What caused the devastating fire in the cathedral of Notre-Dame is currently unclear. But an extensive refurbishment program has been going on in the cathedral, which can be the cause.
– It can be anything that has to do with electrical machines. It may also be that we have been working with any form of hot work, such as the cut and the cut in the metal, and been a bit careless with gnistbildningen or similar, " says Håkan Frantzich, fire protection engineer and a senior lecturer at Lund university.
– Otherwise, it can certainly be linked to any electrical fault, it is not unusual that it causes fires, he continues.
fires in historical buildings by ensuring that they do not have the old power lines and electrical installations that have not been updated.
"very much is linked to prevention activities, to ensure that the building is not exposed to major risks," he says.
" I think not. In the buildings where you have a lot of people have also a higher degree of protection normally seen, with the automatic fire alarm system, alarm, and so on.
at the same time, " says Håkan Frantzich that in a church like Notre-Dame is also a bevarandeaspekt, which can constitute an obstacle to the safety measures that have an impact on the building's appearance.
" There is definitely a conflict there. But the protection of human life is, after all, and more important, so it may steer a little more, " he believes.
Notre-Dames the main structure, including the two large drum towers, has escaped out of the worst of the damage. But the roof has received substantial damage, two-thirds of which should have collapsed or been destroyed in the fire. In addition, the large huvudspiran collapsed. President Macron has promised that the cathedral should be rebuilt.
– It will be a totalskada on the building, but you can reconstruct it and build it up again. But it will not be the same building as it has been in the past, " says Håkan Frantzich.
in Stockholm, which burned in the early 1990s.
" perhaps It was not quite as extensive damage, but there was also a tower which was destroyed by fire and it plummeted down. It has been able to build up again, and it might not directly be someone who thinks that it is a new construction.
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