Switchyard/Meson/NM meeting

US/Central

SY

  • Timing cable replacement: Installation of replacement cables and conduit underway. Construction to be complete by Sept. 15 17. Adam  Done

  • Rad fencing in F-sector due to construction Adam

  • VH94 SMPS upgrade: Waiting to commission (need LCW). Adam

  • Waiting on pond levels to run Remnant LCW system. Adam

  • Asked MSD to turn on ArCO2 gas systems (TG-8, MS3, and G2) Adam

  • Startup checklist Adam

  • Leaky bean pots for septa cables: cleanup coordination Adam and Cons

    • Secondary containment Paul and Mike

  • Enclosure DE carboys of old oil Paul and Cons

 

Meson

  • MS2LCW pumps

    • Two pumps down, only one available Paul

    • Pump #3 has bad motor, waiting on parts.

    • Pump #2 repaired and run for a brief time. 

    • MSD to size pump and procure hose. Parts ordered. Adam

      • One level sensor working, fixing the other one. Adam

    • Upstream M02 leak not repairable without draining system. MSD to tighten valve stem to see if it helps.

  • MS2LCW head pressure, tank levels. Appears that gas bottle for head pressure is empty, could be cause of level rise. Gordon

  • MS3 vacuum PLC progress: Mike

    • Paul A. and Mike to look into installing CT clamps on vacuum pump cables.

      • Mike getting drawing from Dan, then CTs from Paul K., then installing.

  • MC6TGT Gordon 

    • Starting up with target in place.

    • ES&H re-installed grate,  locked target box. Replaced back-scatter scintillator. Gordon

  • MC6D-2

    • Magnet in place

    • Power cables and klixons connected

    • Remaining: MSD working on turning on vacuum pumps, connecting LCW, final LCW leak check when MS2LCW is on, make sure restrictors or regulators are removed

  • MC6D-4

    • Check leak once MS2LCW system is back on.

  • F1 single-point LOTO: work finished. Ops working on config control paperwork approval from ES&H. Paul

  • Need to remove dehumidifiers (F2 and F3) once MS2LCW up and running. Paul

  • M01 rad fence needs straightened out, solution with FESS confirmed to not count as excavation (concrete supports). Job finished, waiting on confirmation from ES&H. Tom

  • Startup checklist Mike

  • SWIC cable ringer to verify, in particular, MC6WC at low intensity (1E6), check cables. Specs from McArthur, ordering parts. Mike

  • Can SWICs run in Proportional mode (higher voltage, PWCs?), does polarity matter? From Dan: can go as high as 2200V, no change to polarity. Adam check MCenter Droeges can go this high.

  • Double-check Tom’s optics for MCenter 120 GeV mode Adam and Mike

 

NM

  • Vacuum

    • All pumps hooked up, downstream pump needs turned on.

    • NM2 multiwire leaking, Carol following up w/ MSD.

  • How many interaction lengths at this vacuum level in NM beamline? Carol

  • NS2LCW, backup pump (pump #2) pending

    • Carol Believes the parts are in, following up with Greg.

    • How does the NS2LCW piping run? Pipe is buried across the berm.

  • NS1LCW system status? Des agrees to have Dan jog the system. Adam

  • Magnet labels/signs; Enclosure C finished, taking longer than anticipated. Adam and Mike

  • Some rack labels needed Adam  

  • G2 single-point LOTO electrical work finished. Working with Ops on config control paperwork; waiting on ES&H to approve forms. Paul

  • NS2LCW sprayers developed a leak, Adam and Kevin about timeline for colder water, help MSD manage manpower.

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