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All articles listed in reverse chronological order.

by Greg Hutchins Leave a Comment

Nomad at Last

Nomad at Last

Guest Post by Joseph Paris (first posted on CERM ® RISK INSIGHTS – reposted here with permission)

It’s January 2020.  I have just made a pitch to the corporate big-wigs for a way to reduce their real-estate costs (premises including rent and utilities), their corporate travel costs, even their carbon footprint using the latest telephony and collaborative applications.  I postulate that they will even see an increase in productivity while improving their employee’s work-life balance; no more one-hour commutes each way.

[Read more…]

Filed Under: Articles, CERM® Risk Insights, on Risk & Safety

by Mike Sondalini Leave a Comment

How Mother Nature and Father Time Creates Reliability and Availability in the Universe

How Mother Nature and Father Time Creates Reliability and Availability in the Universe

Mother Nature And Father Time have together built well. What they have left behind lasts a long time without failure. Humans can run for 100 years with very little maintenance. Trees can run for thousands of years without maintenance. There are lessons for us to take and apply. The life on our world shows us how to achieve truly outstanding reliability and availability. Do you want a thing to last 20 years trouble-free all its life, maybe 50 years without a problem? By looking at what the Mother Nature And Father Time left behind you will find the answers.

[Read more…]

Filed Under: Articles, on Maintenance Reliability, Plant Maintenance

by Nancy Regan 1 Comment

Essence of Reliability Centered Maintenance, and Risk Assessment

Essence of Reliability Centered Maintenance, and Risk Assessment

My not-so-dirty-little-secret, the Essence of Reliability Centered Maintenance, and Risk Assessment all at once…

I’m going to tell you a not-so-dirty-little secret about myself. I love No-Limit Texas Hold-‘Em poker. 

I’m a tournament poker player – not cash. Every year at Thanksgiving, my husband and I journey to Las Vegas to indulge in my favorite hobby.

[Read more…]

Filed Under: Articles, Everyday RCM, on Maintenance Reliability

by Larry George 1 Comment

Markov Approximation to Standby-System Reliability

Markov Approximation to Standby-System Reliability

Age-specific reliability of a standby system depends on components’ failure rates. Reliability computation is interesting when part failure rates depend on age, which is what motivates having a standby system. A Markov chain, approximates the age-specific reliability and availability, which are complicated to compute exactly, unless you assume constant failure rates. Why not use age-specific (actuarial) rates? They are Markov chain transition rates.

[Read more…]

Filed Under: Articles, on Tools & Techniques, Progress in Field Reliability?

by Sanjeev Saraf Leave a Comment

Reactive Chemicals

Reactive Chemicals

Reactive chemicals refer to chemicals that can react with self or with other chemicals or contaminants leading to extremely high reaction rates. The high reaction rates in turn can lead to overpressure within the vessel and possible explosion. As a graduate student, I looked at behavior of reactive chemical hydroxylamine which was involved in an explosion at Concept Sciences facility in Allentown, PA.

Take a look at the following video on how hydroxylamine reacts upon addition of metal solution.

Read more

Filed Under: Articles, on Risk & Safety, Operational Risk Process Safety

by Michael Pfeifer, Ph.D., P.E. Leave a Comment

Steel Hydrogen Embrittlement

Steel Hydrogen Embrittlement

One failure mechanism that I’m frequently asked about is hydrogen embrittlement of carbon and low-alloy steel. So, in this article I’ll discuss that topic.

Hydrogen embrittlement is the result of the absorption of hydrogen by susceptible metals resulting in the loss of ductility and reduction of load bearing capability. Sustained stress on an embrittled material can result in cracking and fracture at stresses less than the metal’s yield strength.

[Read more…]

Filed Under: Articles, Metals Engineering and Product Reliability, on Product Reliability

by Robert (Bob) J. Latino Leave a Comment

Does Improved Reliability Translate to a Safer Plant?

Does Improved Reliability Translate to a Safer Plant?

Guest post by Ken Latino.

I am often asked if there is a relationship between improved reliability and safety? There is certainly anecdotal evidence that suggests that there is a link. I’m sure anyone reading this can attest to similar beliefs from their work environment. But I was particularly interested to see if there was more definitive research that can back up these beliefs with hard data. I was able to find numerous articles that provided additional support data. However, I saw one from Ron Moore that really stood out to me. Ron has been a respected Reliability practitioner and consultant for many years. This article, which is posted all over the internet, shows more than just anecdotal conclusions on this relationship. Ron presents are a clear mathematical relationship that shows us that being more proactive and reliable also makes us safer. 

[Read more…]

Filed Under: Articles, on Systems Thinking, The RCA

by James Reyes-Picknell Leave a Comment

Launch of “Asset Operations”

Launch of “Asset Operations”

Ryan Chan of UpKeep authored a new book in which he presents some very smart concepts around information management. Here’s a video of a group discussion of those concepts and the launch. Participants include Ryan Chan (author of “Asset Operations”), Sanya Mathura, Ramesh Gulati, Vinny Cavello, and our own, James Reyes-Picknell.

Read more

Filed Under: Articles, Conscious Asset, on Maintenance Reliability

by Greg Hutchins Leave a Comment

Value of Communications: Dollars and Sense

Value of Communications: Dollars and Sense

Guest Post by Malcolm Peart (first posted on CERM ® RISK INSIGHTS – reposted here with permission)

“Man measures time by happiness or sorrow, tranquility or torture.  The one is past and gone so quickly that is seldom seized and savored while the other turns the hours into days and the weeks into years”.  This was written by Major Pat Reid in “The Colditz Story” and, while it comes from a time of internment at a dark time in history the same is true today.

[Read more…]

Filed Under: Articles, CERM® Risk Insights, on Risk & Safety

by Mike Sondalini Leave a Comment

Deliberately Create Reliability

Deliberately Create Reliability

Reliability is something that can be created. It is the result of the standards, processes, and practices that are used. By removing causes of failures and controlling the factors that allow their creation, you proactively eliminate failure events. By eliminating failures, you deliberately create reliability. The reliability creating processes in the Plant Wellness Way EAM methodology let any operation or site reach the heights of world class operating asset reliability.

[Read more…]

Filed Under: Articles, Life Cycle Asset Management, on Maintenance Reliability

by Carl S. Carlson Leave a Comment

To Scribe or Not to Scribe

To Scribe or Not to Scribe

Mediocrity can talk, but it is for genius to observe. – Benjamin Disraeli

The Inside FMEA series has completed the primary facilitation skills. The next few articles will cover special facilitation topics.

This article talks about the pros and cons of using a “scribe” to help with facilitation. [Read more…]

Filed Under: Articles, Inside FMEA Tagged With: FMEA Facilitation

by Sanjeev Saraf Leave a Comment

Quantitative Risk Assessment: Will Quantifying Risks Help You Minimize Them?

Quantitative Risk Assessment: Will Quantifying Risks Help You Minimize Them?

How would you answer the following question:

Is refinery A safer than refinery B?

[Read more…]

Filed Under: Articles, on Risk & Safety, Operational Risk Process Safety

by Greg Hutchins Leave a Comment

How to Improve Performance and Avoid Poor Risk Governance

How to Improve Performance and Avoid Poor Risk Governance

Guest Post by Malcolm Peart (first posted on CERM ® RISK INSIGHTS – reposted here with permission)

Many valuable lessons can be learned from the failures of risk governance in Australian banks.

The Commonwealth Bank of Australia (CBA) and Westpac Banking Corporation (Westpac), two of the largest banks in Australia had to provide Court Enforceable Undertakings in May 2018 and December 2021 respectively to the Australian Prudential Regulation Authority (APRA).

[Read more…]

Filed Under: Articles, CERM® Risk Insights, on Risk & Safety

by Mike Sondalini Leave a Comment

When to use Crow-AMSAA Modelling for Reliability Growth Models

When to use Crow-AMSAA Modelling for Reliability Growth Models

It’s popular to use Crow-AMSAA for system reliability modelling. However, for the model to represent reality it must include only historically identical events

If your Crow-AMSAA reliability growth model mixes nonidentical situations, then its forecasts have no meaning

Below is an email discussion about when Crow-AMSAA modelling can provide believable forecasts.
 

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability

by Larry George Leave a Comment

Assuming Stationarity could be as bad as Assuming Constant Failure Rate!

Assuming Stationarity could be as bad as Assuming Constant Failure Rate!

Suppose installed base or cohorts in successive periods have different reliabilities due to nonstationarity? What does that do to forecasts, estimates, reliability predictions, diagnostics, spares stock levels, maintenance plans, etc.? Assuming stationarity is equivalent to assuming all installed base, cohorts, or ships have the same reliability functions. At what cost? Assuming a constant failure rate is equivalent to assuming everything has exponentially distributed time to failure or constant failure rate. At what cost?

[Read more…]

Filed Under: Articles, on Tools & Techniques, Progress in Field Reliability?

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