This is a great option for people who dont have too much space in their offices or house for a regular long stair.
Alternating tread stair calculator.
Alternating tread ladder with platform.
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.
Start with this and adjust the angle of the carriage from there.
This free stair calculator determines stair parameters such as rise total run and angle stringer length based on height run tread and headroom requirement.
I ve done alternating tread stairs before also called ship ladders.
Alternating tread stair design adjust the riser height to the space between floors.
The steeper the angle the larger the rise.
For a 9 floor to floor height there would be 14 risers of 7 714.
Industrial stairway with platform footprint.
Industrial stairway crossover footprint 2 industrial stairs connected by a platform.
Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles.
You can save at least the half of the space without the problems of having smaller steps.
The stair calculator is used for calculating stair rise and run stair angle stringer length step height tread depth and the number of steps required for a given run of stairs.
Its a little bit dificult to make the ma.
Total area for all treads and rises 79 92ft 8 88y to calculate and display upper floor opening and stair head room enter upper floor thickness check the show head room check box and drag the head slider to calculate and animate diagram head room and floor opening.