• May 18, 2021
    8:00 am - 10:00 am
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DNV will present, A Deep Dive Into the Operations and Maintenance of Pipelines Transporting Hydrogen and Hydrogen Blended with Natural Gas on May 18, 2021
This training has the minimum required to hold the class. Further information to be provided upon registration.

This is part 2 in a two-part series on the Journey to Transporting Hydrogen and Hydrogen Gas Blended with Natural Gas.  Part 1, Determining the Feasibility of Pipeline Transportation of Hydrogen and Hydrogen Gas Blended with Natural Gas is scheduled for May 11, 2021.

DNV will present an in-depth webinar on the impacts of transporting hydrogen and hydrogen gas blended with natural gas on maintenance and integrity of transmission and distribution pipeline systems.

Generally, it is understood that the transportation of hydrogen in carbon steel has an impact on fatigue crack growth rates as well as fracture toughness of the steel.  This 2-hour webinar will present publicly available research data for hydrogen impacts on material compatibility as well as anticipated impacts on pipeline threats and potential mitigative strategies.  Additionally, the course will cover the potential impacts of hydrogen on repair types and in-service welding.

The training will provide engineers with a more in-depth understanding of the material and integrity implications of transporting hydrogen in new and existing pipeline systems.

 Course Outline

  • A review of typical pipe materials within distribution and transmission pipeline systems and the anticipated compatibility with hydrogen
  • A walk through of the pipeline threats and the potential impact associated with transporting hydrogen and the increase in potential interactions


2 PDHs available with Certificate of Completion
Learning materials sent electronically

“Great instructors.”
“Thorough explanation and overview of currently available information.”
“I really liked the integrity portion of the training.”
“Great topic – Keep pulling us along and into the future.”
“Very good training.”


Tara Podnar McMahan –  Principal Engineer- Integrity Solutions Group, DNV
Jason Goodhand, Global Energy Storage Leader, DNV
Ashwin Chandra –  Senior Engineer, DNV
Bill Amend – Principal Engineer, Pipeline Integrity, Metallurgical Engineering, Materials Selection, Welding Engineer, DNV

Ms. Tara Podnar McMahan is a principal engineer within the DNV’s pipeline integrity solutions group based in office in Columbus, Ohio. Ms. McMahan joined DNV in 2005 after obtaining her Bachelor’s of Science degree from the Ohio State University in Material Science & Engineering.  Since joining DNV, Ms. McMahan has worked and led in most areas of integrity management including seam weld management, cracking susceptibility programs, assessment and reassessment strategies, pipeline repairs, program development and enhancement, incident response, corrosion growth, and advanced data integration, and risk.  Ms. McMahan is passionate about pipeline integrity and positioning the pipeline industry to take a lead role in a reduced carbon intensive future.

Jason Goodhand joined DNV in 2019 as the global business leader for energy storage. Jason has pursued a career focused on new energy technologies. With over 15 years of experience in the cleantech energy sector, Jason has developed and managed businesses and projects involving grid-scale renewable energy, hydrogen fuel cells, and energy storage in Canada and the United States. Jason’s role at DNV comes after 10 years with international energy giant ENGIE in various roles and locations, most recently its North American Storage group. Jason holds a Master of Business Administration degree from the Richard Ivey School of Business and a Mechanical Engineering degree from the University of Western Ontario

Mr. Ashwini Chandra is a senior engineer within DNV’s research laboratory based in Columbus, Ohio.  He joined DNV after his tenure at The Ohio State University as a graduate research associate.  While at DNV, Mr. Chandra’s responsibilities has led to the development of expertise in electrochemical and characterization techniques with focus on materials and corrosion related challenges in the oil and gas industry. The projects have included work on adsorption behavior of corrosion inhibitors, galvanic corrosion, carbon dioxide corrosion, coating evaluation, hydrogen embrittlement, stress corrosion cracking susceptibility and AC corrosion susceptibility of materials.  More recently, Mr. Chandra has managed a Joint Industry Project with 7 industrial partners from Oil and Gas Majors and equipment manufacturers, executed several projects related to materials qualification for offshore oil and gas development projects and is currently pursuing study on the effect of hydrogen-methane blends on fatigue properties of line pipe steels.

Bill Amend has 41 years of experience performing pipeline integrity management, failure analysis, metallurgical engineering, and welding engineering services. His background includes 26 years working for pipeline operators (Unocal and Southern California Gas Co.)  before working for engineering services providers. He is currently Senior Engineer at DNV GL. He is a co-author of the ASME report CRTD Vol. 91 regarding field measurement of hardness to determine the lower bound yield strength of pipe and has managed and conducted various research projects for ASME, DNV GL, NYSEARCH and PRCI addressing the continued development and validation of methods for nondestructive determination of pipe properties, chemical analysis of steel, tensile testing, and characteristics of early vintage pipeline girth welds.  He is a registered professional Metallurgical Engineer in California and graduated from California Polytechnic State University in San Luis Obispo (Cal Poly SLO).

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