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  1. #1
    Join Date
    Nov 2008
    Location
    S.C.
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    931

    Whats the proper term?

    You enter a building, the doors slide open- you walk about 16 feet and another set of slideing doors open. The glass room is about 16'x16'. It has supply air enering it from a stainless steel floor grating.
    You are now in the building. You leave the same way. This is a public entrance to a hospital. Would it be a) vestibule-b)air lock-c)anteroom?

    A link with your response would be nice. I say anteroom. the other 2 answers are what two others say.
    It's refreshing to pull your head out of the box when servicing a system.

  2. #2
    Join Date
    Jun 2006
    Location
    Charlotte, NC area
    Posts
    87
    I would call it a vestibule.

    All 3 of these rooms are designed to separate the inner environment from the outer environment and all usually include some type of positive air pressurization to try to keep the environments separated.

    A vestibule is the least effective of these since both door are automatic and can stand open all the time if enough traffic is moving in and out. The amount of air supplied by the HVAC system doesn’t stand a chance against the wind blowing.

    In a hospital an ante room typically separates some sort of isolation room from the public space and has manual doors with closers making it more difficult for both to be open at the same time. They are usually positive to the isolation room and neutral to the corridor or adjacent space.

    An air lock is designed so that only one door can be opened at a time and usually includes a separate HVAC system to completely turn over the air in the space before the 2nd door is opened.

    Sorry, don’t have any links to back this up

  3. #3
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    33,431
    I'd vote A

  4. #4
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    17,036
    A
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  5. #5
    Join Date
    Jan 2010
    Posts
    5,817
    Air locks will equalize to the pressure of the next door to open.

  6. #6
    Join Date
    Jan 2010
    Posts
    5,817
    Vestibule is a passage from a entrance to the interior of a building.

  7. #7
    Join Date
    Jan 2010
    Posts
    5,817
    Anteroom an outer room that opens into another room often used as a waiting room.

  8. #8
    Join Date
    Feb 2010
    Location
    Cal
    Posts
    1,582
    ISBN: 0-87629-347-x--"HVAC design criteria" by R.H.Rowe III, AIA,PE. describes your space as an isolation and calls it a vestibule . I would prefer to have my winnings deposited in an off shore account please.

  9. #9
    Join Date
    Nov 2008
    Location
    S.C.
    Posts
    931
    thanks, maybe I will keep this to myself. lol
    It's refreshing to pull your head out of the box when servicing a system.

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