Forensic Engineers and Consultants

Archive: Industrial

Differences in Slip Resistance of Materials used in Walking Surfaces

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As an experienced safety consultant, I’m called on to investigate a wide range of premises liability incidents. In any slip and fall investigation it is important to assess the type of walking surface material involved and its corresponding slip resistance.

Slip resistance is a critical factor to consider when choosing the right flooring material for any space. It’s especially important in areas that are prone to moisture, spills, or other hazards that could make floors slippery and dangerous. A slip-resistant surface can help reduce the risk of Read More

The Importance of Crane Wire Rope Lubrication

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Wire ropes are critical components of cranes and play a crucial role in ensuring the safety and efficiency of crane operations. To extend the life of these ropes and maintain their strength and performance, it is essential to regularly lubricate them. Read More

The Difficult Task of Avoiding Pedestrians While Driving at Night

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An alarming 6,516 pedestrians were killed, and 54,769 pedestrians were injured as a result of traffic crashes in 2020 (NHTSA, 2022). A large majority (77%) of these pedestrian fatalities occurred in low luminance conditions such as nighttime while only 20% occurred in daylight (NHTSA, 2022). This dramatic difference between pedestrian fatalities during the night and day is seen even when controlling for driver fatigue and alcohol consumption (Owens & Sivak, 1996). This phenomenon prompts the question as what is so dangerous about being a pedestrian at night? Read More

Treating Painted Walking Surfaces for Improved Slip Resistance

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As an experienced safety consultant, I am called on to investigate a wide range of premises liability incidents. One common premises liability incident that often results in serious injury is a fall on a painted walking surface.

Slip and fall accidents can be devastating, causing serious injuries and even death. To prevent these accidents, it is important to ensure that walking surfaces, including painted ones, are slip-resistant. In this article, we will discuss the various methods for treating painted walking surfaces to make them slip-resistant. Read More

The FORKLIFT 500 – A Need for Speed

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From a young age, many children are typically drawn to things that are fast.  Fast toys, fast race cars, sports that require speed.  Is it possible that “feeding” this desire tends to make many of us resist, whether consciously or subconsciously, the request or demand to “Slow down!” once we’ve grown up, even when we know that it is the right and wise thing to do?  Now couple this with the natural tendency of most businesses to push for more productivity by doing things faster and more efficiently.  This can be dangerous when we take this combination into a workplace where forklifts are a necessary and integral part of the day-to-day operations.

Race cars are designed to go fast, and they rely on a properly trained and experienced driver to complete a race successfully and safely.  Forklifts are designed to lift and transport heavy loads, and they also rely on a properly trained and experienced driver to Read More

Danger Within Reach

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How far away from a hazard should you stay?  Your parents or grandparents would probably have told you to stay far away, but what are you to do when a hazard is present, and you must work around or near the hazard?  And what exactly is a hazard?  ISO 12100 Safety of machinery – General principles for design – Risk assessment and risk reduction defines a hazard as a “potential source of harm.”

Where would a designer of a machine or product start if they wished to protect the user from a known hazard?  Consensus standards are a great place to begin the quest for safety. Read More

If There is a Human, There are Human Factors

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If there is a human involved in the case, there is a good chance that human factors theories and principles will be applicable. Human factors is the study of people interacting with their surrounding environment. A human factors expert applies their knowledge of human capabilities and limitations to each unique case to assess the physical, sensory, and cognitive factors that caused a person to behave a certain way within the surrounding environment.

Consider the following situations in which a human factors expert would be beneficial: Read More

Everybody Has A Part to Play – What’s Your Role?

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Across industry and construction sites, there are times when employees of different employers are working side by side, or at least on the same site at the same time.  Some industry examples are when chemical plants have contractors on-site for routine maintenance or during process shutdowns for major overhauls or repairs. OSHA refers to these as multi-employer worksites.  In December of 1999, they revised their citation policy which allows for more than one employer at a worksite to be cited for conditions that violate OSHA standards. Read More

WARREN Welcomes Human Factors Consultant Ellen Szubski, Ph.D.

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Please join us in welcoming Human Factors Expert Ellen Szubski, Ph.D, to the WARREN family!

 

 

 

 

 

 

 

 

 

 

Ellen’s Areas of Expertise Include:

  • Human Factors & Safety
  • Illumination Evaluation
  • OSHA Regulations
  • Premises Liability
  • Slips, trips, and falls
  • Workplace injuries
  • Vehicle/Pedestrian/Bicycle Crash Investigation

Ellen Szubski is a human factors consultant with Warren. Her expertise focuses on the crash investigations and other personal injury matters. These matters often include collisions and/or crashes involving vulnerable road users and drivers, driver distraction, and slips, trips. & falls. She utilizers her knowledge of OSHA regulations, codes and standards in her analysis of premises liability incident and safety consulting.

Ellen graduated from Clemson University with a Master of Science in Applied Psychology and a Doctor of Philosophy in Human Factors Psychology. She did her dissertation on “The Influence of Pedestrian Biological Motion on Time-To-Collision Estimates at Night.”  Ellen is a member of the Human Factors and Ergonomic Society (HFES) and its Forensic Professional Technical Group.  She has presented multiple times at the Human Factors and Ergonomics Society Annual meetings.

Financial Injury.…From a Machine?!?!

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Forensic engineers may be called upon to investigate a broad array of problems concerning a machine.  Cases involving physical injuries and even death are a large part of what we investigate in order to determine what caused the accident to happen and who may be at fault.  Occasionally, problems with a recently designed custom machine do not cause a physical injury, but instead cause a “financial” injury.  This type of “injury” can negatively impact the machine designer, the machine purchaser, or possibly both.  Financial injuries can be quite substantial, just as physical injuries can be, and may severely impact a company’s cash flow which can make or break a company.  A refusal to pay a designer/builder of a machine or paying for a machine that ends up not meeting the agreed upon performance specifications can have catastrophic consequences for many businesses, especially for small ones. Read More

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