Forensic Engineers and Consultants

Archive: Fires & Explosions

HEY…Cover Up Please!

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Machine guards can be compared to the clothes we wear every day.  Indeed, they serve a very important purpose.  Imagine someone leaving their home on a fine, sunny morning wearing nothing but a smile.  Wonder how far they will get through the day before things start going poorly for this individual?

 

 

 

 

 

There will be more than a few raised eyebrows and blushes when he stops into the local Starbucks for his usual morning double-dipped and whipped, chocolaty chip with a touch of pumpkin spice cappuccino fix.  Good luck with that!  Probably going to leave disappointed, empty-handed, and likely wearing handcuffs.  This will be the beginning of a very long, very bad day for that individual.  Had he recognized the risks associated with this type of behavior, and then put forth a little effort to cover up, he would have prevented many unfavorable and possibly life-changing personal and legal problems from ever occurring!

And so it is with properly guarding a machine.  Machine safeguarding helps to protect workers from preventable injuries. Read More

One Small Step…

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Ladders…not a particularly exciting topic I’ll admit.  But hey, we need ladders to help us accomplish all kinds of tasks.  Most people have used at least one of the many types of ladders that are available today.  And the odds are probably pretty good that many of those users strayed outside the limits of safety a time or two while on a ladder.  It is amazing the risks some people will take to save some time or avoid the inconvenience of getting down to move the ladder into a safer position.  I wonder how many of those risks would be taken on a ladder if the users knew they were on camera.

Think about astronaut Neil Armstrong.  He travelled by rocket almost 239,000 miles through space and Read More

When a Fire Sprinkler System Fails to Deliver

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After a major fire, it is necessary to investigate the fire sprinkler system to see if and why it malfunctioned. Wet sprinkler systems are the most common and least complex fire sprinkler systems in use. The following are major items addressed in an investigation involving a wet system.

If available, drawings of the supply piping and sprinkler system are helpful. If these are not available, a sketch of the system will be made. Requests will also be made for inspection, testing, and maintenance documentation as well as fire alarm logs.

The top reason that fire sprinkler systems do not function correctly during a fire is Read More

WARREN Welcomes Mechanical Engineer Bob Hickman, P.E.

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Please join us in welcoming Mechanical Engineer Bob Hickman, P.E., to the WARREN family! Bob has over 30 years of manufacturing and machine design experience in production and quality-driven environments. Bob holds a Bachelor of Science in Mechanical Engineering from Clemson University.

Bob’s Areas of Expertise Include:
-Machine Safeguarding
-Machine Design
-Equipment Failure
-Mechanical Engineering
-Industrial Accident Investigation
-Codes & Standards
-Machinery & Equipment Damage Assessment
-Products Liability Read More

The Concepts of Hazard, Risk, and Harm in Machine Safeguarding

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Hazard, risk, and harm are terms that are used in the world of machine safeguarding.   How do these words shape the concept of machine safeguarding? Let’s look a little deeper….

Hazard, which Merriam-Webster defines as a noun, lists its first meaning as a source of danger.

1: a source of danger

2a: the effect of unpredictable and unanalyzable forces in determining events : CHANCE, RISK

  b:  a chance event : ACCIDENT  Read More

Warren Welcomes Fire Protection Engineer Amy Anderson, P.E.

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Please join us in welcoming Fire Protection Engineer Amy Anderson, P.E., to the WARREN family! Amy has over 20 years of property loss prevention engineering and experience, specializing in fire protection. Amy graduated from Clemson University with a degree in Chemical Engineering and is a licensed Professional Engineer in Fire Protection.

Amy’s Expertise Includes: Read More

Heating System Losses: Part Two

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Previously, Warren posted the first installment of a series on losses associated with heating systems.  The first article looked at central forced air furnaces.  This new article will look at a common form of supplemental or secondary heat, oil filled electric radiant heaters. These heaters are commonly used to provide extra heating in areas that are lacking in central heating capacity. Another rationale for their use arises from manufacturer’s claims that the portable heating units can lower your power bill.  This is based on Read More

How Long Before the Pipes Freeze?

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An unexpected severe winter freeze will remind many people and businesses that when water in a pipe freezes, the ice will expand and burst the pipe or pipe fitting.  Large losses will result from flooding when the temperatures rise.  Insulation will help, but not prevent freezing.  Insulation simply slows down the rate of heat loss.  The time of exposure to subfreezing temperature is an important factor.

The American Society of Refrigeration and Air Conditioning Engineers (ASHRAE) Handbook of Fundamentals has a short entry on the topic (Chapter 23, page 23.5-6), which gives an equation for estimating the time that it will take an insulated pipe to freeze, Read More

Taking a Practical Approach to Vehicle Fires

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“On average, U.S. fire departments responded to a highway vehicle fire every 182 seconds,” according to the NFPA’s Fire Loss Facts Sheet.

The National Fire Protection Association (NFPA) says that vehicle fires account for about 20 percent of all reported fires. Before I attempt to examine a vehicle fire loss, I like to check various consumer and government agencies websites to see if I can find any recall or historical data that might be important. This is true for heavy truck fires all the way to automobile and motorcycle fires. Read More

T is for Temporary – Issues with Extension Cords and Other Temporary Wiring Applications

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Temporary wiring is just that….temporary, and is typically used for repair and maintenance projects.  In this blog I am going to discuss guidance offered by Article 590 of the National Electric Code (NEC), as well as some points to consider when using temporary wiring, including extension cords and holiday lighting.

Before each use, extension cords need to be inspected for visual damage.  Cords with cuts or splits to the insulation need to be discarded.  Cords with damage to the connectors, including those that feel loose when connected, need to be taken out of service.   Failure to properly select and use extension cords can have a catastrophic result.  Read More

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