In this Part—

"dangerous incident" means an incident in relation to a workplace that exposes a worker or any other person to a serious risk to a person's health or safety emanating from an immediate or imminent exposure to—

            (a)         an uncontrolled escape, spillage or leakage of a substance; or

            (b)         an uncontrolled implosion, explosion or fire; or

            (c)         an uncontrolled escape of gas or steam; or

            (d)         an uncontrolled escape of a pressurised substance; or

            (e)         electric shock; or

            (f)         the fall or release from a height of any plant, substance or thing; or

            (g)         the collapse, overturning, failure or malfunction of, or damage to, any plant that is required to be authorised for use in accordance with the regulations; or

            (h)         the collapse or partial collapse of a structure; or

                  (i)         the collapse or failure of an excavation or of any shoring supporting an excavation; or

            (j)         the inrush of water, mud or gas in workings, in an underground excavation or tunnel; or

            (k)         the interruption of the main system of ventilation in an underground excavation or tunnel; or

            (l)         any other event prescribed by the regulations,

but does not include an incident of a prescribed kind.