[Halld-jlab] Hall D Staff Meeting Notes, March 11, 2013

[Mark M. Ito]

Find the notes below and at:

https://halldweb1.jlab.org/wiki/index.php/Private:Hall_D_Staff_Meeting,_March_11,_2013
   __

Private:Hall D Staff Meeting, March 11, 2013

    Present: Eugene Chudakov, Hovanes Egiyan, Mark Ito, David Lawrence,
    Bert Manzlak, Lubomir Pentchev, Yi Qiang, Patrizia Rossi, Elton Smith,
    Simon Taylor, Tim Whitlatch, Elliott Wolin

Safety, Bert

      * recordable event in Hall D this past week
      * employee transferred from Engineering had work restrictions, not
        conveyed in writing to supervisor
      * when shown the work, employee said they could work on it
      * did the work for two days, following week had cast on hand, injury
        potentially related to work
      * if you have a restriction, that needs to be told to supervisor or
        sponsor
      * if you are a supervisor of someone with restrictions, you assign
        appropriate work
      * lessons learned will come out upon investigation
      * restrictions are on file at medical services, supervisors have
        access to that information, this category exempted from privacy
        rules

Announcements, Eugene

      * salary letters supposed to be finished by March 13
      * March 19, meeting on MOUs and foreign visitors with Bob McKeown,
        Rolf Ent, others
      * no info on sequestration measures as of yet
      * LDRD program: 16 letters of intent, will have 29 proposals

Engineering, Tim

      * solenoid
           + refrigerator issue addressed two weeks ago, but problems when
             cooling
           + found contamination
           + cleaned out, will try again tomorrow morning
           + contamination in cryosystem, not even connected to magnet yet
           + will cool magnet itself in about a week, it will take a week
             to cool
           + several problems with power supply, Dave, Scot, and Mark
             working on it, Accelerator people helping with trouble
             shooting, problem has been narrowed down
           + hopefully fixed by time of solenoid cooldown
           + power supply was stored for a while in Hall A, radiation
             concern
           + will not go past 127 amps
      * tagger vacuum chamber has arrived
           + Survey and Alignment in this week to see that features on
             vacuum box and magnet align properly
           + stands are in for the tagger, survey will look at those as
             well
           + might start stacking steel by Mon.
      * BCAL rails (to slide BCAL in), installed and shimmed
      * upstream platform being taken apart to accomodate BCAL stacking
      * power transformers spec'ed, PR by tomorrow, to bring 480 V from
        wall down to 208 and 110 V
           + facilities will install them
           + breaker panels a bit behind, PR by end of week
           + UPS power a separate item

Counting House, Hovanes

      * computer from computer center installed to test software for level
        3
           + Dave L. and Elliott working on that
      * checking infiniband for EMUs
           + Dave A. working on that
           + Dave A, only brought in one mini-crate
      * cable trays on top of racks installed
      * configuration for console in counting room finalized
           + Facilities placing order for consoles, furniture, changes to
             infrastructure (power, communications)
           + PR submitted for these items
           + will be installed in about 6 weeks, chairs will come in last
      * Eugene: if groups want to check detectors in the Hall: see the
        schedule for when things happen
           + individuals should check their respective schedules: things
             put in by hand, items could have gotten lost or changed
             inadvertently

Calorimetry, Elton

BCAL

      * 20 modules done now (40% of total)
      * getting things ready to start stacking modules in Hall
      * last shipment of SiPMs arrived at Santa Maria last week
      * Shane Krueger from Regina will be back next Wed. to help with
        testing
      * will have to organize gluing and the scheduling of workers
      * going relatively well
      * we thought there was problem with glue, really with non-uniform
        curing
           + changed procedure for moving UV light across surfaces
           + new procedure working
           + batches were OK

FCAL

      * monitoring LEDs for FCAL decided: 1 violet, 1 blue, 2 green
           + Athens can proceed with that
           + modifying contract to extend end date
           + will be done in next 2 months or so
      * FCAL stacking is going well
           + getting to point where man-lift needed, need to train John L.
             to operate one

FDC, Lubomir

      * another package moved to JLab Fri., took package that was tested
        back to Blue Crab
      * will put on mounting table at Blue Crab, will open from back side
      * when tested package at Blue Crab, hooked up nitrogen, one cell
        leaking
           + was gauge tube that measures pressure, got disconnected in
             transit
           + reconnected, no more leak
      * shelving disassembled at Blue Crab, a lot of items parked near the
        door
           + be careful entering and leaving

Goniometer, Hovanes

      * goniometer arrived
      * Yi and Hovanes have seen it
      * should be mounted to start working on it
      * guaranteed for a year, must do acceptance testing next

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-- 
Mark M. Ito, Jefferson Lab, marki at jlab.org, (757)269-5295