A category of facility that includes, but is not restricted to, the following:
(a) Multistorey buildings, eg. above 4 storeys.
(b) Large glass fronted buildings of high population.
(c) Health care facilities, childcare facilities, schools.
(d) Public buildings or structures of major historical value.
(e) Major traffic terminals, eg. railway stations, airports.
(f) Major public utilities, eg. gas, water, electricity works.