November 29, 2023: External Corrosion Direct Assessment (ECDA)

  • Author: Joe Pikas
  • Level: Advanced
  • Study time: 8 hours
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Course overview
What is external corrosion direct assessment? What type of direct assessment is used to confirm the acceptable integrity of a pipeline?

External Corrosion Direct Assessment (ECDA) is an industry-accepted practice for the determination of the integrity of pipelines.  This one-day training will present the four-step ECDA process for ascertaining the integrity of pipelines.  This webinar covers ECDA, Asset Integrity Management, Where to Dig, and concludes with Determining Areas of Concern.

END TIME: 4:00 P.M.

PDH Certificate included upon successful completion

  • Course Outline

    Asset Integrity Management ECDA
    • Identify 22 Pipeline Threats
    • Identify & Collect (data for Integration)
    • Integrity Management Plan (IMP)
    • Facility Base Line Integrity Plan (FBLP)
    • Evaluate Risks
    • Integrity Assessment - Direct Assessment, Hydro-test and Other Technologies
    • Continuing Assessment of Integrity Effectiveness
    Pre & Post Assessment for Gas & Liquid Pipelines
    • DA Processes
    • Pre-Assessment
    • Feasibility (Can Indirect Tools Assess Threats?)
    • Table 2 - Tool Selection
    • Regions/Segments
    • Post Assessment
    • Reassessment Intervals
    • Corrosion Rates
    • Feedback
    Choosing the Proper ECDA Tool
    • Type of Tools
    • ECDA Selection Tool Matrix
    • Survey Tools
    • CIS
    • DCVG & ACVG
    • PCM & C-Scan
    • Guided Wave
    • Soil Resistivity
    • Overview of Tool Selection and Results
    Close Interval Survey for Direct Assessment
    • Applicability - Dry/wet Soils, River/Water/Swamp x-ings, Concrete, asphalt, General R/W
    • Consideration of Voltage Drops
    • Test leads, electrolyte, cells, coating, etc.
    • Identification of Macro Coating Holidays, Interference, Shorted Casings, Contacts, Isolation, etc.
    • Types of Surveys and Equipment Required
    Where To Dig
    • Conduct Threat Assessment and Indirect Surveys
    • Align and Compare Results
    • Identify, Classify and Prioritize Indications
    • Analyze and Report Results
    Determining Areas of Concern
    • Identify PL Treats (areas of Concern)
    • Identify & Collect Data for Integration
    • Integrity Management Plan (IMP)
    • Mitigation Strategies
    • Continuing Assessment of IMP Effectiveness

Joe Pikas

AMPP Corrosion Specialist & PL SME
Joe Pikas is a subject matter expert for Technical Toolboxes with more than 50 years of experience in pipeline construction, operations, corrosion control design, and implementation, including pipeline engineering management. He is an expert in pipeline integrity management, risk management, coating materials selection, cathodic protection design, and testing, and internal and external pipeline corrosion control. In 2009, he was awarded the NACE Distinguished Service Award and received an industry award in 2002 from AGA, GTI, INGAA, NACE, OPS, and PRCI International. Also, he has contributed over 50 papers to industry trade magazines, NACE, SSPC, and other publications and conferences.