On Sat, 8 Dec 2018 20:01:10 -0500, Bob wrote:

On 12/8/2018 7:00 PM, Dean Hoffman wrote:
Â* I was watching a show called Maine Cabin Masters.Â* They were redoing a camphouse
and built a Shipman's ladder for second floor access.Â*Â* Another name is alternating tread stair.Â* It looks something like this:
http://www.stairsuk.co.uk/assets/images/alternating-tread-staircase-gallerie/images/birch_24_spacesaver_jpg.jpg
Â* Has anyone actually seen one?


It's hard to imagine they meet building/fire code.

It is certainly not an egress.
You would also have trouble with the building inspector. Rise and run
problems. This is technically a ladder not a stairway anyhow and you
are supposed to go down facing the treads. It also needs a hand rail.