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Thread: exit discharge

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    Default exit discharge

    At secured facilities, is their an NFPA 101 exclusion related to the exit discharge. For example, if a perimeter door had a cage equipped with a turnstile (free spinning one way) on the outside of the door and the structure was inside a secured facility (high hazard) would this be acceptable? Are their any exclusions that would apply?


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    not sure of your set up,

    and not sure of 101

    but some codes if you can get 50 feet away from the building and area is big enough to accomodate the people that is legal

    there are also limits on turnstile use, in te means of egress

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    NFPA 101 says that for detention facilities means of egress shall comply with Ch 7, for new and existing occupancies.....and it does talk about being able to handle the number of people exiting.....

    in NY, turnstiles cannot be credited for more than 50 people when calculating the exiting load.....there are other requirements too....

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    The turnstiles are about 7 feet tall and installed in the cage wall. You cannot climb over them . . . .in other words you must rotate the turnstile to exit the cage. The cage is installed on the exterior of the door outside the building.

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    We have a similar situation here - next to the turnstiles though are locked doors that can be used in the event of an emergency to exit.....we have a lot of security-controlled access points into different buildings, some of the turnstiles are used for both entering and exiting - free exit but swipe to enter....

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    this is what the international code says::

    1008.3 Turnstiles. Turn stiles or similar devices that restrict
    travel to one direction shall not be placed so as to obstruct any
    required means of egress.
    Exception: Each turnstile or similar device shall be credited
    with no more than a 50-person capacity where all of the following
    provisions are met:
    1. Each device shall turn free in the direction of egress
    travel when primary power is lost, and upon the manual release by an employee in the area.
    2. Such devices are not given credit for more than 50
    percent of the required egress capacity.
    3. Each device is not more than 39 inches (991 mm)
    high.
    4. Each device has at least 16.5 inches (419 mm) clear
    width at and be low a height of 39 inches (991 mm)
    and at least 22 inches (559 mm) clear width at heights
    above 39 inches (991 mm).
    Where lo cated as part of an ac cessible route, turn stiles
    shall have at least 36 inches (914 mm) clear at and be low
    a height of 34 inches (864 mm), at least 32 inches (813
    mm) clear width be tween 34 inches (864 mm) and 80
    inches (2032 mm) and shall consist of a mechanism other
    than a re volving de vice.


    then if you cannot get to the street or similar::::


    1023.6 Ac cess to a public way. The exit discharge shall provide a direct and unobstructed access to a public way.
    Ex cep tion: Where ac cess to a public way can not be provided,
    a safe dispersal area shall be provided where all of the
    following are met:
    1. The area shall be of a size to ac commodate at least 5
    square feet (0.28 m2) for each per son.
    2. The area shall be located on the same property at least
    50 feet (15 240 mm) away from the building requiring
    egress.
    3. The area shall be permanently maintained and identified
    as a safe dispersal area.
    4. The area shall be pro vided with a safe and un obstructed
    path of travel from the building.



    more then likely similar language in 101
    Last edited by fire49; 03-24-2011 at 05:45 PM.

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    Quote Originally Posted by emtiv1998 View Post
    At secured facilities
    Define "secured facility." What's the occupancy?

    For example, if a perimeter door had a cage equipped with a turnstile (free spinning one way) on the outside of the door and the structure was inside a secured facility (high hazard) would this be acceptable?
    A turnstile is not generally acceptable as an exit. Are there alternative means of egress that do qualify as exits?
    "Nemo Plus Voluptatis Quam Nos Habant"

    The Code is more what you'd call "guidelines" than actual rules.

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    Quote Originally Posted by DeputyMarshal View Post
    Define "secured facility." What's the occupancy?



    A turnstile is not generally acceptable as an exit. Are there alternative means of egress that do qualify as exits?

    The structure is a high hazard occupancy. There is no unobstructed access to the actual exit door. Once outside the exit door (which I suppose would be the exit discharge) is where you run into the turnstile.

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    Quote Originally Posted by emtiv1998 View Post
    The structure is a high hazard occupancy. There is no unobstructed access to the actual exit door. Once outside the exit door (which I suppose would be the exit discharge) is where you run into the turnstile.
    But it's "high hazard" what? Is it an industrial occupancy, business, storage? What's the hazard? How many people are typically inside? Requirements in 101 are primarily driven by occupancy so it's critical to nail that down clearly. That being said, if the exit door proper is sufficient, the rest of the exit i.e. the exit discharge has to meet the same requirements as the door.

    Exit discharge includes the entire path from the exit proper to the public way so the turnstile would definitely be part of it. The entire exit discharge (and exit access) must comply with the exit requirements in 101.
    "Nemo Plus Voluptatis Quam Nos Habant"

    The Code is more what you'd call "guidelines" than actual rules.

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    Unless it is a jail or mental institute you have to be able to walk out of the building, with not many barriers to slow you down

    Now if this is a fed property or something where no one has juisdiction on how the building is built, that is a different story

    OSHA or some other agency might have to get involved

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    There is security and there is safety sometimes they do not agree

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