Cryoplant Installation Scope Mike Bevins LCLS-II Cryoplant Installation PDR October 18, 2016

Cryoplant Installation Scope Outline Introduction of cryogenic cryoplants Cryoplants layout Equipment list Cryoplant Installation Scope Cryoplant installation and commissioning sequence CP1 installation Phase I and II CP2 installation Phase I and II LCLS-II Director’s Review, 30 August-1 September, 2016

2 Cryogenic Plants for Normal Beam Operations Equivalent capacity ~ 18 kW@4.5K each Cryoplants (JLAB) U-tube Jumper for 1st light CDS (FNAL) CM (FNAL&JLAB) Upstream string Downstream string

Equipment List Common subsystems for CP1 and CP2 30,000 Gallon Gas Helium storage tanks (6) 30,000 Gallon LN2 storage dewar Purification system – dual beds Recover compressor – 18 g/s (2) Guard vacuum system Oil Processor Instrument air system (2) Control UPS and Emergency Generator Subsystems for each CP Warm helium compressor and MCC(6) Gas distribution system Oil Removal System 4.5 K Coldbox: Upper CBX and Lower CBX Ambient heat exchangers 10,000 liter LHe dewar 2 K coldbox, cold compressors (6) Cryogenic transfer lines Interface box Control system

Cryoplant Building 2 CDS Transfer lines Cold Box Room Compressor Room 1 Compressor Room 2 Cold Box Room 2 CDS Transfer lines

Layout of Cryoplants LN2 storage GHe storage Cryoplant 1 Interface box 6

Installation Phases of 2 cryoplants CP1 Installation Phase 1 CP2 Installation Phase 1 CP2 Installation Phase 2 CP1 Installation Phase 2 Upstream string Downstream string

Cryoplant commissioning 1/2018 CP1 Installation Phase I Comm. Of GHe, LN2, He purifier 3/2018 Comm. of WHC system CP1 Completed 2/2019 7/2018 Comm. of CP1 4.5K CBX 9/2018 CP1 Installation Phase II Comm. of CP1 2K CBX 1/2019 CP1 Full system Comm. 4/2019 CP2 Installation Phase I Comm. of WHC system CP2 Completed 11/2019 5/2019 Comm. of CP2 4.5K CBX 6/2019 CP2 Installation Phase II Comm. of CP2 2K CBX 10/2019 CP2 Full system Comm.

CP1 Installation Phase 1 GHe vessels LN2 vessels LN2 transfer line Recovery compressor Purifier Instrument air compressor CP1 WHC (6) CP1 MCC Gas management panel CP1 ORS Oil processor skid CP1 WHC piping Cooling water piping Control 9

CP1 Installation Phase 1 (cont’d) - Sample pictures 30,000 Gallon LN2 Dewar 78’(L)*11’(W)*12’(H) 103,000 lbs (E) 6 * 30,000 Gallon GHe Tank 47’(L)*11’(W)*13’(H) 50,000 lbs Purifier (60g/s) Motor Skid Cooler Skid 6 Warm helium compressors MCC ORS Vessels

CP1 Installation Phase 2 CP1 4.5K coldbox CP1 LHe dewar CP1 CC CP1 cryogenic transfer lines & piping 2K CBX control Guard vacuum pump CP1 Interface box CP1 Control 11

CP1 Installation Phase 2 (cont’d) - 4.5K Cold Box Vendor Integration Turbines Instrument panel Cabinet and wiring Control valves Transfer line

CP1 Installation Phase 2 (cont’d) - Other equipment Transfer lines and U-tubes 10,000 LHe dewar Ambient Heat exchangers LCLS-II 2K CBX (Φ12’*12’H) Magnetic Bearing and VFD Cabinets

Interface boxes to CDS 4.5K CBX 2K CBX 4.5K CBX 2K CBX The transfer line will be delivered in 4 sections which are to be welded together at SLAC. Welded to Surface TL In CDS CDS

CP2 Installation Installation Phase 2 Installation Phase 1 Phase I CP2 WHC (6) CP2 MCC Gas management panel CP2 ORS CP2 WHC piping Cooling water piping Control Instrument air compressor Phase II CP2 4.5K coldbox CP2 LHe dewar CP2 CC CP2 2K coldbox CP2 cryogenic transfer lines & piping 2K CBX control CP2 Control Installation Phase 1 15