Alternating Tread Ladder Details

Designed to be used as a stair with users facing the direction of travel when climbing up and down.

Alternating tread ladder details.

Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles. 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. The unused half tread is removed to provide more tread depth for improved safety and comfort.

Aluminum alternating tread stair is an alternative to a traditional ships 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. Stair slope of either 56 or 68 degrees requires a smaller overall footprint than a standard stair. Industrial stairway with platform footprint.

Compared to conventional stair treads these stairs allow the user to descend face forward giving a clear view of the floor below. As with all precision s products these stairs are built to project conditions and shipped to the job site completely assembled ready for installation. 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.