Machinery Safety 101

New HSE advice on CE marking assemblies of machinery

Guarded machinery in a plant

This post was originally published on machinebuilding.net. Reprinted with permission. By Jon Severn, machinebuilding.net A degree of confusion surrounds the question of CE marking assemblies of machinery under the Machinery Directive 2006/42/EC. To help clarify the situation, the HSE (Health and Safety Executive) has published a new page on its website entitledIn situ manufacture or assembly of…

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Interlocking Devices: The Good, The Bad and the Ugly

Note: A shorter version of this article was published in the May-2012 edition of  Manufacturing Automation Magazine. When designing safeguarding systems for machines, one of the basic building blocks is the movable guard. Movable guards can be doors, panels, gates or other physical barriers that can be opened without using tools. Every one of these…

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Hockey Teams and Risk Reduction or What Makes Roberto Luongo = PPE

Canucks Hockey Flag

Special Co-Author, Tom Doyle Last week we saw the Boston Bruins earn the Stanley Cup. I was rooting for the green, blue and white, and the ruin of my voice on Thursday was ample evidence that no amount of cheering helped. While I was watching the game with friends and colleagues, I realized that Roberto…

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Understanding the Hierarchy of Controls

The Hierarchy of Controls illustrated as an inverted triangle with each level of the hierarchy written one above the other, starting with Inherently Sfe design, then Engineering Controls, then Information for Use, then Administrative Controls and finally descending to PPE at the bottom. An arrow with the text "Effectiveness" on it runs parallel to the triangle and points downward from Inherently safe design to PPE.

(Eds. note: This article was originally written in 2011 and was updated in Nov. 2018.) The “Hierarchy of Controls” is one approach to risk reduction that has become entrenched in the Occupational Health and Safety (OHS) sector. There are other approaches to risk reduction which are equally effective but are less rigidly structured. If you…

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