Hello!
A client of mine has an interesting request: purpose-built large AirBnB units (8BR, 16 guests) for short-term (<30 days) rental, that will obtain full-fledged hotel licenses, and as such, need to be constructed according to IBC R-1 occupancy requirements. Imagine large, 3-story detached houses...but with IBC Type V-B, hotel (transient) occ, very brightly lit staircases... It's a little bit odd, but I'm glad they're not pushing to sneak them in under IRC.
A single unenclosed staircase per unit, as you'd expect in a house, seems attainable based on table 1006.2.1 single-exit space (10 ppl max = 2000gsf/floor, we're well below). Other subsections in 1006 back this up, and also affirm that 4 stories or less is fine for an open stair in an R-1 dwelling unit. Also, 1019.3 exception 2 states says that such a stair in R-1 is an unenclosed exit access stairway.
But what about CPET? My 3rd floor occupants don't get to choose between 2 exits, ever. Do I have to extend CPET from the 3rd floor corner to the front door (no way it will comply), or does it stop on each floor at the exit access stair itself?
I sense that I can measure CPET to the stair entry on each floor, because it's a single-exit building, and focus on "Exit Access Travel Distance" (1017) for that worst-case 3rd floor to front door travel, but I don't see this clearly spelled out. Am I wrong? If not, does anyone know of an 'official' interpretation that backs this up?
And when that stair reaches the ground floor somewhere in the interior of the building, still unenclosed, what is my obligation for the remaining exit access distance to an exterior egress door? If I'm reading 1016.2 correctly, I don't see any need to rate or enclose anything - just don't force people to go through the kitchen.
Thank you-
A client of mine has an interesting request: purpose-built large AirBnB units (8BR, 16 guests) for short-term (<30 days) rental, that will obtain full-fledged hotel licenses, and as such, need to be constructed according to IBC R-1 occupancy requirements. Imagine large, 3-story detached houses...but with IBC Type V-B, hotel (transient) occ, very brightly lit staircases... It's a little bit odd, but I'm glad they're not pushing to sneak them in under IRC.
A single unenclosed staircase per unit, as you'd expect in a house, seems attainable based on table 1006.2.1 single-exit space (10 ppl max = 2000gsf/floor, we're well below). Other subsections in 1006 back this up, and also affirm that 4 stories or less is fine for an open stair in an R-1 dwelling unit. Also, 1019.3 exception 2 states says that such a stair in R-1 is an unenclosed exit access stairway.
But what about CPET? My 3rd floor occupants don't get to choose between 2 exits, ever. Do I have to extend CPET from the 3rd floor corner to the front door (no way it will comply), or does it stop on each floor at the exit access stair itself?
I sense that I can measure CPET to the stair entry on each floor, because it's a single-exit building, and focus on "Exit Access Travel Distance" (1017) for that worst-case 3rd floor to front door travel, but I don't see this clearly spelled out. Am I wrong? If not, does anyone know of an 'official' interpretation that backs this up?
And when that stair reaches the ground floor somewhere in the interior of the building, still unenclosed, what is my obligation for the remaining exit access distance to an exterior egress door? If I'm reading 1016.2 correctly, I don't see any need to rate or enclose anything - just don't force people to go through the kitchen.
Thank you-
