Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles.
Alternating tread stair calculator.
You can save at least the half of the space without the problems of having smaller steps.
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Alternating tread ladder with platform.
Industrial stairway crossover footprint 2 industrial stairs connected by a platform.
This is a great option for people who dont have too much space in their offices or house for a regular long stair.
Start with this and adjust the angle of the carriage from there.
Alternating tread stair design adjust the riser height to the space between floors.
I ve done alternating tread stairs before also called ship ladders.
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.
This free stair calculator determines stair parameters such as rise total run and angle stringer length based on height run tread and headroom requirement.
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.
For convenience and flexibility this stair stringer calculator comes in two forms the automatic and manual.
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.
For a 9 floor to floor height there would be 14 risers of 7 714.