JV Züblin Jäger performing Israel’s longest Tunnel construction 13 km Tunnelling Hard-Rock-Double-Gripper TBM 1,3km Tunnelling Roadheader Sandvik MT 720 13,5 km Steel lining ID 100” for suppling 65.000m3 Water hour to Jerusalem

1. 5th Line to Jerusalem
Presentation for ALGK/Linkedin
January 2018
1/9/2018 1

2. 1. General
2. Tender
3. Contract Documents
4. The Project
5. The Tunnel
6. The TBM – tunnel boring machine
7. Kesalon Portal
Table of contents
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3. 8. Support Class
9. Soreq Portal
10. Ein Karem Shaft
11. David Surge Shaft
12. Steel Pipe lining
Table of contents
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4. • The existing water supply systems to Jerusalem is
reaching its maximum and the water consumption in
Jerusalem is expected to continue developing.
• New water supply system, titled as the “5th Water
Supply System to Jerusalem” is planned, this new
system will supply water directly to Hagihon Ltd.
Jerusalem Water and Waste Water Works
Corporation
1. General
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5. • Due to the topography between Kesalon and Ein
Karem, which is characterized by steep terrain, and
to minimize environmental impact to the Avshalom,
Shoham and other nature reserves in this area, a
tunnel has been planned.
1. General
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6. • Mekorot Water Co. Ltd. (MWC) a government-owned
company – The Client
• RFP for Design Build issued on May 2014
• Contractor – Joint Venture Züblin AG and Jäger Bau
• Nomination as the preferred bidder on July 2015
• Contract Signature date 7 April 2016
2. Tender
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7. Main Project Components:
1. Water Supply Tunnel
2. Surge Mitigation Facility
3. Steel Pipe lining
4. Connection to Water System
5. Adit Tunnel
4. The Project
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8. • Length ~13 Km
• Diameter - 3.9m
• 3% - 1% Inclination
• Tunnel Start 304 aslm – Tunnel End 521 aslm
• Rock Conditions – Limestone and Dolomite
• Rural Area
5. The Tunnel
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9. 5. The Tunnel
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Chainage 10+000 to 16+000

10. 5. The Tunnel
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Chainage 16+000 to 23+000

11. 5. The Tunnel
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12. • Construction by Open Shield Double Gripper TBM
(1988 Atlas Copco Jarva TBM fully refurbished)
• Temporary Support by: Shotcrete, Wire-mesh, Steel
Arcs and Rock bolts (friction/fully grouted)
6. The TBM “Isabel”
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13. 7. Kesalon Portal
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14. 6. The TBM “Isabel”
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15. 7. Kesalon Portal
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16. 8. Support Class
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• Support Class II • Support Class II Design

17. 8. Support Class
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• Support Class II • Support Class II Design

18. • Conventional Tunneling (Road-Header Sandvik MT 720 - NATM)
• Safety
• Optional Structure for logistics
9. Soreq Portal
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19. 9. Soreq Portal
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20. 9. Soreq Portal – Auxiliary Tunnel
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Tunnel Length ~ 1300m – 27m2

21. 10. Ein Karem Shaft
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• Work Site adjacent to
Pump Station
• TBM retrieval location
• Connection to Water
System

22. • Connection to
Water System
• TBM target
shaft
• Dimension:
16m x 12m
depth ~30m
10. Ein Karem Shaft
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23. 11. David Surge Shaft
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• Raise Bore or Drill & Blast
• Steel lined
• Final Structure at surface
• 290m vertical Shaft

24. Drill & Blast Site Installation
11. David Surge Shaft
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25. 12. Steel Pipe lining
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• Steel Pipe with cement
inner liner
• Butt joint welding
• Grout filling
• No Collaboration with
Rock

26. The Project TEAM
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1000m & Feast of St. Barbara 2017

27. JV Züblin Jäger
Constructing Israel’s longest Tunnel
visit us on
www.jv-zueblin-jaeger.com
Thank you for attention!
Special thanks to Mr. Assaf Kuhnreich B.Sc. MBA
for authorship and supporting this presentation
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