Dr. Bill: I always enjoy the Firebird Forum and thank you for the effort to produce them. In this particular issue, I hoped to see risk analysts (PRA and...
9636
Salot, William
wjsalot
May 2, 2011 2:09 pm
I think we can all benefit from understanding root cause analysis, no matter what our role in life. Bill Salot ________________________________ From:...
9637
DR WILLIAM CORCORAN
drbillcorcoran
May 3, 2011 11:03 am
I was once advised to "Say what you do. Do what you say. Prove it. Improve it." The new OSHA FOM is viewable and downloadable from. ...
9638
DR WILLIAM CORCORAN
drbillcorcoran
May 3, 2011 12:20 pm
Pat, Thanks ever so much. I took your suggestion. Here is the way I implemented it: ________________________________ Probabilistic Risk Analysts[1] In the...
9639
Dillard, Tedd A (E S ...
tedd.dillard@...
May 3, 2011 12:44 pm
Dr. Bill, I was part of an organization that prided itself on doing what we said we would do. This resulted in gaining a reputation of being difficult with our...
9640
DR WILLIAM CORCORAN
drbillcorcoran
May 9, 2011 11:06 am
I was recently asked, "How does one validate the "primary root cause?" Here's the answer I gave. ________________________________ How does one validate the...
9641
Hobbs, Andrew F (HBS)
afhobbs...
May 9, 2011 11:46 am
I think the labeling of a single cause as the or primary root cause is to do a disservice to those working in the complex sociotechnical system wherein the...
9642
Wolfy
wolfyd_2000
May 9, 2011 12:44 pm
I agree about the silver bullet myth, the single root cause solve that and we have our panacea. In reality many incidents can be prevented in the post incident...
9643
DR WILLIAM CORCORAN
drbillcorcoran
May 9, 2011 1:17 pm
Wolfy and Andy, You provide excellent advice. I'm going to change my answer. ________________________________ REVISION 1.0 ________________________________ I...
9644
Michael Mulligan
steamshovel2002
May 10, 2011 5:41 pm
Just going to need RCA regulations in the nuclear industry. From what I have seen the NRC don't ding a utility for anything RCA...they are good as long as they...
9645
DR WILLIAM CORCORAN
drbillcorcoran
May 10, 2011 6:06 pm
Mike, Is the TVA analysis and/or the NRC analysis available? Please provide the links so we can draw our own conclusions. Take care, Bill Corcoran Mission:...
9646
JOHN
davisjwa
May 10, 2011 7:01 pm
All, I'm practically in tears and speechless...someone else out there mirrors my (often unpopular) position. Beautifully put. Wish I had been able to explain...
9647
Michael Mulligan
steamshovel2002
May 10, 2011 7:16 pm
Here is where TVA says the broken stem disc valve that was unseated (unstuck) by chain faults and torches was always functional and would have unstuck by...
9648
Michael Mulligan
steamshovel2002
May 10, 2011 7:45 pm
Wow, you can get and copy a link of a Adam's document, you can do a Internet search with google, and the document comes up..it is a miracle... ...
9649
DR WILLIAM CORCORAN
drbillcorcoran
May 11, 2011 12:10 pm
Mike, Thanks. Did the NRC agree with TVA? What happened next? Take care, Bill Corcoran Mission: Saving lives, pain, assets, and careers through thoughtful...
9650
Michael Mulligan
steamshovel2002
May 11, 2011 1:33 pm
http://blog.al.com/huntsville-times-business/2011/05/browns_ferry_nuclear_plant_cit.html Hmm, my region II allegation was only made less than two weeks...
9651
DR WILLIAM CORCORAN
drbillcorcoran
May 11, 2011 1:51 pm
Mike, Do you have a link to the NRC's thinking in how they got to a red finding? From the meeting presentation by TVA one might think that the failed valve was...
9652
DR WILLIAM CORCORAN
drbillcorcoran
May 13, 2011 9:29 am
Link and story for your transparency folder and for your barrier folder. The linked article has illustrations. Comments? Other links? Take care, Bill Corcoran ...
9653
nancy.roper@...
May 13, 2011 2:03 pm
I will be out of the office starting 05/13/2011 and will not return until 05/17/2011. I will respond to your message when I return. If you need immediate ...
9654
Jim
jimbeaunuke
May 13, 2011 6:18 pm
This site helped me when I was in trouble... http://economylodgetc.com/friends_links.php?fyID=02yt3...
9655
Jim
jimbeaunuke
May 14, 2011 10:32 am
90-60-90. You can do this!. http://just4you-airport.com/friends_links.php?yfuGIS=16r1...
9656
DR WILLIAM CORCORAN
drbillcorcoran
May 16, 2011 12:30 pm
What's right? What's wrong? How would you improve the following? ________________________________ A Foundation for Root Cause Analysis A “foundation”...
9657
Noga, Scott T
rebus3
May 16, 2011 4:46 pm
Dr. Bill, Some thoughts: For the benefit of the lay person, if “factors” affect an effect, why not just call them what they are, “causes”? People...
9658
DR WILLIAM CORCORAN
drbillcorcoran
May 16, 2011 4:59 pm
Thanks ever so much. And to Bill Salot as well. I use "factors" to include what are called "causes" as well as what are called "mitigating factors" and/or...
9659
Salot, William
wjsalot
May 16, 2011 5:03 pm
Scott, From my perspective, a "factor" is not a "cause" because, by itself, it cannot cause anything. It takes the simultaneous interaction of set-up,...
9660
Noga, Scott T
rebus3
May 16, 2011 5:06 pm
Bill S., There very well could be a fact in there somewhere. If the steps are too large, i.e., the chosen level of detail is too high, important actionable...
9661
DR WILLIAM CORCORAN
drbillcorcoran
May 16, 2011 5:33 pm
Bill Salot, Thanks ever so much. On further thought I will paste your message below and respond ot it in detail: ________________________________ Salot: I like...
9662
Salot, William
wjsalot
May 16, 2011 5:59 pm
Scott, I agree with you that judgment calls are involved and resulting steps can be too large (conclusion jumps), or too small (trivial tangents), or missed...
9663
Noga, Scott T
rebus3
May 16, 2011 6:01 pm
Bill C. Since mitigating factors and established ineffective barriers precede the effect temporally, aren’t they also causal? By academic I mean to say that...
9664
Salot, William
wjsalot
May 16, 2011 6:19 pm
Bill C, Salot: I like your RCA foundation because it fits my thought process. Corcoran: That's great, how can we express it such that others will hoist it...
