[SystemSafety] WG: words you cannot use at GM
peter.sheppard at uk.transport.bombardier.com
peter.sheppard at uk.transport.bombardier.com
Thu May 22 15:25:40 CEST 2014
I don't see what is wrong with "acceptably safe". No system is ever 100%
safe, thus an expert, professional judgement on what is acceptably safe
has to be made.
In the UK railways it was agreed that "acceptably safe" for rail workers
was different to what "acceptably safe" was for passengers (still can't
call them customers!)
Regards
Peter
Peter Sheppard
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Peter Bernard Ladkin <ladkin at rvs.uni-bielefeld.de>
Sent by: systemsafety-bounces at lists.techfak.uni-bielefeld.de
22/05/2014 13:46
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Re: [SystemSafety] WG: words you cannot use at GM
On 2014-05-22 14:31 , Nancy Leveson wrote:
> I think saying that "acceptably safe" is safe is a ridiculous
definition.
Nevertheless, it is de rigeur in Europe. The UK Health and Safety
Executive says that is how it
judges, with "acceptably safe" usually meaning a one in a million elevated
chance of dying:
http://www.hse.gov.uk/risk/theory/r2p2.htm
PBL
Prof. Peter Bernard Ladkin, Faculty of Technology, University of
Bielefeld, 33594 Bielefeld, Germany
Tel+msg +49 (0)521 880 7319 www.rvs.uni-bielefeld.de
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