Re: [SystemSafety] Analyzing far behind the Intended Use

From: jean-louis Boulanger < >
Date: Thu, 31 Dec 2015 12:36:33 +0100


Ils why its interesting to do a certification. Certificat identifiés clearly the bonus art the intenses usés ans the safety related application condition

Le mercredi 30 décembre 2015, Rolf Spiker <rolf.spiker_at_xxxxxx

> 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!
>
>
>
> *Functional* Safety, Security & Reliability > www.exida.com
>
> To view our Equipment database with certified elements go to:
> www.sael-online.com
>
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> *From:* systemsafety-bounces_at_xxxxxx > <javascript:_e(%7B%7D,'cvml','systemsafety-bounces_at_xxxxxx > [mailto:systemsafety-bounces_at_xxxxxx > <javascript:_e(%7B%7D,'cvml','systemsafety-bounces_at_xxxxxx > *On Behalf Of * Haim Kuper
> *Sent:* Wednesday, December 30, 2015 3:13 AM
> *To:* systemsafety_at_xxxxxx > <javascript:_e(%7B%7D,'cvml','systemsafety_at_xxxxxx > *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
>
>
>

-- 
Mr Jean-louis Boulanger



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