Stairs Determining Walk Surface

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I have a scenario where a window is installed above a stair.  Inspector is requiring safety glazing (tempered glass) for the window.  I mistakenly ordered the window without tempered glass.  I am wondering how you guys narrow down where the walk surface of a stair a stair is?  Depending on where one figures the walk surface has a effect on whether a window would need to have safety glazing.





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Maybe this will help.  One of my standard details here in Oregon.

The detail in the lower right is for "Wet" locations (inside or out).  At dry locations the height may be 36" or a rail is installed 34 to 38
inches above the walking surface.

You could also use a 3m film on the inside surface that provides a safety rating. EXAMPLE: 3M™ Scotchshield™ Ultra Safety & Security Window Film.

It looks like this would apply to the lower sash, not the entire window.



Tempered Glazing Locations 2.jpg

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