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CMS Gas System Status Report: Progress and Future Outlook

Detailed overview of gas system project at CERN including design progress, construction plan, and resource allocation. Updates on module designs, prototypes, and special technology. Future steps, further work areas, costs, resources, and conclusions.

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CMS Gas System Status Report: Progress and Future Outlook

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  1. CMS Gas System Status Report Ferdi HAHN / CERN

  2. Content • Gas System Overview • Progress Review (Design + Prototyping) • Current Work Areas • Gas System Construction Plan • Schedule, Cost and Resources • Conclusions

  3. How many “basic“ Modules ? Plus piping contracts and many special items … like Inertion Systems, etc.

  4. Design Status + Progress • Basic Designs Completed • detailed studies + tests ongoing • Prototyping , Design checks, etc. • many module prototypes: Mixers, spec. sub-systems, etc. • DT, RPC + CSC full distribution prototype currently under test. • Purifier absorber tests ongoing • R+D for CF4 Recovery (pending)… for CSC • URD work for control system started

  5. Module Design Breakdown

  6. Special Technology • Special Channel Flowmeter: • thermal anemometer (LEP type) • PT 100 rise time measurement • Integrated manifolds: • integrate: manual adjustment valve, channel flowmeter and disconnection facility • Mixers: based on digital MFC; set-up in-house calibration facility • Control System: based field bus data transmission (most likely Profibus)

  7. Next steps • EDR • first ones could come this year, for instance CSC + DT • What are the CMS requirements to us ??? • RPC • design review ?? • Design Approval for Fixed Piping

  8. Further Work Areas • URD work for the controls • Make the first sub-modules production ready • finalize design drawings, pass EDR’s • Start component choices • conclusions from prototype work • suppliers comparisons, price/quality ratio, etc... • Establish logistics for rack construction • lab. space is under preparation (during 2000) • Continue prototype work until end of 2000

  9. Rack Construction e.g. a Distribution Rack

  10. …. After Rack Assembly functional test storage installation cabling Pipe connection integration test+ commissioning

  11. Tentative Schedule LHC Start Today

  12. Costs • TDR component cost estimates (1999) • correct for MSGC (remainder still valid) • To be added: • man-power (partly) • commissioning + integration • controls • Running cost estimate (Aug. 1999) • correct for MSGC (remainder still valid)

  13. Spending Profile Preliminary

  14. Resources • Gas Support Section (EP/TA1 from 2001) • Dedicated fte’s for all LHC experiments: 2 Physicists, 1 Fellow, 3-5 staff Technicians, 3 indust. support • Temp. man-power can be added at peak production, and for installation. Note: Available staff man-power cannot increase, supplements must be handled with temp. labor. Big effort to make optimal use of existing resources, for instance, stretch construction period to > 3 years. Minimize administrative overheads: in particular for component procurement!

  15. Conclusions Systems: • Gas system designs and prototypes are on-time. • Designs approvals and EDR’s should follow in 2000 and 2001. • Infrastructure and logistics for construction phase are being prepared now. • Rack construction start in 2001 • Long-term EP- Gas -Support will come ! • Give us feedback !

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