Owner
London Underground
Client
Capita Symonds / Joseph Gallagher
Cost
£9 million GBP
Timeframe
January 2009
— May 2010
Services performed
Tunnel and shaft design, construction support during excavation and primary lining works.
Description
Green Park tube station is a LU station situated on the north side of Green Park in central London. The station serves as an interchange between the Piccadilly, Victoria and Jubilee lines. As part of Transport for London's (TfL) investment programme, LU is implementing capacity enhancement and step‐free access (SFA) works to various stations. Dr. Sauer & Partners was responsible for the design of the primary support, i.e. sprayed concrete lining (SCL) and for providing construction support services including supervision of the excavation works and installation of the primary lining.
Geology
London Clay formation
Location
London, UK
Highlights
- Large tunnel excavation in close proximity to live LU platform tunnels
- Shaft and tunnel excavation underneath a live triple escalator
Proposed structures
Secondary lining works - upper shaft