On 17/2/20 10:26 am, Hauke Stieler wrote:
Hi,
I too prefer 'fixed'.
Foldable, is also in some sense irremovable/unremovable (spell check objects)
where as I think 'fixed' is a better description as it implies not foldable,
removeable nor lowerable.
I was starting to write a whole page why I don't like "fixed" instead of
"unremovable" but the more I think about this, the more I like the value
"fixed".
One thing I worried about were flexible/soft bollards [0]. I would not
describe them as "fixed" regarding their ability to
move/bend/rotate/..., but they still remain on their location on the
ground, even though they are flexible. Therefore this would make sense
to call them "fixed".
Or call them what they are 'flexible'. No reason not to say what they are.
I currently don't know that a "lowerable" bollard looks like and how it
works. Do you have an example?
Can be found in my area .. though I cannot recall mapping them. They look the
same as fixed ones ... The ones here are a simple tube shape , with an annulus
at the base. Someone presses a button some wher and they slowly lower into the
ground. And then I suppose another button is pressed and they slowly raise up.
Arr here is a supplier.
http://www.bollards.com.au/?gclid=EAIaIQobChMI3IjQ0bDX5wIVWK6WCh2PdQhvEAAYBCAAEgLyifD_BwE
They call them 'retractable' - various ones - air operated, key or padlock.
I am certain there will be other suppliers.
I would love to hear some feedback on these two values:
"fixed":
A bollard which cannot be removed without destroying it or at least
cause severe damage to it. If a bollard has some sort of lock to remove
it, it's *not* fixed.
"foldable":
A bollard which can be rotated so it lays on the ground so that e.g.
vehicles can pass it [1]. Some kind of key or wrench might be needed.
This bollard can easily be moved back to it's previous position with no
damage left.
Hauke
[0] https://www.postguard.com/image/catalog/flexbol3.jpg
[1]
https://www.ledasecurity.com.au/lda/wp-content/uploads/2013/10/510da3693ad569fe75e5fdbeab5e8aaa.jpg
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