Clough & Associates Ltd. Page 45 Union Hill Heritage Management Plan MANAGEMENT GUIDELINES, CONTINUED Remedial Work, continued Smoke chamber In the short term bracing/props should be installed inside the structure to stabilise it and prevent collapse. The large pine tree immediately adjacent to the structure should be carefully removed by a qualified arborist using methods that cause no further damage to the structure. A remedial work specification should be commissioned from a conservation architect, with input from an engineer. The cracks and the internal supporting wall (largely removed) should be repaired to preserve the integrity of the structure. Displaced strongroom Consideration should be given to restoring the structure to its original position, assessing the condition of the interior and applying any necessary preservation treatment. General Any necessary stabilisation work identified through regular monitoring of the heritage structures should be addressed promptly to ensure their preservation. If necessary temporary propping or bracing should be installed to support structures until advice from the relevant heritage professionals can be obtained and a longer term remedial work specification developed. Any large trees growing in the vicinity of heritage structures which have the potential to fall and damage the structures or which are destabilising them should be progressively removed. All remedial work undertaken should be consistent with the principles of the ICOMOS New Zealand Charter for the Conservation of Places of Cultural Heritage Value (2010). Structural repairs should be carried out by appropriately qualified tradespeople with experience of similar heritage projects, under the direction of the conservation architect. Continued on next page
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