An inspection of the cathodic protection system is performed by our firm within six months of the Annual survey performance. We ensure that the cathodic protection system are operating within design parameters; make adjustments if required; and we verify that upgrades presented in past correspondence that required attention have been addressed.

- The external cathodic protection system maintenance inspection procedure described below is scheduled according to client requirements.

- Rectifiers, ground-beds, test stations, current control devices inspected and adjusted on a regular basis

- Structure-to-soil potential data (voltage) is obtained, as an indicator of protection, for selected structures. (Sampling)

- A maintenance report is prepared and presented to the client