[SystemSafety] "Serious risks" in EC 765/2008

[peter.sheppard at uk.transport.bombardier.com]

There is probably as much chance of finding a definition of "serious risk" 
in the IEC standards as there is in defining what a "significant change" 
is in the European Railway Authority, Common Safety Method!

Cheers

Peter

Peter Sheppard
Senior Safety Engineer and Validator

Mobile: +44 7920 247931
 
  
Please consider the environment before you print / Merci de penser à 
l'environnement avant d'imprimer / Bitte denken Sie an die Umwelt bevor 
Sie drucken 

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<Thierry.Coq at dnv.com>
Sent by: systemsafety-bounces at techfak.uni-bielefeld.de
08/04/2013 11:03

To
<systemsafety at techfak.uni-bielefeld.de>
cc

Subject
[SystemSafety] "Serious risks" in EC 765/2008







Hi,

In EC 765/2008, what is considered a "serious risk"? Is there a reference? 

How are the "serious risk" mitigations assessed, especially when "The 
feasibility of obtaining higher levels of safety or the availability of 
other products presenting a lesser degree of risk shall not constitute 
grounds for considering that a product presents a serious risk."?
This standard also mandates that the product should be recalled when the 
serious risk has materialized... and there is wording here to update the 
risk assessment with field reports. 
So is a "serious risk" in this standard in fact a materialized danger...?

Thanks for comments.
Best regards,
Thierry Coq
DNV

-----Original Message-----
From: systemsafety-bounces at techfak.uni-bielefeld.de 
[mailto:systemsafety-bounces at techfak.uni-bielefeld.de] On Behalf Of Peter 
Bernard Ladkin
Sent: 07 April 2013 10:46
To: systemsafety at techfak.uni-bielefeld.de
Subject: [SystemSafety] Solar Storms and Charging Procedures for Electric 
Cars

Folks,

<cut> 
I am running a group producing a risk analysis (in the sense of IEC Guide 
51) of the charging process for electric road vehicles. There was and is 
stiff resistance from some quarters. I have pointed out that, first, IEC 
Guide 51 says that a risk assessment (compromising a risk analysis and 
risk evaluation) should be required in any safety-related IEC standard. 
Second that EC 765/2008 on product quality requires (Article 20) that 
products representing a serious risk be withdrawn from European markets, 
and that the judgment that products represent a serious risk be made 
through a risk assessment. This is European law. Since I have pointed that 
out in sufficiently general meetings, suggestions that the group's work is 
pointless have all but disappeared (although the will to limit its work 
has of course not, for this has other bases).
<cut>

Prof. Peter Bernard Ladkin, University of Bielefeld and Causalis Limited 
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