Section 6 Potential surveys
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 8 Corrosion Control - Chapter 2 Cathodic Protection Systems - Section 6 Potential surveys

Section 6 Potential surveys

Parent topic: Chapter 2 Cathodic Protection Systems

6.1 General

6.1.1 Potential surveys of the external submerged zones are to be carried out at agreed intervals, see also Pt 1, Ch 3 Periodical Survey Regulations.

6.1.2 Should the results of any potential survey measured with respect to a Ag/AgCl reference cell indicate values more positive than –0,8 volt for aerobic conditions or –0,9 volt for anaerobic conditions then remedial action such as retrofit of sacrificial anode or adjustment and maintenance of ICCP system is to be carried out at the earliest opportunity.

Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.