Fabrizio Ferro INFN Genova 5 th Technical Coordination Workshop 2526 February 2014 BogisBossey T1 at Point 5 FFerro T1 status and plans Maintenance amp commissioning ID: 385131
Download Presentation The PPT/PDF document "T1 status and plans" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
T1 status and plans
Fabrizio Ferro – INFN Genova5th Technical Coordination Workshop25-26 February 2014 - Bogis-Bossey Slide2
T1 at Point 5
F.Ferro - T1 status and plansSlide3
Maintenance & commissioning
Already doneRepaired all CSC’s damaged during extractionChecked CSC alignment (Dmitry)ReadoutReplaced out-of-sync VFAT’sExtensive check of ground connectionsTo be doneReadoutReplace VFAT’s with bad occupancy patternsReplace position sensors and radiation monitorsCommissioningTest fibers, DAQ, etc.
F.Ferro - T1 status and plansSlide4
Installation tools upgrade
The procedures for insertion and extraction of T1 have been upgraded:last (first) ~1 m of insertion (extraction) will proceed with parallel and controlled (via screws) movements of the two half-armsload and tension on the assembly
monitored
through load
cell
relative
z
position
of two half arms monitored and constrained mechanically by new
temporary
extensions (Roman Stefanovitch)
F.Ferro - T1 status and plans
Successful simulation of insertion/extraction of one arm as in real life (
fast and safe
)Slide5
HF+ water leak on Feb.1st
, 2014Water leak (likely) caused by a faulty connector inside the Wiener Maraton power supplyA Technical Incident Panel has been set up by Wolfram (2 meetings
already
done
)
see minutes for details on investigation and actions
All 4+1 T1 power supplies need to be repaired/changed asap to reinstall them and to allow surface tests and commissioning (1 needed)
F.Ferro - T1 status and plansSlide6
Installation: outlook
ManpowerCMS: 2-3 CMS people with experience (Dmitry+2)TOTEM: T1 crew TimingTruss installation CMS* ~6h2 ¼ on platform CMS* ~4hTemp. services + Commissioning TOTEM 1.5d (more if viable)
Cage-truss alignment
CMS
* ~4h
Insertion, fastening, check
CMS
* ~1d
F.Ferro - T1 status and plans
Extrapolation from 2010-11 operations
Operations can be faster now: services already installed, more experience, more tools
* In case, 1-2
TOTEM technicians to support/replace CMS ones. Slide7
Looking forward to...
F.Ferro - T1 status and plans...reinstalling both T1’s during LS1