Archinect
anchor

Hole in the floor between upper and lower level

Amandaj@lux

is there a technical word or phrase for the cutout in the floor between the upper and lower levels of a mall?

 
Mar 21, 18 11:26 am
Non Sequitur

Opening

Mar 21, 18 12:37 pm
JLC-1

open to below

Mar 21, 18 12:38 pm
citizen

^ Both of these.  

Though I have to say, "Hole in the Floor" has a certain ring to it...

Mar 21, 18 12:45 pm
Volunteer

Atrium?

Mar 21, 18 1:00 pm
Red Dog

Do not call it an atrium if it only connects two levels. If it is a true atrium as defined by code, you will need to meet a whole slew of requirements that otherwise do not apply. Floor opening is pretty straight forward.

Volunteer

I know of no reference that says an atrium has to be greater than two stories.

Red Dog

You're right it doesn't, but if you are only connecting 2 floors there is an exception in section 404 of the IBC that you do not need to have a smoke control system. By avoiding calling it a atrium in the first place, it might avoid lengthy discussions with the plan reviewer.

randomised

Yeah, let's not call an atrium an atrium because of annoying safety requirements like smoke control or something, just hold your breath while you make a run/jump towards safety, godspeed!

tduds

Red Dog is correct.

joseffischer

There are a number of code/language specific ways to handle and call out floor openings. I agree with others, figure out how you're handling it by code, and then call it that.

randomised

Balloon distribution zone or Christmas tree display area.

Mar 21, 18 1:42 pm
SneakyPete

OSHA Bait. 

Mar 21, 18 1:51 pm
Trekiez

Void

Mar 21, 18 5:06 pm
joseffischer

Oh, yes, you could use technical terms from BOMA calcs rather than code. Major Vertical Penetrations and Voids, etc

ArchNyen

wasted rental area

Mar 21, 18 10:56 pm
Almosthip7

inter connected floor space

Mar 22, 18 10:46 am
accesskb

light well

Mar 22, 18 6:23 pm
Quentin

Shaft

Mar 27, 18 2:41 pm

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