Alternating Tread Device Vs Ships Ladder

Most alternating tread ladder stairs have the same number of treads on each side which isn t absolutely necessary and i suspect it s based more on aesthetics than on construction or comfort.

Alternating tread device vs ships ladder.

The dimensions of ship ladders vary based on available space so they are always custom fabricated. Ships ladders ship stairs ship ladder stairs alternating tread stairs fixed ladders are all terms that can get confused and sometimes used interchangeably. Aluminum crossover ships ladder footprint 2 ships ladders connected by a platform alternating tread ladder calculate space requirements at various heights and angles. These stairs allow the user to descend face forward giving a clear view of the floor below.

The width of ship ladders is usually 24 and the tread depth is 6. The angle of the ladder is usually 60 70 and the design should use the shallowest angle possible within this range. This is an alternating tread stair. Alternating tread ladders available in a variety of sizes.

Vertical rise between treads is generally around 9. Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial. Aluminum ship ladder with platform. Since the treads alternate this stair is not considered to be as safe as a standard ship ladder or spiral stair.

The riser height is reduced and the run is longer than a typical ship ladder but the steps alternate. Available in steel. Alternating tread stairs are preferred in many industrial and commercial applications by achieving vertical access with a shorter horizontal span than traditional stairs and greater functionality than traditional ladders. 800 244 6231 or 781 623 7970 fax for canada call today.

Precision s aluminum alternating tread stair is an alternative to a traditional ships stair. How do these devices differ from each other. All alternating tread ladders have a 350 pound capacity. 76 sanderson ave lynn ma 01902 call.

Easy assembly and quick ship available. This stair saves space and you can go down face forward. But for the purposes of this answer let s assume that the stair does have the same number of treads on both sides.