Forensic Engineers and Consultants

Archive: Industrial

Testing As Part of Gas Appliance Incident Investigation

Equipment and appliances supplied with fuel gases like natural gas, propane and butane are a common and convenient part of most of our lives.  Such devices as gas grills and ranges, ovens, furnaces, space heaters and water heaters usually perform without incident.  However, when they malfunction the potential for incidents such as fires and explosions, carbon monoxide (CO) poisoning and burn injuries may occur. These incidents may be due to design and manufacturing defects in the product, or improper installation or operation of the device.

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Really thick book - Fig 2 (002)

How a Central Indian Town Changed the United States Code of Federal Regulations

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On December 3, 1984, at a pesticide ingredient manufacturing facility owned by Union Carbide, a leak occurred in the Methyl Isocyanate (MIC) plant. Due to the toxic nature of the gases released and the plant’s proximity to local residences, the death toll was in the thousands; both plant workers and nearby residents.  The first recorded public meeting in response to this incident was on December 9th, in Institute, WV, the site of Union Carbide’s only US MIC production unit.  Full disclosure: my father was a research & development chemist for Union Carbide and Institute is about 10 miles down the Kanawha River from my hometown of Charleston, WV. Read More

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Chemical Engineers: More than Glorified Plumbers – Really!

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As a senior at Virginia Tech, I was told that ChemE’s were little more than glorified plumbers.  Looking back, I’m pretty sure it was to keep our geek-egos in check. It was an effective tool! However, as I grew and traveled as a professional, it became an effective descriptor; applying to a larger scale and using a modifier or two for specific applications.  So, if you have a loss that falls into one of the categories below, a ChemE could be the expert you need. Read More

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Graphitic Corrosion – Difficult to determine before a failure!

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Graphitic corrosion is a process that may happen in equipment made of iron, particularly grey cast iron, but also ductile cast iron. Graphitic corrosion can lead to unexpected catastrophic failure of the affected part because the cast iron can lose its strength without a visible warning such as a change in size, shape, or appearance. Read More

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New 2017 Edition of NFPA 921 Guide for Fire and Explosion Investigations

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Over the course of its 25-year history, NFPA 921 Guide for Fire and Explosion Investigations has changed the practice of fire investigation for the better.  Without a doubt, NFPA 921 has appropriately driven a more rigorous approach to fire investigation that seeks to avoid cognitive bias and reliance on techniques that, when rigorously examined, are little more than pseudoscience.  One need look no further than the Cameron Todd Willingham matter, wherein a Texas man was executed in part based on a flawed fire investigation, to understand the importance of conducting a proper fire investigation. Read More

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Structural Evaluation After a Fire – Post-Fire Tips for an Insurance Adjuster, Part I

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This is a 3-Part series to help insurance adjusters during a claim inspection make a post-fire assessment of a building’s structural framing system.  From my numerous case history inspections involving damage to structural framing members after a fire, what appears obvious and straightforward is not always the case.  This article is a quick synopsis to help the adjuster be better prepared for a structural inspection and assessment while understanding what needs to be looked at, and if there are hidden factors to further investigate. Read More

Figure 2. A detail of the CAD model showing the area in which the firefighter was injured.

Firefighter burned due to improper industrial oven design and operation

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Industrial ovens and furnaces are used in many manufacturing processes.  One use of industrial ovens is for drying and curing coatings on fabrics.

I investigated a fire loss involving a very large oven, 10 stories high, used for curing coatings on an industrial fabric. A young firefighter was burned in response to this fire, one of a string of many fires that had occurred involving the oven.

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A view of two workers inside a recirculation paint spray booth, clothed in personal protective equipment as required by OSHA Standards.

The Down and Dirty on Paint Spray Booths Recirculation Systems

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Back when I first started in the safety field in the 70’s it was not uncommon to see spray painting operations where there was no exhaust system and in others paint vapors were exhausted straight into the environment. Needless to say this was not good for our environment and also wasted a lot of paint. Read More

[SLIDESHARE] Ovens and Furnaces

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Safety through design is a critical consideration in oven and furnace manufacturing. This slideshow takes a look at industry standards governing their design and identifies common safety oversights. Read More

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