Kumagai Gumi

Technology/Major Contracts

Overseas Projects - Civil

BOT (Built-Operate-Transfer)

Second Stage Expressway System, Bangkok, THAILAND

Second Stage Expressway System, Bangkok, THAILAND

Completed in 1994
Client: Bangkok Expressway Co., Ltd.
Project Outline: Project management of the design and construction of the 32km route connecting with the First Stage Expressway to form an inner ring road around Bangkok.

Sydney Harbour Tunnel, Sydney, AUSTRALIA

Sydney Harbour Tunnel, Sydney, AUSTRALIA

Completed in 1992
Client: Sydney Harbour Tunnel Co., Ltd.
Project Outline: The design and construction of a 2,280m-long immersed tube expressway tunnel complete with 1 no. ventilation building and 1 no. traffic control building.

Eastern Harbour Crossing, HONG KONG

Eastern Harbour Crossing, HONG KONG

Completed in 1989
Client: New Hong Kong Tunnel Co., Ltd.
Project Outline: The design and construction of a 1,859m-long immersed rail and road tunnel complete with a 401m-long cut & cover road tunnel, a 3,740m elevated road, 2,400m-long drill and blast rail tunnels, and a 250m-long cut & cover rail tunnel.


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