Installation of Octagon Detector

 

I) Setup

 

  1. No jewelry, watches, or loose sleeves.
  2. Long hair tied, shoe laces tied.
  3. Shirts tucked in properly, nothing loose in shirt pockets.
  4. Floor cleared ( from Chemistry building to the car and in tunnel)
  5. All other people should be clear from the area
  6. No passage of anyone through the area during operation or crossing area to transportation.
  7. Only 1 person will speak at a time, usually the persons leading the action or the person who is performing a certain action ( releasing handles, pin in place, etc)
  8. Whenever someone sees a problem, then this person SHOULD SAY STOP. The response of the other people will be that they freeze. Action will only proceed after the person who issued the STOP has explained and the problem is resolved.
  9. Police escort ready in parking lot
  10. Arrangements have been made with Connie that no deliveries are made in parking lot.
  11. Hallways in 1010 clear.

 

II) Transport from Chemistry Building to the tunnel

 

Personnel: Alan, Birger, Mike, Rachid, George, Bolek, Nigel

Start position in Chemistry building

  1. Assembled Octagon sitting on the table in middle of Chemistry Si-Lab
  2. Bolek in the hallway
  3. Door to lab completely open and secured
  4. Door to parking lot open and secured by George
  5. MIT van backed up in parking lot - bubblewrap installed in center of van, rear gate open
  6. Birger and Rachid holds front handles, Alan rear handles
  7. Nigil walks in front, Mike in back
  8. Bolek gives 'all clear' instruction
  9. Carriers walk through door to hallway, through hallway to parking lot and wait behind van.
  10. George and Nigel enter van to receive octagon
  11. Birger & Rachid hands over front end to George and Nigel
  12. Birger and Rachid reaches under box for support
  13. Octagon is placed in cushioning material in van
  14. George and Nigel exits rear of van.
  15. Rachid enters van from rear, Birger through right side.
  16. Alan closes rear door from outside.
  17. George drives van - Alan is passenger.
  18. Bolek, Mike, and Nigel drives to 1010 area to prepare
  19. Drive 5 mi/hour the following route: Chemistry rear lot; Cornell Avenue east; drive toward 1010 area via Brahms (counter clockwise).
  20. Van parked with rear facing east door of 1010A.
  21. Rachid and Birger stays in van.

 

III) Preparations in 1010 Area

Personnel: Bolek, Mike, and Nigel

  1. take the fence down.
  2. open left side of door in maze in hallway
  3. inspects passageway to tunnel
  4. install plastic mesh barrier in 9 o'clock end of tunnel

 

IV) Moving into tunnel

  1. D - Start position: Bolek controls area inside 1010A. Everybody else near van
  2. Bolek gives all clear signal
  3. Alan open rear gate of van
  4. Rachid and Birger exits van
  5. Alan enter van through side door
  6. Nigel and George behind van, and Alan start lifting out
  7. Nigel and George pass to Birger and Rachid, reach in and lift under rear of box, move away from van
  8. Alan exits van and takes over rear handles
  9. George tends entrance door to 1010A
  10. Carriers walk through parking lot, 1010A building up to gate with Nigel in front
  11. Mike opens and tends gate
  12. Bolek holds maze door
  13. Carriers proceed through tunnel with Nigel in front
  14. Carriers place octagon on table A (see definition below)
  15. George and Mike put up plastic mesh barrier to Phobos IR at 11 o'clock side
  16. Rachid and Birger installs cover w. open end for cables
  17. George supervises re-installation of fence
  18. Rachid guards octagon during re-installation of fence

V) Testing of octagon in tunnel

Personnel: Pradeep, Rachid, Alan, Heinz- only basic functions are tested ( pedestal, noise )

VI) Installation of octagon on beampipe- Preparation

Personnel: Alan, Birger, Rachid, Mike, Russell, Bolek, George

  1. Table A: Just inside fence with octagon on top
  2. Table B; Next to beamline with octagon support on top
  3. Table C: Next to cooling system on opposite side of beamline
  4. On table A: Place transport box with octagon detector on inner half of table
  5. Place spare transport plate on outer half of table; same orientation
  6. Whole fence removed on 9 o'clock side

VII) Separation of top and bottom halves

Personnel: Alan, Birger, Rachid, Mike, Bolek, George

  1. Bolek reads off checklist
  2. Russell observes and guards hallway
  3. Initial: Octagon in test box on table A on inner half
  4. Spare transport bottom along side octagon on outer half, same orientation
  5. George supervises removal of fence while Rachid guards octagon
  6. Rachid, Alan remove plexiglas box, while Birger secures bottom plate
  7. Store cover under table A
  8. Rachid and Alan support upper half from both ends
  9. Birger remove screws holding top and bottom together
  10. Rachid and Alan separate upper and lower half (Birger and Russell hold down board) - move to outer side
  11. Place mylar on top for protection
  12. Birger installs handles while Rachid and Alan hold top half
  13. Rachid and Alan place top halves onto spare bottom plate.
  14. - Birger secures handles on transport plate - installs cover
  15. George makes sure passage to other side of beam line is clear
  16. Birger and Mike go to other side of beam line
  17. Rachid and George take front handles of spare transport box
  18. Alan take rear handles - Bolek watches
  19. Proceed to beam line under pass and stop
  20. Rachid and George secure grip under box
  21. Rachid and George allow Birger to hold on to handles
  22. Rachid and George let go of box and duck under beam line
  23. Rachid and George holds on to rear part of box
  24. Alan lets go
  25. Rachid and George go to +Z
  26. Upper part is placed on table B

VIII) Preparation for installation of bottom half

Personnel: Alan, Birger, Rachid, Mike, Bolek, George

  1. Remove detachable section at +Y, -Z area of detector enclosure
  2. Place octagon box at outer half of table A
  3. Rachid into corner next to spectrograph
  4. Table B is pushed into corner as far as possible
  5. Table B is propped up as far as possible
  6. Birger positions support structure onto slide plate, which is placed at the -Z -X corner - line up with marks and checks that all four locknuts are tight
  7. Alan at rear, George at front
  8. Alan and George hold each end of octagon bottom by the handles
  9. Birger unsecures handles and hold bottom down
  10. Alan and George rotate 180 degrees - Alan counter clockwise.
  11. Place back onto bottom plate again
  12. Birger secures handles on plate
  13. Alan and George support bottom half at each end
  14. Birger places mylar sheet on top for protection
  15. Birger removes screws from handles and also remove plastic sheets.
  16. Alan and George rotate assembly 90 deg. And check hand position
  17. Alan and George rotate another 90 deg.
  18. Alan and George move to table B
  19. George hands off to Rachid
  20. Alan places bottom half into support structure - rear first
  21. George helps steer near vertex region
  22. Birger secures bottom half into support structure - two rear screws first
  23. George fastens through pin near vertex

IX) Installation of bottom half

Personnel: Alan, Birger, Rachid, Mike, Bolek, George

  1. Rachid in corner next to spectrometer
  2. Alan and Birger next to table B
  3. George & Mike on outer side
  4. Bolek reads checklist
  5. Russell observes and guards hallway
  6. Black plastic has been removed from octagon hole into enclosure
  7. Lamp into position between tracks
  8. Rachid guides the front end of octagon
  9. George and Mike observes from other side
  10. Alan and Birger slide the whole structure on table to line up with black plate - no rotation
  11. Alan and George slide/lift support onto black plate and align with beam line in a sliding/rotating motion
  12. Rachid still guides the front - watch beam pipe and enclosure
  13. Mike installs track with one screw
  14. Alan and George slide support sideways into final position
  15. Rachid and Mike observe front end to make sure beam line is not touched by the pin
  16. Mike holds on to black handle on his side
  17. Alan and Birger remove table B and wooden shims on floor
  18. Birger removes counterweight
  19. Rachid and George remove counterweight support, 2 screws each side
  20. Rachid removes inner handle, George holds outer handle
  21. Mike installs last track screws
  22. Rachid and Alan install securing screws through black plate, not tight
  23. Rachid and Alan install adjustment stops and retaining screws
  24. Mike and George remove outer handle
  25. Mike and George install securing screws through black plate
  26. Alan tightens securing screws on his side
  27. George and Rachid remove front standoff fixture
  28. Birger goes to outer side
  29. Rachid and Birger elevates structure as follows, while George puts upward pressure on rear of support structure and monitors front edge:

    30. a) One turn up on rear chain

    b) Follow up with rear lock nuts

    c) One turn up on front lock nuts

    d) One turn up on front chain.

    e) Switch to 1/2 turns for last few turns.

  30. Repeat slowly 30 times in total - Mike keeps count
  31. Secure locking nuts
  32. Check that it is now in the correct position - 393 mm from plate.

X) Installation of top half

Personnel: Alan, Birger, Rachid, Mike, Bolek, George

  1. Alan, Rachid, Mike on outer side, Russell, George, Bolek on inner side
  2. Upper half in spare transport box on table C facing correctly
  3. Mike and Rachid remove cover from upper half
  4. Mike installs little handle on rear stand off
  5. Alan at front, Rachid in back
  6. Alan and Rachid hold upper half in each end
  7. Place mylar sheet on top for protection
  8. Mike removes handles
  9. George moves to inner side in corner by spectrometer
  10. Mike observes behind Alan
  11. Alan and Rachid slowly move toward final position until Alan's left hand touches enclosure.
  12. George observes and guides on other side
  13. Slide onto guide pins while Rachid guides with left hand, Alan with right hand

PLAN B: In case the pins are on the inner side

  1. George and Bolek help guide onto the pins
  2. George holds on to front end - Rachid in back
  3. Alan installs screws on both sides
  4. Alan returns to outer side
  5. Alan and George remove stand off in front
  6. Rachid removes stand off in back
  7. Octagon is now safely mounted around the beam pipe.

XI) Remaining Tasks

  1. Replace detachable section at +Y, -Z area of detector enclosure
  2. Remove hose clamp and plexiglass plate between tracks
  3. With clamping screws facing out install manifold support screws in from below
  4. Install manifold onto support w. Al spacer between screws and manifold
  5. Replace manifold supply hose and tighten clamp from beneath
  6. Re-install back enclosure plate
  7. Connect supply hoses
  8. Secure outer back plate
  9. Secure inner plate and connect both halves
  10. Connect output hoses
  11. Install support for FEC crates behind octagon
  12. Install FEC crates
  13. Install 'C'-cables
  14. Survey to ensure that octagon is centered around the beam-line.