preparing tpc installation
DESCRIPTION
Preparing TPC Installation. Preparations in SXL2. Remove clean room wall (towards Muon area) and roof Clear area for trailer Setup hydraulic station. DF + TPC. DF + TPC. Hydraulic station. Alternative: mobile crane. plan view. side view. Complete TPC/TRD heat screen - PowerPoint PPT PresentationTRANSCRIPT
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TB 14.9.06 Peter Glässel, Heidelberg 1
Preparing TPC Installation
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Preparations in SXL2
Remove clean room wall (towards Muon area) and roof
Clear area for trailer
Setup hydraulic station
DF +
TPC
DF +
TPC
![Page 3: Preparing TPC Installation](https://reader036.vdocuments.mx/reader036/viewer/2022062807/56814fcd550346895dbd9002/html5/thumbnails/3.jpg)
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Hydraulic station
plan view side view
Alternative: mobile crane
![Page 4: Preparing TPC Installation](https://reader036.vdocuments.mx/reader036/viewer/2022062807/56814fcd550346895dbd9002/html5/thumbnails/4.jpg)
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Preparations in UX2
Complete TPC/TRD heat screen Platform under shaft: intermediate support for Delphi Frame (DF)Before L3 magnet
Support for DF (surveyed)Space Frame area
I-bars stored at BFConnection rails at BSFITS platform (used when moving TPC)
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Special precautions
DF has 4 feet, but no deformation allowed
Lifting jig is 3-point
4-point floating hydraulic support
3-point support (on trailer)
TPC is a closed volume, safety bubbler with Δp < 1 mbar
Watch Δp, ΔT to avoid sucking air
CO2 bottle on DF for replenishing
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TPC transport
Transport document is prepared DF + TPC: 24 t
1. On SX2 crane from clean room to hydraulic station2. Raise to allow trailer to pass under DF3. Lower onto trailer4. Transport on trailer to SX25. Pick-up with hydraulic station6. Lower to allow transfer to SX2 crane7. Lower into shaft onto intermediate support8. Transfer to UX2 crane9. Move to final support before L3 magnet
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ITS platform
Any number of segments possible
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Installation sequence
Based on previous experience in TPC-ITS integration test
1. Align, install connection rails
2. Move to IP under surveyNo adjustments of SF during moving foreseen, expected deformations < 2mm (cf. tolerance for beam pipe ±5 mm)
3. Align TPC at IP
4. Move back to ‘parking position’ under survey
5. ITS installation
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Spares
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Alignment of TPC with Beam Axis
Once the TPC is in the final position, the TPC axis is aligned with the beam axis.
Again, only the x,y,z, coordinates of the outer (and possibly inner) reference rods on the shaft side can be used to determine the position of the TPC.
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Installation of 1st ITS rail section
Two 6m sections of the ITS rails are inserted through the TPC and fixed by the ITS rail fixation points on the frontabsorber.
Then, the fixations points are slightly opened to allow the ITS rails to move to the parking position together with the TPC.
Since we assume that after movement of TPC to parking position and back to the IP the TPC ends up in the same position, the above procedure will make sure that the ITS rails are well aligned with the TPC when it moves to the IP.
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Heatscreen
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