Appalachian Underground Corrosion Short Course
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SYSTEM DIAGNOSTICS

The System Diagnostic courses provide indoor clinics and overviews of new corrosion processes. Courses include trouble shooting rectifiers, overviews of ACVG and DCVG techniques, corrosion protection for Managers, and much more.

Systems Diagnostics Sub-Chairman: John Block

 

Class Descriptions

TROUBLESHOOTING CATHODIC PROTECTION RECTIFIERS

A practical approach to safely identify and correct common rectifier malfunctions. Student participation is strongly encouraged.


CORROSION AND FAILURE ANALYSIS ELECTRIC TOWER AND GRIDS

Corrosion is not limited to buried pipelines. This class offers an overview of the aging electric infrastructure and the application of corrosion field testing methods.


UNDERSTANDING THE REFERENCE CELL

Regardless of selected protection criteria, CP measurements depend on accurate and reliable reference electrodes. This discussion covers construction, maintenance, reliability, and accuracy of various reference electrodes.


CP TEST STATIONS – THE GOOD, THE BAD, THE UGLY

The utilization of potential and current flow measurements to identify CP test leads and associated buried structures.


ELECTRICAL ISOLATION DEVICES

The design of a CP system requires isolation and protection of manageable lengths of pipe. This class discusses the various types and expected performance of pipeline isolation devices.


TROUBLESHOOTING DISTRIBUTION SYSTEMS

A discussion on the intricacies and challenges of a gas distribution system. The instructor will present various field testing techniques for locating and remediating failed CP systems.


CASED PIPE ASSESSMENT PHMSA UPDATES

A PHMSA representative will discuss recent policy updates regarding carrier pipe in casings.


GUIDED WAVE TECHNOLOGY FOR SHORTED CASINGS

A discussion on advances in guided wave analysis technology. Case studies included.


PRACTICAL APPROACH TO USE AND STORAGE OF EQUIPMENT AND MATERIAL

Understanding and applying corrosion theory to buried steel structures is part of the pipeline integrity equation. This class deals with selection, proper usage and storage of the wide variety of available cathodic protection products and materials, which are also an important component in pipleline integrity design.


ADVANCED RECTIFIER WORKSHOP

This is a limited (25 students) hands-on workshop with strong emphasis on safety. Students will work with live rectifiers and instructed on systematic/logical approaches to diagnostic repair on a variety of rectifier components. Students must bring a handheld volt-meter to class. Early sign-up is strongly encouraged.


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