1. 8-10 April 2014 CFS-ADI Joint Meeting
Interaction Region Solutions
Hybrid Detector Hall Access impact on Overall Construction schedule
Yoshinobu NISHIMOTO
8-10 April CFS-ADI Joint Meeting

2. Back ground in latest Hybrid study
Results of first step study HT, VS, Hybrid
Construction cost
Shaft construction and Lowering System are expensive
But mechanical facility cost of shaft case is inexpensive than tunnel case
Construction period
Shorter in shaft case because, smaller section tunnel and smaller D/H.
Comments, pros and cons from Detector team
Both of shaft and tunnel access will be better.
Shaft access is easy to install in ILD case similar to CMS
Risks in Hybrid case, geology, wider surface ground , larger buildings , is it practical ?
Next study “Current study” Hybrid option
Hybrid-A : base case of Hybrid
Both detectors installed through VS
Hybrid-B
ILD-VS and SiD-HT
There are a shaft and a tunnel in Hybrid case, use them each other in ILD and SiD.
Hybrid-C
Both detectors installed through HT
Just adding UT shaft to HT case
Shaft access available, and mechanical facility cost will be reduced.
There are no conclusive different in both case
8-10 April CFS-ADI Joint Meeting

3. Hybrid option case study
Baseline
Hybrid-A
Hybrid-B
Hybrid-C
1 HT (11x11m 7%grad)
Detector assembling is inside of DH
1 HT (8.0x7.5m 10%gradl)
2 VS (D18m, D10m)
Detectors assembling is on-ground.
1 HT (9.5x9.0m 7%gradl)
1 VS (D18m)
ILD assembling on-ground
SiD inside D/H
1 VS (D10m)
UT lines in DR/AT
UT lines in UT shaft
UT lines in Main shaft
DH 175,000m3
L144m H42m W25m
DH 128,000m3
L108m H42m W25m
DH 165,000m3
L134m H42m W25m
Heavy lowering system non
Heavy lowering system necessary
Location of DH and assembly yd. can be selected individually.
Assembly hall is above D/H
same as on the left
Human pass way :car
Machine and materials tunnel by vehicles
Human pass way :elevator
Machine and materials ILD:VS HT , SiD:HT
Environmental impact will be smaller during construction.
Noise reduction
Evacuation ways Main AT and DR HT.
Main AT
W11m Grad7%
Assembly Yd
D/H
Upper A/T
D/H
Assembly Yd
Main AT
W8m Grad10%
D/H
Assembly Yd
Main AT
W9.5m Grad7%
D/H
Assembly Yd
Main AT
W11m Grad7%
8-10 April CFS-ADI Joint Meeting

4. Baseline General layout
Tunnel access for D/H
Considering minimize of construction cost, total tunnel length shorter.
Main A/T divides into Upper A/T and Lower A/T.
D/R A/T
Lower A/T
Upper A/T
Main A/T
8-10 April CFS-ADI Joint Meeting

5. Baseline Detector hall
8-10 April CFS-ADI Joint Meeting

6. Installation depth of D/H in case of Hybrid case
P wave velocity (m/s)
Ground surface
Soil or weathered rock thickness ~50m
Minimum hard rock coverage ~40m equivalent to cavern height
Hard rock
Geological condition is not certain at the D/H place in case of Hybrid case. Assume the condition from borehole investigation result implemented near place. Soil or weathered weak rock : 50m D/H Top : EL.140m D/H Bottm : EL. 98m
2/23/2019

7. Hybrid Case Common layout
Access tunnel arrangement
2 hear-pin curves , because 3 points (portal, upper connection, lower connection) are near.
Keep sufficient separation distance from B/T, D/H, D/R.
Min. radius is 50m transporter vehicle.
Gradient
Hybrid A,C 7% and adding 10% level part
Hybrid B 10% and adding 10% level part
Ground forming “Just trial study”
Two elevation along the slope EL. 190m and 220m
Each land area : more than 20,000m2
Near the existing road
20,000m2
34,000m2
8-10 April CFS-ADI Joint Meeting

8. Hybrid-A Tunnel arrangement
Main shaft D18m : IR point and ellipse shape
UT shaft D10m : UT cavern with elevator
8-10 April CFS-ADI Joint Meeting

9. Hybrid-A Shaft and Tunnel section
8-10 April CFS-ADI Joint Meeting

10. Hybrid-A Detector hall
Detector hall length is shortest.
Is it available?
8-10 April CFS-ADI Joint Meeting

11. Hybrid-B Tunnel arrangement
Main shaft D18m : ILD side end, utilities and elevator is inside of Main shaft
Tunnel section is decided considering SiD installation
W9.5m x H9.0 with evacuation path.
8-10 April CFS-ADI Joint Meeting

12. Hybrid-B Shaft and Tunnel section
8-10 April CFS-ADI Joint Meeting

13. Hybrid-B Detector hall
Detector hall length ILD shortened
SiD same as TDR
8-10 April CFS-ADI Joint Meeting

14. Hybrid-C Tunnel arrangement
UT shaft D10m : UT cavern, utilities and elevator
Tunnel section is largest
8-10 April CFS-ADI Joint Meeting

15. Hybrid-C Shaft and Tunnel section
8-10 April CFS-ADI Joint Meeting

16. Hybrid-C Detector hall
Detector hall length as the same as TDR
8-10 April CFS-ADI Joint Meeting

17. Architectural and Mechanical facility
Spec
Unit
Baseline
HB-A
HB-B
HB-C
DH-A/T Evacuation pass way
H2.5xW2.0m m
980
1,020
1,480
DH-A/T Doors
4.5m2
pcs 20 30
DR-A/T Evacuation pass way
1,000
DR-AT Doors
Shaft Elevator
17num 150m/min
set - 1
Shaft Evacuation Stair
140m 2
Shaft Evacation Doors 55
220
Mechanical
Spec
Unit
Baseline
HB-A
HB-B
HB-C
LCW
φ750mm CS 2way m
2,000
260
Chw
φ200mm CS 2way
Pipes for supply
φ100mm SUS
1,000
130
Pipes for return
φ200mm SUS
Ducts
2.6m×2.0m 2way
Cost of Heavy Lowering System is very expensive, almost 50% of total, but it not sure.
8-10 April CFS-ADI Joint Meeting

18. 8-10 April 2014 CFS-ADI Joint Meeting
Handling equipment
Items
Spec
Unit
Baseline
HB-A
HB-B
HB-C
DH Main/H Crane
250t S25m h35m
pcs 2
215t S25m h35m 1
80t S25m h35m
40t S25m h35m
DH Alcove Hoist Crane
2.5t S25m h25m 4
Assembly Hall
250t S25m h130m
Heavy Lowering system
4100t h130m
Cost of Heavy Lowering System is very expensive, almost 50% of total, but it not sure.
8-10 April CFS-ADI Joint Meeting

19. D/H construction procedure CFS work
Time line
Upper A/T
Arch Ex.
Side wall or side pillar conc.
Bottom drainage
Base concrete
Alcoves Ex.
Side wall drainage
Architectural and mechanical facility
Interior finishing
Lower A/T
BT connection Ex.
Crane inst.
Temporary crane
Shaft Ex. & lining
Bench Ex.
Detector
Inst.
Critical Path.
8-10 April CFS-ADI Joint Meeting

20. Progress rate based on TDR
Tunnel
Cavern
Shaft
8-10 April CFS-ADI Joint Meeting

21. Baseline (Detectors / HT installation) Schedule
Main A/T is shorter because of portal EL. Is lower
8-10 April CFS-ADI Joint Meeting

22. Hybrid-A (Detectors / VS installation) Schedule
8-10 April CFS-ADI Joint Meeting

23. Hybrid-B (ILD / VS, SiD / HT installation) Schedule
Main-Upper EL m：⊿H57.6m　7%grad. X110%= 905m
Lower EL m:⊿H34.5m 7%grad. X110%=550m
8-10 April CFS-ADI Joint Meeting

24. 8-10 April 2014 CFS-ADI Joint Meeting
Hybrid-C (Detectors / HT installation with UT/VS) Construction Schedule
Main-Upper EL m：⊿H57.6m　7%grad. X110%= 905m
Lower EL m:⊿H34.5m 7%grad. X110%=550m
8-10 April CFS-ADI Joint Meeting

25. Baseline (Detectors / HT installation) Cost Estimation
Items
Spec
Unit
Qt.
Unit P
Amount
k JPY
Portal work
W11.0 H11.0 LS 1
Main A/T D2 m
150
Main A/T
595
Upper A/T
W8.0, H7.5
100
Lower A/T
540
EH connect T
190
Subtotal EH
W25.0, H42.0, L144 m3
157,560
EH ILD Garage
W20.0, H19.6, L12.5
9,000
EH SiD Garage
W20.0, H18.0, L12.5
9,200
Drainage for Hall
@10m mesh
910
PS Anchor
pcs
1,850
Based Concrete
t=1.0
4,550
Side Wall Concrete
t=1.0 h30m
13,020
Total
8-10 April CFS-ADI Joint Meeting

26. Hybrid-A (Detectors / VS installation) Cost Estimation
Items
Spec
Unit
Qt.
nit P
Amount
k JPY
Portal work
W8.0, H7.5 LS
Main A/T D2 m
150
Main A/T
510
Upper A/T
100
Lower A/T
360
EH connect T
160
Subtotal
Main Shaft D18m
Portal 1
Shelter
Soil
20.0
Rock
67.6
UT Shaft D10m
88.6 EH
W25.0, H42.0, L108 m3
118,170
EH ILD Garage
W20.0, H19.6, L12.5
9,000
EH SiD Garage
W20.0, H18.0, L12.5
9,200
Drainage for Hall
@10m mesh
630
PS Anchor
pcs
1,435
Based Concrete
t=1.0
3,650
Side Wall Concrete
t=1.0 h30m
10,860
Total
8-10 April CFS-ADI Joint Meeting

27. Hybrid-B (ILD / VS, SiD / HT installation) Cost Estimation
Items
Spec
Unit
Qt.
Unit P
Amount
k JPY
Portal work
W9.5, H9.0 LS 1
Main A/T D2 m
150
Main A/T
655
Upper A/T
W8.0, H7.5
100
Lower A/T
550
EH connect T
160
Subtotal
Main Shaft D18m
Portal
Shelter
Soil
20.0
Rock
67.6 EH
W25, H42, L134 m3
146,600
EH ILD Garage
W20, H19.6, L12.5
9,000
EH SiD Garage
W20, H18.0, L12.5
9,200
Drainage for Hall
@10m mesh
910
PS Anchor
pcs
1,735
Based Concrete
t=1.0
4,300
Side Wall Concrete
t=1.0 h30m
12,420
Total
8-10 April CFS-ADI Joint Meeting

28. Hybrid-C (Detectors / HT installation with UT/VS) Cost Estimation
Items
Spec
Unit
Qt.
Unit P
Amount
k JPY
Portal work
W11.0 H11.0 LS 1
Main A/T D2 m
150
Main A/T
655
Upper A/T
W8.0, H7.5
100
Lower A/T
550
EH connect T
190
Subtotal
UT/EV Shaft D10m
Portal
Shelter
Soil
20.0
Rock
88.6 EH
W25, H42, L144 m3
157,560
EH ILD Garage
W20, H19.6, L12.5
9,000
EH SiD Garage
W20, H18.0, L12.5
9,200
Drainage for Hall
@10m mesh
910
PS Anchor
pcs
1,850
Based Concrete
t=1.0
4,550
Side Wall Concrete
t=1.0 h30m
13,020
Total
8-10 April CFS-ADI Joint Meeting

29. Summary of Cost and Schedule
Baseline
Hybrid-A
Hybrid-B
Hybrid-C
Construction periods after land development
61.7 months
49.1 months
58.1 months
62.6 months
Construction Costs
100%
109%
115%
101%
Main AT
W11m Grad7%
Assembly Yd
D/H
Upper A/T
D/H
Assembly Yd
Main AT
W8m Grad10%
D/H
Assembly Yd
Main AT
W9.5m Grad7%
D/H
Assembly Yd
Main AT
W11m Grad7%
8-10 April CFS-ADI Joint Meeting

30. Summary of Cost and Schedule
8-10 April CFS-ADI Joint Meeting

31. 8-10 April 2014 CFS-ADI Joint Meeting
Issues
Geological condition
Geological condition is one of the critical condition to decide Hybrid case
At least one borehole investigation / L=150m
Seismic exploration
Topographical map
Land　use condition
Agricultural promotion area, forest, cultural asset, ,,,
Surface ground use demarcation Detector team and CFS
CFS work not only D/H and assembling will be carried out parallel.
Space and schedule
Same issue is in case of baseline
8-10 April CFS-ADI Joint Meeting

32. Raise boring system

33. 8-10 April 2014 CFS-ADI Joint Meeting
Shaft excavation
Noise reduction shelter
JAEA
8-10 April CFS-ADI Joint Meeting