Request from TE-VSC (Guillermo) to be scheduled once the ventilation is back

At this stage, the valves identified for replacement are:

• Vacuum sector HRS20: 4 valves from pumping groups
• Vacuum sector HRS30: 2 valves from pumping groups

All these valves are located in potentially contaminated sectors. Therefore, I assume that ventilation must be re-established before any intervention can be carried out safely.

(ES)

(Crane) Planning end-wk17 / wk18:

• Thursday 23 April: CM1 transport from 170 to SM18. Heavy craning in the morning. Afternoon the crane is free.
• Friday 24 April (contacts: Laura, Filippo, Erwin):
  - scaffolding workers at RILIS need lock-out from 7h-9h: Filippo proposes he will do the lock-out on Thursday 23 April at 17h
  - ISOLTRAP dewar handling by crane 9h-9h30: crane unlocked (Filippo), scaffolding work to stop for ~1/2 hr.
  - 9h30 crane locked out again (Filippo): modifications / dismounting PUMA related adaptation (Filippo Cappelletti). Re-mount modified PUMA pieces in week 19 (4-8 May). 
  - 9h30 scaffolding work at RILIS continues (contact: Laura)
• Mon/Tues 27/28 April: Horizontal core drilling for ISOLTRAP wall emergency exit (Severin + contractor) - crane available for RILIS + VITO work – NO crane lock-out
• Mon/Tues 27/28 April: RILIS laser tables removal (Transport) – NO crane lock-out
• Tuesday 28 April: VITO magnet handling in the hall (~2 hrs) - specialist Brucker hired – NO crane lock-out
• Wedn/Thurs 29/30 April: Vertical core drilling for ISOLTRAP wall emergency exit - crane needed to support and evacuate the concrete wall part – crane lock-out by transport and telecommande in possession of Yann.
• Thursday-afternoon crane to be back available for dewar handling (ISOLTRAP) – Attn.: Fri 1 May off.
  
  

HEBT lines Gas-distribution system commissioning:

• This week Mon/Tues 20/21 April local Miniball, Iss and SEC gas-distribution rack siren and flash light tests (Nicolas Broca). Users and contractors have been informed.
• Gas detection system tests finished with a few points to address:
  - Interface with outside panel to control the various electro valves (waiting for new safety valve to be installed in the outside cage (Letizia))
  - in the 3 racks a copper grounding bar is missing to connect the detector equipment (James)
• Since there will be no use of the system during LS3 an IS37 has been put in place (Letizia)

Platform EPC:

• HT cables tests of the cables between patch panels and machine ongoing: This includes access to the separator zones -> to be coordinated with the foreseen core drilling. Cables numbering will be renewed / added.
• Removal of the scaffolding to be done followed by adaptation of the old false floor. Proposal Jean-Pierre Billon-Grand. Been discussed and validate at the ICL meeting (16/04)?
  
  

REX/HIE ISOLDE preparations CM1 transport: 

• CM1 check outside the tunnel check done - no dose rate at contact found. No risk of access to possible contamination inside. CM1 is ready for transport from RP side (Philippe Bertreix).
  
  

This week transport CM1 -> SM18:

• CM1 was lifted out of the tunnel to the position next to the SAS. 
• RP check done, Wrapping done, Inclination and vibration sensors mounted.
• this week 17 (20- 24 April):
  Transport CM1 from ISOLDE 170 to SM18 - special transport (truck & trailer) on Thursday 23 April as of 8h (confirmed). Heavy use of the overhead crane during handling in the 170 hall (CM1 onto pendulum/trailer).
  SAS and handling zone to be empty (users to be informed).
• Parking to be empty (IBDRS project has been informed): Will be blocked off as of Tuesday-afternoon 21 April.
• Thursday 23rd April difficult traffic circulation around ISOLDE with the Rte Einstein closed (CM1 transport) and Rte Democrite closed (crane). Exeptionally Rte Rutherford will be open - confirmed with the 133 refurbishment project.
  Perturbations to be expected end of the morning at the border when the road will be closed for ~1 hr to pass with the truck.
• RILIS planning kept in the loop (Carlotta, Laura), ISOLTRAP planning kept in the loop (Arthur Jaries) - ISOLTRAP dewars craning: We 22/04 (LHe) and Fri 24/04 (9h) (LN2) in line with the CM1 handling planning.

Planning REX/HIE:  170 REX HIE planning | Document 3383102 (v.1)

Vacuum pumping / ventilation:

• Ventilation systems operational as of 27th April confirmed. Tests ongoing. Hall and separator zone ventilation necessary for:
• Investigation at EBIS to find an assumed leak its vacuum system will need to be restarted (Guillermo)
• Replacement of the HRS20 & HRS30 pumping groups valves in the HRS separator zone (Guilermo)

Work in the 170 HT room:

• Julien Parra-Lopez EPC team: Replacement of the GPS and HRS target heating power supplies ongoing.
  
  

Beamlines:

• RC6 cabling work ongoing. The contractors have been informed of the HEBT gas-distribution system sirens and flash light tests

HRS magnets field control and measurement:

• Request from Marco Buzio TE/MSC to house a full 19" rack. Keep proposed position in 170 R-020 with cables through existing passage (if fits with Ar/N2 and AC tubes). Been discussed and validate at the ICL meeting (16/04)?