201232 YSugimoto Background Request for more space from DESY team Several installation works in parallel Depends on total allowed construction perio d Design of common cryogenic system ILD ID: 590006
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Slide1
Japanese detector hall update
2012/3/2
Y.SugimotoSlide2
Background
Request for more space from DESY team
Several installation works in parallel
Depends on total allowed construction perio
d
Design of common cryogenic system
ILD,
SiD
QD0, QF1, Crab cavity in BDS
Wiggler magnet, RF cavity of damping ring
Discussion with civil engineering experts (J-Power)Slide3
Detector hall – Option A
Much longer alcoves for ILD
One longer cavern without service cavern
Utility cavern
Space for detector assembly/servicesSlide4
Detector hall – Option ASlide5
Detector hall – Option B
One longer cavern without service cavern
Alcoves on both sides
Longer alcoves (can be still longer)
Access tunnel entrances shifted
Utility cavern
Space for detector assembly/servicesSlide6
Detector hall – Option BSlide7
Detector install/assembly
3 or 4 areas can be used at the same time
Platform
Assembly/service area
Yoke segment can be built by using a small tentative platform (made of iron?) which does not conflict with the driving mechanism of the platform during
yoke movement
Smaller crane on a girder independent of 250 ton crane may be used at the same time as the 250 ton craneAlcove (s)Small crane with the hook height of ~12mCAL assembly may be possibleSuitable for cabling/piping work Slide8
Compressor cavern
Compressor cavern common to DR, BDS, and detectors will be built inside the damping ring
Two cold boxes: for DR and
IR
Compressor cavern near the detector hall in the old design will be used as a utility cavern