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Assembly Hall in Hybrid-A’ and ILD 2014/9/6 Yasuhiro Sugimoto 1.

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Presentation on theme: "Assembly Hall in Hybrid-A’ and ILD 2014/9/6 Yasuhiro Sugimoto 1."— Presentation transcript:

1 Assembly Hall in Hybrid-A’ and ILD 2014/9/6 Yasuhiro Sugimoto 1

2 Assembly hall for ILD Five pieces of ILD yoke (YE-, YB-, YB0, YB+, YE+) are assembled in the surface assembly hall (AH) Each yoke is assembled on the floor, and moved to a platform in AH by air-pads, and lowered to the underground detector hall after installation of some sub-detectors and magnetic field mapping Muon detectors, solenoid coil, and barrel/endcap calorimeters are installed on surface (Trackers are installed underground) 2

3 ILD requirement for AH Space –ILD needs assembly space for 5 yoke rings and solenoid –If we assume 25mx10m space for each of YE± and YB±, and 25x20m for YB0 and solenoid, respectively, 25mx80m space is necessary Crane –A 250 ton crane for yoke assembly and an 80 ton crane for solenoid/detector assembly and installation are needed –~4000 ton gantry crane for detector lowering Hall height –22.6m from the floor to crane rail, 6m from crane rail to ceiling, plus alpha for lights and fans on the ceiling Cryogenics –He gas pipes have to be connected from the compressor building for magnetic field mapping in AH Platform –ILD should have its own platform on surface to avoid the risk of delay of SiD construction 3

4 AH with a garage AH should have a garage (alcove) for ILD to put 2 pieces (YE+, YB+) aside This configuration gives several merits 4 Garage

5 Merits of AH with garage Shorter AH –ILD assembly area: 80m  65m Flexibility of assembly area configuration, and effective use of 2 cranes Preferable lowering order of ILD –YE-  YB-  YE+  YB+  YB0 is preferable, and can be achieved if we have a garage –YE-  YB-  YB0  YB+  YE+ might be OK if cryogenic apparatus on YB0 is small enough 5 80t crane has no task at this stage

6 Lowering order of ILD AH w/o garage 6 YE-YB-YB0YB+YE+

7 Lowering order of ILD AH w/o garage using SiD platform 7 1. Field mapping 2. YE- 3. YB- 4. YE+ 5. YB+ 6. YB0 Platform for ILD Platform for SiD

8 AH with a garage 8 Lowering order of ILD 1. Field mapping 2. YE- 3. YB- 4. YE+ 5. YB+ 6. YB0 YE+, YB+ step aside YB0 step back

9 A possible design of AH Plan view Compressor building 9 1 st phase assembly hall for ILD 50m space between 2 assembly halls is required for VS/DH construction

10 A possible design of AH Side view 10

11 Size of garage 11

12 A possible ILD assembly scenario Assumption –Similar timeline as Fig.14.10. in TDR Vol.3.II –Surface AH shown in the previous pages –Same assembly scenario of superconducting magnet as CMS; YB0  Outer Vacuum Tank (OVT)  Coil  Inner Vacuum Tank (IVT) OVT assemblyCoil insertion IVT insertion 12

13 A possible ILD assembly scenario 13245679810 13 Not ILD official timeline Just a working assumption for the assembly space study

14 A possible ILD assembly scenario Step-1 Surface platform construction YB0 assembly Preparation for coil assembly 250t crane 80t crane 14 Swiveling platform for coil assembly Platform for ILD Garage 1 st phase assembly hall

15 Step-2 YE+ assembly Coil outer vacuum tank (OVT) assembly Coil assembly 15

16 Step-3 YE- assembly YE+ Muon detector installation Inner vacuum tank (IVT) assembly Coil assembly 16 IVT

17 Step-4 YE- assembly YE+ Calorimeter installation IVT, Coil assembly 17

18 Step-5 YE- assembly YE+ Calorimeter cabling YB0 Muon detector installation Coil assembly 18

19 Step-6 YB+ assembly YE+ pushed into garage, ECAL cabling YE- Muon detector installation Coil assembly 19

20 Step-7 YB+ assembly YE- Calorimeter installation Coil, IVT installation  test for vacuum, cooling, and low current 20

21 Step-8 YB+ Muon detector installation YB0 Calorimeter installation 21

22 Step-9 YB+ pushed into garage YE- pushed to vertical shaft side YB- assembly, Muon detector installation YB0 Calorimeter installation 22

23 Step-10 Close detector Field mapping (SiD is >50m away from ILD) 23

24 Conclusion AH with a garage has several merits for ILD If AH can have a garage, ILD can be assembled with 65m (=52.5m+12.5m) length of AH (1 st phase AH) Total length of AH could be ~180m (65+50+65m) if SiD requires same length of assembly area 24


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