[SystemSafety] Analyzing far behind the Intended Use

[Robert Schaefer]

I’ve been told that a significant portion of the price of ladders in the U.S. goes to ladder manufacturers’ lawsuit defense.

> On Dec 30, 2015, at 11:35 AM, Rolf Spiker <rolf.spiker at exida.com> wrote:
> 
> Hi Kuper,
>  
> The real question is: Who is responsible if something is going wrong?
> Is this described clearly in the contract?
> What are the responsible boundaries of "Intended Use"
> If not clearly described you have a problem I think!
>  
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> From: systemsafety-bounces at lists.techfak.uni-bielefeld.de <mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de> [mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de <mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de>] On Behalf Of Haim Kuper
> Sent: Wednesday, December 30, 2015 3:13 AM
> To: systemsafety at lists.techfak.uni-bielefeld.de <mailto:systemsafety at lists.techfak.uni-bielefeld.de>
> Subject: [SystemSafety] Analyzing far behind the Intended Use
>  
> Hello everyone,
>  
> What is your opinion regarding the following situation:
> The customer defines System-A to be used as "Advisory only". This fact defines what we call the "Intended Use" of the system.
> This  Intendent use is the basis of System-A safety analysis, resulting with few hazards marked with CRITICAL severity.
> The operator of System-X is quite clever to use the system FAR BEHIND the Intendent use.
> If you analyze this  "Extra-usage", you find hazards typed as CATASTROPHIC severity, and the mitigation of those hazards is quite expensive.
> We do wish to protect the operator activities. However, the customer will not pay the price of  FAR BEHIND the Intendent use mitigation.
>  
> How will you act under those constrains ?
>  
> Thanks,
> Kuper
>  
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