Design Methodology and The Myth of Common Sense

Laptop computer set up with two microphones and an audio mixer for posdcasting production

In this episode, your host, Doug Nix, discusses design methodology and the myth of common sense that is often used as justification to do nothing to improve the safety of a product. Learn about the Hierarchy of Controls, hazard-based safety engineering, hazard warning labels, and the application of standards to the machine manuals. Finally, how do you know if a product is safe enough?

Listen to episode V1N2

Transcript

Time	Topic	Related Links
00:00	What’s on this episode?
1:34	Design Methodology The Risk Reduction Hierarchy: Eliminate/Substitute, Safeguard, Warn, Train, PPE Discussing the effectiveness of each step in reducing risk.	EN 292–1 (obsolete), EN 292–2 (obsolete), ISO 12100–1 (obsolete), ISO 12100–2 (obsolete), CSA Z432 EN 292 and ISO 12100–1/-2 were replaced by EN ISO 12100:2010 and ISO 12100:2010.
5:23	Hazard Based Safety Engineering approach to risk reduction
7:45	Hazard Warning Labels	ANSI Z535 family, ISO 3864–1 (there are three parts), ISO 7000
10:45	CSA Z321 – Not a product labelling standard!	CSA Z321 This standard has been withdrawn by CSA.
11:30	ANSI Z535.6 – Hazard warnings in user documentation.
12:30	Why do Risk Assessments on your product? Advantages and Disadvantages
19:05	The Myth of Common Sense! Kitchen knives, laser cutters and why common sense isn’t so common.
21:37	The Angle Grinder Case
24:00	Is the product Safe Enough? US OSHA, Ontario OHSA & Ontario Regulation 851.