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115-kV Transmission Line 115-kV Transmission Line
Siem Reap, Cambodia
Asian Development Bank and Cambodia Power Transmission LinesPower/Energy, Transmission & Distribution
14th Street Corridor - The Ambassador 14th Street Corridor - The Ambassador
Denver, Colorado, United States
City and County of Denver, Downtown Denver PartnershipVisualization, Design Visualization
50 Connaught Road Central 50 Connaught Road Central
Hong Kong
Apollo Global Real EstateProgram Management/Construction Management
63rd Street Connector 63rd Street Connector
Queens, New York, United States
Metropolitan Transportation Authority - New York City TransitRail, Tunneling & Geotechnical
796 Huai Hai Road Restoration 796 Huai Hai Road Restoration
Shanghai, China
Richemont GroupBuilding Engineering, Commercial & Retail
AC Transit State of Good Repair AC Transit State of Good Repair
California, United States
Alameda-Contra Costa TransitStrategic Consulting, Asset Management Strategy
Active Traffic Management Feasibility Studies Active Traffic Management Feasibility Studies
Seattle, Washington, United States
Washington State Department of TransportationIntelligent Transportation Systems
African Burial Ground Memorial African Burial Ground Memorial
New York, New York, United States
General Services Administration Government
Air Liquide Hydrogen Storage Cavern Air Liquide Hydrogen Storage Cavern
Spindletop, Texas, United States
Air Liquide Large Industries U.S., LPPower/Energy, Underground Storage, Program Management/Construction Management
Airport Link, Northern Busway (Windsor to Kedron) and Airport Roundabout Upgrade project Airport Link, Northern Busway (Windsor to Kedron) and Airport Roundabout Upgrade project
Brisbane, Queensland, Australia
Queensland GovernmentTransportation, Highways, Mass Transit, Bus, Mechanical/Electrical, Tunneling & Geotechnical

title

Cross Harbour Tunnel Condition Assessment Survey and Structural Repairs

Hong Kong

Client: Highways and Civil Engineering Departments, Hong Kong Government

Parsons Brinckerhoff Role: Condition Assessment

Cross Harbour Tunnel Condition Assessment Survey and Structural Repairs
Opened in 1972, the 1.1-mile (1.8-kilometer), twin steel immersed tube tunnel was originally designed by Parsons Brinckerhoff. It was the first harbor crossing in Hong Kong, and continues to be the busiest of the three road tunnel crossings, linking Hong Kong Island and Kowloon. Over 130,000 vehicles use the tunnel every day. In 1999, the Highways Department commissioned Parsons Brinckerhoff to undertake a condition survey to identify any necessary repairs and improvements to meet current engineering standards and statutory requirements, and to prepare maintenance procedures to ensure the quality of future inspection and routine maintenance of the tunnel. Parsons Brinckerhoff’s scope of work was all-encompassing, and included all civil and structural elements, tunnel ventilation, power supply, fire protection, traffic control and surveillance, toll collection, and building services systems.

Under a separate contract, Parsons Brinckerhoff was commissioned by the Civil Engineering Department to conduct a detailed survey and assessment of the immersed tube tunnel’s concrete lining.