Starter and travel-out structures, XFEL project Hamburg

Production and delivery of Starter structure Lot 1 (5450 mm tunnel diameter):
- 4x connecting ring, diameter
- 1x star-shaped bracing, diameter
- 3x starter gaskets, diameter (structural steelwork)
- 3 sets (2 per set) Phoenix gasket
- 8x Bullflex O-ring seals
- 1x "flying start" thrust ring
- 1x vertical support structure for thrust ring
Travel-out structure Lot 1 (5450 mm tunnel diameter):
- 3x flange ring, diameter
- 1x star-shaped bracing, diameter
- 3x travel-out gaskets, diameter (structural steelwork)
- 1 set of Phoenix gaskets (4 activatable gaskets)
- 1x cover structure
- 1x rear support structure
Starter structure Lot 2 (6160 mm tunnel diameter):
- 2x connecting rings, diameter
- 1x star-shaped bracing, diameter
- 2x starter gaskets, diameter (structural steelwork)
- 2 sets (2 per set) Phoenix gasket
- 3x Bullflex O-ring seals
- 1x "flying start" thrust ring
-
1x vertical support structure for thrust ringg
Travel-out structure Lot 2 (6160 mm tunnel diameter):
- 2x flange rings, diameter
- 1x star-shaped bracing, diameter
- 3x travel-out gaskets, diameter (structural steelwork)
- 1 set of Phoenix gaskets (4 activatable gaskets)
- 1x intermediate ring
- 1x cover structure
- 1x rear support structure
Trough blocks & substructure:
- 40x trough blocks (production at HK China)
- 1x substructure (production at HK China)
Shield cradles:
- 1x shield cradle, stationary (for Lot 1 and Lot 2))
- 2x shield cradles, stationary (for Lot 1)
- 1x shield cradle, mobile and height adjustable for Lot 1 and Lot 2