[TheForge] Spiral stairs? (Was: horn)

[debmiller at fuse.net]

We installed a couple of sets of these in our new power plant. They were made by Lapyre and they are great, OSHA certified to carry tools up and down, etc.

Pretty cool alternative to a spiral or ship's ladder.

Ray
Cincinnati
> 
> From: "Walter Mullett" <wmullett at bright.net>
> Date: 2005/07/07 Thu AM 08:23:08 EDT
> To: <mspencer at tallships.ca>, 
> 	"'Sponsored by ABANA'" <theforge at mailman.qth.net>
> Subject: RE: [TheForge] Spiral stairs?  (Was: horn)
> 
> Mike,
> 
> If you are doing spiral stairs because you want spiral stairs ok, but if you
> want stairs in a compact space, have you thought of looking at double rise
> stairs? (also known as alternating tread stair)  Spiral stairs can be a
> problem if you are carrying anything.
> 
> Double rise stairs can be tricky to negotiate at first because you always
> have to start off with the same foot when using and your gait is a little
> strange.  The tread width is the same as normal stairs and the height you
> climb (rise) is the same for each step but only when you use the correct
> foot.  With one foot, you step forward and up then you only step up with the
> other foot.
> 
> Alternating tread stairs are very common in Europe because of the space they
> save.  They only take half the horizontal distance (run) as a normal stair.
> 
> You can see what they look like at this site.
> 
>   http://www.stairplan.com/spacesaver.htm
> 
> Walt
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net
> [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Mike Spencer
> Sent: Monday, July 04, 2005 12:32 AM
> To: theforge at mailman.qth.net
> Subject: [TheForge] Spiral stairs? (Was: horn)
> 
> 
> Any suggestions for method of construction for a spiral [1] stair?
> For my own use in the shop, pure utility.  I have thoughts, have done
> sketches, diagrams, calculations etc. but pointers to gotchas or prefered
> methods would be welcome.
> 
> 
> 
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