Lamers System Care has carried out several installations on the vessels of Rijkswaterstaat. The patrol vessels of Rijkswaterstaat are active in the province of Zeeland, where the water is very sensitive to fouling. The ships have an extensive cooling system that consists of algae, mussels and other organisms. This led to malfunctions and unnecessary maintenance. Since the installation of the Ultrasonic Anti-Fouling system, the seawater pipes are well protected and kept free from fouling. After the successful results of the first installation on the RWS 78, it was decided to install 4 other vessels with the Ultrasonic Anti-Fouling system.