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stairs Stair rise and run, Stairs treads and risers, Stair dimensions

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Apr 8, 2015 - I am looking for information on the minimum stairway tread depth. I came across a Carson Dunlop photo and it states 9 to 9 1/4 inches. According to NACHI, 10 inches is recommended. I am not necessarily interested in what code says but stating a safe tread depth to navigate the stairwell safely.
stairs Stair rise and run, Stairs treads and risers, Stair dimensions
1910.25 - Stairways. Occupational Safety and Health Administration
stairs Stair rise and run, Stairs treads and risers, Stair dimensions
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stairs Stair rise and run, Stairs treads and risers, Stair dimensions
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stairs Stair rise and run, Stairs treads and risers, Stair dimensions
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stairs Stair rise and run, Stairs treads and risers, Stair dimensions
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stairs Stair rise and run, Stairs treads and risers, Stair dimensions
stair tread and riser standards Stair dimensions, Stair layout, Stairs treads and risers
stairs Stair rise and run, Stairs treads and risers, Stair dimensions
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stairs Stair rise and run, Stairs treads and risers, Stair dimensions
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stairs Stair rise and run, Stairs treads and risers, Stair dimensions
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stairs Stair rise and run, Stairs treads and risers, Stair dimensions
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