Notes from last meeting

AMBER APX Safety Meeting – 01.03.2024

Explosion Risk assessment

Iqra (HSE),

Moritz, Oleg (AMBER),

Letizia, James, Evelyne (EP Safety Office),

Sylvain (EP-DT) 

Boris (BE-EA),

Piotr Podlaski (EP-SME)

Explosion Risk Assessment Review

https://edms.cern.ch/document/1214925/2024

Additionnal points :

• Certificate pressure sensor -> Moritz
• Scaffolding will be removed after the calibration by Didier Gonnard
• Zonage of the crane to be organized à Action Moritz / Evelyne
• Filling procedure + description of the system cryo -> Moritz / Johan
• Flexibles used for IKAR TPC to exchange/re-calibrate (not compatible with the current pressure) Moritz – David
• Test de pression (David, Johan, Didier)
• Test safety valves – Didier
• Leak test -> ?
• Procedure in case of access on the tank level if no scaffolding -> Moritz
• Xray test ? (mechanical part) David J. confirmed ?
• Needed time for the purge of the system in case of problem ?

• Cold mode 50% buffer + 50% system
• Which type of evacuation ?

• PLC : Which actions from EP-DT ? To be defined in the action matrix, meeting next week.

          Diode test – to be organized, discussion next week (which happened today); details to be confirmed and test scheduled with Cryo.

• Operational procedure for purge pump -> who ?
• Specify Deuterium in the related document
• Visit with FB to organize – Evelyne
• How to evacuate the H2 in the hall for FB?
• Ask to Jani Lehtinen status for HVAc in B.888 -> Evelyne
• FB : Procedure – visit on site ?
• Use of Nitrogen – Needs documentation -> Evelyne to see safety file in AMBER context