Parliament House, Darwin is a building of historical significance in the field of energy efficient design. Built to withstand the extreme climate and cyclonic conditions of Darwin for 100 years, the nature of the usage of the building required over 100 individual, specialised AC systems. Each parliamentarian’s office suite has its own air handling unit that enables employees to work after hours without the building’s main systems being switched on. While some areas needed NR 25 treatment, the entire building was required to be ‘super quiet’, which impacted the air conditioning design and required much of the hydraulics systems to be soundproofed with fibreglass cladding. Sprinkler systems provided the fire protection with thermal and smoke-detecting optical sensors.

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