• KAGRA
• Subgroups
• VIS
• TypeB
• ToDoOld

VIS Type B To-Do List - Archived Items

Active items are at ../ToDo.

2019-04-01

SR2

• Tidy up cables in rear of SR2 rack.
• Improve SUMCON model of SR2.

SRM

Etc

• Improve WD notifications from Guardian.
• MEDM screen maintenance.
• Return all unused cables to tent.

2019-03-25

Etc

• Tidy up.
• Pull out unused cables in cable tray near SR3.
• Improve Guardian to turn on IP damping later, after IP and GAS.

SRM

• Measure TM TFs.
• OL2EUL matrix
• Design/install control filters for TM DAMP and OLDCCTRL.
• Set up SRM Guardian.
• Get thermometer for SRM booth.

2019-03-18

Etc

• Tidy up.
  • Throw out foil and other garbage.
  • Pull out unused cables in cable tray near SR3.

BS

• Debug IP H2 connection!
• Improve immobilization of OL breadboard.
• Reinstall LEN OL.
• Double-check calibration of IP H3 LVDT: is the offset of ≈-805 µm at mechanical zero from klog 8377 correct per previous klogs etc?

SR2

• Recalibrate OL with improved procedure.
• Do pitch/longitudinal decoupling. L2P filter
• Measure decay time, rms with and without control.
• Choose optimum BIO Config board switch settings.
• Install AntiWTN filter.

SR3

• Recalibrate OL with improved procedure.
• Install AntiWTN filter.
• Choose optimum BIO Config board switch settings.

SRM

• Replace SRM whitening chassis with correct type.
• Choose optimum BIO Config board switch settings.
• Install AntiWTN filter.
• Set up LEN OL.
• Design/install control filters.
• Set up SRM Guardian.

2019-02-25

All

• Debug stepper remote enable.
• Do survey of numbering of coil drivers and corresponding Contec assignments.

BS

SR2

• Install GAS filter control loops.

SR3

SRM

• Debug geophone channels!!!
• Check BIO connections for possible swap of GAS/IP.

Real-Time Model/Guardian

• Work out what IM1 and IM2 items of BIO section are actually driving based on the rack survey.
• Correct all user-facing text on BIO MEDM screen (e.g., "SRM IM-H MONITORS LPCD #1 = Contec #1L") to reflect reality.
• Rename all IM1 and IM2 items in RTM to IMH and IMV per above.
• Do a new BIO screen that points to new IMH and IMV channels (use search and replace in GEDIT), but keep the old version for the time being.
• Finalize models.
• Make a new Type B Guardian and edit it to drive all the new model features and ignore the removed bits.
  • -ALIGN blocks
  • -OPTICALIGN blocks.
  • +SET blocks.
  • +DCCTRL blocks
• Have the transition from the SAFE state to the DAMPED state load the ALIGN offsets with long ramp times.
• Have the transition from the DAMPED state to the ALIGNED state load the OPTICALIGN offsets with long ramp times and also enable damping).

2019-02-12, -19

Etc

BS

• Check focus of BS camera.

SR2

• Get rid of SR2 cable reel (shutdown FE and rack, replug everything into new power strip, start up rack and FE).
• Split model.

SR3

• Split model.

SRM

Real-Time Model

• See KAGRA/Subgroups/VIS/OpsManual/Simulink

  • Stop SRM Guardian (just stop it dead - don't transition to SAFE; don't let it meddle at all).
  • Make fresh safe.snap.
  • Note all TEST and OPTICALIGN offsets.
  • Put large ramp times (≈30++ s) in all DAMP, TEST and OPTICALIGN filters.
  • Turn off all DAMP, TEST, and OPTICALIGN filter offsets and master switch.
  • Restart k1vissrmt. If there are gross problems, consider restarting the whole FE.
  • Restore safe.snap.
  • Debug OVERVIEW, IP and WD screens (check for white channels etc).
  • Set new WD thresholds for IP LVDT and ACC.
  • Make sure SRM Guardian is pointing to generic Type B Guardian.
  • Adjust Type B Guardian code to set long ramp times on all DAMP, ALIGN and OPTICALIGN filters. Wrap the ALIGN stuff in an if block for now to not break BS/SR2/SR3.
• Rebuild and restart k1visbst and initialize/test as for SRM.
• Create new k1vissr2t, k1vissr2p, k1vissr3t, k1vissr3p based on k1vissrmt and k1vissrmp. Be sure to update DCUID numbers:
  • SR2 FECT=54, FECP=55
  • SR3 FECT=56, FECP=57
  • SRM FECT=58, FECP=59
• Update DCUID numbers also in /opt/rtcds/userapps/release/vis/common/medm/vissr2_overview_macro.txt and vissr3_overview_macro.txt.
• Rebuild, restart k1vissr2t, k1vissr2p, k1vissr3t, k1vissr3p and initialize/test as for SRM/BS.
• For SR2, just before restarting with the new real-time models, power the whole front end down and replug everything into the new power strip.
  • Turn off all DC-powered boxes.

  • Shut down the FE computer using the web server at http://10.68.99.171.

  • Turn off the IO chassis using the switch on the front.
  • Turn off the DC power supplies.
  • Replug all AC-powered stuff (DC supplies, IO chassis, signal generator, routers) into the new power strip that is already there.
  • Restore everything in reverse order.
  • Reset the signal generator: 10 kHz, 5 Vpp, sine wave, ON.

Guardian

• Make all Guardians point to TYPEB.py.

• Create a BURT .req file to backup the ALIGN settings for IP and GAS.

• Create a BURT .req file to back up the OPTICALIGN settings for the payload.

• Add UI to the MEDM screens to run BURT with either the ALIGN and OPTICALIGN .req files and generate .snap files with suitable names.

• Make sure the SAFE state turns off all ALIGN and OPTICALIGN offsets with long ramp times.

2019-02-04

Etc

• Get additional two camera viewports.
• Get rid of SRM cable reel.
• Run cables for cameras (with Kokeyama-san).
• Install BIO config boards on OL whitening filters for SR2, SR3, SRM
• Lots of filters.
• Model changes for ALIGN, WD.

BS

• Install BNC cables for stepper remote enable.
• Debug BS camera.

SR2

• Release LBB; add approximate final ballast.
• Install IM control loops.
• Decide buoyancy correction and pre-apply as much as possible, leaving optic at nominal height.
• Install BNC cables for stepper remote enable.
• Install camera viewport.
• Install camera.

SR3

• Release the optical table again.
• Adjust LBB damper and rods to give correct height and gap at mid-range on the blades.
• Add approximate final ballast.
• Install camera viewport.
• Install camera.

SRM

• Flip SRM glass optic.
• Decide buoyancy correction and pre-apply as much as possible, leaving optic at nominal height.
• Adjust SRM damper.
• Install camera (with Kokeyama-san).
• Set up TILT OL.
• Adjust LBB damper and rods to give correct height and gap at mid-range on the blades.
• Add approximate final ballast.
• Split model.

2019-01-27

Etc

• Open all dead geophones, replace preamps, test, seal, retest.

SR3

• Move the IP such that the horizontal stepper motors are in their respective mid-ranges.
• Set the IP stops to an appropriate position.
• Withdraw the jacks supporting the mushroom head of the vacuum chamber.
• Decide buoyancy correction and pre-apply as much as possible, leaving optic at nominal height.
• Offload any IM yaw pico adjustment to F0 yaw stepper.
• Check centering of OSEMs and readjust as necessary.
• Install BIO Converter.

SR2 (Very similar to SR3's with additional items underlined.)

• Add additional mass to LBB to have it at the desired height.
• Center the IP FRs.
• Withdraw the jacks supporting the mushroom head of the vacuum chamber.
• Help install LBB payload.
• Adjust LBB damper and rods to give correct height and and gap at mid-range on the blades.
• Fix the optical table to prepare for optic cleaning.
• Liaise with Mirapro in removing the SR2 bellow at the +Y side.
• Work with Hirose-san in cleaning the optic.
• Release suspension; tweak alignment and hand over to alignment team.

SRM

• Fix/test geophones.
• Raise suspension 3.5 mm on jacks.
• Check/improve payload alignment and IM OSEMs. Recheck optic pitch with laser level.
• Adjust F0 keystone trim to give desired height and secure weights in place.
• Install geophones and arc weights.
• Center and tune IP.
• Hook LBB (with Mirapro).
• Add camera viewport.
• Install repaired triple in-air pico adapter cable.

2019-01-21

Etc

• Open all dead geophones, replace preamps, test, seal, retest. (For BS is was done. For SRM not yet.)

BS (top priority)

• The suspension is not in a healthy state. We should check the IM horizontal OSEM coil driver, satellite amplifier and whether there's anything toching. See klog entry 7725.

• Take to the tunnel a spare HPCD (or a modified LPCD) and a satellite amplifier. (Fabian on Monday.)

• Fix geophones. (Enzo on Wednesday or later.)

• Replace geophones. (Enzo whenever is fine for commisiong team.)

• Fix touching issue.

• Secure any keystone trim mass. (Hirata-san or Fabian on Wednesday of later.)

• Recenter the OL.

• Diagonalization of IP. (Enzo)

• Install IP control loops. (Enzo) (2/3)

• Install IM control loops. (Enzo)

SR3 (priority 2)

• Survey optic height (Fabian on Monday) and raise suspension on jacks as necessary (Enzo, Hirata-san, Terrence and Fabian on Tuesday).

• Reinstall OL LED (original one borrowed for SR2 - probably use new one to be supplied by Simon), probably change collimator, and realign OL. (Terrence on Tuesday.)

• Secure any keystone trim mass. (Hirata-san or Fabian on Tuesday.)

• Diagonalization of IP. (Enzo)

• Install IP control loops. (Enzo)

• Install GAS Filters control loops. (Enzo)

• Install IM control loops. (Enzo)

SR2

• Survey optic height (Fabian on Monday) and raise suspension on jacks as necessary. (Enzo, Hirata-san, Terrence and Fabian on Tuesday.)

• Remove tape, writing etc on PI and PI items. (Hirata-san on Tuesday.)

• Secure any keystone trim mass. (Hirata-san or Fabian on Tuesday.)

• Diagonalization of IP. (Enzo)

• Install IP control loops. (Enzo)

2019-01-14

Etc

• Work with Telada-san to get reference height marks on SR tanks.
• Work with Simon to get additional OL parts.
• Work with Akutsu-san to get additional two camera viewports (for SR2 and SRM).

BS (top priority)

• Get new F0 FR working (reassemble carriage in correct order?).
• Center new F0 FR (mid-range height is 78 mm).
• Add more arc weights to further improve the IP frequency, and re-center IP as needed.
• Re-calibrate the F0 GAS LVDT, measuring down from the ring (nominal 16.5 mm) rather than up from the milled recess (nominal 154.5mm).

SRM

• Test F0 yaw stepper mechanism.
• Get F0 FR mechanism working (reassemble carriage in correct order?).
• Measure height of RM/TM relative to SS and height of SS relative to tank or Telada-san's reference.

SR3

• Blow dust off optic with Top Gun.
• Wipe inside tank with Vectra-Alpha wipes and IPA.

SR2

• Test 3500 mm collimator.
• Restore OL.
• Inspect for dust.

2019-01-07

BS

• Check that the suspension is floating. (It wasn't.)
• Re-center OL and log value to capture yaw position. (We didn't bother because the chain wasn't in a good enough condition.)
• Remove bolts (or wait for Mirapro to do).
• Remove tank lid.
• Look for cracks in F0 blades.

• Install new double-sided F0 fishing rod (need to get blades) and (if necessary) auxiliary CuBe spring.

• Test new F0 FR (-> it didn't work).

• Adjust amount of mass on F0 keystone to get correct height, and secure in place.
• Check that current defective yaw adjuster is at least locating the suspension in yaw.
• Swap in new cables for geophones and other items.
• Add longer studs for arc weights.
• Seal and retest new geophones.
• Replace geophones and add more arc weights to IP to get a lower frequency.
• Confirm the positions of the IP LVDTs and Actuators, and update T1707205 if necessary.

SRM

• Test new yaw mechanism (-> it didn't work).

• Borrow LED from SR2 and check/adjust optic pitch; return LED to SR2.
• Install OL viewport (already available).
• Remove camera viewport flange cover temporarily and check that there is a good view of the HR surface.

SR3

• Inspect for dust

2018-12-17

SRM

• Install new yaw mechanism.
• Adjust height.
• Install extension cord for pico drivers.
• Center IP.

SR3

• Install/test new yaw mechanism.
• Adjust height.
• Realign OL.

SR2

• Install/test new yaw adjuster.
• Adjust height.
• Get top plate reduced?
• Set up OL cabling.
• Set up OL.
• Remove tape, writing etc on PI and PI items.
• Add new feedthrough to lower part of tank (with Izumi-san-tachi)?
• Install cable for MIF pico on LBB (with Izumi-san-tachi)?
• Add ballast mass to LBB.

2018-12-10

SRM

• Get LBB damper rods ready.
• Do final check of optic pitch and suspension health.
• Lock suspension everywhere except SF level.
• Install IM-RM safety bar.
• Remove arc weights and geophones.
• Blow dust off with airgun.
• Remove all pink tape, Kapton tape and writing on items.
• Disconnect cables.
• Remove tank lid + service ring.
• Crane suspension into tank, adding LBB damper rods and hooking LBB damper.
• Add tank lid + service ring.
• Put safety tape and/or crossbars on assembly frame.
• Remove tank lid without service ring.
• Remove First Contact.
• Remove safety bar.
• Unlock suspension (except for IP) and check alignment.
• Move feedthroughs and in-air cabling over.
• Test all electronics, starting with payload items.

SR3

• Configure/install new stepper driver SR3_IP.

SR2

• Set up OL.

Etc

• Inventory all electronic items.
• Check which LVDT cards are in which boxes.
• Help with floor work near SR racks.

2018-12-03

• f2f Meeting - no Kamioka work.

2018-11-26

SR3

• Install extension cord for OL.
• Update JGWDoc re HPCD moved to SRM.

SRM

• Get fasteners for OL shelf.
• Install OL shelf.
• Install extension cord for OL.
• Clear space for SRM swap.
• Ultrasonically clean metal parts associated with new SRM (except for solblack-coated ones) and tools.
• Install IM-IRM safety bar.
• Swap SRM glass mass.
• Add extra ≈1 kg to SF cap and adjust tilt.
• Center and fasten F0 yoke.
• Calibrate F0 GAS LVDT.
• Add arc weights and geophones.
• Improve centering/tuning of IP and SS alignment.
• Remove crossbars.

SR2 (not so low priority)

• Install extension cord for OL.
• Get fasteners for OL shelf.
• Install fasteners for OL shelf.
• Add more arc weights and tweak IP centering.
• Replace two borrowed geophones.

2018-11-19

BS

• Debug OL -> was temperature increase leading to sagging of GAS filters.

SRM

• Characterize geophones.
• Go/no-go test of all electronics items, especially SF/... section.
• Do vertical height budget.
• Disconnect SS from AF.
• Raise PI on jacks.
• Remove any remaining cable ties from SRM IP
• Unlock IP and center roughly.
• Check/adjust alignment of SS.
• Calibrate IP LVDTs.

SR2

• Set up OL pillar and shelf (with Akutsu-san).
• Add more arc weights and tweak IP centering.

2018-11-12

SRM

• LBB
  • Crane LBB ring sandwich to top of tank.
  • Set tank jacks to nominal height.
• Main sequence
  • Route in-vacuum cables.
  • Route in-air cables.
  • Run DC power cable to second stepper.
  • Install geophones in pods.

2018-11-05

SRM (top priority)

• Etc
  • Solder more cables.
  • Ultrasonically clean more cables.
  • Work out optimum LPCD output resistance; get one box modified.
  • Work out how to change LPCD watchdog threshold; get one box modified.
• LBB
  • Lay out LBB damper ring pieces near tank.
  • Put magnets on LBB magnet ring.
  • Move KOACH filters.
  • Put LBB damper rings in tank.
• Main sequence
  • Run DC power and network to SRM_IP stepper driver.
  • Add all steppers and picos to driver list and MEDM screens.
  • Prepare SF magnet ring.
  • Install #353 poles
  • Move NB-03 jacks down; disassemble top of AF.
  • Crane PI into AF.
  • Install F0-SF rod (#331) and flying saucer.
  • Route SF/... cables up to underside of F0.

  • Install weaker CuBe spring.

  • Add SF trim mass to leave 1.2 kg margin.
  • Tweak BF trim mass to compensate for new cables.
  • Measure bounce frequencies.

SR2

• Unclamp LBB ring sandwich.
• Set LBB receptacles to CAD positions.
• Remove spacers; get LBB hanging.

2018-10-29

SRM (top priority)

• Electronics
  • Cable soldering.
  • Get soldered cables ultrasonically cleaned.
  • Collect unused cables for return to AEL.
• PI
  • Finalize tuning.
• Main sequence
  • Cable/test SF LVDT and FR.
  • Decide and install SF internal ballast mass (1 Promec).
  • Reinstall SF cap.
  • Weigh SF/... section.

SR2

• Get parts for OL.
• Borrow geophone for Fujii-kun's test.

2018-10-22

SRM (top priority)

• Main sequence
  • Adjust H2 and H3 OSEMs laterally and in/out.
  • Weigh BF/... section and adjust trim mass to fix pitch/roll.
  • Anchor cables to BF cap.
  • Install SF crossbars.
  • Build up SS to SF ring.
  • Bring in SF.
  • Hook BF/... .
• PI
  • Add more cable clamps.

  • Wash and install CuBe spring.

  • Measure frequency and load capacity; adjust compression.
• Electronics
  • Scavenge HPCDs from SR2 and SR3.

SR2 (low priority)

• Gather items for SR2 OL.

Etc

• Tidy up:
  • Gather all PR/SR gluing tools and clean/label/organize them.
  • Move safety bar stuff to portable cleanroom between SR2 and SR3.
  • Clear space under SR3 stairs.
• Monitor AF disassembly.
• Get SR2 optical table moved to SR3 area (under stairs).
• Pull out geophone/OSEM testing cables.
• Make more feedthrough adaptors.

2018-10-14

SRM

• Main sequence
  • Connect up OSEM in-air cables and sat amps.
  • Cable and test BF LVDT and FR.
  • Adjust OSEMs laterally and in/out.
  • Install clamps on SF.
  • Add LAN hub.
  • Connect up ADC and DAC boxes - check IO
• PI
  • Compress blades.
  • Replace yoke in F0.
  • Install LBB blade units on PI.
  • Install geophone plates on PI.

SR2

• Add arc weights and geophones.
• Test IP items.
  • Geophones
  • LVDTs
  • Steppers
• Unlock and center IP.
• More TFs.

2018-10-07

Etc

SRM (top priority)

• Get DC power supplies and cable from Shimoda-San and take into the tunnel.
• Arrange power to SRM rack and get it running.
• Double-check level of BF (with bubble level).
• Set up OL to target optic.
• Tweak pitch of IM with picos.
• Install IRM side panels with OSEMs.
• Install calculated ballast mass.
• Replace yoke in F0.

SR2 (low priority)

• Receive extra cables (Type 1 and 2).
• Cable IP items:
  • Geophones
  • LVDTs
  • Steppers
• More TFs.

SR3

• Realign TILT OL.
• Align LEN OL.
• Diagonalize/calibrate LEN OL.

2018-10-01

Etc

• Take SRM LVDT driver out of rack for Lucia.

SR2

• Turn off KOACH filters in tank and see if BF keystone rises.
• Install shelves in small rack, and put sat amps, drivers, etc inside.
• Run power and network to pico drivers and steppers.
• Test picos.
• Test GAS steppers.
• Adjust pitch/roll of IM with picos.
• Offload BF GAS LVDT offset with FR stepper.

SRM

• Add TM OSEM cables.
• Set TM pitch and tighten clamps.
• Set RM pitch and tighten clamps.
• Remove winch system and restore items removed from top of IM.
• Weigh IM/... section.
• Add BF crossbars to AF.
• Build up SS to BF level.
• Suspend IM/... section and adjust ballast/trim masses.
• Test TM coils, IM picos.
• Install 3 feedthroughs on AF.

2018-09-25

SR2

• Move unused beams and other clutter from -Y side of SR2 tank (second floor).
• Open tank and move feedthroughs.
• Reconnect in-vacuum cables.
• Move in-air cables, with priority on IM OSEMs, then IM picos and BF/SF GAS and FRs.
• Remove IM-RM safety bar.
• Unlock and realign SF/... section.

2018-09-18

Etc

• Update electronics items lists to reflect removed ADC stuff, etc.

SR2

• Check SF keystone height and offload with FR as necessary.
• Adjust ballast/trim mass of SF, with reserve for yaw stepper.
• Set SF damper magnet ring height.
• Check/tweak optic pitch.
• Crane suspension into tank.
• Remove First Contact.

2018-09-10

SR2

• Finish in-air cabling (sort out and relabel rack and feedthrough ends of any repurposed cables).
• Do basic go/no-go test of electronic items.
• Cable PI items.

2018-09-03

Etc

• Check SR2-SR3 duct (since Mirapro moved it) to see if we have adequate space at both ends.
• Help crane inspectors on Monday and Wednesday mornings.
• Inspect all crane slot curtains (SR, BS, PR), note which are missing, and decide which should be closed up immediately versus later. (For example, SR2 and SR3 have missing curtains that could be replaced semi-permanently because we probably don't need to crane stuff into those areas anymore.)
• Shut down all electronics before leaving on Friday.
• Calibrate last six IM OSEMs.

SR2

• Cable PI items
  • LVDTs
  • Steppers
• Do basic go/no-go test of electronic items.
  • IM OSEMs.
  • IM Picos.
• Check/tweak alignment of chain and security structure.
• Fix IM yaw.
• Check alignment of IM OSEMs.
• Center all IP FRs.
• Add arc weights and geophones and center IP.
• Install geophone plates on PI #1 for SR2.

2018-08-27

SR3

• Hook LBB.
• Tune IP.

SR2

• Adjust ballast/trim mass, with reserve for yaw stepper.
• Cable/test PI items (LVDTs, steppers, geophones; Kozu-kun++).
• Set damper height.
• Add arc weights, adjust IP.

SRM

• Get feedthroughs.
• Get arc weights.
• Set up pitch-setting OL.

2018-08-20

SR3

• Continuation of damper test.

SR2

• Improve SF/... cabling.
• Stage LBB damper rings in tank.

SRM

• Check gluing result (success!).
• Assemble RM.
• Add IM ballast masses (we forgot this before).
• Get parts from AOL and set up new pitch-setting OL.
• Hang metal mass.
• Hang RM.

2018-08-15

SR3

• Controls work (Enzo and team).
• Diagonalize OL (Terrence).
• Do SF damper test (Hatoya-san).

2018-08-06

SR3

• Align OSEMs and do final adjustment of pitch.
• Do TFs.
• Close control loops.
• Set up final TILT OL.

SR2

• Fix alignment of Cu segments and damper ring.
• Do height budget, decide keystone height.
• Install SF cap masses with reserve for cables and yaw stepper.
• Cabling.

SRM

• Position, align and clean AF.
• Install IM ring and IM.
• Glue prisms and magnet standoffs.

2018-07-30

SR3

• Check pitch.
• Set up new temporary OL with QBD and calibrate.
• Run power to steppers and picos and test them.
• Offload BF GAS LVDT offset.
• Align IM OSEMs (we started this but screwed it up initially).
• Debug stuck bit in BIO (it was a bad 37-pin gender changer).

SR2

• Fix SS alignment.
• Check bounce frequency.
• Install Cu segments and damper ring.

2018-07-24

SR3

• Remove tank lid leaving service ring.
• Move feedthroughs.
• Lay new cables.
• Calibrate PI LVDT and FR actuation.
• Remove safety bar and unlock suspension.
• Remove First Contact.
• Restore payload alignment, especially pitch.
• Cable geophones.

SR2

• Add cable clamps to PI.
• Crane in PI.

• Change to stronger CuBe spring.

SRM

• Do inventory of parts.

2018-07-17

Main Sequence

• Find LBB damper rods and associated parts.
• Check/restore verticality of security structure.
• Set SF damper magnet ring height.
• Check/correct IP LVDT polarities.
• Calibrate IP FR sensing.
• Set safety screw and safety nut on F0 keystone; remove Kapton tape.
• Set up optical lever.
• Check/restore alignment of payload, especially optic pitch.
• Do token TFs (time permitting).
• Lock F0 keystone.
• Lock suspension laterally except for SF level.
• Add IM-RM safety bar.
• Disconnect all cables at inside of feedthroughs.
• Remove top of tank (including service ring).
• Set tank jacks to nominal height (50 mm).
• Lift suspension.
• Install LBB damper rods.
• Crane suspension into tank.
• Hook LBB damper rods.
• Replace tank lid and service ring.

F0/LBB/Tank Stuff

• Help Sato-san with swapping IP in PI #2.
• Crane IP to second floor.

2018-07-09

• Get studs for arc weights.
• Get laser level, preferably the red Tajita one.
• Finish in-vacuum cabling.
• Correct flipped connections in SR3 PI LVDTs.
• Tune PI LVDT driver box.
• Plug in spare sat amps.
• Install geophones.
• Install arc weights.
• Tune IP.
• Make three in-air stepper splitter cables for SR2, SR3 and SRM.

F0/LBB Stuff

• Clear space for PI #2 (SRM) work.

Software Etc

• Check S-numbers of BS sat amps and SR sat amps returned to Mozumi, and update electronic items lists.
• Review/improve macro file fixes for split models; write klog; submit changes to SVN.

2018-07-02

• Decide whether to install ballast mass inside SF.
• Install SF ballast mass inside or on top, less reserve for cables.
• Route cables around SF up to flying saucer and PI.
• Finalize SF trim mass.
• Unclamp assembly frame at IM level.
• Unlock and center IP.
• Characterize more blades.
• Build filter in PI #1 for SR2.

2018-06-25

• Reconfigure top of AF.
• Apply magnets to damper ring with template.
• Put damper magnet ring on top of SF, with spacers to protect Cu segments.
• Crane in SR3 PI, adding SS poles and damper ring rods.
• Set up for tuning SR2 PI.
• Hook SF and SF damper ring, adjust F0 compression, SF ballast.

2018-06-18

• Tweak BF total trim masses.
• Cable, test SF FR.
• Replace ceramic thrust bearing in PI #3 with metal one (do PI #1 as well if time).
• Install AC bandpass filters in SR3 WD filters.
• Check coil filter gains for compensation of magnet polarities (confirm SR3 IM, set and confirm SR2 and SR3 TM).
• Fix link to SUS_CUS_BSFM_BIO.adl in VIS_CUST_TYPEB_OVERALL.adl.
• Rename VIS_CUST_BS_BIO.adl screen to VIS_CUST_TYPEB_BIO.adl and adjust links.
• Fix hardwiring to BS in VIS_CUST_TYPEB_IP_WD_AC_BANDLIM.adl (ACC H2 and ACC H3 sections).
• Fix broken CD State field in VIS_CUST_TYPEB_OVERALL.adl.

2018-06-11

Main Sequence

• Debug stuff.
  • Finish debugging BS BIO.
  • Make SR3, SR2, SRM like BS.
  • Swap the LPCD to HPCD.
  • Fix IM coil gains to compensate magnet polarities.
• Add Cu ring, cable clamps to SF cap.
• Set up software pico drivers for SR3_IM and SR3_BF.
• Install L-brackets on BF and SF rings.
• Add extra spacers under SF to give more jack range.
• Suspend BF/... section.
• Adjust BF trim mass.
• Route cables through SF-BF flying saucer up to bottom of SF.
• Readjust BF trim mass.
• Readjust payload.

Software

• Fix white channels on BS screens (will probably be an issue for SRx models if/when split).

2018-06-04

Main Sequence

• Cable and test BF cap picos.
• Build up security structure to SF level.
• Crane in SF and remove cap.
• Hook BF.
• Characterize final F0 blades.
• Build F0 for PI #3.

2018-05-28

Main Sequence

• Modify and clean Promec masses at Mitaka (making threaded holes unthreaded to allow stacking).
• Test LVDT driver repaired by Tanaka-san.
• Install internal ballast masses.
• Install cap ballast masses.
• Build LBB blade units.
• Install LBB blade units in PIs #3 and #1.
• Add cable clamps to PI #3.
• Remove prototype blades from PI #3.
• Install other half of SR3 LBB top ring.
• Install maraging rod receptacles in SR3 LBB damper rings.
• Install damping filters for IM OSEMs.
• Finish four half-assembled geophones.

2018-05-21

Main Sequence

• Cable and (re-)test TM OSEMs, IM picos, BF yaw pico, BF LVDT and FR.
• Install IRM sides, and IM OSEMs.
• Center IM OSEMs (in/out and laterally)
• Route all cables to underneath BF.
• Add BF internal ballast mass.
• Add BF cap.

F0/LBB Stuff

• Create LBB blade sets (if screws are available)
• Install LBB blade sets on PIs #1 and #3 (if possible).
• Install cable clamps on PIs #1 and #3.
• Put LBB damper rings in SR3 tank.

2018-05-14

Main Sequence

• Crane in BF.
• Add IRM top plate, maraging rod, flying saucer.
• Suspend IM, check pitch, roll and vertical, adjust trim mass.
• Final prep for F0 prototype blade test (5/14)
• F0 prototype blade test with Takahashi-san (5/15 or TBD)
• Characterize top filter prototype blades.
• Decide final top filter blade parameters and order.
• Characterize LBB blades.

2018-05-07

• Rehang optic and RM.
• Install lower section of SS.
• Install IM-BF section of SS.
• Prepare for IM/.. weighing.
• Disassemble PI #3 in SRM area.
• Prepare for F0 blade prototype characterization.
• Get SRM mushroom installed.

2018-04-23

• Get 8xM8x40 screws for feedthroughs.
• Attach feedthroughs to AF.
• Get LVDT driver with one good and one bad card for Tanaka-san.
• Start SR3 Hang
  • Find wires, wire clamp items.
  • Install winch system.
  • Move KOACH filters, mirror box and table to near AF.
  • Hang optic.
  • Set up OL.
  • Set optic pitch.
• Clean parts (cable clamp bases, etc, etc).

2018-04-16

• Move SF and BF for SRM out of the way.
• Check results of gluing.
• Glue new metal prism on SR3 to replace one with failed bond.
• Build 1xRM
• Calibrate OSEMs.
• Start SR3 Hang
  • Reset assembly frame crossbars to correct heights.
  • Center the optical table.
  • Align the assembly frame vertically.
  • Install IM ring and IM.
• Find fourth feedthrough for SR2, 4 more for SR3.

2018-04-09

• Glue prisms and magnet/standoff assemblies on SR3.
• Glue ferromagnetic disks into IM flags (now have two sets of six, for SR3 and SRM).
• Calibration of LVDT and FR for 2 BFs and 2 SFs.
• Two IMs mostly built.

2018-04-02

• Get SR3 model running.
• Receive SR3, fix FC.
• Make magnet-standoff assemblies (two sets, for SR3 and SRM).
• Inventory of payload parts.
• Finish mechanical adjustment of 2 BFs and 2 SFs.
• Finish rack work (except for missing boxes).

2018-03-26

• Tune one BF, rebuild one BF, test two SFs.
• Do SR3 in-air cables.
• Run power supply directly to SR3 (instead of via SR2).
• SR2 TFs.

2018-03-19

• Make one geophone pod, mostly finish 4 more.
• Set dummy BS to soak.
• Assemble 12 OSEMs.
• Make pair of in-air pico cables (for SRM).

2018-05-28

BS Assembly

• Calibrate LEN OL

2018-03-12

BS

• Prepare BS Chamber
  • Remove non-vacuum-compatible ballast from LBB.
  • Check for lost tools.
  • Wipe down all accessible areas inside tank with Vector Alpha wipes and ethanol.
• Help Type Bp Team
  • Add screws to cables at PR2 feedthroughs.

SR3/SRM

• Add boxes to SR3/SRM racks.
• Disassemble two BFs and characterize all SF BF blades.
• Correct SF-BF yaw issue.
• Send OSEM stuff to Mitaka.
• Prepare for geophone assembly.
• Pack, send off SF caps for remachining.

2018-03-05

SR2

• (Remove the non-vacuum-compatible ballast mass from the BS tank.)
• (Secure all the PR2 feedthrough connections with screws.)
• Get empty rack for SRM.
• Calibrate the SR2 SF LVDT sensing and actuation, and the FR.
• Measure the bounce frequencies of the SF with and without the cap, and the bounce frequency of the BF.
• Tried different SF caps.

2018-02-26

SR2

• (Remove LBB temporary ballast masses from BS chamber.)
• Route cables up to under SF.
• Cable/test BF cap picos.

2018-02-19

SR2

• Do TFs from IM OSEMs to IM OSEMs, OL pitch/yaw.
• Claose BF, runs cables upwards.
• Weigh/trim BF/... .
• Build up AF and add SF.
• Suspend BF.

2018-02-13

SR2

• Build IRM around IM.
• Cable/test/adjust IM OSEMs.
• Send OSEM parts back to Mitaka so that Shoda-san can assemble them in Mitaka.
• Test/calibrate BF FR.
• Derive matrices.
• Screen and model fixes.

2018-02-05

SR2

• Empty out gowning cleanroom in prep for roof work.
• Check PR3 area for Ø10x10 IM flag magnets.
• Make in-air pico adapter cables.
• Label in-air pico adapter cables.
• Cable IM picos through to driver.
• Cable BF LVDT through to driver.
• Check LVDT resistances and inductances at various points from coils to rack.
• Cable BF FR stepper through to driver.
• Calibrate LVDT.
• Test IM picos and BF yaw pico.
• Install ballast mass in BF.
• Remove stuff from changing area in preparation for installing SS sheet.

2018-01-28

SR2

• Install IRM.
• Adjust IM OSEMs.
• Cable IM OSEMs.
• Do TFs from IM OSEMs to IM OSEMs, OL pitch/yaw.
• Install pre-calculated BF trim mass.
• Lift

2018-01-22

SR2

• —(Debug keystone issue.)—
• Cable yaw pico and LVDT on new BF.
• Calibrate LVDT on new BF.
• Adjust IM/RM/SR total mass and pitch/roll balance.
• Test IM picos.
• Prepare SR3 area for PI test.
• Check BF yaw pico.

2018-01-15

SR2

• Set up SR2 rack
  • Get more 1-m power cables and connect up remaining boxes. (No orange ones left - used yellow temporarily.)
  • Run LAN and power cables for stepper drivers.
• Cable RM OSEMs to rack.
• Setup QPD and cable to rack.
• Fix links to OPLEVINF filter screen from chain screen.
• Initialize gains and matrix elements for SR2 OL.
• Wash parts for flying saucers.
• Test nuts for flying saucers.
• Order more nuts for flying saucers.
• Add DRIVEALIGN button to overview screen.
• Check sizes and in-stock numbers of screws for geophones.
  • 20 x M8*35 (need 3*16=48)
  • 35 x M8*30 (need 3*8=24)
  • 4 x Viton disks (need 4)
  • 123 M8 washers (need 3*24=72)
• Do TFs from RM OSEMS to OL pitch/roll.
• Make IM OSEMs.
• Install load gauge adapter.
• Lift IM/RM/SR with LGA, check/adjust total mass and pitch/yaw balance.
• Crane in BF.
• Install BF-IRM rods and top plate of IRM.
• Install BF-IM rod with flying saucer.
• Hook IM.
• Route cables via flying saucer up to under BF.

2018-01-09

SR2

• Center IM.
• Set up optical lever for leveling optic.
• Hang optic.
• Hang RM.
• Install bottom section of SS.
• Cable up OSEMs.
• Do inventory of ballast masses.

2017-12-25

SR2

• Recover from power outage.
• Calibrate BF LVDT.
• Route in-vac cabling for OSEMs.
• Route in-vac cabling for steppers
• Fix SR2 RTM.
• Wipe/blow frame.
• Drape clean bag.
• Reinstall L-brackets
• Crane in IM.
• Install new jack receptacles (in SR3 area, second floor) on load gauge adapter (SR2 area, second floor).

2017-12-18

SR2

• Assemble SR2 IP.
  • Final assembly.
  • Test IP picos.
• Assembly frame stuff:
  • Center and immobilize optical table.
  • Adjust verticality of assembly frame.
  • Remove internal crossbars for SF and BF.
  • Adjust external crossbar heights.
  • Install red bars and IM ring.
  • Ship L-brackets to Mitaka and remachine.

BS Assembly

• Re-zero OL.

2017-12-11

SR2

• Double check prism heights.
• Do mirror gluing.
• Check mirror gluing.
• Hassle Miyo-kun for pico driver.
• Set up for testing IP with pico driver.
• Make pico cable.
• Glue Misumi plug in movable mass (also glue remaining disks in IM flags).
• Find BF accessories.
• Weigh BF.
• Find in-vac cables:
  • 2 x Type 3-6m
  • 4 3 x Type 4-1.5m
  • 7 x Type 2-2m
• Set up SR2 rack
  • Get ADC/DAC/DIO cards
  • Get cables/cards for SR2
  • Get BIO white cables x 10
  • Hassle Miyakawa/Yamamoto to connect rack to DC power, Internet, etc.
  • Get SR2 real-time model running (Yamamoto-san).
  • Move trolley system from SR3 to SR2.
• Find and attach feedthroughs.
• Find circuit boards for geophones (Okutomi-san says we have 5 free plus 5 tied up in his experiment till Feb-Mar 2018.)
  • Check if they have sockets soldered on. (Yes.)
  • Check if they come with hex posts. (Yes.)

2017-12-04

BS Assembly

• Diagonalize OL.

2017-11-27

• Bring SR2 into tunnel.
• Bring spare mirror box into tunnel.
• Bring 6 L-brackets for chassis boxes into tunnel.
• Bring cleaned parts from near ultrasonic cleaner into tunnel.
• Move SR2 rack into position.
• Set up SR2 rack
  • Add L-brackets to new whitening filter and two HPCDs (one in BS rack).
  • Get ADC/DAC/DIO cards.
  • Get cables/cards for SR2:
    • 5 DSub-37 cables (tent)
    • 5 DSub-15M to DSub-9M adapter cables (tent)
    • 2 DSub-9 FF gender benders (for LVDTs)
    • BNC-LEMO adapter (for LVDT sig gen)
  • Screw boxes into rack.
  • Update SR2 suspension items doc.
  • Run cables to assembly frame.
  • Find feedthroughs.
• Transfer spare mirror to spare mirror box.
• Transfer SR2 to good mirror box.
• Find mirror gluing items:
  • Prism micrometer stages
  • Prism jigs
  • Lenses for inspecting scribe lines

2017-11-13

BS Assembly

• Realign OL.
• Cover OL with foil.

• Offload IP P&Y offsets to picos.

• Move stuff out of PR2 area.
• Tidy/label parts.

SR2

• Huge cleanup!
• Find collet from maraging rod adapter.
• Make notes on where ladder needs to go.
• Take photos and make notes about where SR2 safety bars need to go (time permitting, also SR3).
• Wrap and label BS parts.
• Bring work table from PR2 area.
• Bring racks from SRM area.
• Look for needed screws, especially for IM.
• Find mirror gluing items.
  • Prisms
  • Secondary prisms
  • Magnets
  • Magnet bases
  • Magnet jigs
  • Balance
  • Stirrers
  • Mixing dishes
  • EP30

2017-10-16, 2017-10-24

BS Assembly

• Borrow "portable hard drive".
• Remove sticker residue and permanent marker writing on PI.
• Fix broken and unreliable connections on IP LVDTs.
• Reconfigure the stepper motor cables for Miyo-kun.
• Add IP LVDT gains and offsets to IP_LVDTINF filter blocks.
• Install damping filters for IP LVDTs.
• Install and debug IP LVDT and geophone diagonalization matrices.
• Work with alignment team.
• Work with Mirapro on SR LBB and tank installation (Hirata-san, from Wed)
• Work with Miyo-kun to get user interface for stepper motors.
• Calibrate IP FR actuation against IP LVDT sensing.
• Lower LBB by 17.5 mm; suspend and rebalance after removing table KOACH filters.
• Reroute cable to eliminate need for fifth feedthrough.

BS Software

• Enter new IP matrices and do safe.snap.
• Send stepper driver info to Miyo-kun.
• Add support for comments to SUMCON.
• Derive matrices for IP FRs.

2017-10-10

BS Assembly

• Account for second bubble level (might be on BF).
• Borrow portable hard drive.
• Clean up sticker residue and magic marker writing.
• Remove LVDT modules; identify screws.
• Check that all in-air cables are labeled.
• If possible, reroute cable to eliminate need for fifth feedthrough.
• Debug all electronics, especially actuation.
• Calibrate all LVDTs. BF, SF, PI-GAS, PI-H1, PI-H2, PI-H3
• Install small KOACH filters on LBB.
• Remove First Contact.
• Cable optical lever (Simon, Enzo)
• Align optical lever (Simon)

BS Software

• Enter new IP matrices and do safe.snap.
• Send stepper driver numbering info to Miyo-kun.
• Add support for comments to SUMCON.

2017-10-02

BS Assembly

• Tidy up and cover things to prepare for SR2 crane slot work.
• Replace BS service port covers.
• Check for bubble level and other tools in tank.
• Remove stickers on IP and clean with ethanol (some were missed last time).
• Fix broken pico adapter cable?
• Debug all electronics, especially actuation.
• Check IP yaw.
• Recheck centering of suspension in assembly frame.
• Get pico drive screens fixed (Miyo-kun)

2017-09-25

BS Assembly

• Move in-air cabling and feedthroughs and reconnect in-vacuum cables (through Cu O-rings).
• Fix #1 geophone adapter cable.
• Unlock IP; use jacks and FRs to center.
• (Debug issue with tilted IRM!)

BS LBB

• Decide final in-vacuum and in-air cable routing.
• Unclamp LBB ring sandwich; fully suspend Cu ring.
• Unscrew LBB from tank brackets.
• Hook LBB.
• Remove TBD amount of spacers from between LBB and tank brackets.
• Set LBB blade stops to nominal height.
• Extend foot screws on LBB to just barely support LBB.
• Adjust height of LBB magnet ring to set proper gap (4 mm??).
• Retract LBB foot screws.
• Add temporary ballast to LBB until LBB blades just barely sink below stops.
• Check distance from LBB to main beam height (or other suitable reference); adjust by screwing receptacles.
• Set foot screws to give ≈5 mm (or TBD) movement range of LBB below nominal.
• Set stop on LBB blades to give ≈3 mm (or TBD, less than Cu-magnet gap) of LBB above nominal.

2017-09-19

(No work Monday 9/18)

BS Assembly

• Debug BF LVDT actuation.
• Check F0 yoke height (top of coil former should be 37.5 mm above bottom of recess in top of baseplate) 36mm.
• Test all PI items:
  • Yaw stepper (tested, not clearly working).
  • F0 LVDT sensing
  • F0 LVDT actuation
  • Calibrate F0 LVDT.
  • Horizontal LVDT sensing
  • Horizontal LVDT actuation
  • Geophones (issues with driver, cables, descramblers)
• Lock the F0 and SF keystones and measure the resonance frequency of the BF GAS 2 Measurements: f1=0.443 Hz, f2=0.454 Hz.
• Lock the SF and BF keystones and measure the resonance frequency of the F0 GAS 2 Measurements: f1=0.208 Hz, f2=0.210 Hz.
• Double check BS pitch with OL.
• Adjust SF damper ring to correct gap.
• Install lock nuts on F0 GAS FR at TBD positions.

• Lock BF and F0 keystones (but not SF keystone).

• Lock RM to BS, IRM to IM and IM to RM.
• Lock RM, IRM and BF (but not SF) to security structure.
• Lock IP.
• Remove F0 keystone top plate (including yaw stepper) and immobilize SF/... in yaw.
• Attach lifting fixture.
• Remove BF- and SF-level crossbars.
• Remove geophones for craning.
• Disconnect in-vacuum cables from feedthrough and coil neatly for craning.
• Attach lifting plates.

BS Tank Prep

• Attach Cu segments to LBB damper ring.
• Pass halves of LBB magnet ring into tank, join, and make sandwich for craning.
• Crane tank lid off.
• Crane LBB damper rings to top of tank and suspend.
• Crane suspension out of assembly frame.
• Attach LBB upper rods to LBB blade tips and rotate suspension 45° clockwise.
• Crane suspension into tank and connect upper rods to LBB Cu ring.
• Fix poorly seated head.
• Unlock suspension and readjust.

2017-09-11

BS Assembly

• Debug other actuation.
• Remove F0-SF rod and reinstall with hex cable clamp.
• Route cables up past hex cable clamps.
• Adjust SF trim mass for pitch/roll/vertical.
• Route all SF/... cables through to the flange and test.
• Cable all PI items through to the flange.
• Disconnect the SS from the AF.
• Recheck/adjust SF/... yaw.
• Roughly level the PI so as to make the SS vertical.
• Unlock the IP and adjust the level of the PI and the horizontal FRs to center the IP.
• Test all PI items:
  • Horizontal steppers
  • Geophones
• Lock the F0 and BF keystones and measure the resonance frequency of the SF GAS. 425 mHz
• Fix links to ADC_MONITOR screens.
• Check that all Take/Restore Safe.snap buttons work.
• Check that we still have all LBB parts (there was an issue with borrowed lock nuts).
• Wipe LLB damper parts with ethanol.
• Install LBB Cu damper ring in tank (less Cu for now).
• Apply magnets to LBB Magnet rings.
• Clean rust from screw holes in LBB magnet ring.

2017-09-04

BS Assembly

• Crane out SF.
• Raise BF cap and retrieve lost hex cable clamp PEEK piece.
• Crane in SF.
• Install SF-BF rod with hex cable clamp.
• Route cables via hex cable clamp up to below SF.
• Adjust BF ballast mass for total weight and pitch/roll.
• Look for missing screw from SF damper Cu segment in washed screws bag and reinstall.
• Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
• Calibrate SF LVDT.
• Install SF main ballast mass.
• Cable and test SF fishing rod stepper.
• Add SF cap.
• Lift and weigh SF/... section.
• Rearrange arc weights on PI to allow installation of magic wand.
• Install magic wand on PI.
• Rearrange magnets on SF damper magnet ring for full three Cu segments.
• Find Ni-plated rods for SF damper magnet ring and do fit check.
• Find PI-SF rod with 8 mm heads and matching receptacles and do fit check.
• Get Cu O-rings for feedthroughs.
• Recalibrate remachined LBB springs and choose best three.

2017-08-28

BS Assembly

• Wrap new IM bottom ballast masses (Mozumi).
• Install new IM masses.
• Set up optical level.
• Adjust IM ballast mass to give desired roll/pitch/vertical.
• Level BF.
• Cable BF LVDT, test and calibrate.
• Adjust top of IRM to level.
• Install IRM side panels.
• Install IRM OSEMs.
• Cable IRM OSEMs and test.
• Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops.
• Add extra ballast mass to BF.
• Add BF cap but don't anchor cables.
• Cable and test BF cap picos.
• Lift BF/IRM/IM/RM/BS and weigh.
• Adjust BF ballast if necessary.
• Crane in SF.
• Remove Kapton tape from PI.

BS Electrical

• Remove cling wrap in BF and install vacuum-compatible heat shrink.
• Remove cling wrap on connections for PI vertical stepper and install vacuum-compatible heat shrink (needs wider diameter heat shrink or smaller pins).
• Rewire PI horizontal steppers with vacuum-compatible cable.

2017-08-21

BS Assembly

• Wrap new IM bottom ballast masses (Mozumi).
• Install new IM masses.
• Set up optical level.
• Adjust IM ballast mass to give desired roll/pitch/vertical.
• Level BF.
• Cable BF LVDT, test and calibrate.
• Adjust top of IRM to level.
• Install IRM side panels.
• Install IRM OSEMs.
• Cable IRM OSEMs and test.
• Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops.

BS Electrical

• Remove cling wrap in BF and install vacuum-compatible heat shrink.
• Adjust yoke on BF to put top of secondary at 3.5 mm above top of baseplate (or to give ≈0 counts at nominal height).

BS Real-time and SUMCON models

• Create a proper DAC Monitor MEDM screen.
• Improve ADC Monitor MEDM screen.

2017-08-16

Facilities

• Move cardboard box with old BF to storage.
• Tidy up Hirata-san's stuff in genkan of cleanbooth.

BS Electronics

• Return spare two Type5-2.2 cables to Sato-san's store.
• Rip out remaining old in-air cabling.
• Reinstall LVDT chassis.

BS Assembly

• Remove LBB blade assemblies from PI.
• Remove LBB blades from holders.
• Remove LBB rings.
• Send rings for recleaning.

2017-08-07

BS Electronics

• Route new (longer) TM OSEM cables.
• Recable/test IM-PIT/ROL/YAW picos.
• Recable/test BF Stepper.

BS Assembly

• Weigh filter lifting rod plus whatever other items used by Hirata-san in BF load capacity measurement.
• Finish adjusting in/out of TM OSEMs.
• Hang RM.
• Remove endplate of IM, check pico centering.
• Weigh/trim IM/RM/TM
• Bring in BF.
• Install IRM top plate.
• Hook IM/RM/BS.

2017-07-31

Facilities

• Re-secure floor panels around tank.
• Wipe entire frame; blow dust out of grooves.
• Organize new OL for setting BS pitch (Fabian).

Design/Documentation/Planning

• Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).

BS Assembly

• Remove dummy BS from RM.
• Install coil-only OSEMs.
• Measure coil resistances of wide-mouth OSEMs, new coil-only OSEMS (for Michimura-san).
• Look up log book to find serial numbers of old coil+sensor RM OSEMs.
  • 2016-09-07: H1 = #22, H2 = #23, H3 = #25, H4 = #26
• Pack RM coil+sensor OSEMs, label them with original serial numbers, and return them to Akutsu-san.
• Reassemble top of AF.
• Check verticality of AF, height of crossbars, centering of optical table.
• Move NB-03 jacks at PI level of AF to top level.
• Set height, level of IM support screws.
• Install IM.

2017-07-24

BS Electronics

• Look for LVDT driver box Syyxx3134.
• Make sure SR3 boxes have notes on their JGW-S.... document pages.

BS Assembly

• Remove BF-SF cables (note which had gender benders and which had extensions).
• Remove SF.
• Remove SF SS ring and poles.
• Move (or remove) SF AF crossbars.
• Remove IRM.
• Remove old BF.
• Remove RM and dummy BS.
• Characterize blades (1,2,3,4,5,6,7).
• Rebuild BF.
• Check gluing result.
• Cleanup optic after failed secondary prism bonds.
• Cleanup jigs/prisms after failed secondary prism bonds.
• Reglue secondary prisms.

2017-07-17

Facilities

• Get blue underwear for Yoshioka-kun.

Design/Documentation/Planning

• LBB ballast mass.
  • Do improved mass budget.

BS Assembly

• Try to remove galled pole.
  • Consult with Takahashi-san.
  • Get alcohol in squirt bottle.
  • Try removing pole with alcohol as lubricant.
• Inspect, finish setting up filter service area.
• Search for wire.
• Glue flags/prisms.

2017-07-10

Facilities

BS Prism/Flag gluing

• Search for prisms (Mark/Enzo).
• Clean magnet jigs, prisms (Hirata).
• Assemble (with glue) magnet jigs. (Mark)
• Glue flags/prisms.

Design/Documentation/Planning

• Order longer threaded rods for arc weights on PI (Hirata-san).
• Final ballast mass design for BF and SF.
  • Do revised drawings (Hirata-san).
  • Decide final numbers.
  • Get quote.
  • Place order.
• Final ballast mass for IM.
  • Final design (Fabian).
  • Drawings (Hirata-san).
  • Get quotes (Hirata-san)
  • Place order (Hirata-san).
• Measure total LBB load capacity.

BS Electronics

• Document LVDT driver rebuild and other changes.

BS Assembly

• Search for wire (Mark/Enzo).
• Experiment with rearranging arc weights to accommodate magic wand.
• Remove arc weights; load onto LBB; measure total load capacity.
• Unload arc weights and store.
• Disconnect cables (Mark/Enzo).
• Connect tank lid to tank ring (Mark/Enzo).
• Dismantle LBB and rings.
  • Remove screw feet.
  • Replace blocks.
• Reinstall spacers and clamps on LBB damper rings.
• Unhook rods supporting LBB intermediate ring.
• Crane out suspension.
• Crane down rings.
• Remove rings.
• Send rings for recleaning.
• Reinstall AF crossbars and jacks.

2017-06-26

BS Prism/Flag gluing

• Organize transport company for Kashiwa->Kamioka

• Collect mirror, mirror box, tools etc from Kashiwa.
• Ship mirror to Kamioka via Akabou.
• Ship gluing tools to Kamioka via Yu-Pack.
• Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san).
• Get magnet jigs remade (ATC).

Design/Documentation/Planning

• Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).

BS Electronics

• Fix #0 LVDT actuator coil.

2017-06-26

BS Prism/Flag gluing

• Push Hirose-san to set exact date.

• Organize NAOJ vehicle for Mitaka->Kashiwa

• Collect all items required.
  • Mirror box.

  • Prisms. (not found!)

  • Stub flags.

  • Magnets: SmCo, 2 mm diameter, 3 mm long

  • Prism jigs
  • Flag jigs
• Glue magnets to flags, 2 N, 2 S.
• Organize clean suits.
  • Make a list of people's sizes
  • Get Mark/Enzo to bring from Kamioka.

BS Assembly

• Adjust pitch/yaw/vertical of dummy optic.
• Crane tank lid on.
• Start TFs.

BS Electronics

• Wash extra F-F gender benders.
• Fix broken picomotor cable.
• Sort out naming convention for PI LVDTs, geophones and horizontal steppers.

BS LSOL

• Assist Simon with hardware installation of LSOL.
• Assist Simon with modifications to realtime model for LSOL.

BS Real-time and SUMCON models

• Derive and install PI LVDT matrices.
• Check LSOL section of k1visbs model.

2017-06-19

Facilities

• Remove cling wrap from stuff.
• Plug stuff back in (charging station, KOACH filters, OL etc).
• Power up rack.

BS Assembly

• Remove crossbars below BF and SF.
• Set SF damper to 4 mm clearance.
• Find wrenches for vacuum tank jacks (41 mm and possibly 75 mm).
• Adjust jacks to nominal height.
• Do up all EQ stops etc (except SF).
• Remove geophones (temporarily, for craning).
• Crane suspension into tank.
• Hook LBB Cu ring.
• Hook LBB.
• Crane vacuum tank lid+ring back on.
• Remove vacuum tank lid (only) and store on pallet.
• Add ballast to LBB.
• Replace geophones.
• Unlock all but IP and check pendulum is centered in security structure. Adjust with jacks.
• Unlock IP and adjust to center with jacks.

BS Electronics

• Disconnect in-vacuum and in-air cabling from feedthroughs (label in-vacuum ones).
• Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring.
• Reconnect in-vacuum cabling.
• Adjust in-air cabling to match 135° rotation of BS.
• Reconnect in-air cables. (all but 4)

2017-06-12

BS Assembly

• Check pitch/roll of SF and adjust trim as required.
• Prepare LBB.
  • Attach LBB outriggers and rod receptacles.
• Prepare LBB Cu ring.
  • Remove from tank, fix incompletely threaded holes, reinstall in tank.
  • Lay down spacers to protect magnets (in next step).
• Prepare LBB magnet ring.
  • Disassemble.
  • Pass pieces into tank.
  • Reassemble on top of Cu ring.
• Install LBB damper.
  • Bind LBB damper rings together with slings.
  • Remove vacuum tank lid and ring.
  • Crane rings up to install height, hook LBB magnet ring and support LBB Cu ring by TBD method.

BS Electronics

• Cable and test PI yaw stepper.
• Cable and test PI vertical stepper.
• Cable and test PI horizontal steppers.
• Cable and test PI horizontal LVDTs.
• Finalize OSEM cable lengths and update D1503600, E1503091 and Sato-san's spreadsheet.
• Recount cables in box and in test hang, and update Sato-san's spreadsheet.
• Cable and test PI vertical LVDT.
• Debug/fix PI vertical LVDTs #0 and #2.
• Debug/fix geophone #1.

2017-05-29

Facilities

Design/Purchasing

• Get more cable ties.

BS Assembly

• Reinstall blades in LBB blade units.
• Do load test on LBB blade units.

BS Electronics

• Route BF/... cabling up past SF to PI.
• Route SF cabling up to PI.
• Add Type 3 extensions to SF/... cables.
• Move vacuum flanges to positions on assembly frame more convenient for next stage (accessible from second floor, one on each corner of frame).
• Move in-air cabling to match flange positions.

2017-05-22

Design/Purchasing

• Design, order modifications to LBB blade springs.
• Get more duckboards.

BS Assembly

• Find geophone adapter plates.
• Ultrasonically clean geophone adapter plates and screws.
• Install geophone adapter plates.
• Get more PEEK clamp pieces from Sato-san and install.
• Lift PI and hang LBB damper ring.
• Crane PI back in.
• Install rod, this time with hex cable clamp.
• Re-hook SF/... section.
• Trim SF/... section.
• Install geophones.

BS Electronics

• Debug and calibrate SF LVDT.
• Debug stepper motors.
• Make two more (in-air) geophone unscrambler cables per E1503600-v13 Sheet 8.

2017-05-15

Facilities

• Get more UHV foil.
• Clear spaces for PR2 bellows work and SR2 ladder installation on 5/15.
• Fix safety bar on -X side of assembly frame (move to other side of pillars and attach more securely).

BS Assembly

• Secure arc weights with M8 nuts.
• Remove PI.
• Unjam PI-SF rod.
• Remove SF cap.
• Remove blades from LBB blade units and send off for rework.
• Install remaining cable clamps on PI.
• Remove one Cu damper segment from SF cap and reconfigure remaining two to be symmetrical.
• Decide pattern of SF damper ring magnets (72 pieces in 2/3 of the original ring).
• Install magnets on SF damper ring.

BS Electronics

• Make PI vertical/yaw stepper in-air adapter cable per E1503600-v13 Sheet 7.

2017-05-09

Safety

• Install safety bars

BS PI Prep

• Find, install and wire up PI yaw stepper and bracket.
• Test IP.
• Install LBB blades in blade units.
• Check LBB blade unit alignment (was off by 21 mm due to blades being too long).

Hanging BS SF/BF/IRM/IM/RM/BS

• Fix centering of SF/... section.

BS Electronics

• Count used, unused, broken and needed in-vacuum cables and send data to Sato-san.
• Check connections in new geophone adapters (they turned out to be new-style).
• Decide final length for BS OSEM cables.

2017-04-24

BS PI Prep

• Install LLB blades.
• Install LLB blade units in PI.

BS BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry)

• Crane in PI.
• Connect up SF/... .
• Measure overweight if any.

Electronics (mostly Enzo, Mark)

• Update E1503600 with DIO card for HPCDs, etc, etc.
• Decide final length for BS OSEM cables (Enzo, Mark, Fabian)

BS Real-time and SUMCON models (mostly Perry, Mark)

• Understand/document/debug Kokeyama-san's DIO stuff.
• Measure LPCD and HPCD output filter response.
• Design and install software compensation filters for LPCD and HPCD output filters.

2017-04-17

BS SF/BF/...

• Trim BF to correct pitch/roll.
• Install temporary ballast mass in SF.
• Lift SF/BF/... and check SF pitch/roll balance and overall weight.

BS PI Prep

• Finish reattaching repaired LVDT coil(s) and redoing connectors with correct gender.
• Install fishing rod.
• Enlarge ring of crane adapter.
• Find table, weights, etc for use with LBB blade bending jigs.
• Set up LBB blade tensioning jig.

BS BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry)

• Test SF fishing rod stepper.
• Debug TM-H4.

BS Electronics (mostly Enzo, Mark)

• Work with Miyo-kun to get pico drivers added to BS rack and screens
• Update E1503600 with DIO card for HPCDs, etc, etc.
• Decide final length for BS OSEM cables (Enzo, Mark, Fabian)
• Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)

2017-04-03

BS PI Move

• General prep
  • Decide if air shower needs to be moved.
  • Triple-check dimensions around second-floor parking spot for PI; decide best place for pallet.
  • Check for obstacles along path around -X side of cleanbooth.
  • Find/clean Saito-sensei's PI lifting adapter and any needed fasteners.
  • Check both crane remote controls (clean and dirty) are charged.
• Prepare PI for moving.
  • Remove accelerometers and store safely.
  • Remove large weights. (How? With forklift at last minute? Where to?)
  • Remove arc weights (move some to second floor, wrap rest for storage).
  • Attach lifting plates.
  • Wrap with clingwrap, cover with spare cleanbag.
  • Remove old cabling from PI to rack.
• Prepare second floor for receiving PI.
  • Clean and clingwrap pallet.
  • Find metal plates and/or duckboards for on top of pallets.
  • Move BS cables on -Y side of tank off top of beam.
  • Find shims (about 75 mm high) to put on beam where cables were, to help support pallet.
• Clear path to remove PI with forklift.
  • Move any obstacles identified previously.
  • Shutdown BS/PR2 racks and move electrical cables.
  • Move any stored items on -Y side of portable cleanroom.
  • Move portable cleanroom towards -Y.
  • Move worktables from next to BS/PR2 racks.
• Move PI
  • Disconnect fan cables, curtain (Miyoki-san).
  • Unzip ceiling panel.
  • Crane pallet into cleanbooth.
  • Lay foil on pallet.
  • Forklift PI to -X,+Y corner of cleanbooth
  • Crane PI into clean booth.
• Cleanup
  • Zip up ceiling panel.
  • Reconnect fan cables, curtain (Miyoki-san).
  • Replace tables near BS/PR2 racks
  • Move portable cleanroom back to original spot.
  • Re-lay electrical cables.
  • Power up racks.

BS Electronics (mostly Enzo, Mark)

• Make more anti-feedthrough adapters.

BS Real-time and SUMCON models (mostly Perry, Mark)

• Reroute in-vacuum cables up to SF level; add in-vacuum extension cables if necessary.
• Get Perry (and Enzo) set up with SUMCON.
• Update SUMCON model of full BS.
• Do cut-down SUMCON model of just payload hanging from fixed BS.
• Compare measured TFs to cut-down model(s).