Offshore Cofferdams from United States
Temporary watertight enclosures that float and create dry work areas for underwater construction like bridge piers. These are classified under tariff item 8907.90.90 as other floating structures, with cofferdams explicitly listed in the heading.
Duty Rate — United States → Canada
15.5%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Confirm the cofferdams are not self-propelled
• Provide construction usage documentation to CBSA
• Ensure compliance with Canadian marine construction regulations