Forensic Engineers and Consultants

Archive: Subrogation

The CE Mark and What Should It Mean to You? Part Two

In the previous blog (Part One) we discussed the backstory behind the two stylized letters CE and what it means to the design of machinery bearing the mark.   We outlined some of the requirements of the “Machinery Directive” (MD) which include what are known as “Essential Health and Safety Requirements.” The Essential Health and Safety Requirements incorporate an iterative risk reduction process during design that takes into account the intended use as well as foreseeable misuse, identification of the hazards, elimination of the hazards where possible, reduction of risk, and warning of the residual risk among others.

So, let’s look a little closer look at Read More

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Construction Techniques to Prevent Water Penetration at Windows

Windows, and their interface with the exterior walls, are an important part of a building’s envelope that resists the intrusion of water. Most builders take many precautions to protect a house from water damage. One of the most important factors in keeping the water out is the installation of window flashing, a thin material that prevents water from seeping in around a window. Read More

Ammonia

Ammonia – The Good, The Bad, The Smelly… Part One

Ammonia is a compound consisting of one nitrogen atom and three hydrogen atoms and is denoted by the formula NH3. Its boiling point is -28°F at atmospheric pressure, so unless it is under pressure, it is gaseous at room temperatures. Therefore, pure ammonia is typically stored under pressure in a liquid form. Household ammonia is only 5-10% NH3, the remaining 90-95% is water. Ammonia is extremely soluble in water. It is often depicted  like this: Read More

The CE Mark and What Should It Mean to You? Part One

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Two little letters, CE.  Perhaps you have seen those two letters on a machine nameplate or some other equipment.  What is the meaning behind those two stylized letters and how does it drive the design of safer machinery?  Let’s take a closer look. Read More

Shedding Some Light on Fluorescent Light Fixture Fires

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Lighting systems in buildings and other structures have undergone changes over the years.  Many of these changes have occurred as manufacturers have developed more efficient lighting methods.  Lighting loads can represent the largest category of electrical load in many buildings, thus improved lighting efficiency may significantly lower your power bill and can lengthen time between lamp changes. Read More

Crane Incident Handbook

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Cranes are powerful lifting devices that we see everyday in construction areas, shipping terminals, and industrial sites. They are so common that we often pass by them with little thought. Cranes, however, can sometimes become involved in incidents that injure people or damage equipment. Read More

Hidden Heat: The Unseen Hazard of a High Resistance Connection

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A typical residence can have upwards of 10,000 feet of electrical conductors installed, most of which are buried in the walls, attics and crawlspaces.  A commercial building can have 100,000 to upwards of 1 million feet of electrical conductors.  At each device such as a switch or a receptacle are at least three, and typically six or more connections of these conductors within a junction box.  The connections can be in the form of twisted connectors, screw terminals, push in terminals and crimped connectors.

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Distributed Control Systems…Data is the Key

Wouldn’t it be great to have a built-in camera to let you see exactly what went wrong before an incident?  In many manufacturing instances there is, chemical plants especially.  The computer system that operates the plant is called a Distributed Control System (DCS) and it has the capacity to monitor thousands of process variables (flow rates, temperatures, pressures, levels, valve positions, pumps on/off) simultaneously.

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Waste Gas Treatment Equipment Failure: Design & Installation Defects Cause Fire

The thirty-thousand-foot view of manufacturing is raw material in, alter in an appropriate fashion, finished product out, by-product out.  Since the finished product keeps a business in business, it gets the most attention.  What about by-products or waste streams?  Read More

Product Design is Critical to Consumer Safety

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As the holiday season nears, thoughts turn to wonderful home-cooked meals with family.  Few things in life are more pleasurable than a traditional holiday turkey feast. Yet for an unfortunate few, holiday meal time can turn tragic if a turkey frying accident occurs.   While fried turkeys may be tasty, many fire safety experts feel that the reward is not worth the risk.  Read More

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