In this part:
"dangerous incident" means an incident that exposes, or potentially exposes, a person to a serious risk to the person's health or safety emanating from an immediate or imminent exposure to—
(a) an uncontrolled escape, spillage or leakage of a substance onto land, adjacent land or premises; 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, installation, substance or thing; or
(g) the collapse, overturning, failure or malfunction of, or damage to, any plant used in relation to the provision of a regulated utility service; 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, utility pit, switchboard, pipe or conduit; or
(k) any other event identified in a technical code; or
(l) any other event prescribed by regulation.
"notifiable incident" means an incident, in relation to the operation of a regulated utility network, or infrastructure used in a regulated utility network, that involves—
(a) the death of a person; or
(b) a dangerous incident; or
(c) serious damage to public or private property; or
(d) serious damage to the environment.