The inspections, part of a regular review of major projects, found problems at two power plants under construction in the north, as well as cracks in a tunnel being built in Ho Chi Minh City.
In a report to Prime Minister Nguyen Tan Dung on Wednesday, the State Inspection Committee for Construction Projects (SICCP) said it found leaks in some pipelines and cracks in three water valves at the Uong Bi Thermo-electric Plant in the northern province of Quang Ninh.
The inspectors said they found some technical problems at Son La and Tuyen Quang hydroelectric plants in the north but the contractors were already working to resolve the issues.
Inspections of other major projects, including the Dung Quat Oil Refinery in the central province of Quang Ngai and Ca Mau gas-power-fertilizer complex in the southernmost Ca Mau Province, found no major problems, the SICCP said.
However, the committee said the investor of the Thu Thiem Tunnel in HCMC still had not found the cause of cracks, which were now absorbing water, in four prefabricated tunnel sections.
The four tunnel sections, which were built in neighboring Dong Nai Province, are to be transported to HCMC and submerged to become part of the tunnel.
The investigators said the project investor, the management unit of the East-West Highway and HCMC water environment project, had yet to fully assess the effect of the cracks on the underwater tunnel’s load capacity, waterproofing and lifespan.
The submerged tunnel, a 371-meter-long section running under the Saigon River, is part of the 1,490-meter-long Thu Thiem Tunnel.
When complete, the tunnel will link HCMC’s downtown District 1 with District 2 on the Thu Thiem peninsula.
The inspectors said an inspection of the tunnel ramps had uncovered sinking foundations.
The SICCP called on the investor and contractors of the East-West Highway project to monitor the bridge scaffolding during construction and regularly measure the level of subsidence.
Reported by Kap Thanh Long |
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