Offshore Cofferdams
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 15.5% | — | 15.5% |
| 🇲🇽Mexico | 15.5% | — | 15.5% |
| 🇺🇸United States | 15.5% | — | 15.5% |
| 🇩🇪Germany | 15.5% | — | 15.5% |
| 🇯🇵Japan | 15.5% | — | 15.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the cofferdams are used for permanent installation
Permanent cofferdams may be classified as other floating structures.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the cofferdams are not self-propelled
• Provide construction usage documentation to CBSA
• Ensure compliance with Canadian marine construction regulations
Related Products under Tariff item 8907.90.90
Aquaculture Fish Farming Cages
Large netted floating enclosures used in open-water fish farming operations. These structures float on the water surface and are classified as other floating structures under tariff item 8907.90.90, as they are not vessels or other specific floating structures.
Emergency Response Rafts
Heavy-duty inflatable rafts designed for disaster relief operations in flood zones. These rafts are floating structures used for emergency response and are classified under tariff item 8907.90.90 as other floating structures, not as vessels.
Floating Barriers for Oil Spills
Floating boom systems designed to contain oil spills on water surfaces. These are floating structures used for environmental protection and are classified under tariff item 8907.90.90 as other floating structures.
Floating Exhibition Stages
Pontoon stages designed for water-based events and performances. These floating platforms are classified under tariff item 8907.90.90 as other floating structures, similar to rafts or landing stages.
Floating Landing Stages
Pontoon-based platforms serving as temporary docks or piers for loading and unloading at harbors. These are explicitly listed as landing-stages in the heading and are classified under tariff item 8907.90.90 as other floating structures.
Floating Solar Panel Arrays
Buoyant platforms designed to mount photovoltaic panels for water-based solar power generation. These are floating structures used for renewable energy and are classified under tariff item 8907.90.90 as other floating structures.