Practices

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Aras Chill Dara Building, Naas, Ireland

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Space heating is provided by high efficiency gas-fired boilers supplying a compensated radiator circuit. Local zone control is obtained using two-port valves. The boilers also supply domestic hot water, augmented by 60 m² of roof-based solar thermal collectors. The building is predominantly naturally ventilated with some local mechanical ventilation of toilets, food preparation areas and office equipment rooms. The council chamber, meeting rooms subject to intermittent high occupancy and IT rooms, are provided with mechanical ventilation with comfort cooling supplied by an ir-cooled chiller linked to low-level distribution. No spaces are fully air-conditioned.

Acronym of the case

AdVent Case 16

Author(s) information

Name

A Cripps,

Address

Buro Happold.

Name

G Susman

Address

Buro Happold.

Email

Name

Z Gill

Address

Buro Happold.

Name

I Pegg

Address

Buro Happold.

Lessons learnt

The use of controls that default to ‘off’ worked well. The commissioning of automatic window and lighting systems was time-consuming but ultimately beneficial. Daylight modeling was used to show that light shelves and reflectors can balance the distribution of natural light. This assisted in reducing the use of shading, therefore increasing the efficiency of lighting controls while helping to maintain excellent comfort conditions.

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