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Engineering Operations

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Engineering Operations. New hazards in the NTC associated with upgrade activities: Ladders, scaffolds, man-lifts. Cranes, rigging, forklifts. Welding, burning, grinding. Activated/Contaminated radiological work. Electrical Confined spaces. Chemical use. Eye hazards. Uneven work surfaces.

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Presentation Transcript
slide1

Engineering Operations

  • New hazards in the NTC associated with upgrade activities:
  • Ladders, scaffolds, man-lifts.
  • Cranes, rigging, forklifts.
  • Welding, burning, grinding.
  • Activated/Contaminated radiological work.
  • Electrical
  • Confined spaces.
  • Chemical use.
  • Eye hazards.
  • Uneven work surfaces.
  • A Health and Safety Plan (HASP) and Work Control Center Procedures in force.
  • Address the control of hazards
  • Maintain configuration control
  • Coordinate required permits, technical procedures, etc.
slide2

Engineering Operations

  • Heavy Construction started this winter:
  • TF turnbuckles and clevis pads have been ground away.
slide3

Engineering Operations

  • Space has been cleared for the 2nd Neutral Beam.
slide4

Engineering Operations

  • Additional rib welding completed on the upper/lower domes.
  • New machine platforms installed.
slide5

Engineering Operations

  • In-vessel metrology for NB armor installed and brackets welded in place.
  • Passive plates were reinstalled in April.
slide6

Engineering Operations

  • Outer TF coils #7 and #11 have been removed.
slide7

Engineering Operations

  • Platform modifications/usage required for the TF work
slide8

Engineering Operations

  • Bay J-K nozzles have been cut away
slide9

Engineering Operations

  • Upcoming Vessel Modifications:
  • Installation of In-vessel stiffeners at Bays J-K.
  • Ongoing welding of new TF Clevis pads onto VV.
  • Weld the new Bay J-K Cap onto the vacuum vessel in early July for the new NB port.
  • Vacuum vessel cuts at Bay L in mid-July for MPTS.
  • Vacuum leak checking
  • Remove platforms at Bays J-K-L in preparation for neutral beam work
slide10

Engineering Operations

  • Neutral Beam work in the NTC:
  • Penetrations into NTC for cryo/electrical systems.
  • Move Beam-Line into NTC in early August.
  • Move lid/cryo-panels, 90” flange, torus and ion source interfaces into NTC in Aug/Sept
  • Decontamination of both the NTC and the TTC
  • Installation of beam-line systems and HVE’s throughout the fall.
slide11

Engineering Operations

  • Future NTC Access:
  • Upon completion of the NB equipment moves, we should be able to provide greater access to the perimeter of the test cell.
  • Access to the North door will remain limited while assembling/commissioning the NB HVE’s and transmission lines.
  • Internal and External access to the vessel itself will remain restricted into the spring of 2013 due to ongoing welding of the umbrella legs, PF supports, etc.