Circle Line Stage 3 870C - Design and Construction Management

Client: Land Transport Authority Singapore

Project Value: S$1.2 billion

Date: April 2001 - December 2008

Background:

The Circle Line (CCL) is a new orbital link connecting all the existing radial Rapid Transit System (RTS) lines running into the city. It is sponsored by the Land Transport Authority (LTA) of Singapore, & will Cost an estimated S$6.7 billion. The CCL will be a fully underground orbital system. It will have interchange stations with the existing North-South and East-West lines, as well as the North-East Line (NEL) to provide better connectivity and convenience to commuters. The CCL is 33.3 km long with 29 stations. Starting from the Dhoby Ghaut station, it will run through some of the busiest corridors in the city and end at Harbour Front station on the North-East Line.

Scope of Services:

• The detailed structural, architectural & E&M design of 4 underground stations, namely: - Bartley, Serangoon, Lorong Chuan & Marymount. Bartley & Lorong Chuan stations are both designated as Civil Defence underground structures.
• Design alignment of 5.7Km of twin bore TBM driven tunnel.
• Tender document preparation & evaluation.
• Building Permit submission
• Design support services during construction and commissioning, including temporary works review.
• Provision of Qualified Persons for Civil & Structural, Architecture & E&M construction & commissioning works.