Offshore Cofferdams from Japan
Temporary watertight enclosures that float and create dry work areas for underwater construction like bridge piers. They qualify under HTS 8907.90.00 as other floating structures, directly matching the example of cofferdams.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Ensure structural engineering certifications for load-bearing and stability during customs clearance
• Declare intended construction use with project specs to support 'other floating structures' status