Eva Barbara Holzer MPP, CERN 31.7.2015 1 Eva Barbara Holzer 1 Approval procedure for master threshold changes.

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Presentation transcript:

Eva Barbara Holzer MPP, CERN Eva Barbara Holzer 1 Approval procedure for master threshold changes

Eva Barbara Holzer MPP, CERN  Approval requested from typically 3 persons. Each system should define one main signatory and alternatives in case of absence. 1.One BLM expert: Barbara Holzer, alternative: Matti Kalliokoski, Bernd Dehning 2.One MPP representative: Markus Zerlauth, Daniel Wollmann, Rudiger Schmidt, Jorg Wenninger 3.One equipment representative per involved equipment:  Collimators: Stefano Redaelli, alternative: Roderik Bruce, Alessio Mereghetti  Magnet circuits: Bernhard Auchmann, alt: Arjan Verweij, Daniel Wollmann  Injection and extraction elements: Chiara Bracco, alt: Wolfgang Bartmann, Jan Uythoven  Roman pots  Alfa: Sune Jakobsen, alternative: Patrick Fassnacht  Totem: Mario Deile, alt: Jan Kaspar  BI: Bernd Dehning, alt.: Barbara Holzer  RF: Wolfgang Hofle, alt: Andi Butterworth Approval for threshold changes

Eva Barbara Holzer MPP, CERN  Continue with system representatives:  Experiments  Alice: Antonello Di Mauro  Atlas: Sigi Wenig  CMS: Nicola Bacchetta  LHCb: Richard Jacobsson

Eva Barbara Holzer MPP, CERN  Request of comments to:  lhc-mp-restricted (Members of the restricted LHC MP body)  BLMTWG-Members (BLM Thresholds Working Group - List Members)  lhc-mp-panel-members (Members of the LHC machine protection panel)  Information to:  lhc-engineers (LHC EIC)  lhc-mc (lhc machine coordinators)  blm-lhc-support (Beam Loss Monitoring System Support for the LHC) Threshold ECRs in EDMS

Eva Barbara Holzer MPP, CERN  Try to set up ONE mailing list for MF changes notification, containing:  BI-BL issues tracker  lhc-mp-restricted (Members of the restricted LHC MP body)  BLMTWG-Members (BLM Thresholds Working Group - List Members)  lhc-mp-panel-members (Members of the LHC machine protection panel)  lhc-engineers (LHC EIC)  lhc-mc (lhc machine coordinators)  blm-lhc-support (Beam Loss Monitoring System Support for the LHC) MF changes – info to:

Eva Barbara Holzer MPP, CERN  LHC BLM threshold ECRs are handled by BL section  contrary to the hardware ECRs – which are called “-EC” and handled by Samy  BLM expert decides whether to follow procedure A or B A.Procedure for scheduled changes. Once the change to be implemented is decided on: A.Procedure for minor, not-scheduled changes: 1.Get approval ( , verbal etc.) by rMPP 2.Implement 3.Write ECR (as above) 4.Potentially present at LMC Formalize the procedure 1.Write ECR (input from all concerned teams) (1+ days) 2.Circulate amongst authors (2-3 days) 3.Circulate for approval (2-3 days) 4.Close approval procedure and implement changes (1 day) 5.Potentially re-circulate for approval 6.When approved by LMC and the typically 3 responsible persons: implement In parallel to steps 1 – 5: Present at LMC (max 1 week)