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| 2017-04-03 | [[../ToDoOld|Archived To-Do Items]] |
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| == Facilities (mostly full team) == * Clean up after floor work. |
[[#EveryWeek |Every Week]] [[#ComingWeeks |Coming Weeks]] [[#RealBSHang|Preparation for Real BS Hang]] [[#SRPrepTasks|Preparation for SR Installation]] <<Anchor(EveryWeek)>> == Every Week == === Facilities === |
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| * Get stuff from [[../WishList]] | |
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| == 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. |
<<Anchor(ComingWeeks)>> == Coming Weeks (2017-06-19, 2017-06-26) == === Facilities === * --(Remove cling wrap from stuff.)-- * --(Plug stuff back in (charging station, KOACH filters, OL etc).)-- * --(Power up rack.)-- |
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| == Continue PI Prep == * Finish reattaching repaired LVDT coil(s) and redoing connectors with correct gender. * Install fishing rod. * Find table, weights, etc for use with LBB blade bending jigs. * Install LLB blades. * Install LLB blade units in PI. |
=== Design/Documentation === * Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian). * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san). * Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san). * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san). |
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| == Hanging BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry) == * Reroute in-vacuum cables up to SF level; add in-vacuum extension cables if necessary. * Test SF LVDT. * Test SF fishing rod stepper. |
=== Main 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.)-- * Unlock BF keystone and try running BF fishing rod to fix sag problem. * Adjust pitch/yaw/vertical of dummy optic. * Start TFs. |
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| == Electronics (mostly Enzo, Mark) == * Make more anti-feedthrough adapters. * Add retaining screws to cables at feedthroughs (mostly done, needs finishing). * 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) * Send list of required in-vacuum cables to Takahashi-san |
=== Electronics === * Get pico drive screens fixed (Miyo-kun) * Order final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san). * --(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) * Calibrate PI vertical LVDT. * Set yoke on PI vertical LVDT (if necessary). * Calibrate PI horizontal LVDTs. === LSOL === * Assist Simon with hardware installation of LSOL (week of 6/26?). * Assist Simon with modifications to realtime model for LSOL (week of 6/26?). === Real-time and SUMCON models === * Derive and install PI LVDT matrices. * Check LSOL section of k1visbs model. <<Anchor(RealBSHang)>> == Real BS Hang Tasks == === Major Tasks === * Final ballast mass design/production for BF and SF (Fabian, Hirata-san). * Get final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san). * Possible rebuild of BF and/or SF * Set up build/test stand for filters. * Get filter test weights. * Find spare BF blade(s). * Prepare real BS: * Coordinate with Hirose-san. * Book transport of mirror (Kashiwa to KAGRA) * Gather mirror box, gluing supplies, prisms, magnets, new flags, new flag jigs. * Solve problem of lack of scribe line on one side of BS (Mark, Hirata-san). * Organize cleanroom gear for Kashiwa trip(s). * Put magnets in flags. * Glue flags/prisms at Kashiwa. * Reclean stuff: * PI (remove Kapton tape etc, etc). * LLB damper stuff, especially Cu segments. * Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata). * If needed based on previous, order longer threaded rods for arc weights on PI (Hirata). === Minor Tasks === ==== Mechanical ==== * Get clean bag laundered. * Swap out temporary ballast mass in BF, SF. * Return/replace borrowed parts: * Lock washers for LBB dampers * Temporary ballast mass (dog clamps) in BF. * Wide-mouth OSEMs from RM to Akutsu-san * Adjust height of crossbars below BF. * If possible, fix galled pole in BF level of EQ stop. * Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match. * Check inside SF for lost ruler. * Tighten PI yaw return spring. * Get Cu O-rings for feedthroughs. ==== Electrical ==== * Decide final in-vacuum and in-air cable routing (Enzo). * Calibrate all LVDTs (Enzo, Mark). * 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. * Adjust yoke on BF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height). ==== Real-time and SUMCON models ==== * Create SUMCON models for full BS and major installation milestones. * Create controls design description (cf [[https://dcc.ligo.org/LIGO-T1100378/public|LIGO-T1100378]]). |
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| * Make spreadsheet on Google Docs or the like with in-vacuum cable inventory (Hirata) == Real-time and SUMCON models (mostly Perry, Mark) == * 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). |
* 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. * Design and install GAS drift compensation filters. |
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<<Anchor(SRPrepTasks)>> == SR Prep Tasks == === Design/Purchasing === * Do rough mass budget for SR2/SR3/SRM. * Design SR assembly frame. * Design final SF ballast masses (Fabian). |
VIS Type B Near Term To-Do List
Preparation for SR Installation
Every Week
Facilities
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
Get stuff from ../WishList
Coming Weeks (2017-06-19, 2017-06-26)
Facilities
Remove cling wrap from stuff.
Plug stuff back in (charging station, KOACH filters, OL etc).
Power up rack.
Design/Documentation
- Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian).
- Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
- Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).
- Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
Main 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.
- Unlock BF keystone and try running BF fishing rod to fix sag problem.
- Adjust pitch/yaw/vertical of dummy optic.
- Start TFs.
Electronics
- Get pico drive screens fixed (Miyo-kun)
- Order final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san).
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)
- Calibrate PI vertical LVDT.
- Set yoke on PI vertical LVDT (if necessary).
- Calibrate PI horizontal LVDTs.
LSOL
- Assist Simon with hardware installation of LSOL (week of 6/26?).
- Assist Simon with modifications to realtime model for LSOL (week of 6/26?).
Real-time and SUMCON models
- Derive and install PI LVDT matrices.
- Check LSOL section of k1visbs model.
Real BS Hang Tasks
Major Tasks
- Final ballast mass design/production for BF and SF (Fabian, Hirata-san).
- Get final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san).
- Possible rebuild of BF and/or SF
- Set up build/test stand for filters.
- Get filter test weights.
- Find spare BF blade(s).
- Prepare real BS:
- Coordinate with Hirose-san.
- Book transport of mirror (Kashiwa to KAGRA)
- Gather mirror box, gluing supplies, prisms, magnets, new flags, new flag jigs.
- Solve problem of lack of scribe line on one side of BS (Mark, Hirata-san).
- Organize cleanroom gear for Kashiwa trip(s).
- Put magnets in flags.
- Glue flags/prisms at Kashiwa.
- Reclean stuff:
- PI (remove Kapton tape etc, etc).
- LLB damper stuff, especially Cu segments.
- Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata).
- If needed based on previous, order longer threaded rods for arc weights on PI (Hirata).
Minor Tasks
Mechanical
- Get clean bag laundered.
- Swap out temporary ballast mass in BF, SF.
- Return/replace borrowed parts:
- Lock washers for LBB dampers
- Temporary ballast mass (dog clamps) in BF.
- Wide-mouth OSEMs from RM to Akutsu-san
- Adjust height of crossbars below BF.
- If possible, fix galled pole in BF level of EQ stop.
- Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.
- Check inside SF for lost ruler.
- Tighten PI yaw return spring.
- Get Cu O-rings for feedthroughs.
Electrical
- Decide final in-vacuum and in-air cable routing (Enzo).
- Calibrate all LVDTs (Enzo, Mark).
- 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.
- Adjust yoke on BF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
Real-time and SUMCON models
- Create SUMCON models for full BS and major installation milestones.
Create controls design description (cf LIGO-T1100378).
- Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, 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.
- Design and install GAS drift compensation filters.
- Create a proper DAC Monitor MEDM screen.
- Improve ADC Monitor MEDM screen.
SR Prep Tasks
Design/Purchasing
- Do rough mass budget for SR2/SR3/SRM.
- Design SR assembly frame.
- Design final SF ballast masses (Fabian).