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Accelerated Low Water Corrosion (ALWC) - Mechanisms, Mitigation and Prevention

Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List | Why WebCorr

 Course Overview


Accelerated low water corrosion (ALWC) is a severe form of localized corrosion attack on marine structures leading to premature perforation of steel pilings at the low water level. ALWC is a worldwide problem that results in extensive and costly repairs and maintenance works. This one-day corrosion course aims to provide the participants with a thorough understanding of the causes of accelerated low water corrosion, its recognition, treatment, mitigation, testing and monitoring, and prevention. Upon completion of this corrosion short course the participants will be able to recognize the characteristic pattern of ALWC and  apply appropriate strategies and methods for the treatment and repair of steel pilings affected by accelerated low water corrosion. A guideline for the prevention of accelerated low water corrosion is also included in the course material.


This corrosion short course is available for in-house training, online and distance learning worldwide. It can also be customized to meet the specific needs of your organization.



Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List

 Course Outline

1. Introduction to Accelerated Low Water Corrosion (ALWC)


2. Mechanisms of Accelerated Low Water Corrosion (ALWC) 
     2.1 The Corrosivity of Seawater

     2.2 Factors Influencing Corrosion

     2.3 Corrosion Zones in Marine Environment

     2.4 Bacteria Known to Cause Accelerated Low Water Corrosion   

            2.4.1 Sulfate Reducing Bacteria (SRB)
            2.4.2 Sulphur-Oxidizing Bacteria (SOB)
            2.4.3 Iron Oxidizing Bacteria (IOB)


3. The Damaging Effects of ALWC on Maritime Structures

    3.1 Accelerated Low Water Corrosion of Steel Sheet Piles

    3.2 Accelerated Low Water Corrosion of Steel Tube Piles

    3.3 Accelerated Low Water Corrosion of Rolled Sections

    3.4 Accelerated Low Water Corrosion of Combi-Wall Construction

    3.5 Accelerated Low Water Corrosion on Rear Faces of Piles

    3.6 Accelerated Low Water Corrosion of Pontoons and Floating Structures


4. Treatment, Repair and Prevention of Accelerated Low Water Corrosion

    4.1 Repair Techniques for Structures Affected by ALWC

           4.1.1 Repair of Sheet Piles

           4.1.2 Repair of Tubular Piles

           4.1.3 Comparison of Underwater and Dry Repair Methods

   4.2 Electrochemical Treatment of Structures Affected by ALWC

   4.3 Prevention of Accelerated Low Water Corrosion

         4.3.1 Cathodic Protection

         4.3.2 Protective Coatings

         4.3.3 Coating in Combination with Cathodic Protection

         4.3.4 Concrete Jacketing/Encasement

   4.4 Design Against Accelerated Low Water Corrosion


5. Maintenance, Inspection and Monitoring of Accelerated Low Water Corrosion

6. Case Studies


Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List

Who Should Attend


Designer, engineers and inspectors in the marine and shipping industry, marine facility owners and operators, and anyone interested in accelerated low water corrosion (ALWC) of steel pilings, accelerated damage to ships and barges.


 Registration for This  Corrosion Course
  • Click here to register for this corrosion course online, or

  • Click here to download this corrosion course brochure with registration form in PDF format.

 In-House Training Corrosion Courses


If you are concerned with corrosion in your business, in-house training is a great solution to train a group of employees from design, production, operation, quality assurance, inspection and maintenance, and technical sales and support on corrosion control and corrosion prevention technology. The contents of all corrosion courses can be customized to fit your organization's needs.


There is no minimum or maximum number of participants required for in-house training corrosion courses. We conduct the in-house training corrosion course at your company's premises and at a time convenient to your company. Requests for in-house training corrosion courses from overseas countries are also welcome.


Click here to contact us for a quotation.


 Corrosion Course-On-Demand


All our publicly scheduled corrosion short courses are conducted once a year. However, you do not need to wait for one year if you have missed any of the publicly scheduled corrosion courses as we have this unique corrosion course-on-demand scheme: we will conduct the course just for you on an one-on-one basis at a time and in a location convenient to you. This option costs significantly less than a full-scale in-house training program.


Click here to contact us for a quotation for taking this course as course-on-demand.


 Online and Distance Learning Corrosion Courses

All corrosion courses can be conducted through online or distance learning. An username and password will be emailed to course participants for accessing the online course materials. Alternatively, a CD-ROM containing the same online course material or a master hard copy of corrosion course notes can be sent to your organization. Instructions, course assignments, discussions and questions related to the corrosion courses are posted on the website. Free email support for online courses is provided for a period up to 12 months. A Certificate of Completion will be issued to participants who pass the online test with a score of 70% and above.

Click here to register this corrosion short course for online or distance learning.

 PowerPoint Slides and Test Banks for Trainers, Instructors, Tutors, University Lecturers and Professors


If you are involved in teaching or training, you may wish to purchase a complete set of the trainer's package for this training course. The trainer's package comes complete with ready-to-use PowerPoint slides (fully editable) and test bank (with answer keys). These ready-to-use PowerPoint slides contain high quality color photographs, illustrations, animations, audio and video clips. The test bank contains questions conveniently grouped into four categories: (1) true or false, (2) multiple choice, (3) calculation, and (4) reasoning and open-ended discussions. The trainer's package is suitable for in-house training and university teaching. This is exactly the same package that WebCorr uses to deliver our current training course.

The one-time lump sum fee allows your organization to use the training package and also modify it. For example, your organization may modify the course contents and re-name/re-brand the course under your organizationís name. WebCorr only retains the copyright of the original PowerPoint slides and test banks.


Click here to contact us if you need more information on the trainer's package.

Course Outline |Who Should Attend |Registration |In-House |On-Demand |Online Courses |PPT Slides+Testbank |Course List

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