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The insurance company says I need a second means of egress, so I'm trying to design one, but can not find the answer to this question.

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There is a minimum distance I have been asked to put a stairway for a deck from a window. I believe it was 4 feet but that was just municipality code. – DMoore May 1 '14 at 12:43
Are you asking if it's possible to build or if it is safe to build or if it is legal to build? – First Time Buyer May 1 '14 at 13:53

Yes, but depending on where the window is relative to the stair and its dimensions, you may need a proper guardrail installed and/or the window would need to be made of tempered glass. This is the same requirement for low sill windows where someone could potentially fall through the window at normal floor level, except the stair treads can be considered "floor level" for determining application of the rules.

There can easily be local requirements in addition to IBC requirements.

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