Industrial ovens and furnaces are used in many manufacturing processes. One use of industrial ovens is for drying and curing coatings on fabrics.
We investigated a fire loss involving a very large oven, 10 stories high, used for curing coatings on an industrial fabric. A young firefighter was burned in response to this fire, one of a string of many fires that had occurred involving the oven.
Pressurized cylinders filled with various gases are very common, from the propane fuel tank under your barbeque grill to acetylene for welding to fluorine for production of many common products. A leak from almost any of these can cause damage or significant losses, from a fire to physical injury, or asphyxiation.
Owner protection against losses and injury can range from nothing to significant, such as storage in ventilated closets or gas detection alarms. In one case the regulator valve on a small CO2 cylinder used in a bar to pressurize beer kegs broke off. The cylinder rocketed around the bar room, causing at least one serious injury. Read More
An important question concerning a workers’ compensation claim involving machinery and equipment is whether or not the loss can be subrogated to a responsible third party. In order to properly analyze this question, it is often helpful to have an engineer determine if the machine contains a condition of defect that caused the incident. One effective way to move ahead with confidence — and without investing travel time and money into a full investigation — is a Warren desk review. Read More
Container handlers are mobile, rubber-tired, machines that are used to load and stack standard containers at a variety of shipping terminals. The machines resemble oversized forklifts but are equipped with shipping container lift spreaders instead of forks. The machines are often equipped with sophisticated computer systems that inform the operator which container needs to be lifted as well as its destination, whether it is a truck, train, or storage stack. Read More
I recently finished working on a case where an operator received a right hand injury when an unguarded, rotating mixer shaft caught his gloved hand between the right index finger and middle finger, twisting it around the shaft causing the index finger to separate from the hand and the middle and ring finger to be dislocated. The mixer contained an unguarded rotating shaft, which created an uncontrolled motion hazard when rotating at speeds up to 450 RPM. Read More
In Part One, I shared a case of a machinist blinded while using a computer numerically controlled (CNC) machining center. The equipment, which was safeguarded, contained a known hazard, but the machine manufacturer included an interlock guard to help protect the operator during the machine’s intended use. Read More
Machine equipment manufacturers are called upon to study potential risks of equipment before selling it in the marketplace. In addition, ANSI machine tool standards further address equipment hazards and risks that cannot be eliminated by design. In one case I investigated, the depth of that critical risk assessment became an important factor in a claim involving a machinist blinded while using a computer numerically controlled (CNC) machining center. Read More
Nearly everyone who lives in a snowy climate would agree that a gas powered snow blower beats a person powered snow shovel for clearing the sidewalk or driveway. Shoveling heavy, wet snow causes injuries from back problems to heart attacks. No wonder that gas powered snow blowers of all sizes are a popular item this time of year. The larger ones may be ride-on types; smaller ones are typically walk-behind. In either case there is an auger to gather the snow as the device moves forward and a bladed fan (or “blower”) to discharge it out of a chute to one side or the other. Read More
Two of the top causes of workplace accidents, according to the United States Department of Labor’s Occupation Safety and Health Administration, are a lack of machine guarding and improper control of hazardous energy. At first blush, these types of incidents can mistakenly be attributed to an employee’s actions without considering how a machine’s design or the improper control of an environment or situation may have contributed.
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The recent Texas fertilizer plant explosion has focused the nation’s eyes on the important matter of workplace safety. When an employee is injured or killed on the job, Warren investigators are often called in to identify what went wrong and how it could have been prevented.
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