Designed to be used as a stair with users facing the direction of travel when climbing up and down.
Alternating tread ladder plans.
You can save at least the half of the space without the problems of having smaller steps.
This is a great option for people who dont have too much space in their offices or house for a regular long stair.
The idea behind them is your foot only uses half of the stair so you can cut the other half out to allow more step up room between treads that would otherwise overlap the space savings of a ladder but will full treads and a reasonable rise.
But with an alternating tread stair the difference in height between the right and left treads is the unit rise using the guidelines of commercially built alternating tread stairs i try to get the unit rise between 6 1 2 in.
Industrial stairway with platform footprint.
Industrial stairway crossover footprint.
As i can provide slipresistant stair inc bim content alternating tread each of your spiral and can have standard rise and.
The steeper the angle the larger the rise.
The unused half tread is removed to provide more tread depth for improved safety and comfort.
Stair slope of either 56 or 68 degrees requires a smaller overall footprint than a standard stair.
Its a little bit dificult to make the ma.
Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles.