Ontario Material 15 PDH Discount Package 2

This online engineering PDH course provides an introduction to cathodic protection inspection and testing techniques for galvanic and impressed current systems. It includes criteria and inspection actions that, when used either separately or in combination, will indicate whether adequate cathodic protection of a metallic piping system has been achieved.

The effectiveness of cathodic protection or other corrosion control measures can be affirmed by visual observation, measurements of pipe wall thickness, or by use of internal inspection devices. Because such methods sometimes are not practical, meeting any criterion or combination of criteria in this chapter is evidence that adequate cathodic protection has been achieved.  When excavations are made for any purpose, the pipe should be inspected for evidence of corrosion and/or coating condition.  Apply sound engineering practices to determine the methods and frequency of testing required to satisfy these criteria.

The criteria in this discussion have been developed through laboratory experiments and/or verified by evaluating data obtained from successfully operated cathodic protection systems.  Situations may exist where a single criterion for evaluating the effectiveness of cathodic protection may not be satisfactory for all conditions.  Often a combination of criteria is needed for a single structure.

This 5 PDH online course is intended for civil engineers, structural engineers, mechanical engineers, electrical engineers and other design and construction professionals seeking an introduction to the principles of inspection and testing of cathodic protection systems.

This online engineering PDH course will provide you with an introduction to the principles of cathodic protection for underground and underwater structures.  You will be introduced to the physics and chemistry of the corrosion process and how to mitigate the corrosion using cathodic protection techniques.

Understanding the principles of cathodic protection systems is based upon understanding the nature of the corrosion process.  The corrosion of metals is an electrochemical process.  That is, it is an electrical circuit where the exchange of electrons (electricity) is conducted by chemical reactions in part of the circuit.  These chemical reactions occur at the surface of the metal exposed to the electrolyte.

Cathodic protection is the prevention of corrosion by making a metal, which would ordinarily behave like an anode and corrode, behave like a cathode and be free from corrosive attack. Essentially, cathodic protection is predetermining the anode in the corrosion cell, or making a large corrosion cell to overcome the other smaller corrosion cells.

This 5 PDH online course is intended for civil engineers, structural engineers, mechanical engineers and other design and construction professionals seeking an introduction to the principles of cathodic protection.

This online engineering PDH course describes surface preparation standards, common methods of surface preparation, and abrasive type and selection methods.

Surface preparation is the key factor in determining the success of a protective coating system. The equipment and techniques that can be used to achieve the desired surface cleanliness and roughness (profile) vary considerably. Traditional methods of surface preparation are now accompanied by new, innovative methods that have evolved mainly because of the issues surrounding the safe removal of lead-containing coatings from industrial structures. The ultimate objective of surface preparation is to create proper adhesion of a coating over an underlying substrate.

This 2 PDH online course is applicable to engineers, design and construction personnel, and other technical professionals who are interested in gaining a better understanding of surface preparation prior to coating applications.

This online engineering PDH course presents the technologies, techniques, advantages and limitations, equipment, typical coating types involved, and safety considerations for each type of application method.

The choice of an application method depends on the type of coating to be applied, the type and size of surface to be coated, and governing environmental regulations. There are various methods of coating application, including brush application, roller application, conventional spray, high volume-low pressure spray, airless spray, plural component spray, and electrostatic spray.

Approximately 85 percent of all premature coating failures are a result of poor surface preparation, inadequate mixing, thinning, and/or poor coating application. Onsite quality control inspection during surface preparation and coating application procedures can help prevent failures of these types. Proper inspection techniques must be combined with knowledgeable instrument use, good common sense, and thorough documentation of work activities and inspection checkpoints to help ensure specification compliance. The amount of inspection and the specific inspection checkpoints will vary with the type and size of the coating project. This course presents eleven quality control inspection procedures as follows:

• Pre-surface preparation inspection
• Ambient conditions
• Compressed air cleanliness
• Surface profile
• Surface cleanliness
• Paint storage, mixing, and thinning procedures
• Application techniques
• Wet and dry coating thickness
• Pinhole detection
• Adhesion
• Cure

This 3 PDH online course is applicable to engineers, design and construction personnel, and other technical professionals who are interested in gaining a better understanding of coating application and inspection.