• Welcome to The Building Code Forum

    Your premier resource for building code knowledge.

    This forum remains free to the public thanks to the generous support of our Sawhorse Members and Corporate Sponsors. Their contributions help keep this community thriving and accessible.

    Want enhanced access to expert discussions and exclusive features? Learn more about the benefits here.

    Ready to upgrade? Log in and upgrade now.

Stairs you can't have

I especially like the Invisible handrail, risers and balustrades.
even if this is Not the main exit method, This can't be Code Compliant
 
That's an innovative variation of a classic alternating-tread stair, which is still allowed under certain circumstances.

Alternating tread stairs were fairly common in early New England houses. They save floor space.
Good observation. I used one in the technical production area if a theatre once - just once - and learned fast theatre technicians hate them. Easier to carry a toolbox or spotlight up and down a ladder than an alternating tread device. They are awkward, even empty handed.
 
Good observation. I used one in the technical production area if a theatre once - just once - and learned fast theatre technicians hate them. Easier to carry a toolbox or spotlight up and down a ladder than an alternating tread device. They are awkward, even empty handed.

Yes, extremely awkward. IMHO a ship's ladder is better in most applications, if allowed.
 
That's an innovative variation of a classic alternating-tread stair, which is still allowed under certain circumstances.

Alternating tread stairs were fairly common in early New England houses. They save floor space.
my "take " on that longstanding design is it emulates a ladder more than following the "stair geometry requirements

PS, if you are reviewing Legacy Fire Escapes, do understand, that the Ladder Approach was the clear basis of the original design, in the big cities, at the Real turn of the Century
 
I was at a code hearing when it was proposed to be added as an "alternating tread stair" and there was enough opposition that "stair" modified to "device".
 
Back
Top