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Attendees: Eliazar, Leinani, Elena,Patrick, Josh, Rebecca, Eliazar, DennisConnor, Abigail, Leland, Armin, MaggieJim

Announcements:



Discussion:

  • IPR Complete!
  • Mirror Substrates TPRR - yesterday!
  • Laser Transport EPR  -  waiting for report from Brice
    • FEH configuration updates
    • 400W baseline
  • Lasers PDR - July?
  • LCLS FEH workshop -
    • rackspace - Mitchell met with Omar(IT/Data), Matt(BCS), (PPS) - follow ups next week? stakeholders needing space first
    • Image Added
  • Infrastructure -
  • Detector PDR tomorrow morning - zoom please if you are not a reviewer
    • please add Jim
  • When is hardstop/Raytrace RSC??
  • Mirror Bender FDR - last week!
    • expect feedback on cooling in the report (strongback)- suggestion for another thermal loop? or is there an argument against this? impacts of this suggestion?
    • still no report back
  • Lasers PDR - June?
  • Director's Review -next week
    • slides are in
  • New RP PRDS:
  • Infrastructure -
      • MFX RDS will be ready for interim release once we update rack items;
      • need an RDS for mezz? for now just put note on line items; if we need an RDS for mezz in future, whose responsibility is it?
      ICD → LCLS MIE /HE
    • Add mezz discussion: LCLSHE will generate, LCLS will complete; discuss with inf team .
    • include detector power
    • include multiplexing (instead pf beam to hutch 6) -needs to be worked out
      • diagnostics in HE will take zero order
      • diagnostics PPM can be removed in Y - stay clear in y is 5mm
      • ipm diodes cannot be removed by y motion (fixed)
      • other interferences: abandoned collimators, differential pumps
        • list of known items that need attention under MIE projects
      • day 1 endstation condition??? endstation inf? (umbilical patch panel)
    • Mechanical -
      • XPP style Side boards would work for lasers? meet next week
      • ATM reversal - which model number would we end up with? Leinani send part numbers to Jim/Elena
      • Reference laser reversal - backpack and laser on same side??? - Leinani

    -----

    • ICD → LCLS MIE /HE - complete!
    • KB Mirror
      • Next review - May 23/24 or 28/29 (substrates, coating, vessel, combined review of all 3 systems) - exact date TBD depending on reviewer availability
        • Docs for substrate and coatings review - all in review (should close by end of week)
        • working on slides ~60%
      • Spot size around new collimator after mirror is ~450-500um
      • multiplexing -catch up? see slides - waiting for doc from Matthieu
      • No hard target for defocus
      • 50um is largest spot size (hard to get large spots at higher energies): PRD0294.4205 (PRD -0294)
      • is still in draft....Meng's document...should we try to push this through?)
        • focal range?
          • 600mm upbeam (check range of energies)
      • ESD's supporting documents need to be released prior to review
      • Mirror model - check references
      • Slides and Site setup by Thursday - Eliazar to help since Armin is out - https://slac.sharepoint.com/sites/lcls/lcls-2-he/exp/shared_docs/Forms/AllItems.aspx?id=%2Fsites%2Flcls%2Flcls%2D2%2Dhe%2Fexp%2Fshared%5Fdocs%2FReviewPrep%2F2024%2D02%5FOPT%2EFDR%2DMirrorBender&viewid=012af798%2D4ed1%2D479f%2D8124%2D9fed976423c3
      • Integrating bypass for future passthrough- rad safety
      • Opened rev for Instrument PRD - added 2 new requirements
      • RP shielding
      • Thermal Enclosure- coordinate with Laser team on space stayclears
        • thermal analysis started to see how environment affects mirrors (straight translation!)
      • interfaces to RDS
      • multiplexing - how does this affect mirror motions?
        • IP has to move?
        • motion range looks ok
      • prep folder?
    • Documents:
      • Instrument PRD - R2 and out for review
        • update schem.
        • start review cycle
      • Engineering notes - vacuum analysis - updated and ready for release
      • Engineering notes - vacuum transient analysis - one more update
      • Inst. ESD rev??
      • ICD-1010 → capture scope changes - Rebecca this week (see above)
      • Detector PRD out for signature? check progress? Stuck at Hong, Debarger (closed?)
      • Detector PRD vs delivery plan - noise and well depth- are figures ok? is 10000photons @ 8keV ok (well depth)? noise <75e- vs <100 e-
        • xpp hole will be 5mm - we can reuse guidance tube design (same as epix 10k)
        • mfx assumption was we needed slightly larger hole? needed for laser? 
          • @ 450 mm away from IP, 5mm is a bit close.
      • Detector ICD - out for review soon
      • Detector PRD - side facing, sensor area?? (not scoped)
      • Detectors IRD in progress - Alex/Leland to look at
        • LFAD details looking ok–some questions about cryolines?
        • need SFAD - Leland has been updating
        • SM-MM is required here...cut/paste
      • ICD-Lasers 
        • out for review - signed ? pulled back? out for signatures again
      • Laser ESD
        • out for review- revisions requested
    • Mechanical Design
    • Common components
      • Small modification on exit window assy to include spacer
        • How is procurement going? approvals needed?
      • Can we modify collimator assy to include larger stand?
      • Assy procedures
        • walk through
        • LCLS vac shop - are we sure they can output level 1 parts/chambers?
        • service now for each assy ?
          • multiple things tracked within this
          • Leinani to catch Rebecca up...
        • test case this week?
      • Traveller - alignment team meeting tomorrow; very close!
        • one more pass with controls - this wednesday during controls meeting
        • space and time planning details
      • TAPS Awarded - next steps?
        • Can Angela help?
      • Stopper FMEA
        • engineering note (Josh/Rebecca) - emphasis on actions (on working site)
        • Josh filled out more of the missing material - Rebecca please check
        • prep for next meeting. try to close out FMEA
      • vacuum chambers for PPMs etc is next large procurement
      • Assembly Travelers
        • revision for WFS - Divya/Maggie will edit
        • we can apply these changes to other travelers too
      • ATM configs - see notes above
      • Exit window installation - tomorrow
      • Multiplexing ramifications?
        • XRT diagnostics/stopper
    • Controls
      • Jana - server DAQ space check on Wednesday
        • review rack space etc too
      • Space hunting
        • Meeting with Jana about mezzanine space this week - need at least one extra rack
        • understand timeline for availability
        • controls team will develop strategy (also have to consider cxi, dxs, etc)
        • what will happen with SMB experiment - currently it is occupying a full rack -
        • working on finding rack space for lasers
        • are we accounting for all controllers at this point (90U)? Need to refine count.
      • Window - 4 pane
      • discuss traveler on wednesday
      • preview of vac schematic last wednesday
      • per new scope direction please estimate required controls design work
        • multiplexing PMPS - documentation?
        • need updated vacuum and mech. schematics
      • Set up meeting with Matthieu regarding multiplexing scope
    • Multiplexing
      • muliplexing lead: Matthieu Chollet
      • Update from Hasan and Frank 12/8
      • raytrace (need to get files from Lance and Frank)- received 1/16
      • will start evaluating collimator location soon
    • Laser Off-mods layout
      • cable trays for transport
      • PDR might slip into May
      • Delta CDR for transport line in April
        • Slides are drafted (Matt)
        • some concepts are in the model - don't panic!
      • Dennis catching up with current concepts
        • Working on elevated table design, and side tables - accessibility
        • Patrick working on optical layouts, pictures soon!
        • extra space? underneath MODS table. (two chunks of spaces between legs) Lasers needs 24U underneath. Can we use that other 24U of space (low heat sources only)?
        • looking for space for electronics (work with Christina Pino, Mitchell Cabral, Vincent Esposito)
        • Controls rack shuffling - can laser team share rack profiles?
      • Documents!
      • Dennis - will touch base with Eli
      • Working on design for off mods tiles - Patrick doing a first pass this week
      • Off mods breadboard stand models (under MEC drift tube)
      • Can we shift beampipe stand (MEC and CXI) upstream?
      • Set up meeting for tile layout workflow
      • Drift stand on MEC - would be nice to move
      • Laser out coupling–what do you need in the beamline?
        • CXI has an in-vacuum design? (maybe talk to Leslie)
      • Space utilization - Patrick talk to Eli
      • optics locations draft?
      • optics categorization
      • ATM tiles? need a final design?
      • ejection layout
        • IP
        • LIC
      • Diagnostic stand interfaces (breadboards)
        • should attach to diagnostic stand?? not mods?
        • need mods to stand?
        • mount to floor instead?
      • Laser Transport?
    • Laser in coupling as designed should work as 
    • Equipment anchoring BIO review -complete
          • stands - complete
          • stopper - Jenna - complete
    • Controls Coordination - meet up to discuss status
        • CXI will host 16M detector power (one full size rack) but will it be close enough?
          • penetration from CXI? existing cable route?
          • back corner?
        • Detectors - what about small detectors?? small 140k Epix HR/UHR
        • OH Robot- yes, the robot will live on
        • Robot OH rack...chiller lives up there, MPOD, server
        • fiber infrastructure for 16M complete
        • vacuum eplan complete and reviewed
          • need new controllers in MFX (MKS 937s)
        • motion eplan is complete - needs review
          • common component connection
        • CC FDR review
        • FXT FDR last week - well done!
        • XRT stand naming DONE
        • Enclosures added to model
        • Rack profile planning ongoing
        • timing system?
          • each hutch has an ATC crate
          • data structure is different for HE - working with data and detectors team
          • fast scope? or virtual?
        • out of scope items - older vac equipment, cameras, and motors etc. : how is this tracked?
    • Temperature monitoring
      • Alex ordered more temperature loggers (10)
      • will place at KB locations and around hutch
      • Matt has old data - gave to Ariel
    •  Facilities
        • Water Routing → change to general facilities topics
          • RDS v2
          • meet with Kingston to discuss options for CO2 cooling
          • water routing work will be packaged with other facilities work and sent out for bid ~late summer
    • Detector Coord
        • detector mover limits
          • can move limit switches to get the stroke that we need
          • use this info to determine max detector envelope for IRD.
        • This Friday
          • CO2 implementation 
          • scientist to decide on types, quantities, need for first light
          • update PRDs?
        • ICD and IRDs in progress
          • interface details with detector mover
    • Laser coordination
        • temp requirement check - look at systems in place for more data
        • Added - struts on granite stand
        • Moved - the ion pump on diagn. std 2. next to ATM
        • Model - updated coordinate systems; stayclears will be added to laser model soon
        • ELi - will add stayclears for under table patch panels - need clearance requirements from Serge
        • Patrick working on PRD details (cacls to check if we can meet requirements)
        • ICD/PRD/Laser ESD still in progress
          • Focus on PRD (working on CXI first)
          • Patrick touch base with Alex?
        • DxS-MFX transport line is still not finalized
          • but it is the preference
        • ATM config?
          • up to 45 deg needed??? possible?
          • difference btwn L2Si vers and HE vers?
        • we are also ready to design laser out-coupling when laser team has details/requirements available
          • Does the detector situation matter? beam tube size? this geometry is important...
          • ideal hole diameter?
          • what is needed?
          • what is common ?
          • document on confluence and eventually in PRD
        • Resend Z location info to M. Greenberg - help him figure out divergence etc. which will let us know what hole diameter we need...
        • thermal issues (see below)
          • temp requirements?
          • current requirement in RDS: +/-0.5 deg C
          • better if laser outside of hutch?
    • Installation
        • CC RFI dates.
        • KB should fit now into schedule
    • Radiation safety
        • Need radiation safety PRD from Shanjie
        • raytace needs to incorporate gantry error
        • fast sensor - need to run for MFX
          • Elena to start this week. do requirements change for MFX in any way?
        • passive shields - Abigail
          • hands on 80/20 experience
        • photon dump design kicks off this month
          • photon dump size for MFX
            • it wil be ~ 1mx 1m
            • sensor selection - looking for a SME
          • ESD in progress with mechanics specified
        • ray trace
          • benchmark cases in progress
          • format question for output
          • walk through with RP during next meeting(s)
        • KB
          • Matt Seaberg - engineering note for KB hardstops
          • hardstops; beam size on photon dump with Matt/Alyssa
          • chiller check - rack space - under diag1
          • check perimeter (for enclosure) - in model
          • Status?
          • focus range
          • ESD documents? 
          • schedule -