With their vast open spaces and often unique decor, cathedrals can be some of the most challenging of our heritage buildings to protect. John Borns outlines the alternative approaches available. Have you ever considered whether the fire protection of cathedrals is sufficient for buildings which may date back to the 11th or 12th centuries? Probably not, and like you, I really had not given much thought to this question until some years ago, I was asked to check the proposals for a detection system to be installed in a major cathedral. I did so not really from the point of view of it being a 'heritage' building, but from whether it met the current requirements. Now I have realised that a cathedral is a very different animal.
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机译：凭借其广阔的开放空间和通常独特的装饰，大教堂可能是我们要保护的历史建筑中最具挑战性的部分。 John Borns概述了可用的替代方法。您是否曾经考虑过大教堂的防火措施对于可追溯到11世纪或12世纪的建筑物是否足够？可能没有，像您一样，直到几年前，我才真正对这个问题进行了深思熟虑，当时我被要求检查有关在大型大教堂中安装探测系统的建议。我并不是真的从“遗产”建筑的角度出发，而是从它是否满足当前要求的角度出发。现在我意识到大教堂是完全不同的动物。
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