List of Contributions

Yeah, what the military calls collateral damage... A fire brigade or ambulance on duty, causing a traffic accident, would be of that type, jeopardizing the relief action they set out for (risks of failing mitigation on the side of the consequence tree). ------------------------------ J.-Martin Hohberg ...

Hi Mitch: Regarding oil spills I once found an instructive bow-tie application to accidents in fueling of an aircraft: I always liked the HACCP method of identifing critical control points (CCP) in hazard analysys (HA), which in this figure are called "safety critical tasks". Perhaps we could ...

Dear Mitch, coming back to your earlier post... IMHO risk analysis can be qualitative (low / moderate / severe) or quantitative with probabilites and value at stake. Thus the criterion of risks being quantitative is not compelling. Rather I would look for the (project / design) objectives which are ...

I would like to disagree: There is "aleatoric risk", like throwing a dice where the possible outcomes are known with 1/6 probability. This is also called the "known unknowns". But there is also "epistemic risk", i.e. due to lack of knowledge the risk cannot be perceived and assessed. This is typically ...