1. Safety @ Open Days 2019 focus on underground visits sites
Feed back from the ED

2. Safety strategy
05/11/2019
ED – Open days 2019

3. Safety strategy: Preventive measures
Electrical « Lock-out »(1)
Try to keep only “Service Généraux”
Secure UPS as much as possible
Cryo « Lock-out » (all gas in general as much as possible)(1)
Reduce storage as much as possible(2)
Safety signage: from the web to the LHC
Visitor pathways secure(2)
(1) TIOC 03/04, G. Cumer – (2) Underground safety visits 30/ /06
05/11/2019
ED – Open days 2019

4. Safety strategy: Radiation Protection
Memo RP “Radiation Protection requirements for Open Days 2019 visits in Radiation Areas” EDMS: /2 Date:
Point 4 : the emergency exit through Point 3 validated.
Radiation protection general information will be presented during the information sessions for the volunteers
A handout will be sent (before the sessions) to the site managers (if needed) with the information concerning what to do Before the OD, During the OD, After the OD from the RP point of view
On validation
IMPACT process to monitor CERN guide’s dose :
pilot test with ATLAS > OK ( )
Create all the IMPACTs :
05/11/2019
ED – Open days 2019

5. Safety strategy: Underground capacity
23/01/2019: Proposal of LHC underground visit WP Leaders reproduce OD2013 and LS1 condition (limitation of 3 per/m2 in safe zones)
from the study “LHC Evacuation Assessment for LS1”, EDMS
29/01/2019: Author of the study explain why it can not be extrapolated for OD2019
Public vs. workers, training, crowd management conditions (groups, distances, …)
22/02/2019: HSE proposes a different approach based on good practice in tunnel (with limitation of 2 per/m2 in safe zones)
05/11/2019
ED – Open days 2019

6. Safety strategy: Underground capacity
New approach:
Based on CETU(1) recommendation from «note d’information du CETU n°8 de novembre 1997 relative aux abris dans les tunnels routiers (§5 règlementation).»
Un abri est un local sûr, isolé du feu et ventilé, dans lequel les usagers ont la possibilité d'être en communication avec les agents de surveillance jusqu'à ce que la situation soit maîtrisée et que les équipes d'intervention puissent les évacuer (…)”
Surface - Capacité d'accueil : Pour un taux d'occupation de 2 personnes au mètre carré, un abri d'une surface de 50 m2peut accueillir 100 personnes. (…) On vérifie que l'abri peut contenir les usagers des véhicules arrêtés sur une file (160 véhicules par kilomètre) sur 400m à raison de1,3 personne en moyenne par véhicule. Ceci est le cas des véhicules bloqués dans un tunnel à un seul tube à deux voies, avec un trafic bidirectionnel. Les usagers qui se trouvent en aval de l'incendie sont censés pouvoir sortir en voiture. 
(1): “Centre d’Etude des Tunnels”,
05/11/2019
ED – Open days 2019

7. Safety strategy: Underground capacity
First theoretical impact prepared in February 2019:
1092 visits per hour to 996 visits: -8,7%
Main impact
ALICE 240 to 204,
CMS 300 to 240.
05/11/2019
ED – Open days 2019

8. CMS Safe zone
SDX5 W2
64 m2
18 m2
05/11/2019
ED – Open days 2019

9. Safety strategy: Underground capacity
05/11/2019
ED – Open days 2019

10. Safety strategy: Underground capacity
Vist/h
Vist/2d
3 pers/m2
1 026
20 520
2 pers/m2
1 005
20 100
Differential 2%
05/11/2019
ED – Open days 2019

11. Safety strategy: Technical support (for LHC part)
« Piquet Ascenseur » physically on each LHC site
« Piquet Ventilation » physically on each LHC site
« Piquet Electrique » physically on each LHC site
« Piquet RP » physically on several LHC sites
LEXGLIMOS (or deputy) physically on LHC site
Dedicated TI operator for OD Coordination centre (160)
Specific TETRA network in collaboration with IT
05/11/2019
ED – Open days 2019

12. Safety strategy: Emergency support
First-aid point with FB and hosts state support
41 Fire-fighters form CERN
44 Fire-fighters / Paramedic form hosts states
Underground guides and Crowed-Marshal trained ”CERN first aider”
« Piquet HSE Accident/prevention » physically on several LHC sites
05/11/2019
ED – Open days 2019

13. Safety strategy: Training for volunteer
Mandatory Courses (CERN personel)
OD2019 "Gestes qui sauvent"
Radiation Protection
Communication OD 2019
Roles
Vest color
Safety at CERN
Emergency Evacutaion
Radiation protection Awareness
Fire extinguisher for OD2019
First aider OD2019
Defibrillator OD2019
Radiation protection Supervised Areas
Tetra OD2019
General Session OD2019
Visit and Evacuation Itinerary OD2019
Check-in tent
Flow Control x
(x)
Gate agent
​Crowd Marshal
OD Flow Updaters
T-Shirt
​Underground Guide
Guide
Surface ​Guide
x (si ZS)
​Activity Animator
​Lecturer
Info Agent
Info
Shop
​Traffic/parking
Traffic Parking
(X)
Logistics Helper
Organisation
Site Manager
Safety/1st Aid
White cross
@ LMS
Amphitheatre
TBD
Already available
June -> August
September
05/11/2019
ED – Open days 2019

14. People with limited mobility
05/11/2019
ED – Open days 2019 – EDMS

15. People with limited mobility in LHC
Special pathways technically accessible for wheelchair
ED – Open days 2019

16. People with limited mobility in LHC
Emergency plan made in collaboration with hosts states
Inspire by FR/CH regulations
Dispositif previsionnel de secours (FR)
Directives pour l’organisation du service sanitaire lors de manifestations (CH)
Define a “ratio” of resources after analysis based on:
Effectif et comportement du public ;
Caractéristiques de l'environnement et accessibilité du site ;
Délai d'intervention des secours publics, …
05/11/2019
ED – Open days 2019

17. People with limited mobility in LHC
Based on
resources already found and CERN Fire Brigade initial analysis
Still 20 external Fire-fighters / Paramedic to be found
Memo about Rescue Operations and Handicapped visitors - OD2019
EDMS
Each point with limited mobility public needs
4 external Fire-fighters and 1 CERN Fire-fighter pre-positioned with one fire truck “dedicated”
Very low chance to found adequate resources for the 3 LHC points
05/11/2019
ED – Open days 2019

18. People with limited mobility in LHC
Proposal:
Make it possible for point LHC5 – CMS (already almost done)
Extend to LHC6 is not recommended
Extend to LHC4 is not recommended
05/11/2019
ED – Open days 2019 – EDMS

20. ED – Safety @ Open days 2019 – EDMS 2166516
Back-up slides
05/11/2019
ED – Open days 2019 – EDMS

21. ED – Safety @ Open days 2019 – EDMS 2166516
Web
Ticketing / print
Site entry (A0): Meyrin, Prevessin, LHC … 11
Group forming area (A1) 35
LHC lifts (A2) 5
05/11/2019
ED – Open days 2019 – EDMS

22. ED – Safety @ Open days 2019 – EDMS 2166516
05/11/2019
ED – Open days 2019 – EDMS

23. At 3.8 persons/m2 movement ceases
Maximum admissible crowding in safe zones
3 persons/m2
4 persons/m2
3 ≤ d ≤ 4
Tolerated only
for very short periods
d < 3
Acceptable
d > 4
Not acceptable
Nominal value 3 persons/m2
Maximum value 4 persons/m2
Art. L 3 of the ERP regulation fixes a maximum crowding of 3 persons/m2 for people attending an event in a room without chairs or benches.
From the study “LHC Evacuation Assessment for LS1”, EDMS
At 3.8 persons/m2 movement ceases
Point
Underground zone
Nominal max
occupants n. (3 pp/m2) 5
US56 63
EDMS No V2
S. La Mendola DGS/SEE

24. ED – Safety @ Open days 2019 – EDMS 2166516
05/11/2019
ED – Open days 2019 – EDMS