The document discusses the Riyadh metro project in Saudi Arabia, including: 1) The project involves building 178 km of metro lines with 6 lines and 85 stations at a cost of $22 billion. 2) Construction is currently underway on several lines, including Line 4 where precast production and viaduct and elevated station construction is occurring. Tunnel boring machines are being used and assembled for Line 5. 3) Monitoring of construction and high accuracy surveying techniques are required for the project.

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Riyadh metro project – Kingdom of Saudi Arabia
Clemens Tierie
Version Date: 26.4.15

3. Riyadh metro project
• 178 km
• 6 Lines
• 85 Stations
• 22 Billion dollar

5. First Viaduct Installed by Governor of Riyadh

6. FAST Line 4
Current Works Locations – Line 4
4G3
4G2
4G1
4E1
4D1
4C2
4C1
4B1
4A1
FSLM Precast ProductionFSLM Precast Production

7. Viaducts and Elevated stations

8. Line 5
North TBM Launching
Shaft/Depot
5C4 /
2C4
5C2
5C1
5B4
5B3
5B2
5B1
5A4
5A3
5A5
5A2
5A6
5A1 /
1F4
Central TBM Launching Shaft / Station
5B3
1st TBM assembling at Central Launching
Shaft
1st TBM assembling at Central Launching
Shaft

9. TBM – Line 5
5B2
5B1
5A4
5A3
5A2
5A6

10. Line 6
6D1/4C
2
6D2
6E1
6F1/2E1
6G1
6G2
6H1
6H2/3J1
FSLM / BCM Precast Yard
Viaduct Section 6.1.2
Viaduct Section 6.1.3
Station 6E1
Cut & Cover Section 6.2
Viaduct Section 6.2
Steel Cage for Pile – Viaduct 6.1.3Steel Cage for Pile – Viaduct 6.1.3
At Grade
Section 6.1
Cut & Cover Section 6.3 -
Barriers
At Grade
Section 6.2
Cut & Cover Section 6.4 -
Barriers

11. Line 6 Construction sites
Total length line 6 : 21.043 m
C&C Tunnel : 7.202 m
Viaduct : 12.419 m
At grade : 1.422 m

12. Elevated Stations (ELS)

13. C&C Tunnel Construction

14. Construction of pile cap

15. Creation of Permanent Reference Markers
Specifications:
Primary network:
• Spacing > 1000 meter
• Horizontal error between two points >
10mm
• Vertical error between two points 2.0
mm (loop misclosure)
15

16. Creation of Permanent Reference Markers
16

17. Installation of GNSS reference stations
17

18. Construction surveying
Requirements:
• High accuracy
• Proven technology
• Reliable supplier
• Reliable after sales organisation
• Quick response time in case of emergency
18

19. Construction surveying
19

20. Monitoring
20

21. Kumonos
21

22. Riyadh Metro Project – Questions ?
22

23. Thank You!