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3294/R-008 - Point 2 (CERN)

3294/R-008 - Point 2

CERN

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Face-to-face meeting ALICE/LHCb - Automation (3. 5. 2018)

 

Present: A. Augustinus, L. Brarda, L. Cardoso (Vidyo), M. De Saegher, J. Fermanel, C. Gaspar (Vidyo), J. Lehrbach, A. Martinez Selles, N. Neufeld (Vidyo), L. Roy, H. Schindler, R. Schwemmer, Y. Seraphin, A. Tauro, B. Vindevogel

 

News from Automation

  • ALICE power module and IT1 finished. ALICE IT2 being painted.
    • Automation to send recent photos of ALICE module manufacturing.
  • LHCb power module being welded together. LHCb IT6 will follow shortly after (then 5-4-3…).

 

Transport and handling

Point 2 (ALICE)

  • For the installation at Point 2, there are two options: either 1) using a rented mobile elevator standing on the right side of the site or 2) using the CERN elevator, which must be driven over the foundations. In the latter case some plates must be foreseen inside the foundations and across them.
  • In the current design, the ALICE modules foundations are 25 cm tall, too high for a mobile elevator to drive over (5 - 10 cm max).

Actions

  • EN-HE (Yann) to ask quotation for option 1 and to study option 2 (i.e. position of CERN elevator and of the plates in ALICE site).
  • SMB to check to whether foundations can be lowered.
  • SMB to give max floor resistance. Cover of trench: cover dimension 120 x 80. Min 1.5 t / m2 needed to pass over with manual fork-lift.

Point 8 (LHCb)

  • Static calculation of LHCb power module shows that an additional hoist point is needed for its handling (6 hooks in total).
  • Yann presented the proposed scenarios for installing the power module and IT modules at Point 8.

Actions

  • Automation to send positions of lifting hooks of LHCb power module and data sheet of the hooks.
  • Automation to specify the type of truck that will be used for delivering the modules and to make sure it can enter the LHCb site.
  • LHCb to check whether tree(s) need to be removed.
  • SMB to make sure that LHCb foundations are low enough (< 5 - 10 cm) for a mobile crane to drive over.
  • SMB to check whether the foundations can be filled with asphalt instead of gravel (which makes it easier for the mobile crane to drive over).

 

Civil engineering

  • Alejandro presented the latest drawings for Point 2. Some modifications are needed (see the list of action items below).

Actions

  • SMB to foresee min. 80 cm to pass cables below power module (on both left and right sides).
  • SMB to represent flushing pipes and water evacuation on left side of ALICE power module.
  • SMB to discuss with EN-EL protection LV cables from transformer + cover of the gallery in front of power module.
  • SMB to represent Roxtecs, feet, evacuation and flushing pipes; correct openings towards existing gallery (pipes instead of trenches).
  • Gurkan to check ALICE drawings and positions of LHCb power module feet.

 

Grounding

Actions

  • EN-EL (Yann) to check whether ground plate can be installed inside the technical gallery instead than at the module’s feet.

 

Factory and site-acceptance tests

  • During the FAT the IT module will be powered from a generator. The power module won’t be powered (i.e. MDBs not connected), with the exception of the RO water plant, which will be used to circulate water in the CyberHandlers. The FAT includes a 24h test using 500 kW load banks.
  • For the SAT at CERN everything will be powered (power module + IT modules). The load banks will be installed in IT2 as IT1 will have undergone already a FAT.

Actions

  • ALICE (Johannes) to provide available dates for the FAT in Belgium, starting from week 30.
  • ALICE and LHCb to check the FAT/SAT documents.
  • Automation to propose a time slot for the LHCb FAT (probably last week of September).

 

Controls

  • Automation will aggregate all dry contacts and MODBUS interfaces in a junction box (one box per module).

Actions

  • Automation to provide a (filtered) list of MODBUS registers for all devices that can be read out (RO installation, MDBs, CyberHandlers, ...) based on the information from Lubron, Schneider and Stulz.
  • Automation to prepare sheet of different equipment that can be connected and with which interface (TCP/IP, RS-485).
  • ALICE/LHCb controls experts to write a specifications document based on the information from Automation.

 

A. O. B.

Actions

  • Automation to send a sketch with the proposed layout of the RO water manifold boxes.
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