According to the Bureau of Labor Statistics, a number of accidents occur in the workplace each year due to workers being struck-by falling objects. An emerging category of protective equipment is becoming more widely available offering a proactive way to directly reduce stuck-by accidents involving dropped tools. Tool tethers (“tethers”), also referred to as “lanyards”, help reduce the risks associated with dropping tools being used at height.
There are two general categories of tethers: rigid (also called “fixed length”); and elastic (also called “extendable”). When a tool is connected to an elastic tether, the tether is engineered to slow a dropped tool to a stop, much like a shock absorber, preventing a free-fall to the ground or floor below. By reducing the forces associated with a fall from height, tethers can help reduce or prevent damage to the tool and/or structure while also allowing the tool to be easily recovered by the user.
Recently, the International Safety Equipment Association (ISEA) worked with industry stakeholders to develop and publish a new voluntary standard (ISEA 121-2018) which establishes minimum requirements for the design, labelling, testing and performance of tool tethers and their associated attachment equipment. The standard addresses four components – those being the anchor attachments (how the tether attaches to the structure), tool attachments (how the tether attaches to a tool), tool tethers, and containers (used to raise small equipment or supplies to height). Note that other established tethers and drop prevention programs may have different requirements.
When incorporating a tethering program, selecting an ISEA 121-2018 compliant tether and using it in accordance with the tether manufacturer’s instructions reduces the risks associated with working at height. Equally important is the need to ensure your tool is designed to be connected to a tether. Not all tools, or locations on a tool are suitable for tether connection and only those recommended by the tool manufacturer should be used.
Revised Fall 2020
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