Offshore Cofferdams from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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