Cryo Assembly Cold Mass Status A Vouris Cryo

Cryo Assembly, Cold Mass Status A. Vouris Cryo Assy L 2 Meeting April 05, 2021

Cold Mass Tooling & Design Status • Work. Station Equipment § Status § Clock position clamps – reworked part QC inspection complete and reviewed § Press test fixtures – 2 Radial Test fixtures – Both units needs weld repair. Sent to shop for weld repair. Will look at welds to see possible defects § Lead Can – design complete and procurement specification drafted – revision updated – Bids out for quote as of 2 weeks ago § Cold Mass Model – drawings (instrumentation/align, pre-weld / post weld) – § Rev. A released. Need to make additional changes - Design/Draft updates for Cold Mass drawing assemblies complete and in Engineering for review § Drawing for circumferential measurement and SG placement complete and in release process § Additional tooling: § Shell profile and machining gauges – § Draft design & fab work on SSW supports for Inspection table redlines started. Found and tagged additional legs § Additional work tickets in process for tooling. 2 A. Vouris | CM and Cryo Meeting 12/16/2021

Cold Mass Tooling & Design Status • Cold Mass § Cold Mass Practice § Shell : § PO#674740 REQ#314684 Practice PAUT completed. DR on long. welds In-process. § NDE – New PO’s created – § grinding (off peak hrs and Saturdays) – complete. Circumferential spot repaired. East side long. weld – repair complete. Move to weld station after sample coupons are completed and coupon tooling is removed § Weld procedure corrected coupon passed RT for both specs. Working on other welder coupons Tuesday this week § Destructive Exam – New PO’s § FSU – Fracture testing at 4. 2 K only – PO in process § Other vendor – PO in process § Leak Check after weld repair and cut Ends for Circ weld coupons § CM-01 § Pre-series components § Lower plate : PO 671905, Moritz – Machining complete and all units received in QC § CM-01 Alignment measurements complete – SSW & PPD Survey in agreement – SEE Joe Di. Marco talk for result discussion. § Bus loops and instrumentation in process – See Bossert talk § Ht-X insertion next § Shell: installation and strain gauge wiring/set up (after fit-up) § Returned all bad backing strips but have 6 to complete CM-01. 3 A. Vouris | CM and Cryo Meeting 12/16/2021

Cold Mass Tooling & Design Status • Cold Mass § DR’s for CM-01: Magnet model from LBNL does not include prestress final dimension critical to assembly tooling. ICD will be revised for actuals to be provided after final assembly. § Engr Analysis & Note: • 4 Pressure Vessel Note – uploaded to docdb - Note approved up until weld sample testing – A. Vouris | CM and Cryo Meeting 12/16/2021

Cold Mass Tooling & Design Status • Cold Mass Tooling ORC § Initial ORC walk through completed on Tuesday, 6/30 … § ORC-1752, Cold Mass Tooling: § Outline for Practice unit highlighted by ORC panel for witness points –complete § Updating all document files and drawings for final review § Alignment Table docs: FDR Presentation, FRS, design & Analysis Note, Assembly Drawing, HA link, Cold Mass Assy & Inspection Traveler § Welding Table Docs: FDR Presentation, FRS, design & Analysis Note, Assembly Drawing, HA link, Cold Mass Assy & Inspection Traveler § Inspection Table Docs: Assy drawings and all above § Electrical Q/A from OEM Fume extractor/Weld Roller vendors replied…to be uploaded to ORC file § ORC-1754, Bus Soldering and Wrapping - APPROVED 5 A. Vouris | CM and Cryo Meeting 12/16/2021