The maximum weight allowed in garbage cans is reduced to reduce the number of lost time days off of collectors. Beat police officers are now required to wear bullet proof vests. A pipeline company may improve its emergency response capabilities to reduce the impact of a rupture. An office installs fire extinguishers in strategic locations. An organization takes on partners.
Participants sign liability waivers.
You must be able to estimate the impact of the intervention you are proposing. The new probabilities of the events occurring. The new probability distribution for the possible magnitudes of the event. The new losses because of the events. The new exposure to the consequences of the events.