1. CALO Commissioning Plans Pascal Perret LPC Clermont 17 March 2008

2. 2  The passive dosimeter sensor boxes are ready (but TLDs are still to come)  We have to install them: SPD A-side: done Other Access ? 17/03/2008 Radiation monitor installation Pascal Perret - LPC Clermont

3. 3  HCAL: activities on C-side (Yuri): End of access & closing on Tuesday  CALO C-side closed  HCAL & ECAL A-side partially opened (aligned) for Muon New access needed for ECAL A-side 1 power line lost = 25 PM Installation of radiation monitors at the same time?  SPD A-side access: SPD VFE & LED Closing on Tuesday morning next week? A-side stoppers installation on Wednesday Installation of radiation monitors  Manpower needed to move the detectors!  Muon survey measurements on Thursday (~3 hours)? 17/03/2008 Detector access and movements Pascal Perret - LPC Clermont

4. 4 Wiener Maraton PS  The 2 nd batch has to be sent on Thursday 20 th (back on April 2 nd ) For C-side: VFE PS/SPD unit: 2394085 in rack L3B03 HV/LED unit for HCAL: 2494003 in rack L3A03 HV/LED unit for XCAL: 3494056 spare in control room For A-side: FE unit for ECAL (crate 21): 3593091 in rack L3B14 FE unit for PS A-side (crate PRS 7): 3593092 in rack L3B14 We will need: Spare one for PS/SPD VFE C-side NO HV/LED unit for HCAL A-side (or C-side when access finished)  Last news: all our Maraton have to be sent to Wiener!!! 17/03/2008Pascal Perret - LPC Clermont

5. 5  No L0 CALO  DSS/DCS Alarm information  Have cosmics on A-side with ECAL & HCAL: Thursday go to global commissioning?  LED  PS/SPD: PS/SPD: complete C-side (TELL1), start on A-side Install PVSS project on A-side SPD access this week: LED tuning, mapping, …  “Electronics activities” (LAL): week 15 (April 7 th )  Beam pipe with vacuum from March 27 th until April 1 rst 17/03/2008 Commissioning Pascal Perret - LPC Clermont

6. Clean up the electronics platform

7. 717/03/2008 Do you find the error ? Pascal Perret - LPC Clermont  Here is a photo of ECAL electronics platform A side (center): Could we have a problem? Yes!!! (next slides …)

8. 817/03/2008 How to have a catastrophe … Pascal Perret - LPC Clermont  The grid fell down without any reason …

9. 917/03/2008 How to have a catastrophe … Pascal Perret - LPC Clermont And push the stool … … 12m below!  Hopefully nothing happened and I don’t describe you what could be …

10. 1017/03/2008 Conclusion or how to avoid a disaster … Pascal Perret - LPC Clermont  We had already 2 problems: Some PS cables have been cut and damaged during detector displacement with a not used pulse generator This stool which falls down  Actions have to be taken: Don’t use anything on the electronics platform which is not absolutely needed! Remove it when you leave Don’t leave anything on the electronics platform which is not absolutely needed! (we will check!)