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IT-4189 Supply and installation of a cryogenic distribution system. S. Claudet, H. Derking. CERN - TE/CRG. IT-4189 Bidders conference June 8 th , 2016. QSC. QUR. VB1. VB2. Cryogenics for SPS-BA6 RF Test Facility. SPS-BA6 during beam runs. Main packages. QSV. Refrigerator.
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IT-4189Supply and installation of a cryogenic distribution system S. Claudet, H. Derking CERN - TE/CRG IT-4189 Bidders conference June 8th, 2016
QSC QUR VB1 VB2 Cryogenics for SPS-BA6 RF Test Facility SPS-BA6 during beam runs Main packages QSV Refrigerator GHe storage Cold box compressor QSC Distributionsystem Surface IT-4189 Shaft Underground HeP Proximity Service Box SB pumping station VB1 QUR EH Cold box TL1 VB2 SB CC
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.
3D overview 1/2 VB2 Phase 2 Phase 1 View of SPS tunnel ~40 m underground Phase 2 Phase 1 TL1 + piping VB1 Thermal compensation boxes Cold box
3D overview 2/2 Limited space available Cross-sectional views of tunnel Front side Back side
P&ID for IT-4189 IT-4189: Drawing 2
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
Preliminary configuration study VB1 IT-4189: Drawing 5 • 3 cryogenic valves, thermal shield, 2 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.
Preliminary configuration study VB2 IT-4189: Drawing 6 • 7 cryogenic valves, thermal shield, 3 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.
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.
Cryo distribution Delivery schedule 1/2 • 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
Delivery schedule 2/2 Technical specification §4.1, p21