Work Resumption: First Hoisting of Tseung Kwan O Bridge
On March 16, the first precast V-shaped pier of Tseung Kwan O Cross-bay Bridge in Hong Kong was hoisted smoothly, laying a solid foundation for the installation of the long-span prestressed concrete box girder of the subsequent superstructure.
There are a total of 12 piers in different external dimensions for the bridge project. The first V-shaped pier is about 7 meters high and weighs 780 tons, which is installed with the 1000-ton floating crane. After investigating the regulations on marine environmental protection of the Hong Kong Special Administrative Region, the Bridge Project Department optimized the construction mode of prefabrication and installation according to the actual situation, greatly reduced the amount of offshore construction, employed the large-scale hoisting resources of the project to the maximum extent, and protected the surrounding marine environment. At the same time, the construction quality has been improved and the construction progress has been speeded up.
In the face of the impact of COVID-19 on the supply of raw materials for the project, Hong Kong Company worked out the plan at the first time, actively communicated with the inland factories, and accelerated the approval of work resumption; meanwhile, the Bridge Project Department actively implemented a number of anti-epidemic measures to ensure that the progress of construction is on schedule with zero infection. The smooth installation of the first prefabricated V-shaped pier has been highly recognized by the owner and the supervisor, which brought momentum to the industry and contributed to boosting the market confidence with CRBC power.