation animation pour les petits Activities

3. 16/09/04 - 3 Open Day at CERN 16/10/04 ANIMATIONS B501 animation micromagie indoor animation micromagie outdoor ATLAS HALLS B180+191 visites guidées expo (panneaux, stand) animation manipulations (interactives) ATLAS P1 visites guidées expo (panneaux, stand) presentation ATLAS PREVESSIN B887visites guidées B173manipulations (interactives) CHATEAU D'EAU B227animation pompiers CLIC B 2008 visites guidées expo (panneaux, stand)

4. 16/09/04 - 4 Open Day at CERN 16/10/04 CLUBS PREVESSIN B984 manipulations (interactives) expo (panneaux, stand) CMS CRYSTAL PALACE B168 expo (panneaux, stand) démos (non interactives) animation pour les petits CMS CRYSTALS B27 visites guidées expo (panneaux, stand) démos (non interactives) CMS PA5 visites guidées expo (panneaux, stand) CMS TRACKER B186 B expo (panneaux, stand) démos (non interactives) CMS VFCAL B186 A visites guidées expo (panneaux, stand) COMPUTING CENTRE B513 visites guidées presentation

5. 16/09/04 - 5 Open Day at CERN 16/10/04 CRYOLAB B165démos (non interactives) EXPLORER B171 visites guidées expo (panneaux, stand) FIRE BRIGADE B65 expo (panneaux, stand) animation pompiers visites guidées presentation GRID CAFE B504 expo (panneaux, stand) manipulations (interactives) KINDERGARDEN B562animation pour les petits LEGO LAND B904visites guidées LHCb PA8 visites guidées expo (panneaux, stand) LINAC/LEAR B371visites guidées MAIN BUILDING B500animation théâtre

6. 16/09/04 - 6 Open Day at CERN 16/10/04 MEZZANINE B60expo (panneaux, stand) MICROCOSM B143visites guidées NON MEMBER STATES EXPO B130 Reception-Shop SM18 visites guidées démos (non interactives) manipulations (interactives) SMA18 visites guidées démos (non interactives) SPS CONTROL ROOM PREV. B874visites guidées SUPERCONDUCTIVI TY B163 visites guidées expo (panneaux, stand) TCR B212 visites guidées expo (panneaux, stand) TERA B182 visites guidées expo (panneaux, stand)

7. 16/09/04 - 7 Open Day at CERN 16/10/04 General access rules No free access – zone off visits defined Shuttle Service obligatory Access to CERN sites less than 16 years only accompanied NO access to underground less than 6 years Access to underground less than 10 years an adult for each child. Maximum size of groups: 12 per guide Information of visitors concerning risks and behaviour

8. 16/09/04 - 8 Open Day at CERN 16/10/04 Veuillez noter que l’accès aux zones en souterrain est interdit aux moins de 6 ans. Les jeunes de moins de 10 ans doivent être accompagnés par un adulte pour chaque enfant. A partir de 10 ans, les étudiants devront être accompagnés par un adulte tous les 12 participants. Les visites sont guidées. Des chaussures fermées et sans talon sont à utiliser pendant la visite souterraine.

9. 16/09/04 - 9 Open Day at CERN 16/10/04

10. 16/09/04 - 10 Open Day at CERN 16/10/04 Visitors flow

11. 16/09/04 - 11 Open Day at CERN 16/10/04

12. 16/09/04 - 12 Open Day at CERN 16/10/04

13. 16/09/04 - 13 Open Day at CERN 16/10/04 Safety measures of visit points Mechanical Safety Electrical Safety Chemical Safety Radiological Safety Gas Safety Fire Safety Risk of Fall Functioning alarm systems Preliminary Check Final Check By SC-GS

14. 16/09/04 - 14 Open Day at CERN 16/10/04 Active Safety Stand by of SC on Open Day Alarm Center: Fire Brigade Central First Aid point (Medical Service) Central Fire Station (FB) Fire Engine Prevessin First Aid Points at Entrance A, Prevessin, P.2+5 Fire Fighter Post at Points 2,5,8

15. 16/09/04 - 15 Open Day at CERN 16/10/04 Vicinity of visit points The safety and access leathers to roofs are at CERN generally not protected as in public areas. To climb up is possible for everybody.

16. 16/09/04 - 16 Open Day at CERN 16/10/04 Cooling installations have protections but in some cases the space can be dangerous for children who want to look in.

17. 16/09/04 - 17 Open Day at CERN 16/10/04 At CERN exist many possibilities to climb on constructions or concrete blocks. That can cause the risk of fall.

18. 16/09/04 - 18 Open Day at CERN 16/10/04 Chemical hazards cryogenic risks are indicated and protected. But these protection measures are not sufficient against manipulations that can cause dangerous injuries The flaps to underground galleries are generally not closed by keys or other save measures.

19. 16/09/04 - 19 Open Day at CERN 16/10/04 Different risks…

20. 16/09/04 - 20 Open Day at CERN 16/10/04 Summery Absolute safety is not feasible Relative safety should be at maximum

21. 16/09/04 - 21 Open Day at CERN 16/10/04 Questions and Remarks wanted !

22. 16/09/04 - 22 Open Day at CERN 16/10/04 Follow up Individual consultations for problems Final Check of visit sites Final Planning for underground visits next week Pre-checking of underground visit tours Final-check of underground tours (2-3 days before 16th) …

23. 16/09/04 - 23 Open Day at CERN 16/10/04 The End