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Door swing direction

Discussion in 'Commercial Building Codes' started by Robert, Oct 9, 2017.

  1. Robert

    Robert Sawhorse

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    I have an existing Assembly space with OL greater than 49. The 2 exits from that space swing in the direction of egress into 2 opposite corridors. Am I correct in the resulting OL in each corridor is 1/2 of the Assembly OL? And if so, the resulting OL in each corridor would be less than 50, then do the corridor doors still need to swing in the direction of egress? The client wants to add a door in the existing corridor, and client would prefer it to swing opposite of egress travel because of some existing layout issues. Thank you.
     
  2. cda

    cda Sawhorse

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    No

    Unless you can get half the people to go to one door

    And the other half to the other door
     
  3. TheCommish

    TheCommish Sawhorse

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    once you reach more than 49 all the doors in the exit route have to swing in the direction of travel
     
  4. fatboy

    fatboy Administrator

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    Agree with the posts, has to stay in the direction of travel........
     
    Lorenbb likes this.
  5. Robert

    Robert Sawhorse

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  6. Robert

    Robert Sawhorse

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    I'm revisiting this (with posted image). Do these two new doors in the corridor need to swing toward egress (as drawn) and do they need panic hardware? It seems that all 54 occupants from the assembly area would exit through either of the two exterior exits (rather than down the corridor). The occupants in the corridor would come from the offices and only account for an OL of 16 or so. What do you think?
     

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  7. cda

    cda Sawhorse

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    I would tell you yes
     
  8. TheCommish

    TheCommish Sawhorse

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    do the corridor doors have latching hardware? Do the door need to be there and for what reason?
     
  9. Robert

    Robert Sawhorse

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    Doors are requested by the owner for privacy reasons between certain offices and public/private separation at the entry. I can't see a scenario where the 54 occupants would ever backtrack down this corridor after exiting the assembly space (pretty much running past the exit), but if they are required by code to handle that load then I will certainly oblige.
     
  10. cda

    cda Sawhorse

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    Without measurements on the plan, I would say still yes that panic hardware is required.

    You are not creating dead end corridor issue are you??
     
  11. Robert

    Robert Sawhorse

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    O.K...thanks. Drawing is not to scale but we have about 26' (left to right) before the first door location, then another 25' to the next door. If we don't provide a latch or lock, I believe the doors will not need panic hardware. I'm waiting on owner input of their desire for locks. Doors still need to be fire rated though.
     
  12. cda

    cda Sawhorse

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    Doors still need to be fire rated though.


    ┬┐Que?
     
  13. Robert

    Robert Sawhorse

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    Bldg. is 1 hour construction throughout, so corridor doors need to be 20 minute if I remember right.
     
  14. cda

    cda Sawhorse

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    No do not have to be rated, in your drawing
     
  15. Msradell

    Msradell Sawhorse

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    Looking at your sketch, the right hand door in that corridor obviously has to swing outward towards the exit. The one in the middle of that hallway is questionable as to which way it should swing. I could make an argument for either direction of swing.
     
  16. Robert

    Robert Sawhorse

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    Thanks. cda, building is type 5A (I did not sketch the whole plan which includes a second story).. According to table 716.5 (CBC) corridor fire partition, doors need to be 20 minute....unless I'm missing an exception somewhere? Regardless of how I swing the middle, I'm hearing that I need panic hardware to exit the 54 occupants from the assembly space, even though it does not seem to be a direct exit.
     
  17. cda

    cda Sawhorse

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    The doors across the corridor are not part of a rated wall
     
  18. Robert

    Robert Sawhorse

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    Thanks CDA...that's new information to me.
     
  19. cda

    cda Sawhorse

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    Sometimes doors across a corridor are part of a rated wall,,

    But in your case more than likely not.

    Just confirm that
     
  20. Francis Vineyard

    Francis Vineyard Sawhorse

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    CORRIDOR. An enclosed exit access component that defines and provides a path of egress travel.

    "The determination as to when a corridor exist is essentially left to the building official.

    To provide for a greater degree of consistency some jurisdictions have established a set of guidelines that expand on the definition having four (4) common characteristics as regulated in the code.
    1. A space formed by enclosing walls over 6 ft. in height.
    2. Has a length to width greater than 3 to 1.
    3. It's primary function is for the movement of occupants in the means of egress system, and
    4. It has a length greater than permitted for a dead-end condition."
    Ref. 2015 INC Handbook

    The code requires panic hardware or fire exit hardware for doors serving an occupant load of 50 or more in a Group A or E.

    Corridor (fire) doors shall be self- or automatic-closing. However the doors that serve Group B occupancy are permitted to have a lever lock set.
     
    #20 Francis Vineyard, Oct 14, 2017 at 7:46 AM
    Last edited: Oct 14, 2017 at 10:28 AM

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