PHOBOS SPECTROMETER INSTALLATION PROCEDURE



I) Preparations in the RHIC tunnel: 
	2 persons

  1. Arrange to have all obstructions removed from the tunnel, utility
     building, parking lot and counting house.
  2. Setup steel spectrometer support table at -Z side outside fence
     area. Make sure the 3 plate securing screws are taped to
     to the legs.
  3. Make sure all fence sections and fence floor post are removed.
  4. Warn all people in counting house and tunnel of impeding
     move.
  5. Disconnect closer on door inside security gate.



II) Preparation inside conference room counting house

	2 people, Gerrit VN, selected helper

  1. Procedure starts with detector fully assembled and tested.
  2. Unscrew the lucite cover and remove it.
  3. Remove all desiccant cartridges if present.
  4. Remove the bottom lucite cover.
  5. Remove module 1 from the small plate and store it in the transport box.
  6. Replace the bottom lucite cover.
  7. Check the brass latches which secure the pins at the three supports.
     Make sure that the pins are securely captured.
  8. Tie back cables as much as possible and secure the cooling tubes so
     they don't drape below the cables.
  9. Replace the lucite cover and secure all screws. Tape edges of cover.



III) Moving from conference room to tunnel
	8 people: 4 carriers, 2 guides, 2 watchdogs

  1. Four persons carry the assembly, 2 persons at front and back
     guide the carriers, watchdogs make sure that way is free (by
     holding the doors etc.).
  2. The assembly is placed on its support table.
     It is oriented with the extending cable ends facing away from 
     the magnet.
  3. Remove the lucite cover, bolt the plate to the table, replace 
     the cover.



IV) Moving assembly onto sliding plate - Preparation

  	Personnel: Heinz, Carla, Patrick, Nigel, Kris, George, Gerrit, 
		   Peter,
     		   Bolek (passive observer)

  1. all other people should be cleared from the area
  2. Magnet power supply disabled by removing key
  3. no passage of anyone through the area during operation
  4. only 1 person will speak at a time, usually the person leading the
     action (Heinz, Gerrit) or the person which is performing a certain
     action (releasing handles, pin in place, etc)
  5. whenever one of the persons 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.
  6. Start position: Table and stand are moved from original position
     to place halfway between the +Z racks and the inner tunnel wall.
  7. small plate sitting on the transport plate on the table,
  8. lucite cover removed, desiccant removed, springs released,
  9. lifting jig in place. NOTE: Post and frame need to be labeled! Needs 3
     people to install or remove it. All three screws must be turned
     simultaneously while lifting or lowering bars so screw threads don't
     catch in the bars.
 10. cantilever arm unbolted and removed stored near to wall
 11. Spring pin on one support arm removed and available
 12. cables and other obstructions secured
 13. no loose sleeves
 14. no jewelry and watches
 15. Nothing loose in shirt pockets
 16. long hair tied
 17. shirts tucked in properly
 18. shoe laces tied
 19. floor cleared
 20. temporary plate support in place
 21. lighting set up underneath spectrometer support
 22. Cables on spectrometer arm secured out of the way.
 23. Heinz: between arm and octagon support
 24. Carla: on right side of Heinz
 25. Patrick: on the floor guiding the temporary plate support
 26. Nigel: next to the small plate, closest to beam pipe, ready to carry
     plate
 27. Gerrit: next to the small plate, farthest from the beam pipe, ready to
     carry plate
 28. Kris: next to small plate, left of Gerrit, ready to catch the plate if
     it drops or to take over from Nigel and to check if Nigel doesn't hit
     any silicon
 29. George, next to small plate, right of Gerrit, ready to catch the plate
     if it drops or to take over from Gerrit and to check that Gerrit
     doesn't hit any silicon
 30. Peter: Behind Heinz on the other side of the beam pipe.



VI) Move from table to the area of the spectrometer support:

  1. Gerrit gives instructions explaining lifting procedure, lift up on
     outer side of bars.

  1. Nigel and Gerrit lift and carry
  2. Kris and George safeguard, hands under the plate but not touching it.
  3. Straight move to spot close to spectrometer support
  4. George needs to move out of the way
  5. Nigel and Gerrit rotate with Kris safeguarding



VII) Move of plate onto the 2 permanent support and 1 temporary support

  1. Heinz gives instructions
  2. Nigel and Gerrit lift and carry
  3. Kris safeguards
  4. George checks if we don't bump into anything, also checks if cables hit
     Nigel
  5. We move SLOWLY
  6. Carla watches the cables
  7. Lift plate and move closer to spectrometer until Heinz can take over
     from Nigel (Heinz tells Nigel when he can let go)
  8. Nigel now also watches the cables opposite to Carla
  9. Heinz and Gerrit rotate plate until positioned above 2 permanent
     supports and 1 temporary support
 10. Patrick guides the temporary support to its proper place under the
     plate
     NOTES for Patrick:
     a) Fingers must always be below the plate surface, never up over rim.
     b) Rim of support pipe sits on outer bracket near support pin, NOT on
     bottom surface.
     c) When plate is rested, he holds support pin against post with on
     finger.
 11. Gerrit slides in the support pin closest to him in the slot (not too
     far otherwise the other pin will not go into its hole)
 12. Peter watches Heinz and Si edges from behind.
 13. Carla now will guide the support pin closest to her into its hole and
     secure it with its clip
 14. Heinz rests the plate on the temporary support, but holds it at all
     times
 15. Gerrit lets go of the lifting jig (after a couple of tugs to make sure
     that it is stable)



VIII) Putting cantilever arm in place:

  1. Gerrit gives instructions
  2. Nigel, George and Gerrit lift arm, Kris has tools ready (English only)
  3. Nigel closest to the magnet, making sure the arm doesn't hit the
     silicon and guiding the support in place
  4. George supporting in the middle, making sure that the arm doesn't hit
     any silicon
  5. Move arm past cooling tubes for thermal shield (watch TOF!) and then
     guide it straight in.
  6. Gerrit fiddles with the bolts and gets the arm secured
  7. As arm is secured, Heinz lifts the plate to guide support pin onto
     support arm plate, Patrick watches from below.
  8. With the back bolts in place, Heinz lower the plate onto support arm,
     Patrick watches.
  9. Gerrit secures all bolts. Everyone stops, Gerrit releases people
     individually.
 10. Emergency procedures
	If Nigel, Gerrit, or Heinz has a problem or Carla/Nigel 
	say cables are stuck
		a) Patrick secures one support point from below using tube.
		b) Carla secures the second support point with her hand, 
		   also from below
		c) Kris supports the third point from below until Nigel can 
		   let go, then Nigel takes over