Pipefitting Expert Witness Opines on Fatal Workplace Accident

ByJoseph O'Neill

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Updated onOctober 13, 2017

Pipefitting Expert Witness Opines on Fatal Workplace Accident

This case involves a man who died as a result of injuries suffered while working as an HVAC contractor on a commercial construction project. His company was hired to do HVAC work on the project. At the time of the accident, he was working near a pressurized steam pipe that had an exhaust valve located near the area where the Plaintiff was working. Part of his assignment included work that involved operating the exhaust valve. The exhaust pipe had a bend and, when he exhausted the pipe, the pressure released caused the to rotate pipe counter clockwise and hit him in the head. He suffered a severe brain injury and died shortly after.

Question(s) For Expert Witness

1. Are you familiar with proper piping installation?

2. Do you have experience working as a pipefitter?

Expert Witness Response E-029675

inline imageI am familiar with the responsibilities of pipe fitters. My practice designs piping systems, including water piping, steam and pneumatic air systems. Part of the issue is the thrust (and subsequent torque) induced by the exhausted steam which as great enough to rotate the pipe in question. Another question is how tightly was the pipe with the elbow fastened onto the rest of the piping system - depending on how well the evidence has been preserved, this question may be hard to answer. If the pipe was loosely installed, it would rotate easily. Professionally, I inspect the installation of piping systems as part of our normal scope of service, at the conclusion of the construction of a project. I I am a licensed professional (mechanical) engineer, with a Master's degree from MIT. As part of my study at MIT, I completed a graduate level fluid dynamics course. Based on the information above, fluid dynamics (the thrust and torque induced by the exhaust air stream) is a significant part of the investigation. The system should not have allowed such a violent expulsion of gas under any circumstances.

About the author

Joseph O'Neill

Joseph O'Neill

Joe has extensive experience in online journalism and technical writing across a range of legal topics, including personal injury, meidcal malpractice, mass torts, consumer litigation, commercial litigation, and more. Joe spent close to six years working at Expert Institute, finishing up his role here as Director of Marketing. He has considerable knowledge across an array of legal topics pertaining to expert witnesses. Currently, Joe servces as Owner and Demand Generation Consultant at LightSail Consulting.

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