Marine Cofferdam from Japan

A temporary floating enclosure used to create dry work areas underwater for construction like bridge piers. HTS 8907.90.00.90 covers it as other floating structures, specifically 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

• Submit engineering plans proving watertight floating enclosure design

• USACE permits often needed; prepare environmental impact docs early