ATLASsafety

Safety in the ATLAS Experiment: 

ATLAS Safety Structure Working Organization at Point 1 ATLAS Underground Safety Environment Accident and Near Misses Safety in the ATLAS Experiment

Slide2: 

ATLAS Safety Structure

ATLAS Safety Structure : 

DSO Department Safety Officer ATLAS Safety Structure PH Department head GLIMOS Group Leader in Matter of Safety FGSO (Flammable Gas Safety Officer) RSO (Radiation Safety Officer) CSO (Cryogenic Safety Officer) LSO (Laser Safety Officer) Buildings TSOs (Territorial Safety Officer) Deputy GLIMOS ATLAS EAM Manager ATLAS Counting Room Manager EAM Safety Team Safety coordinators Safety Commission ATLAS Technical Coordinator

ATLAS Safety Resources : 

ATLAS Safety Resources ATLAS EAM Manager : ATLAS Experimental Area Manager Chairs the Work Package Analysis meetings, controls the entire WP process Chairs the EAM Weekly meeting where all safety aspects linked to ATLAS experimental area are addressed and ensures the follow up of the decided safety actions Manages the Safety Team TSO of UX15 cavern Reports to Technical Coordinator, GLIMOS EAM Safety Team 4 persons in charge of day to day safety issues at point 1 including work outside normal working hours : control of all safety aspects in ATLAS experimental areas, assist ATLAS teams for the safety aspects of their activity, safety work in ATLAS Experimental area, etc.. Report to EAM Manager

ATLAS Safety Resources : 

ATLAS Safety Resources ATLAS Counting Room Manager : In charge of safety issues in the Underground Counting Rooms Chairs the Work Package Analysis meeting for WP concerning counting rooms and controls the entire WP process Reports to Technical Coordinator, GLIMOS 2 Safety Coordinators They monitor the implementation of all safety measures in ATLAS experimental area. Advice and report to the project line management: CERN/ATLAS work package managers persons with delegated responsibility in Safety: e.g. with priority to GLIMOS, DSO, TSO’s , etc…

ATLAS Safety Structure : 

ATLAS Safety Structure

Slide7: 

Working Organization at Point 1

Working Procedure at Point 1 : 

Working Procedure at Point 1 ATLAS Safety Web Page

Working at Point 1 Work Package Procedure : 

Working at Point 1 Work Package Procedure All installation or commissioning activity in ATLAS Experimental Area : is declared in a so called Work Package (WP) in advance and documented is agreed with the Technical Coordination is integrated in the ATLAS General Planning to avoid dangerous overlapping This covers all type of activity : infrastructure or detector installation, commissioning, maintenance works, moving of heavy objects, etc …. The work package is declare active only when all crucial technical and safety issues have been reviewed and agreed in a Work Package meeting and a Joint safety inspection.

Working at Point 1 Work Package Procedure : 

Working at Point 1 Work Package Procedure The request of work is announced to the ATLAS Technical Coordination and the start of work date is agreed and inserted in the ATLAS installation schedule - The Work Package documentation is sent to the EAM or Counting Room managers – 4 weeks before start - Work Package Analysis Meeting – 2 weeks before work starts - Joint Safety inspection – 1 week before starts - During the working period : permanent control of the EAM safety team, punctual safety control from the GLIMOS and the Safety Coordinators ( at the weekly safety visit and during our daily visits)

Work Package Analysis Meeting : 

Work Package Analysis Meeting WP Meeting is chaired by the EAM Manager or the Counting Room manager (in case of activities in ATLAS counting rooms) with required participation of the Work Package leader (Technical responsible of the activity) and the Safety Coordinators. During the WP meeting the following documentation (provided by the WP leader) is analyzed : Short description of the work to be done List of personnel and special authorizations or training List of material to be use and certifications Schedule of operations Requirement for transport, crane use, storage areas, etc.. List of sign off documents required before start of work Agreement of Safety documentation signed between SC department Head, ATLAS concerned project leader and ATLAS GLIMOS Safety assessment - PPSPS (Special Safety and Health Protection Plan )

Work Package Analysis Meeting : 

Work Package Analysis Meeting

PPSPS – Special Safety and Health Protection Plan : 

PPSPS – Special Safety and Health Protection Plan This document filled by the WP leader details the special risks associated to the work to be performed and proposes counter safety measures to limit the risks and prevent occupational accidents and illnesses. Special risks :  Working at heights  Using of lifting cabs (nacelles)  Hot work (welding etc.)  Working with flammable gases  Working with chemicals and solvents  Working near high voltage installations  Transport and use of radioactive sources or materials  Use of non-ionizing radiation, such as lasers  Cryogenics work  Working in confined spaces

PPSPS – Special Safety and Health Protection Plan : 

PPSPS – Special Safety and Health Protection Plan PPSPS example : https://edms.cern.ch/file/801871/1/PPSPS_example.doc

Joint Safety Inspection in situ : 

Joint Safety Inspection in situ The WP meeting is followed by a Joint Safety Inspection in the work site with EAM or Counting room manager, the WP leader and the Safety coordinators : to check that all safety measures required have been implemented to authorize the beginning of the activity.

Working at Point 1 ATLAS Experimental Area : 

Working at Point 1 ATLAS Experimental Area GLIMOS Weekly Safety Report Every week, the GLIMOS accompanied by the Safety Coordinators are doing an underground safety inspection . The report is analyzed in the EAM weekly meeting (Tuesday at 9:00 am) and Technical or Organizational corrective actions are immediately taken. https://edms.cern.ch/document/799105/1

Access to ATLAS Undergrounds: 

Access to ATLAS Undergrounds To be granted access underground the following requirements have to be Fulfilled : 1- Be part of an active Work Package 2- Possession of a valid CERN access card (issued by the CERN registration service) 3- Be granted with the ATLAS U (LHC-12 and eventually LHC-24 to access US15) access rights 4 - Have attended the CERN general safety courses 1, 2, 3 (soon Web Based) 5 - Have succeeded the specific level 4A ATLAS safety course (Web Based) Detailed in ATLAS Web Page

Level 4A ATLAS specific safety course : 

Level 4A ATLAS specific safety course In 4 months, about 2500 persons have passed the level 4A course In preparation : General Electrical Safety Course Web Based

Slide19: 

ATLAS Underground Safety Environment

Main risks in ATLAS undergrounds: 

Main risks in ATLAS undergrounds Cryogenics : 90 000 liters of Liquid Argon, 15 000 of Liquid Nitrogen,11 000 l of Liquid Helium in UX15 , ID C3F8 evaporative cooling test Magnetic fields: Solenoid and Toroid Barrel Magnets tests Installation activities : working at height, superimposition activities, crane heavy manipulation, work with scissor lifts General : Electrical, Fire hazards, etc….

Associated Safety measures: 

Cryogenics : 90 000 liters of Liquid Argon, 15 000 of Liquid Nitrogen,11 000 l of Liquid Helium in UX15 , ID C3F8 evaporative cooling test Evacuation Routes and signalization in place ODH detection systems in the cavern trenches and vacuum loss sensors in the Calorimeter vacuum linked to : Fire Brigade, evacuation siren, ventilation system, alert flashing lights Access restricted to authorized personnel in the ATLAS Cavern lowest areas ( LAr trenches, central trenches, ATLAS sector 13) and specific access procedures Associated Safety measures

Associated Safety measures: 

Magnetic fields: Solenoid and Toroid Barrel Magnets tests Removing of all loose metallic material from UX15 cavern before every test. Magnet Tests performed during the nights UX15 Cavern closed (after patrol) and access restricted to few experts who have followed a specific magnet safety training. Specific procedures during tests to access UX15 and work inside the magnetic field controlled by the SLIMOS (Shift Leader in Matter of Safety). Associated Safety measures

Associated Safety measures: 

Installation activities : working at height, crane heavy manipulation, working with scissor lifts , …. Huge effort to provide a safe collective access systems when required and minimize the use of harnesses. Scaffolding erection and modification and scaffolding control is performed by personnel who have been trained and certified for this or by a dedicated firm. Working at height training (ATLAS working at height trainers especially certified for ATLAS) Safety perimeters when objects manipulation or activity at height Associated Safety measures

Associated Safety measures: 

General : Electrical, Fire hazards, etc…. : Very vigilant to cleaning process and Fire protection in ATLAS Undergrounds Material should be conform to IS41 safety instruction ( Fire resistant, Halogen Free, etc..) Flammable gas detection (not yet in undergrounds) and fire detection implementation : linked to Fire brigade, evacuation siren, ventilation, etc .. Associated Safety measures

ATLAS Underground Safety Environment : 

And Everyday Safety checked by the safety team : Technical Coordinator GLIMOS EAM Manager (UX TSO) Counting Room Manager 4 Safety Officers ( 2 of them are dedicated to work outside normal working hours) USA15 TSO 2 Safety Coordinators ATLAS Underground Safety Environment

Slide26: 

Accident and Near Misses

Accidents Reporting line : 

Accidents Reporting line Accident or Near Misses Fire Brigade GLIMOS Or Deputy PH Depart. Head ATLAS Technical Coordinator ATLAS Users Supervisors SC Depart. Head to take immediate and adequate safety measures Accident levels of seriousness and detailed reporting line from Fire Brigade is defined in IS51 ATLAS is currently in discussion with the Safety Commission to agree on the response from ATLAS in case of an accident for all levels of accident seriousness and the cooperation with Fire Brigade + Appropriate Responsible See IS51 ATLAS Collaboration

Accidents Reporting line : 

Accidents Reporting line Accident or Near Misses Fire Brigade GLIMOS Or Deputy PH Depart. Head ATLAS Technical Coordinator SC Depart. Head Group Leader SC Code A2 Written Accident Form SC Depart. Head + Appropriate Responsible See IS51 ATLAS Users Supervisors ATLAS Collaboration ATLAS TC + GLIMOS PH Depart. Head

Accidents Reporting line : 

Accidents Reporting line

ATLAS Collaboration Information : 

ATLAS Collaboration Information ATLAS management is currently issuing a new way on how to inform the ATLAS collaboration ( 36 nations ). This procedure have been proposed to the ATLAS Executive Board The decision of the threshold when to inform the ATLAS collaboration is left to the judgment of the ATLAS Spokesman and Technical Coordinator.

Slide31: 

DRAFT Small changes may come up