1910 25 a application this section covers all stairways including standard spiral ship and alternating tread type stairs except for stairs serving floating roof tanks stairs on scaffolds stairs designed into machines or equipment and stairs on self propelled motorized equipment.
Alternating step ladders.
Formed steel steps have raised surfaces for improved traction.
Baked in powder coat finish for added toughness.
The tread depth and the rise from step to step is the same as on a normal stair but because half of each tread is omitted the run is reduced by half.
Precision s aluminum alternating tread stair is an alternative to a traditional ships stair.
These alternating step ladders give the climber a lesser step height of 6 7 8 rise.
Alternating tread step design offers a shorter span than traditional steps.
Photo by maxwell mackenzie.
Alternating tread stairs feature alternating steps to offer a shorter span than traditional step ladders portable stairs are made with welded steel for strength.
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Industrial stairway with platform footprint.
Easy assembly and quick ship available.
Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles.
56 degree climbing angle 56 or 68 degree angle 68.
These stairs allow the user to descend face forward giving a clear view of the floor below.
Non slip stair treads.
12 ft alternating tread stair ladders 56 angle.
All alternating tread ladders have a 350 pound capacity.
Alternating tread stairs include handrails and dual safety chains to provide operator safety.
Access stairways are a great alternative to reach higher levels.
Alternating tread stair ladder 11ft height 132 to top step 68 climb angle powder coated steel safety yellow.
Precision ladders at series of aluminum alternating tread stairs were designed with tubular siderails to provide maximum structural integrity while keeping.
Alternating tread ladders available in a variety of sizes.
Chain gates at the top step.
The alternating tread stair design.
For spatial frugality nothing short of a ladder can compete with the alternate tread stair.
Stair ladders measure 23 w.
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Industrial stairway crossover footprint.