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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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