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TRANSPORT of ICARUSfrom LNGS to CERN

Alberto Scaramelli INFN-Milano

Following the meeting at LNGS on 11-12/9Last News

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Exit route

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To be removed in Tir Gallery

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Some actions, dates and responsibilities 1

l From now on Chiara V. blows clean air inside the cryostat to remove all Argon. The Lab has to find a technical solution.

l By 7 October, Chiara V. opens the welds and unscrew some bolts protecting with plastic the front face.

l 9 October the box arrives from Spain and by the 10th it will be pre-positioned in front of the TPC (J. L. Grenard) during the night 9-10 Oct).

l 13th October the door (towards ICARUS) of the box will be removed (F. Noto procedure) and the box opening is protected with plastic to avoid dust.

l 13th October Claudio M. put in place the plastic tunnel between the cryostat and the box. All electrical services enter there.

l 14th Oct – 7th November: Pavia & Milano groups will install the extraction tools and insert the TPC into the box.

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Some actions & dates 2

l 7th November the Transport Frame will be closed, ready for moving.

l 10Th November the Transport Frame will be out of the GS Lab., traveling to CERN: the truck enters into the tunnel in the early morning and is assembled inside the Hall B, leaving GS in the afternoon.

l 13th November in the night, the second TF arrives and is positioned in front of the cryostat.

Then we have to decide what next, because it is very difficult to be ready for a second transport to CERN for the 10th of December.

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Second Transport Frame: scenario 1

We give priority to insert the first TPC into the clean room at CERNl We have to move the insertion tools from

GS to CERN together with the Pavia Tecsl Insertion week of 24th Novemberl 4th December tools and Tecs back in GS

and insertion work into the 2 TF can restart

l Transport to CERN probably at the end of January or February

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Second Transport Frame: scenario 2

We give priority to insert the second TPC into the Transport Frame in GSassol All insertion operation between 17th

Nov and 9th Decemberl Transport leaves GS to CERN the 10th .

Last possible date. Or leaves end of January

l First TPC insertion into the clean room at CERN in the week of the 15th December or in January.

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Actions & Responsible Persons

l LNGS to organize the argon flushing of the ICARUS detector before any operation in October

l CERN to confirm with the IRMA-GRU the transport dates + plate F. Noto l CERN to confirm the transport with the firm Allieni C Bertonel J.L. Grenard to provide to GS Lab the list of tools and people he will bring,

with all necessary certificatesl F. Noto to provide a written procedure for the removal of the box doorsl C. Montanari to to provide a written procedure for the extraction and

insertion procedure, with all the toolsl M.Nessi to order the missing supportl Ch. Zarra to start the procedure to remove all material for the entrance and

exit of the trucks from the bypass towards L’Aquila (2 dewars, guardian barrack, various small material, several lights and signs)

l Ch. Zarra to organize the removal of the Lab signs inside the freeway tunnell Ch. Zarra to write a letter to the freeway authorities informing of the need for

such special transports and agree on the dates and operationsl C. Montanari to inform Ch. Zarra of the electrical power needs during

operationl C. Montanari at LNGS on the 2 Oct. to tune last details

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Ready to go

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Ready to start

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From 19 September

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At CERN

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185

22m

10m

7m

Clean room for TPC assembly

l A bldg. (185) is being adapted and dedicated to assemble the TPCs in the new cold vessels.

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Conclusions

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l Disassembly of a complex plant as ICARUS and the removal of the main components in such a difficult environment represented very hard work, demanding appropriate procedures/organisation, and care for safety.

l Actions listed in the previous slides are all performed or in the way, with some problems, essentially formal, still open.

l The choice between scenarios 1 & 2 is still pending.

l The transport of the TPCs from LNGS to CERN will be performed without interferences on the critical path of the future overhauling program.

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