Dangerous occurrences are near-miss events; however, not every near-miss event must be reported Here is a list of some of the common events that are reportable to HSE online: collapse or partial collapse of a scaffold over five metres high, or erected near water where there could be a risk of drowning after a fall; collapse, overturning or failure of load-bearing parts of lifts and lifting equipment; electrical short circuit or overload causing fire or explosion; plant or equipment coming into contact with overhead power lines. dangerous occurrence at a pipeline; explosion, collapse or bursting of any closed vessel or associated pipe work; unintentional explosion, misfire, failure of demolition to cause the intended collapse, projection of material beyond a site boundary, injury caused by an explosion. dangerous substance being conveyed by road is involved in a fire or released; road tanker carrying a dangerous substance overturns, suffers serious damage, catches fire or the substance is released; failure of any freight container in any of its load-bearing parts; accidental release of a biological agent likely to cause severe human illness; dangerous occurrence at a well (other than a water well). There is also a requirement to notify a range of other serious events associated with fairground  equipment, the collision of a train with any vehicle, the failure or endangering of diving equipment  or the endangerment to a diver, and the failure of industrial radiography or irradiation equipment.
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Accidents & emergencies