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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Engineering Operations

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Engineering operations

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.


Engineering operations

Engineering Operations

  • Heavy Construction started this winter:

  • TF turnbuckles and clevis pads have been ground away.


Engineering operations

Engineering Operations

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


Engineering operations

Engineering Operations

  • Additional rib welding completed on the upper/lower domes.

  • New machine platforms installed.


Engineering operations

Engineering Operations

  • In-vessel metrology for NB armor installed and brackets welded in place.

  • Passive plates were reinstalled in April.


Engineering operations

Engineering Operations

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


Engineering operations

Engineering Operations

  • Platform modifications/usage required for the TF work


Engineering operations

Engineering Operations

  • Bay J-K nozzles have been cut away


Engineering operations

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


Engineering operations

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.


Engineering operations

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.


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