IBC 2015 1006.3.2(2) 'B' Tenant on 2nd story w/ one exit, but access to two stairs

[Kmarie039]

Wisconsin IBC 2015...

I have a multi-tenant office space and we're building out Tenant 'A' that will be on the 2nd story. We are fully sprinklered, Type IIB building. There are two stairwells in the building connected by a common hall on the second floor. This Tenant is a small 1,400sf space roughly and will have one entry/exit door into their space from the common hallway. Do I use Table 1006.2.1 to determine exits from my space? In this case max. 49 occupants with a common path of 100'-0" OR do I have to use 1006.3.2(2) which would limit by B occupancy to 29 and common path to 75'-0"?

My understanding is 1006.2.1 is for the space or room itself regardless of what story it is on and 1006.3 section is for the story and for the number of exit stairs to get down from that story. If I am correct, I can have a maximum occupant load of 49 occupants in my Tenant A because there is one door into the tenant and a common path of 100'-0" until they get to the point in the hallway where they have the option of two directions to either stairwell.

Is this correct?

See attached life safety.

 

[steveray]

Sounds like you are on the right track, tenant B looks like it could be tough...

 

[Kmarie039]

Sounds like you are on the right track, tenant B looks like it could be tough...

Tenant B is already built. Tenant C has two exits out of their space....what am I missing?

 

[steveray]

Tenant B is already built. Tenant C has two exits out of their space....what am I missing?

B seems like it might be close with CPET or OL on requiring 2 exits from the space

 

[steveray]

And I don't see a drinking fountain

 

[Kmarie039]

B seems like it might be close with CPET or OL on requiring 2 exits from the space

I'm not following why? my common path is low because it has two exits and then I'm not limited to only 49 occupants from that space. We have bottle fillers not shown yet.

 

[steveray]

I'm not following why? my common path is low because it has two exits and then I'm not limited to only 49 occupants from that space. We have bottle fillers not shown yet.

Nevermind...I see the second MOE directly into the stair....That door is 1/3 the diagonal from the other? Also close...

 

[Kmarie039]

Nevermind...I see the second MOE directly into the stair....That door is 1/3 the diagonal from the other? Also close...

I started really questioning things there because both of these shell tenant build-outs were already approved through state with where exits are when I submitted the rest of the building! That would mean the code reviewer missed something.

Yes, I'm 101'-0" at the longest of that tenant and the doors are 43'-0" apart.

Thank you for the quick response.

 

[Yankee Chronicler]

The ICC Commentary to section 1006.3.3 says:


The the Commentary for Table 1006.3.3 then says:


Based on these two ICC opinions, I think each tenant suite needs to have access to both exit stairs, subject to the allowable common path of travel.

Then we get to the number of means of egress (exit access) from each room or space (suite). That's section 1006.2, 1006.2.1 and Table 1006.2.1. For a B occupancy, Table 1006.2.1 allows a room or space (a suite) to have a single exit access route up to 49 occupants and with a maximum common path of travel of 100 feet.