Forensic Engineers and Consultants

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Hidden Dangers at Home 3 Surprising Household Hazards You Shouldn’t Ignore

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Most folks think that chemical hazards are strictly limited to manufacturing or other industrial sites.  The fact that there are potential chemical hazards in the safe confines of their homes often comes as a surprise.

A surprising number of residential fires are caused by the spontaneous combustion of stain application materials.  When an oil-based stain is applied to furniture or flooring, the oils react with the oxygen in the air to form very large polymer chains.  The process of the liquid stain turning to solid barrier is called curing (it is not drying via evaporation) and the reaction is oxidation.  This reaction generates heat.  On the floor or chair, the heat dissipates into the room without an issue.  That same oxidation reaction is occurring on the brush, towel, sponge, or rag that was used to apply the stain.  If those materials are piled in a corner or in a trash can, the heat cannot dissipate.  If there is enough product present, enough heat can be generated to Read More

Safety Hazards in Waterjet Cutting

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Waterjet cutting machines (often simply called ‘waterjets’ in the industry) are essentially platforms that use ultra-high pressure water to manufacture cut parts with accuracy as high as .001 inch. They can cut materials ranging from glass and stone to steel and even plastics. Such machines can cost under $1.00 per minute to run, even including labor. Waterjets are some of the most versatile cutting tools available today. They produce virtually no heat-affected zone. They also use CNC (computer numerically controlled) programs, which allow continuously variable speeds for different edge conditions and cut quality. The waterjet dissipates heat, and the jet stream minimizes harmful chemical vaporization from cut materials. Small and mid-sized companies throughout the U.S. depend on these powerful tools to manage all sorts of custom two-dimensional cuts.

But waterjets present unique hazards to the manufacturing environment. The following challenges require special attention: Read More

Machinery Directive VS Machinery Regulation – A Notable Change

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In 2023, the new European Machinery Regulation was published which replaces the 2006 Machinery Directive.  The 2023 Machinery Regulation is slated to be entered into force and application on January 20, 2027.  A number of changes and/or clarifications are included in this new Machinery Regulation, not the least of which is the definition for “substantial modification.” Read More

Pollen Can Cause More Than Allergies

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Slip and falls occur when there is an unexpected loss of traction between a person’s foot and the walking surface, causing them to lose balance and fall.  This type of injury is common and can occur in any setting where people walk, including homes, workplaces, and public areas. Slips can result in serious injuries, particularly for older adults.

The human gait cycle consists of four phases: the Read More

Fire Sprinkler History and Development

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Did you know that I’m passionate about fire protection? Instead of proving it with stories recounting soakings by numerous fire hydrant, fire pump, and deluge system tests, I will share more about fire sprinklers! (Working on solidifying my fire sprinkler nerd status!)

Automatic fire sprinklers have an over 150-year history, with Henry S. Parmelee being credited with Read More

WARREN Welcomes Mechanical Engineer Brian Tenace, M.S.M.E., P.E.

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Brian’s Areas of Expertise Include:

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Springing Forward into the Dangers of Fatigued Driving

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Every spring, the United States shifts the clocks forward one hour creating an extra hour of light in the evenings. However, this shift may be linked to a slight increase in fatal traffic accidents immediately following the time change. It is theorized that the increase in fatal traffic accidents is due to two things: people losing an hour of sleep and the low illumination conditions of morning commuters. Read More

How Fire Alarm Information Can Fill in a Loss Puzzle

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Did I lose you in the title? Fire alarms! Ah, those mysterious systems required by, discussed in, and described by hundreds of pages of sometimes baffling and circular code text. They can be intimidating to think about. Have you considered that these mysterious red boxes could have information helpful in a loss? Let me describe why it could be advantageous to have a knowledgeable person to check out the fire alarm system after a loss, and not just for fires. Just as an airplane’s black box may hold information Read More

The Potential Leak in Your Kitchen Cabinet – Flexible Supply Connectors

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One of the more innovative products to emerge on the plumbing scene in the past 20 years or so (in my opinion) is the flexible supply connector.  A lot of people have seen but probably not paid much attention to them under their sink or perhaps from the toilet supply valve to the toilet tank.  Most have Read More

Binocular and Monocular Cues in Depth Perception

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Depth perception is an essential aspect of interacting with and navigating the world for people. Depth perception is the ability to perceive the world in three dimensions (3D). It allows people to judge how far away objects are, how they relate spatially to one another, and how they can successfully interact with them. Depth perception is a critical aspect of vision that enables activities like Read More

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