Graham HQ
15 November 2011 |
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Challenge
Naturally ventilated offices are often known for producing buildings that have a poor internal environment or for being complex and difficult for the users to understand. The challenge was to produce a new generation of natural ventilated office that uses a hybrid of user and automated control to produce a level of comfort that is greater than that found in any existing office building. The design team was challenged to develop a low energy and comfortable building within normal cost limits in order to demonstrate to potential building procurers that sustainable buildings do not have to be expensive buildings.
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Project Name:
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Graham HQ
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Project Address:
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Hilltown, Co. Down
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Category:
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New Build Non Residential
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Entrant:
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BDP, Chris Croly
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Company
founded in:
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1961
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Company Address:
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Blackhall Green, Dublin 7
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Company
Contact
details:
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Phone: +353(0)14740600;
Fax: +353(0)16727536;
Email: chris.croly@bdp.com;
Web: www.bdp.com
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Architects name:
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BDP
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Specialities:
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Low Energy Passive Ventilation Building Design
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Building
Type:
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Concrete frame, Commercial Office Building
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Size m2:
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3200m2
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No of Floors:
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3
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No of Units:
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1
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Construction date:
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2008
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Technical Strategy
As a workplace office building it was important to offer a healthy environment. The levels of comfort generated by the advanced hybrid natural ventilation system make the building an essential case study for anyone who doubts the ability of naturally ventilated office buildings to produce a quality internal environment. The use of the building not only as a functional office, but as a demonstration of the potential of sustainable office design was one of the key goals set by GRAHAM when procuring the building. The building also offers an innovative stack driven natural ventilation system for the main communications room.
Performance
Energy Usage: 162 kWh/m2
EPC: A (18)
Air tightness: 4.98 m3/h.m
U-Value for windows: 1.8
U-Value for roof: 0.16
U-Value for ground: 0.3
U-Value for walls: 0.27
