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Camuffo, D and Pagan, E and Bernardi , A and Becherini, F (2004) The impact of heating, lighting and people in re-using historical buildings: a case study. Journal of Cultural Heritage, 5 (4). pp. 409-416. ISSN 12962074

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The impact of lighting, heating and people in re-using historical buildings are discussed for the case study concerning the ceremony room (i.e. the Giant Hall) of a mediaeval palace in Padova. The Hall has substantially four major problems for conservation: (i) the impact of heating, lighting and people when the room is used; (ii) many cracks on the oak panels of the coffered ceiling; (iii) the soiling by dust and soot particles deposited on the frescoes; (iv) the stained glass windows. A microclimate study was performed to know the impact of the environmental variables, and the use of the room, on the artworks preserved inside. The study has proved the impact of the lamps (both incandescence and compact fluorescent lamps) on the ceiling, the penetration of external air in the room, the heat and the moisture released by people, the impact of sunshine through windows and the scatter diagram of the daily cycles in temperature (T) and relative humidity (RH). During winter concerts, the strips of lead which are wrapped round the edge of the cut glass pieces in stained glass windows easily drop below the dew point and form condensation, starting corrosion. A discussion concerns the allowed variability, which should not exceed risk thresholds. A safe interval can be established within the area determined by the most frequent T and RH natural cycles. In fact, both of the cycles were compatible with the artefacts, or the artefacts were already damaged to allow the exceeding dimensional changes. Attention should be paid in the variability external to this area, especially approaching or exceeding a limit equal to twice the mode of the natural variability.

Item Type: Article
Uncontrolled Keywords: Historic building; Microclimate; Heating; Indoor climate; Fresco; Light
Subjects: ?? case ??
English > Management and Case Studies
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Depositing User: Anna Samuelsson
Date Deposited: 10 Mar 2008 10:34
Last Modified: 22 Dec 2016 16:27

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