RetroBuoy™
Impressed current cathodic protection system for large structures

The RetroBuoy RB-4 is the newest model of RetroBuoy, rapidly becoming the standard model for almost all applications.

RetroBuoy shown on the bottom, before the floats have been deployed. (Neptune SPAR project).

ROV shown aiding in the RetroBuoy installation.

Oil-filled junction box, allowing the sled to perform at depth.

Reflective markings were used to determine soil depth penetration.

RetroBuoy in the foreground; Neptune SPAR in the background.

Cable for two RetroBuoys being over boarded simultaneously, as part of a large platform retrofit.

RetroBuoy Jr. shown in situ protecting a jetty structure in shallow water.

RetroBuoy Jr. shown with the SeaMat gravity base.

RetroBuoy shown subsea with the floats fully deployed.

This RetroBuoy is shown atop the cable hopper; the cable is over-boarded first and then the sled is lowered to the seabed by crane.

Two typical 400-450 Amp marine transformer rectifiers, providing power from the surface for the ICCP MMO anodes on the floats.

A RetroBuoy about to be loaded onto the installation vessel.

Cable being coiled previous to deployment.

Yellow bend restrictors can be seen feeding into the main sled.

RetroBuoy being lifted overboard by the ship's A-frame.

J-tube being used to pull the power cable from the Buoy to transformer rectifier on the surface.

RetroBuoy Jr. uses one of two types of gravity base, depending on the bottom conditions. They can be assembled in the field.

RetroBuoy Jr. Shown in situ protecting a dock.