Machinery Safety 101

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… 

Read More

Fukushima Dai Ichi – Live

In a recent post on his For­bes blog, Edis­on 2.0, Osha Gray Dav­id­son con­nects read­ers to a live web­cam installed by TEPCO at the Fukushi­ma Dai Ichi nuc­le­ar plant. That web­cam has… 

Read More

Worse than Worst?

  The increase to the incid­ent level at the Fukushi­ma Dai Ichi nuc­le­ar plant today by the Japan­ese Nuc­le­ar Reg­u­lat­ory Author­ity has brought the con­tinu­ing dis­aster at the crippled plant… 

Read More

Why you should stop using the term ‘Deadman’

The Dead­man Con­trol Do you use the phrase ‘dead­man’ or ‘dead­man switch’ when talk­ing about safety-related con­trols on your machinery? I often run into this when I’m work­ing with cli­ents who… 

Read More

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… 

Read More