We simulated the future colour loss for a historic light exposure of 76 Mlxh. A simulation starting from a historic light exposure of 83 Mlxh has a similar result, with a slightly more limited future colour loss. For the calculation of the future colour loss, we assumed that all ISO classes are present equally in the Enclosed Gardens. With an MA in Interior Architecture (UHasselt) and another in Monuments and Sites (UAntwerp), Gertjan Madalijns specializes in historic interiors. At KIK-IRPA, he worked in the preventive conservation unit on a collection plan for the historic furniture of the institute.
Alongside providing ventilation, the relative humidity (RH) in the carriages also had to be lowered to below 60%, a critical limit for mould growth. 19A few years before the construction and opening of Train World, the train carriages and works of art to be exhibited had to be selected by the Train World Heritage team. When the doors of the hermetically sealed royal carriages were opened, in the depot in Brussels, the interiors of all 6 carriages turned out to be completely covered with mould [fig. 12The objective of this project was to review the spatial organization of the KIK-IRPA negative repository. The different theoretical options for the physical reorganization of the repository were defined in function of the global or partial cooling of the negative storage. Michalski, The power of history in the analysis of collection risks from climate fluctuations and light, in J.
Elsewhere, however, the vibrations could lead to damage to non-homogeneous materials (e.g. glass with impurities), thermal stress, weaknesses and defects. Local damage such as cracks have already been noticed on the windows of the back facade and windows with glazing bars. Similarly, if fixtures such as temporary walls or exhibition furniture (like showcases or screens) were to be installed, they would clearly suffer the adverse effects of vibration. Therefore, it is recommended that the vibration levels measured on all the walls of the room remain lower than the prescribed values of the reference value (2 mm/s). In the x and y measuring direction, the third band (31.5, 40 and 100 Hz) was most strongly excited.
A few years before, this depot had been declared unsafe and unusable by the fire brigade, as a result of which the heating and the lighting had been shut off and all work teams disappeared from the building. Further maintenance on the building and the rolling stock collection inside as well as visual inspections and controls were completely stopped. For fear of vandalism, the entrance doors of the six historic train carriages were completely locked so that unauthorized persons could not penetrate these valuable trains. Control of damage to museum objects by optical radiation 2004 Control of damage to museum objects by optical radiation, International Commission on Illumination (CIE), 157, 2004.
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The RH had to be lowered by no more than of 3% per 24 hours, to allow the climate-sensitive materials and objects in the coaches the time to adjust. The RH was gradually decreased from 73.5% to 53% over a span of 30 days. 53% RH was decided as the setting point and this average value was chosen since this would reduce the risk of mechanical damage to the most vulnerable textile materials, veneer, modern materials, etc... First, the dehumidifiers were set up to lower the RH value by 3% every four days. On reaching the target value of 53% RH, ventilation and a constant air flow maintained the 53% level. 81All in all, the framework of the Ten Agents of Deterioration leads to the describing of a wide spectrum of risks and hazards.
Also applied by museums and other institutions possessing one or more collections of different kinds, such a plan is a suitable way to keep track of everything on site and to learn to understand the (un)importance of in-house objects. The challenge was to make an inventory of and valorise a collection that was designed for daily use but is now considered as a remarkable interior collection. This called for a specific approach, different from a museum context where the objects are not anymore used as daily objects. Simulations were done for light sources with and without a UV-fraction. The future light dose for each scenario is calculated by multiplying the illuminance by the exposure. Notably, owing to the reciprocity principle, this results in the same light dose for scenarios 2 and 3.
For the KIK-IRPA’s cellulose nitrate photographic negatives collection, the Unit reduced the chemical degradation risk due to inappropriate storage temperature. It provided an extensive advisory report to the Train World museum for six historic train carriages subject to mould due to unsuitable relative humidity. It designed and implemented an Integrated Pest Management plan for KIK-IRPA to reduce the risk of pest damage.
The tapestry cartoon of Pieter Coecke van Aelst, The Martyrdom of St Paul, 1535 in comparison with a medium-size man. Working together with the colleagues in charge of the reception of the artworks, the existing policies were reviewed and adapted to include, inter alia, close examination and appropriate response procedures. 25KIK-IRPA made detailed condition reports for each carriage and compartment. These reports showed the degree and the location of the mould attack and provided a clear picture of the degree of contamination. Please list any fees and grants from, employment by, consultancy for, shared ownership in or any close relationship with, at any time over the preceding 36 months, any organisation whose interests may be affected by the publication of the response.
After gathering all these data, condition reports were prepared for a number of chairs chosen either for their very poor condition or for their uniqueness (only one or two examples left in the institute) [fig. These conditions were subdivided into “fit for use”, “to be exhibited” or “to be stored”. The creation of a storage room ensured the preservation of the “to be stored” category. Protective covers in washed bale cotton were created in collaboration with the textile conservation studio, providing them a first layer of protection against potential damage agents such as dust. Acid-free information labels were attached to the objects to facilitate their identification. Since then, the chairs have been stored on metallic shelves in a storage room near the preventive conservation offices.
It stimulated different light exposure scenarios to investigate the impacts of lighting choices on the Enclosed Gardens preserved in Mechelen. It measured vibration risks for the collection of the City of Brussels Museum, located on the city’s noisy Grand-Place It carried out a series of tests to check the airtightness of a showcase against dust and several other pollutants. It also launched the RE - ORG Belgium national strategy to help small and medium-sized museums reorganize their storage, in a way that greatly reduces sudden risks such as fire, water damage or theft. Finally, the Unit has highlighted the dissociation process affecting the original furniture in the KIK-IRPA’s building. 78The collection plan consisted of an inventory, including a full and detailed description of all the original objects and furniture, enriched with historical documentation. In collaboration with KIK-IRPA photographers, high quality photographs were taken to help documenting, describing and assessing their condition in 2017.