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| Berlin AquaDom explosion - what went wrong? |
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| tooki:
--- Quote from: Ian.M on December 19, 2022, 10:54:30 am ---With a big warm cylinder in the middle of the atrium, there must have been a considerable convection effect in wintertime, with air round the tank rising, being chilled by the glass roof (even if it was fairly well insulated), so it seems likely that there would have been a gradual build-up of urban particulates on the exterior of the tank. It would have needed regular cleaning to maintain the aesthetic effect, possibly at intervals of a few years or so, possibly more frequently. I'd bet it was cleaned when the tank was drained for maintenance back in summer 2020. - 2020 maintenance --- End quote --- I’m sure it got cleaned regularly, but almost certainly was done by specialists. They wouldn’t have just had hotel cleaning staff do it. It’s possible the aquarium staff itself did it (in which case we’d be talking about people within a highly specialized, expert team), or specialized outsiders. (People don’t realize there are specialty cleaning companies for any imaginable thing. For example, when I worked at the “fruit stand”, every few months we had a specialty company come in to clean all the stainless steel paneling. Other times, a different specialist company to deep-clean the sandstone floor. Both specialist companies, separate from the general facilities maintenance company that did the everyday cleaning.) |
| Ian.M:
I agree. It wouldn't make sense for the hotel or even the aquarium to keep a cleaning team trained for high rope access, even if you also used them for exterior window cleaning. Contracting such occasional cleaning out to a specialist company would have been the only sane thing to do. However even the specialists can get it wrong, e.g. if they *think* they are using an acrylic safe cleaner, but its actually a container of counterfeit cleaner with the wrong formula. |
| ebastler:
--- Quote from: tooki on December 19, 2022, 11:06:07 am ---I’m sure it got cleaned regularly, but almost certainly was done by specialists. They wouldn’t have just had hotel cleaning staff do it. It’s possible the aquarium staff itself did it (in which case we’d be talking about people within a highly specialized, expert team), or specialized outsiders. --- End quote --- While the AquaDom was located in a hotel lobby, and owned by the investment fund which owns the hotel building, it was operated by the Sea Life aquarium -- a large commercial aquarium located next door. They operate their own facility with many tanks there, so it is safe to assume that they employ full-time experts for all aspects of aquarium maintenance. |
| tom66:
--- Quote from: Ian.M on December 19, 2022, 10:54:30 am ---With a big warm cylinder in the middle of the atrium, there must have been a considerable convection effect in wintertime, with air round the tank rising, being chilled by the glass roof (even if it was fairly well insulated), and falling nearer the atrium walls, so it seems likely that there would have been a gradual build-up of urban particulates on the exterior of the tank. It would have needed regular cleaning to maintain the aesthetic effect, possibly at intervals of a few years or so, possibly more frequently. I'd bet it was cleaned when the tank was drained for maintenance back in summer 2020. --- End quote --- Interesting, the guy who was in the construction video was on site for the maintenance. So presumably they had Reynolds Polymer involved. You would expect that they would know what cleaning processes and adhesives to use! |
| themadhippy:
regardless of how many specialists you employ mistakes still get made, |
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