New 18,000m2 purpose built preservation and storage facility to hold the equivalent of 25 per cent of the National Archives current collection and around 40 million Commonwealth records. The building includes a conservation laboratory, digital archives for classified and unclassified records and cold storage areas. It houses 104 kilometres of paper records, more than 9 kilometres of audiovisual records and digital archive, ensuring the preservation and conservation of the irreplaceable collection continues into the future. In addition to the storage facilities, the building also contains 2 levels of commercial office space which accommodates 150 staff.

The architecturally designed, environmentally sustainable building at present is achieving 4.5 Star NABERS Energy base building and tenant ratings. Rudds Consulting Engineers are currently tracking and monitoring the energy usage for the entire facility to ensure the energy targets are being met.

The storage facility was the biggest challenge from a mechanical perspective due to the precise temperature and humidity setpoint requirements for each individual storage space whilst still maintaining a sufficient differential pressure between the inside of the storage facilities and surrounding areas to prevent the ingress of contaminants into the storage area. A mixture of air handling units, heat recovery ventilation units, freezer and coolroom evaporators, process cooling (CRAC) units, adiabatic humidifiers and outside air preconditioning units were utilised to maintain the -20°C, 4°C, 8°C and 21°C room temperatures at 40-45% relative humidity.

The commercial office space is served by a low temperature Variable Air Volume (VAV) system utilising Dadanco Inffusers.

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