1. LEP cryostat Procurement strategy and plans
A. Vande Craen, C. Eymin, M. Moretti, D. Ramos
CERN
Internal review of IR2 LEP cryostats (WP11/WP5)– 17 May 2017

2. Summary Introduction Procurement strategy Main components
Plans and Schedule
Conclusion
A. Vande Craen

3. First unit to be assembled from November 2017
Introduction
LEP composed of > 250 different components for a total of > 1800 pieces
Ranging from standard screws to busbars not forgetting large machined plates and pressure vessel
First unit to be assembled from November 2017
Series assembled through 2018
A. Vande Craen

4. Procurement strategy and plans
A. Vande Craen

5. H-beam plates Specific Procured through EN-MME
Stainless steel 304L
Tight tolerances (flatness <= 0.2 mm/m)
Large dimensions
< 0.1 % cobalt content
Procured through EN-MME
Due to tight tolerances, will be manufactured in house
Delivery of first unit Mid-October 2017
A. Vande Craen

6. Shuffling module Specific Procured by TE-MSC-CMI
3 types
Magnet side (identical for Type A and B)
Type A, LEN side
Type B, LEN side
Pressure bearing assembly
Tight tolerances
< 0.1 % cobalt content
Procured by TE-MSC-CMI
Specification ready, IT will follow
Delivery of first unit expected Mid-October 2017
A. Vande Craen

7. Small machined components
Specific
Flanges in 316LN, 3D forged (EDMS )
Other components in 304L <0.1 % Cobalt content
Procured through EN-MME (subcontracting)
Drawings finished end of May
Delivery of first unit expected October 2017
A. Vande Craen

8. Follow-up by TE-MSC-CMI From CERN store
Pipes
Specific
4 different diameters (M, N, X, V’ lines)
3 standards
1 non-standard (X line)
According to specification EDMS
Follow-up by TE-MSC-CMI
From CERN store
A. Vande Craen

9. Designed and manufactured by TE-MSC-LMF
Busbars
Designed and manufactured by TE-MSC-LMF
Delivered with supports and insulation
First set ready for October 2017
(see R. Principe’s presentation)
A. Vande Craen

10. LHC standard components
Type
Cold bores
Support posts (fixed and sliding)
Interconnection flanges
Bellows
In stock
A. Vande Craen

11. Standard components Type Follow-up by TE-MSC-CMI
Screws, nuts, washers
Taps
O-rings
Braids
Follow-up by TE-MSC-CMI
List finished end of May
Procurement in the shadow of other components
A. Vande Craen

12. MLI Specific Contract follow up by TE-MSC-CMI
Contract will include design and manufacture
According to CERN specification
Contract follow up by TE-MSC-CMI
Specification ready, IT will follow
Delivery of first unit expected October 2017
A. Vande Craen

13. Vacuum vessel Specific In combination with 11T cryostats
2 types (Type A and Type B)
In combination with 11T cryostats
Contract follow up by TE-MSC-CMI (M. Struik)
Contract placed
Delivery of first unit expected end of October 2017
A. Vande Craen

14. Bottom tray Specific Contract follow up by TE-MSC-CMI
First unit machined at CERN
DR created for series
In combination with 11T bottom trays
Contract follow up by TE-MSC-CMI
Delivery of first unit expected end of October 2017
A. Vande Craen

15. Schedule summary
A. Vande Craen

16. Conclusion
A. Vande Craen

17. Conclusion Procurement strategy and roles well defined
Follow-up of so many components is challenging
Ready for assembly of first unit in November 2017
Ready for series production in January 2018
Last components at CERN in April 2018
A. Vande Craen

18. Thank you !
A. Vande Craen