Marine Cofferdam from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit engineering plans proving watertight floating enclosure design
• USACE permits often needed; prepare environmental impact docs early