• May 11, 2021
    8:00 am - 12:00 pm
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DNV will present, Determining the Feasibility of Pipeline Transportation of Hydrogen and Hydrogen Gas Blended with Natural Gas as a webinar on May 11, 2021.
Registration closes at noon CDT 5/10.
This training has the minimum required to hold the class. Further information to be provided upon registration.

This is part one of a two-part series on the Journey to Transporting Hydrogen and Hydrogen Gas Blended with Natural Gas.

Part 2 – Deep Dive Into the Operations and Maintenance of Pipelines Transporting Hydrogen and Hydrogen Blended with Natural Gas is a two-hour webinar scheduled on May 18, 2021

In recent years, the social and political landscapes have shifted the public’s focus toward an energy transition to cleaner fuels.  A key component for energy reliability is the use of hydrogen as a fuel; either in pure form or blended with natural gas.  New pipelines and North America’s existing pipeline infrastructure are a common-sense solution for transporting hydrogen gas and hydrogen blended gas from the location of manufacture to end users.  This 4-hour session will step through the journey to determining the feasibility for using a specific pipeline considering specific operational parameters.

The training will provide engineers with a basic understanding of the differences between transporting natural gas versus blended natural gas.  It will also provide a methodical approach to determining the feasibility of transporting hydrogen gas or blended hydrogen gas through new and existing pipeline networks.

 Who Should Attend:

  • Pipeline engineers
  • Consulting engineers
  • Any other technical individual potentially responsible for determining the feasibility of hydrogen gas transportation through pipelines.

 Course Outline

  • Hydrogen introduction (behavior and production)
  • Understanding state and federal regulations and the role of a safety management system
  • High-level overview of material compatibility for steel, nonmetallics and polymers, and other steel alloys
  • Design considerations; the significant differences between ASME B31.12 and B31.8
    • Prescriptive and performance-based options for determining MAOP
    • Welding and related hardness requirements
    • Pipe and fitting selection
    • Plant piping vs transmission piping
  • An overview of the potential impacts on pipeline threats, consequences and defect assessment (e.g. impacts on fatigue crack growth rates and fracture toughness)
  • Steps required to reach the trial stage of transporting hydrogen
  • Successful industry projects


4 PDHS available with Certificate of Completion
Learning materials sent electronically


This presentation received a 4.7-star rating out of 5!
“All instructors showed an excellent mastery of their topics.”
“Great presentation  by all presenters.”
“The instructors were all very knowledgeable and explained things in a way that was easy to understand.”
“Presentations were all great.”
“I think they covered everything I was hoping for, I just wanted more and more information.”
“Great presentation!”
“I really liked having the panel of different instructors and smaller presentations for each. I was easier to follow along and keep my attention span up the way it was broken up.”
“I think the team did a really good job…”
“The presenters did a great job and  really enjoyed each of the presentations!”
“Instructors were very well prepared, knowledgeable, and informative.”
“Very impressed by the presentation!”
“The instructors appeared very knowledgeable and the content answered many of the questions I had coming into the webinar.”
“They were great. Good technical information and expertise.”
“All instructors spoke clearly and passionately (i.e. they weren’t boring/monotone).”

Instructor Bios

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 joinging 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 GL 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 GL 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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