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    Max distance (width) between step rails.

    Max distance (width) between step rails.

    New postby chris mc on Wed Dec 29, 2010 10:32 pm

    If a set of steps (4 risers) is 26' wide are intermediate rails required? I have heard 6' but I can not find a code reference in the 2006 IRC.
    chris mc
    Posts: 22
    Joined: Mon Mar 22, 2010 10:36 pm

    Re: Max distance (width) between step rails.

    New postby Jerry Peck - Codeman on Wed Dec 29, 2010 11:37 pm

    Hi Chris,

    The key is this:
    chris mc wrote:IRC.

    In dwelling units only one handrail is required and on only one side: (bold is mine)
    R311.5.6 Handrails. Handrails shall be provided on at least one side of each continuous run of treads or flight with four or more risers.

    You are thinking of the IBC and intermediate handrails, which is often misapplied anyway as the requirement is for 'the required width' and not 'the actual width' - i.e., the required width may be 60 inches with a handrail required on each side, while the actual width may be 60 feet ... and still only those two handrails are required. Intermediate handrails are only required if the required width is greater than 60 inches (which leaves a handrail within 30 inches). If the required width was 120 inches, and the actual width was 60 feet, only one intermediate handrail would be required - the two side handrails would account for the first 60 inches of required width and the intermediate handrail would account for the second 60 inches of required width (30 inches to each side of the intermediate handrail): (bold is mine)
    1012.8 Intermediate handrails. Stairways shall have intermediate handrails located in such a manner so that all portions of the stairway width required for egress capacity are within 30 inches (762 mm) of a handrail. On monumental stairs, handrails shall be located along the most direct path of egress travel.
    Jerry Peck - CodeMan

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    Construction Litigation Consultants, LLC.
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    Jerry Peck - Codeman
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    Re: Max distance (width) between step rails.

    New postby chris mc on Thu Dec 30, 2010 7:48 am

    Thanks Jerry!
    chris mc
    Posts: 22
    Joined: Mon Mar 22, 2010 10:36 pm

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