A Bristle Blaster® Subsea supplied by MontiPower Japan was adopted for repairs about three metres below the surface at an offshore wind farm in Taiwan, where floating debris had damaged the coating on a tower and corrosion had started. The operator chose it for its quiet operation, the absence of exhaust-air bubbles and its ability to remove coating and rust underwater.
Offshore wind towers are hit by more than waves. In the splash and shallow underwater zone, floating debris strikes the structure, chips the coating and exposes the steel. Left alone, each impact point becomes a corrosion site in the most aggressive zone of the structure.
| Location | Offshore wind farm, Taiwan |
| Damage | Coating damage and corrosion caused by floating debris striking the tower |
| Depth | About 3 m below the water surface |
| Tool | Bristle Blaster® Subsea, supplied by MontiPower Japan |
| Pump | Sourced locally in Taiwan |
Trial first, then adoption
MontiPower Japan shipped a Bristle Blaster® Subsea to Taiwan for trials. The high-pressure water pump that drives the tool was sourced locally, which kept logistics simple: only the tool and its hose had to travel. After testing on the structure, the customer adopted the system for its underwater repairs.
What made the difference
- No exhaust-air bubbles. The tool is driven by water, not air, so it does not release a curtain of bubbles that hides the work face.
- Quiet operation underwater.
- Coating and rust removal underwater, preparing the damaged area for repair coating.
For how the water-driven system works and the first field test in Japan, see Water-driven underwater surface preparation in Japan.
Why it matters
An impact mark repaired now is a corrosion pit that never forms: prevention rather than cure on the structures that carry the energy transition. A water-driven tool with no grit keeps abrasive out of the sea (Planet), gives the diver a clearer, quieter work face (People), and keeps offshore wind assets producing clean power for their full design life (Power). That this one travelled from Japan to Taiwan, with the pump sourced on the spot, shows how the network shares solutions across the region.
Underwater damage on a foundation or tower? Ask about the Bristle Blaster® Subsea for your structure.
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