Forensic Engineers and Consultants

Tag Archive: investigation

  1. Civil Twilight Pedestrian Collision: A Case Study

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    Susan, a 45-year-old runner, was jogging in the early morning approximately an hour before sunrise, also known as “civil twilight.” Civil twilight occurs both before sunrise and after sunset when the sun is below the horizon and the sky is partially illuminated. Susan was wearing dark athletic clothing and grey tennis shoes for her morning run. She was running on the sidewalk in a suburban area and began to cross the four-lane road at an unmarked crosswalk. (more…)

  2. 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 (more…)

  3. 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? (more…)

  4. 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. (more…)

  5. Slippery Painted Exterior Walking Surfaces

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    As an experienced safety consultant, I’m 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 an improperly painted or maintained walking surface.

    Slip and fall accidents are a common occurrence and can lead to serious injuries and even death. Painted surfaces are one of the most (more…)

  6. Case Study: Fatality Servicing Unsupported Excavator Boom

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    A mini-excavator at a job site developed a leak at a hydraulic fitting at the base of the cylinder that raises and lowers the boom. A subcontractor foreman at the site raised the boom to search for the leak. The foreman found and attempted to tighten the leaking fitting. When he did, the fitting separated from the base of the cylinder, releasing the hydraulic pressure that held the boom aloft. The boom fell and the bucket struck a nearby superintendent for the general contractor.

    (more…)

  7. Painting of Handicap Ramps

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    As an experienced safety consultant, I’m 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 handicap ramp. There are at least four types of handicap ramps – flare side, parallel, returned curb and built-up. (more…)

  8. A Steep Price: Improperly sloped curb ramps increase the potential of serious pedestrian injury

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    As an experienced safety consultant, I’m called to investigate a wide range of premises liability incidents. One common premises incident that often results in serious injury is a fall on a curb ramp. There are at least four types of curb ramps: flare side, parallel, returned curb and built-up. This post will focus primarily on flare side curb ramps which are the most common type constructed today. (more…)

  9. Where did that hole come from? Part I

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    As an experienced safety consultant, I have investigated many incidents in my career in which a worker “falls through an opening.”  The majority of these incidents have occurred at construction sites and most of the ones I investigated resulted in a serious injury or death. (more…)

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