2. IT-4189 Supply and installation of a cryogenic distribution system
S. Claudet, H. Derking
CERN - TE/CRG
IT-4189 Bidders conference
June 8th, 2016

3. Cryogenics for SPS-BA6 RF Test Facility
SPS-BA6 during beam runs
Main packages
QUR
QSC
GHe storage
QSV
Refrigerator
Cold box
compressor
QSC
VB2
VB1
Distribution system
Surface
IT-4189
Shaft
Underground
HeP
Proximity Service Box
pumping station SB
VB1
QUR EH
Cold box
TL1
VB2 SB CC

4. Deliverables for IT-4189 Deliverables included in the supply
Cryogenic valve box VB1;
Cryogenic valve box VB2;
Cryogenic transfer line TL1 including supports;
Room temperature pipes DN20 and DN65;
All safety relief devices, superconducting level gauges, manual valves, electrical heaters;
Documentation;
Installation and tests of the supply at CERN.
Items provides by CERN
All control valves including actuators and positioners;
All thermometers with pipe elements, thermalization packages and wiring;
All pressure transmitters with manifolds
All electrical feedthroughs;
The control system including cabling.

5. 3D overview 1/2 View of SPS tunnel ~40 m underground VB2 Phase 2
TL1 + piping
VB1
Thermal compensation boxes
Cold box

6. Cross-sectional views of tunnel
3D overview 2/2
Limited space available
Cross-sectional views of tunnel
Front side
Back side

7. P&ID for IT-4189
IT-4189: Drawing 2

8. Preliminary configuration study TL1
IT-4189: Drawing 1
sub-assemblies of TL1 and room temperature piping shall not exceed: 1.9 m × 2.2 m × 12 m (width × height × length);
TL1: 3x DN20 + 1x DN40 process pipes + shield;
No bellows on cryogenic process pipes;
Thermal contraction taken by flexible hoses located in one point;
Vacuum barriers preferably in transfer line.
thermal compensation boxes

9. Preliminary configuration study VB1
IT-4189: Drawing 5
3 cryogenic valves, thermal shield, cryogenic interfaces;
Phase separator + heat exchanger, heater and instrumentation;
safety valves, PTs, TTs
5 kW electrical heater;
Maximum diameter: 1200 mm;
Maximum height incl. valves: 2050 mm;
Purge panel: 200 × 1000 mm;
Supports as indicated.
Exact position of interfaces will be provided after contract award.

10. Preliminary configuration study VB2
IT-4189: Drawing 6
7 cryogenic valves, thermal shield, cryogenic interfaces;
Phase separator, heater, instrumentation;
Safety valves, PTs, TTs;
Maximum diameter: 1200 mm;
Maximum height incl. valves: 2150 mm;
Maximum height for dismounting valves: 2985 mm;
Instrumentation panel: 200 × 1000 mm;
Exact position of interfaces will be provided after contract award.

11. Installation at the CERN site
CERN will provide:
Helium, argon and nitrogen required for installation at CERN;
Transport and handling of the supply on the CERN site;
Site services such as electricity and compressed air required for installation at CERN;
Space for a barrack at the surface for storage of materials and tooling;
Scaffolding (not for hoisting purposes);
The contractor shall provide:
All tools and materials required for the proper execution of the contract;
Hoisting equipment for installation of the transfer line;
The vacuum pumps and leak detectors required for pressure and leak testing;
X-rays (100% on cryogenic process pipes!);
All personal protective equipment for its personnel (i.e. helmets, goggles, shoes, self-rescue masks)
The contractor shall reserve two working days for the required training and access formalities of its personnel at CERN.

12. Delivery schedule 1/2 Cryo distribution Phase 1:
Transfer line TL1 and room temperature piping
Shall be installed during the Extended Year-End Technical Stop (EYETS) early 2017
Phase 2:
The two valve boxes VB1 and VB2
Shall be installed during the Year-End Technical Stop (YETS) early 2018

13. Technical specification §4.1, p21
Delivery schedule 2/2
Technical specification §4.1, p21