2. Vacuum Vessel Cost Development

• Conventional fabrication of “thin” aluminum shell

  • Bump-formed segments welded into full shells
  • Verify vacuum integrity

• Fabrication Cost

  Material Cost = $0.29 M
  
  Labor Cost = $2.31 M
  Contingency = $0.50 M
  Fees = $0.36 M
  Total Cost = $3.39 M
  Unit Cost = $85.2/kg

This unit cost is representative of conventional fabrication

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