How to achieve an economic and reliable CP design using DnV RP B401

The 1993 Revision of Det Norske Veritas Industri Norge AS`s Recommended Practice RP B401 Cathodic Protection Design offers the operator the opportunity to use his own experience and data to justify more or less conservative designs. Examples of the use of this option to achieve an economic Southern North Sea CP design are presented. These examples include cost comparisons of actual bids received for CP/coating systems using different coating types. Some comparisons with NACE`s RP-0176-94 Corrosion. Control of Steel Fixed Offshore Platforms Associated with Petroleum Production are also made.