[SystemSafety] LOPA

[Les Chambers]

Another that is of interest to horror fans.

https://youtu.be/rvkEpstd9os

After watching this video two compelling questions come to mind:
1. Is Boeing still employing McDonald’s staff to assemble the 787 in their South Carolina plant?
2. Are they still smoking weed in the lunch breaks?

Les


> While the rest of you are being so quiet, I thought I would drop a
> link to the video I saw recently. I know it is about a year old and the
> event was more than two years ago, but I figured it would be of
> interest here.
> 
> <https://www.youtube.com/watch?v=3RFDKpwdbEA>
> 
> It seems that the catalyst  only had a single means of stopping its flow,
> and its being eroded reduced its effectiveness. One might wonder why
> a second slide valve in series, only used for shutdowns, was not thought
> to be a useful protection measure that might have prevented the disaster.
> 
> How many think of doing a LOPA for the software they write? The adding
> of definitive protective containments.
> 
> Regards
> 
> Paul E. Bennett IEng MIET
> Systems Engineer
> Lunar Mission One Ambassador
> -- 
> ********************************************************************
> Paul E. Bennett IEng MIET.....
> Forth based HIDECS Consultancy.............
> Mob: +44 (0)7811-639972
> Going Forth Safely ..... EBA. www.electric-boat-association.org.uk..
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--
Les Chambers
les at chambers.com.au
+61 (0)412 648 992