The HiLumi LHC Design Study is included in the High Luminosity LHC project and is partly funded by the European Commission within the Framework Programme 7 Capacities Specific Programme, Grant Agreement 284404.

SC Links IntegrationPoint 7

S. Weisz, J. P. Corso and A. Ballarino

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IP7

Overview of Point 7DFBA actual position DFBA actual position

DFH HL-LHC positions

SC links

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Assumptions retained for the SC link at Point 7

• Find a routing for a 200mm semi-flexible pipe ~500m long from service modules in RR73/77 to the DFH connections to the power converters relocated in the TZ76 gallery

•Minimum bending radius of 1,5m (to be experienced with multiple bends)

• Leave free the transport areas in the LHC tunnel and in the TZ76 gallery

43rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Routing in TZ76

53rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Routing in TZ76

63rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Routing in TZ76• Only one practical solution: under existing cable trays

Rack

s

Rack

s

Rack

s

SC links

Links during installation ?

73rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Routing in TZ76• Section along TZ76 and detailed view of the exit UJ76

83rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Routing UJ76 junction – Two options• Tunnel to UJ76 service area: existing ducts are full!• 2 “small” ducts 400mm must be drilled• Between 2m & 3m long, depends on the angle…

• UJ76 to TZ76 gallery: 2 main options• without long ducts, along UJ76 bottleneck…• with 2 new long ducts ( 19m each) ̴�

93rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Routing UJ76 – Option 1• 2 shorts ducts from LHC tunnel to service area

• NO new long ducts

SC Links

UJ76LHC Tunnel

103rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Routing UJ76 – Option 1• Along UJ76 bottleneck

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Routing UJ76 – Option 2• 2 shorts ducts from LHC tunnel to service area• With 2 new long ducts from UJ76 to the TZ76 gallery

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Routing Options – UJ76• Overview of the two options: 1st option (no long ducts)

requires more bends and smaller bending radius

133rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Routing R771 towards RR77• 3 Sections with various positions of the link & pipe

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Routing inside RR77

Connection to cryostat to be studied

153rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Access to Point 7 for SC links

Point 7

Point 6

Point 8~3,3 km

~3,3 km

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Transport of SC links to Point 7Access Pit PM 85

173rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Access to Point 7 for SC links

Access Pit PM 65 Access Pit PM 85

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Transport of SC links to Point 7500m link ready for handling

Space inside PM 85

Surface BuildingSD8 1,

8

5,5

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Hard Points• RR73/77 to Long Straight Section (R74 and R771) : • Many constraints due to shielding, metallic

structures and supports• need design of the service module

• Very few practical solutions in the LHC tunnel and in the TZ76 gallery!

• UJ76 crossing: many bends in multiple directions

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Conclusions• Experience is needed for the transport and

installation of two 500m long semi-flexible links ̴�through curved passages. Thanks to the proposed design, transport and installation of the new DFBs should be a challenge

• Integration tests will be done at CERN by mid 2015 using a 60 m long cryostat

• Choice between Option 1 and Option 2 can be made by mid 2015 – and civil engineering during TS in 2016

213rd HiLumi LHC-LARP Daresbury SW / JPC 13/11/2013

Acknowledgements

Thanks to J.P. Corso for the detailed integration studies

(EDMS 1419773)