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Project: Jubilee Line Extension: Contract 102 - Waterloo and Westminster Station
Owner: London Underground Limited
Client: Taylor Woodrow Civil Engineering Limited
Service: Value engineering: NATM alternative design at tender stage
Cost Estimate:   Commencement: 1993 Completion: 1996
Location: London, Great Britain
Technical Data: New Underground Station: NATM works comprising platform tunnels, central concourse, cross passages, ventilation tunnels etc.
Geology: Soft Ground Made Ground, Alluvium / Terrace Gravels, London Clay.
Activity Code:   Project Type: DSC On Website? Yes
Bid Cost:   Final Cost: 150.0 million Euros
Project Category: Urban Rail/Bus Stations and Tunnels
Project Service Areas: Site Supervision & CM, QA/QC, Tunnel Design & Specialities
Construction Methods  
Special Construction Techniques:  
Tunneling Under:   Groundwater Control:  
Overburden:     Excavation Area:     Tunnel Length    
Sheet: None


General Layout of the NATM Works

01-General Layout of the NATM Works

Optimized Cross Section with typical Waterproofing and Drainage Details

02-Optimized Cross Section with typical Waterproofing and Drainage Details

Overview and Cross Section

03-Overview and Cross Section

Invert Excavation

04-Invert Excavation

Shotcrete Application

05-Shotcrete Application

Sidewall Drift

06-Sidewall Drift

Reinforcement of the Final Lining

07-Reinforcement of the Final Lining

View of Tunnel Junction before Final Lining

08-View of Tunnel Junction before Final Lining

Finished Tunnel

09-Finished Tunnel

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