Underwater Inspection of the Ford Island Bridge

Client
Dillingham-Manson Joint Venture
Location
Pearl Harbor, HI, United States
Sea Engineering Service
Diving Services

After above water concrete delamination was noticed on several bearing piles on the new 70 million dollar Ford Island Bridge in Pearl Harbor, Sea Engineering was retained to conduct a detailed underwater investigation to determine the condition of the concrete in the bearing piles and to determine what, if any, repair was required. The inspection included Level I, II and III inspections. Level I work included complete visual inspection of the bearing piles selected for the evaluation. The piles were cleaned top to bottom using a hydraulic cleaning tools and a level II inspection then conducted. SEI then carried out core drilling operations to recover samples for testing. The work also included complete removal and sectioning of one pile for forensic testing.

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