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Geosystems at HxGN LIVERiyadh metro project – Kingdom of Saudi Arabia

Clemens Tierie

Version Date: 26.4.15

Riyadh metro project

• 178 km

• 6 Lines

• 85 Stations

• 22 Billion dollar

First Viaduct Installed by Governor of Riyadh

FAST Line 4

Current Works Locations – Line 44G3

4G2

4G1

4E1

4D1

4C2

4C1

4B1

4A1

FSLM Precast ProductionFSLM Precast Production

Viaducts and Elevated stations

Line 5

North TBM Launching

Shaft/Depot

5C4 / 2C4

5C2

5C15B4

5B35B2

5B1

5A4

5A3

5A5

5A2

5A6

5A1 / 1F4

Central TBM Launching Shaft / Station 5B3

1st TBM assembling at Central Launching Shaft1st TBM assembling at Central Launching Shaft

TBM – Line 5

5B2

5B1

5A4

5A3

5A2

5A6

Line 6

6D1/4C2

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

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

Elevated Stations (ELS)

C&C Tunnel Construction

Construction of pile cap

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

Creation of Permanent Reference Markers

16

Installation of GNSS reference stations

17

Construction surveying

Requirements:

• High accuracy

• Proven technology

• Reliable supplier

• Reliable after sales organisation

• Quick response time in case of emergency

18

Construction surveying

19

Monitoring

20

Kumonos

21

Riyadh Metro Project – Questions ?

22

Thank You!