Industrial stairway with platform footprint.
Alternating tread ladder details.
Industrial stairway crossover footprint.
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.
Precision ladders at series of aluminum alternating tread stairs were designed with tubular siderails to provide maximum structural integrity while keeping the overall stair weight to a minimum.
The unused half tread is removed to provide more tread depth for improved safety and comfort.
The steeper the angle the larger the rise.
Designed to be used as a stair with users facing the direction of travel when climbing up and down.
As with all precision s products these stairs are built to project conditions and shipped to the job site completely assembled ready for installation.
I ve done alternating tread stairs before also called ship ladders.
Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles.
Aluminum alternating tread stair is an alternative to a traditional ships stair.
Designed with tubular side rails to provide maximum structural integrity while keeping the overall stair weight to a minimum.