What is Cathodic Protection Design for Steel in Concrete?

Mastering the critical engineering principles of cathodic protection design eliminates guesswork and allows asset managers to confidently extend the service life of ageing reinforced concrete structures. Balancing compliance with strict international standard requirements like BS EN 1504 and BS EN ISO 12696 often leaves engineering teams wondering if a structure is salvageable or a complete write-off.

This master-level engineering course walks you step-by-step through the vital pre-design investigation framework required before reinforcement corrosion protection and concrete repair systems are applied.

Rather than teaching manual field testing, this curriculum defines the exact data parameters required for assessment and teaches you how to map out a comprehensive Design Risk Register.

What are the Three Critical Stages of a Pre-Design Concrete Investigation?

To justify a concrete repair principle, engineers must follow a multi-disciplined framework divided into three distinct investigation objectives:

  • Stage 1: Scoping Initial Feasibility – Determine if the concrete structure is salvageable or requires complete removal and replacement, establishing key protection objectives.

  • Stage 2: Assessing Structural Capacity – Evaluate the core load-bearing capability of the reinforced concrete asset in its current, deteriorated state.

  • Stage 3: Identifying Causes of Deterioration – Pinpoint the exact root triggers of material decay, evaluating chloride contamination, half-cell potential, and carbonation depth.

When Do Cathodic Protection Designers Need Multi-Disciplined Specialists?

Concrete rehabilitation is intensely multi-disciplined, meaning critical elements of the repair process fall completely outside standard cathodic protection expertise.

This framework teaches you exactly when you must require specialised input from external structural engineers and concrete repair specialists to manage health and safety risks, structural loading, and concrete reinstatement compatibility.

By mastering these field-tested processes, you will effectively manage design risks, justify your choices under BS EN 1504 Principle 10 (Cathodic Protection), and save critical project time and budgets.

Course Structure and Content

This element of the course has been extracted from the complete Fundamentals of Design for Cathodic Protection of Steel in Concrete Structures course as follows:

  • 1

    Module I - Welcome and Course Overview

    • Module I - Welcome and Course Overview - Video

    • Purchasing Cathodic Protection Standards - Video

  • 2

    Module D1 - Pre-Design Investigation

    • Module D1 - Pre-Design Investigation - Overview

    • Module D1 - Pre-Design Investigation - Video

    • Module D1 - Pre-Design Investigation - Slides

    • Module D1 - Pre-Design Investigation - Quiz

Module D1 - Learning Outcomes

At the end of this module, you will have developed an understanding of the:

  • Standards for selecting cathodic protection of steel in concrete repair - BS EN 1504.
  • BS EN 1504 key stages of selecting the concrete repair for deteriorated reinforced concrete structures.
  • BS EN ISO 12696 structure, assessment and repair requirements for cathodic protection.
  • When is an investigation needed?
  • Stage 1 - investigation objectives and repair feasibility assessment.
  • Stage 2 - investigation objectives - structural capacity in the deteriorated state. 
  • Stage 3 - investigation objectives - cause of deterioration.
  • BS EN 1504 - Basis for the choice of products and systems.
  • The decision to use BS EN 1504 repair principle 10 – cathodic protection.  
  • Investigation requirements when cathodic protection has been selected as the repair principle.
  • BS EN ISO 12696 requirements of concrete repairs for cathodic protection.
  • Cathodic protection design responsibility and risk.


Module Quiz

At the end of this module, there is a quiz consisting of 15 questions that are aimed at reinforcing the learning and knowledge you have gained from attending this module. 

Module D1 - Pre-Design Investigation

Module D1 is the first of nine modules which form the complete Fundamentals of Design for Cathodic Protection of Steel in Concrete Structures course.

Continue with your Learning and Personal Development

Module D1 is the first of nine modules which form the complete Fundamentals of Design for Cathodic Protection of Steel in Concrete Structures course.

Completion of all modules of the full Fundamentals of Design for Cathodic Protection of Steel in Concrete Structures course provides you with a Continued Professional Development (CPD) completion certificate worth 50 hours.

I encourage you to continue with your learning and personal development to help identify that corrosion management can be used as an effective tool to support sustainable and low-carbon development now and in the future.