ps sps days o aberle r losito for the atb group 18 th january 2006
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PS/SPS Days O. Aberle/ R. Losito for the ATB Group 18 th January 2006. Restart of the PS/SPS in 2006 Upgrades and repairs on ATB equipment. Overview. Sieve Internal dumps PS Beam stoppers TIDVG (SPS) Consolidation Summary. PS Sieve. 2005 Sieve dismounted

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ps sps days o aberle r losito for the atb group 18 th january 2006

PS/SPS Days O. Aberle/ R. Losito for the ATB Group18th January 2006

Restart of the PS/SPS in 2006

Upgrades and repairs on ATB equipment

  • Sieve
  • Internal dumps PS
  • Beam stoppers
  • Consolidation
  • Summary

PS/SPS days

ps sieve
PS Sieve
  • 2005
    • Sieve dismounted
    • Mechanical parts replaced (Piston, water and air connections, bearings)
    • Adjustment of air and water pressure after lab. tests
  • Sieve re-installed and fully operational
  • No spare parts, no spare!

PS/SPS days

ps internal dumps goal 2 operational pos 47 48 1 spare
PS internal dumpsGoal: 2 operational (pos. 47,48) + 1 spare


  • Transportation shielding problem solved
  • Dump 48 and spare mechanically refurbished
  • Cables pulled from B365 to Pos. 47 and 48
  • New patch panels produced for old control units and future controls (installation week 8-10)
  • Water and electrical connectors replaced
  • Cabling replaced
  • Capturing magnets checked
  • Shielded working space (bunker) in B-150 available until end 2006.

PS/SPS days

ps internal dumps status
PS internal dumps status
  • Dump 48 and 47 Operational and fully tested.
  • Installation: 02/2006
  • Spare dump (former dump 47): Operational End 04/2006
  • New power supplies (thanks to PO) ready and tested

PS/SPS days

ps internal dumps
PS internal dumps

Further work:

  • Develop PLC based new control units (ATB/LPE)
  • Replacement of the control units during shutdown 06/07 ATB-LPE
  • Design and production (2007) of new supports to simplify the alignment procedure
  • Installation of new bunker in 867 (2007)
  • Proposition: Delay the production of the second chariot (consolidation) to 2007.

PS/SPS days

ps beam stoppers
PS beam stoppers
  • 30 stopper (~ 5 types) in the PS complex
  • Stoppers mechanics in acceptable conditions
  • Annual maintenance of installed units
  • Electrical and pneumatic connections have to be replaced (2006-2009)
  • New stopper positions required
    • Using revised spare stoppers
    • New spares have to be produced (2008)

PS/SPS days

sps tidvg internal sps dump goal 1 operational 1 spare
SPS TIDVG (internal SPS dump)Goal: 1 operational + 1 spare
  • Historic:
    • 5 Ti foils stretched over dump core material to prevent contamination by graphite dust
    • Observation: foils were deformed and lifted resulting in aperture limitation!

Ti-foils were removed in 2005

PS/SPS days

sps tidvg 2005 actions
SPS TIDVG 2005 actions
  • Removal of Ti foils by cutting with special tool on spare TIDVG was not successful
  • Opening of the core by cutting the EB welds in the central workshop
  • Remove and recondition all absorbing blocks
  • On graphite blocks:
    • Removal of old Ti coating
    • CO2 blasting
    • Heat treatment
    • Ti re-coating
  • Assembly, machining (CERN) and EB welding (Techmeta)

PS/SPS days

sps tidvg 2006
  • Installation of modified unit in February 2006

To be done in 2006

  • Store the damaged TIDVG as back up
  • Modification of spare core
  • Modify the spare cast iron body (TED type) to get a full spare TIDVG
  • Assemble the spare core, weld it and fit it into the transformed shielding.

PS/SPS days

consolidation project on beam intercepting devices
Consolidation project on beam intercepting devices
  • ~250 objects from BDI/BT and other orphans (e.g. stripper) with beam intercepting but no instrumentation functions
    • To be analyzed one by one (all machines)
      • documentation to be gathered
      • functionality to be understood,
      • limitations to be evaluated in view of the new beams
      • Needs for maintenance and priorities
      • Budgets to be allocated
  • Maintenance to be scheduled
  • Interventions on break until end of consolidation project (3-4 years)
  • Consolidation program to be launched 15 FTE and 3 Mio CHF during the next three years (in addition to the existing capacities or after 2008)
    • Standardization and upgrade solutions to be studied and planned

PS/SPS days

strategy until completion of consolidation
Strategy until completion of consolidation
  • ATB and BDI commonly ensure the follow up until full transfer of know-how
  • ATB-TD Mechanics & ATB-LPE Electronics :
    • Transfer line objects were partly produced by TD, their controls are being analyzed, manpower (1 technician LPE) will be available in March 2006
    • Accelerator components: staff not included in the staff plan. Very dependant on future resources (start of consolidation project).

PS/SPS days

  • PS Dumps: Two upgraded dumps plus 1 spare ready for startup 2006. New electronics ready for shutdown 2006/07.
  • PS sieve: Existing sieve upgraded, construction of a spare not before 2007.
  • PS beam stoppers: Inventory and annual maintenance, revision of beam stoppers East hall.
  • TIDVG: One dump ready for start up. Preparation of spare in 2006.
  • Integration of ~250 objects during the next 3 years rely on a consolidation project. The staff situation should improve after completion of CNGS.

PS/SPS days