Machinery Safety 101

ISO Withdraws Machinery Risk Assessment Standards

This entry is part 1 of 10 in the series Risk Assess­ment

ISO has with­drawn three long-stand­ing basic machinery safety stand­ards used inter­na­tion­ally and in the EU and replaced them with a single com­bined doc­u­ment. If you design, build or integ­rate machinery for sale inter­na­tion­ally or with­in the EU, this new stand­ard needs to be on your BUY list!

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How Risk Assessment Fails

Fukushima Dai Ichi Nuclear plant before the meltdown
This entry is part 2 of 10 in the series Risk Assess­ment

The events unfold­ing at Japan’s Fukushi­ma Dai Ichi Nuc­le­ar Power plant are a case study in ways that the risk assess­ment pro­cess can fail or be abused. In an art­icle published… 

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The purpose of risk assessment

This entry is part 3 of 10 in the series Risk Assess­ment

I’m often asked what seems like a pretty simple ques­tion: “Why do we need to do a risk assess­ment?” There are a lot of good reas­ons to do risk assess­ments, but ulti­mately, the… 

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The Problem with Probability

This entry is part 4 of 10 in the series Risk Assess­ment

Risk Factors When risk is ana­lyzed, at least in the indus­tri­al sec­tor, we usu­ally fol­low a pro­cess defined in ISO 12100. This approach defines two broad para­met­ers, sever­ity and prob­ab­il­ity, and then… 

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What did TEPCO know about Fukushima before 11-Mar-11?

Fukushima Dai Ichi Nuclear plant before the meltdown
This entry is part 5 of 10 in the series Risk Assess­ment

I recently had a col­league point out an inter­est­ing paper pub­lished in the “Bul­let­in of the Atom­ic Sci­ent­ists” about the level of know­ledge that exis­ted between the start of con­struc­tion of… 

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