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Laser Safety with Johnny Jones — V2N4

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In this episode, your host, Doug Nix, inter­views John­ny Jones. John­ny is a laser safe­ty expert with decades of expe­ri­ence in laser research and devel­op­ment. At one time, John­ny served as the Laser Safe­ty Offi­cer at Los Alam­os Nation­al Lab­o­ra­to­ries in New Mexico. 

Lasers have become ubiq­ui­tous since their inven­tion, bring­ing relat­ed safe­ty haz­ards. Laser safe­ty is cov­ered by a few stan­dards, includ­ing ANSI Z136.1, CSA E60825‑1 and IEC 60825–1. Laser safe­ty train­ing is avail­able from a few sources. In this episode, Doug talks to John­ny Jones of Laser Pro­fes­sion­als about this impor­tant topic.

Lis­ten to episode V2N4

Transcript

Doug inter­views John­ny Jones of Laser Pro­fes­sion­als Inc. (now Ken­tek) about cur­rent trends in research and indus­tri­al laser safe­ty and haz­ard analy­sis. John­ny dis­cuss­es the Laser Safe­ty Offi­cer Train­ing Cours­es pro­vid­ed by Laser Pro­fes­sion­als inc., includ­ing the course held in Toron­to, Ontario, in con­junc­tion with QPS Eval­u­a­tion Ser­vices inc.

Show Notes (Run Time 17:51)
0:00 Intro
3:28 Inter­view with John­ny Jones
4:00 John­ny builds his first laser
4:25 Becom­ing a Laser Safe­ty Offi­cer
5:30 Cur­rent activ­i­ties — Laser Pro­fes­sion­als Inc. and Laser Safe­ty Train­ing
6:04 Today’s Chal­lenges
6:17 Laser Safe­ty Stan­dards
6:33 Ade­quate Per­son­nel Train­ing
6:48 Stan­dards Har­mo­niza­tion between North Amer­i­ca and the rest of the world.
8:41 Com­ing Chal­lenges — Fibre lasers and fem­tosec­ond lasers
9:38 Laser Train­ing Cours­es by Laser Pro­fes­sion­als Inc. (now Ken­tek), www.laser-professionals.com , QPS Eval­u­a­tion Ser­vices Inc., www.qps.ca
12:23 Cer­ti­fied Laser Safe­ty Offi­cer des­ig­na­tion, Board of Laser Safe­ty, http://www.lasersafety.org/
14:13 FREE Col­lege and Uni­ver­si­ty Laser Train­ing Mate­ri­als
15:14 FREE Web-based Laser Haz­ard Analy­sis Tool
15:36 Con­tact­ing Johnny

Cana­di­an Train­ing starts on 18-June-2007. Con­tact QPS Eval­u­a­tion Ser­vices Inc . for more infor­ma­tion. (416) 241‑8857, (877) 746‑4777

John­ny Jones,
Laser Pro­fes­sion­als Inc.
PO Box 1080,
Los Alam­os NM 87544
USA

(505) 662‑5782
(888) 795‑2737 (US Only)
[email protected]

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Introducing ISO 13849–1, Reliability of Safety Related Parts of Control Systems—V2N3

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Introducing ISO 13849–1 2006

This show, dis­cussing ISO 13849–1, was record­ed live at the 2007 CSA/RIA Robot­ic Safe­ty Con­fer­ence in Toron­to, Ontario, in March 2007. Func­tion­al safe­ty is a key aspect of machin­ery safe­ty and one that many design­ers and engi­neers poor­ly understand. 

If you need more cur­rent infor­ma­tion, see the series of posts on this top­ic on our blog:

If you need some help with func­tion­al safe­ty, see our func­tion­al safe­ty con­sult­ing ser­vices.

We offer a course to help you get start­ed using ISO 13849. See the course curriculum.

Listen to the show

Lis­ten to episode V2N3

Transcript

Doug dis­cuss­es the basic ele­ments of the 2006 edi­tion of ISO 13849–1 dur­ing a pre­sen­ta­tion at the 2007 CSA/RIA Robot­ic Safe­ty Con­fer­ence in Toron­to, Ontario. The pre­sen­ta­tion intro­duces Per­for­mance Lev­els (PL and PLr), Diag­nos­tic Cov­er­age (DC) and Com­mon Cause Fail­ures (CCF). Learn the mean­ing of MTTFd, B10 and B10d and their sig­nif­i­cance in the design of safe­ty sys­tems for machinery.

This show runs 50:22.

Download the presentation

[mdocs single-file=“Whats New in ISO 13849–1.pdf”]

Send your com­ments and ques­tions to Doug Nix.

In our next episode, we’ll be talk­ing about laser safe­ty with John­ny Jones of Laser Pro­fes­sion­als Inc. (now Kentek)

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Hazard Identification — V2N2

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In this episode, your host, Doug Nix, talks about one of the most impor­tant parts of risk assess­ment: haz­ard iden­ti­fi­ca­tion. Learn about what haz­ards are and how to han­dle haz­ards that you don’t have enough expe­ri­ence to evaluate.

Lis­ten to episode V2N2

Transcript

TimeTop­icRelat­ed Links
00:00Wel­come to the Safe­ty Guy Podcast! 
01:24Where I’ve been the last 2–1/2 months 
01:48Mail Bag 
04:51Recap of the last show. Con­tact Tom Doyle at Indus­tri­al Safe­ty Inte­gra­tion to find out more about CIRSMA Risk Man­age­ment Software. 
05:50Pod­Camp Toron­to 07 
07:03Haz­ard Identification 
07:22What is a hazard?EN 1050 / ISO 14121 Ontario Min­istry of Labour CCOHS: Cana­di­an Cen­tre for Occu­pa­tion­al Health and Safe­ty US OHSA
11:19Haz­ards that you don’t have enough expe­ri­ence to evaluate.QPS Eval­u­a­tion Ser­vices Inc. Elec­tri­cal Inspec­tion and Cer­ti­fi­ca­tion Laser Pro­fes­sion­als Inc. (now Ken­tek) Laser Haz­ard Analy­sis, Laser Safe­ty Train­ing and Laser Safe­ty Con­sult­ing Ser­vices Radi­a­tion Safe­ty Insti­tute of Cana­da. Ion­iz­ing radi­a­tion haz­ard analy­sis and con­sult­ing services.
12:20Esti­mat­ing Severity 
14:30Kitchen knives vs. Belt Drives 
17:58How far do you have to go when iden­ti­fy­ing hazards? 


Send your com­ments and ques­tions to Doug Nix.

In our next episode, we’ll intro­duce the con­cept of Con­trol Reli­a­bil­i­ty and talk a bit about the key stan­dard for machine builders, ISO 13849–1: Safe­ty of machin­ery — Safe­ty-relat­ed parts of con­trol sys­tems — Part 1: Gen­er­al prin­ci­ples for design.

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Risk Scoring Systems—An Interview with Tom Doyle — V2N1

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Risk scoring systems

In this episode, your host, Doug Nix, inter­views Tom Doyle of Indus­tri­al Safe­ty Inte­gra­tion, a Cana­di­an com­pa­ny offer­ing risk assess­ment soft­ware to help prac­ti­tion­ers bet­ter struc­ture their risk assess­ments and pro­duce reports for oth­er safe­ty engi­neer­ing and reg­u­la­to­ry com­pli­ance requirements.

Note: Sad­ly, Indus­tri­al Safe­ty Inte­gra­tion is no longer in business.

Transcript

One of the key tools in car­ry­ing out a risk assess­ment is the risk scor­ing sys­tem used. There are lots of risk-scor­ing sys­tems out there, so how do you choose one for your project? What about risk assess­ment and risk man­age­ment soft­ware sys­tems? Tom Doyle, Pres­i­dent of Indus­tri­al Safe­ty Inte­gra­tion, joins Doug to dis­cuss these impor­tant issues.

The pri­ma­ry tool used in risk assess­ment is the risk scor­ing sys­tem. These sys­tems range in com­plex­i­ty from sim­ple, two-vari­able meth­ods that con­sid­er only sever­i­ty and aggre­gate prob­a­bil­i­ty to much more sophis­ti­cat­ed sys­tems with four or more vari­ables. Scal­ing is also wide­ly vari­able, with as few as two choic­es to as many fif­teen choic­es for each vari­able. Some pure­ly math­e­mat­i­cal mod­els use prob­a­bil­i­ty cal­cu­la­tions to deter­mine risk lev­els. How do you choose a sys­tem? How fine do the scales need to be to give you results that make sense?

Tom Doyle, Pres­i­dent of Indus­tri­al Safe­ty Inte­gra­tion, a Cana­di­an man­u­fac­tur­er of Risk Man­age­ment soft­ware, joins Doug to dis­cuss these issues. 

Send your com­ments and ques­tions to Doug Nix.

In our next episode, we’ll delve deep­er into Haz­ard Iden­ti­fi­ca­tion, the first step in risk analysis.

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Design Methodology and The Myth of Common Sense — Episode V1N2

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Design Methodology and the Myth of Common Sense

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

TimeTop­icRelat­ed Links
00:00What’s on this episode? 
1:34Design 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.
5:23Haz­ard Based Safe­ty Engi­neer­ing approach to risk reduction 
7:45Haz­ard Warn­ing LabelsANSI Z535 fam­i­ly, ISO 3864–1 (there are three parts), ISO 7000
10:45CSA Z321 – Not a prod­uct labelling standard!CSA Z321 This stan­dard has been with­drawn by CSA.
11:30ANSI Z535.6 – Haz­ard warn­ings in user documentation. 
12:30Why do Risk Assess­ments on your prod­uct? Advan­tages and Disadvantages 
19:05The Myth of Com­mon Sense! Kitchen knives, laser cut­ters and why com­mon sense isn’t so common. 
21:37The Angle Grinder Case 
24:00Is the prod­uct Safe Enough? US OSHA, Ontario OHSA & Ontario Reg­u­la­tion 851. 

Down­load the show notes below

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The Safety Guy Podcast — V1N2

1 file(s) 267 KB
Show Notes V1N2

Send your com­ments and ques­tions to Doug Nix.

In the next episode, we’ll dis­cuss Risk Scor­ing Sys­tems with Tom Doyle, Prin­ci­pal at Indus­tri­al Safe­ty Inte­gra­tion.

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Who is the Safety Guy? What is Safety Engineering? Episode V1N1

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Who is the Safety Guy? What is Safety Engineering?

Wel­come to the first episode of the Safe­ty Guy pod­cast. Your host, Doug Nix, shares var­i­ous per­spec­tives on machin­ery safe­ty top­ics in this show. In this episode, you’ll learn a bit about Doug and his back­ground; then, you’ll learn a bit about the safe­ty engi­neer­ing discipline. 

Lis­ten to episode V1N1

Transcript

TimeTop­icRelat­ed Links
00:00What’s on the show today? 
00:51Intro­duc­ing the Safe­ty Guy.
- Why both­er to pod­cast on machin­ery safety?		 
1:46The Safe­ty Guy’s philosophy 
3:41What’s in the rest of the episode?
- Intro­duc­ing IEEE’s Prod­uct Safe­ty Engi­neer­ing Soci­ety
- New Machin­ery Safe­ty Web­site
- Haz­ard Based Safe­ty Engi­neer­ing Mod­el
- Basic Design Methodologies		 
4:41The Need for Edu­ca­tion in Safe­ty-based Design 
8:33Resources for Self-EducationCom­pli­ance Engi­neer­ing Mag­a­zine, http://www.ce-mag.com/
Com­pli­ance Mag­a­zine, http://www.compliancemag.com/
Con­for­mi­ty Mag­a­zine, http://www.conformity.com/
IEEE Prod­uct Safe­ty Engi­neer­ing Soci­ety (PSES), http://www.ieee-pses.org/
IEEE EMC Prod­uct Safe­ty Tech­ni­cal Com­mit­tee (EMC-PSTC), http://ewh.ieee.org/soc/emcs/pstc/
IEEE PSES Com­pli­ance Forum, http://www.ewh.ieee.org/soc/pses/emc-pstc.html
IEEE Elec­tri­cal Safe­ty Forum, https://www.ieeecommunities.org/ieee.safety
IEEE PSES Sym­po­sium, http://www.www.ieee-pses/symposium/
11:10The basics of safe­ty engineering 
11:26UL University’s Haz­ard Based Safe­ty Engi­neer­ing (HBSE) SeminarHaz­ard Based Safe­ty Engi­neer­ing Sem­i­nar,
http://www.uluniversity.com/SUTRA/shopul/customer/home.php?cat=341
11:35The HBSE Model 
17:50Con­trol Measures 
18:18Risk Assess­ment and the Ford Pin­to Case 
20:40The pop­u­lar­iza­tion of Risk Assess­ment: EN 1050 (aka ISO 14121) and the con­cepts of Pre­lim­i­nary Haz­ard Analy­sis (PHA) 
21:45Risk Scor­ing based on EN 954–1 Annex A (aka ISO 13849–1) 
22:45Bruce W. Main – Design Safe­ty Engi­neer­ing, Tom Doyle – Indus­tri­al Safe­ty IntegrationIndus­tri­al Safe­ty Integration
23:06ANSI B11.19 Stan­dard, ANSI/RIA 15.06 Stan­dard, CSA Z434 Standard 
23:40Why don’t more machine builders do risk assessments? 
24:43Oth­er meth­ods – FMEA, FTA 
25:30Bruce Main’s textbookRisk Assess­ment Basics and Bench­marks. Read the review in IEEE Xplore before you buy.

Down­load the show notes ⬇️

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The Safety Guy Podcast — V1N1

1 file(s) 259 KB
V1N1 Show Notes

Send your com­ments and ques­tions to Doug Nix.

In the next episode, we’ll be dis­cussing safe­ty-based design method­ol­o­gy and we’ll get deep­er into risk assessment.

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