Building Occupancy Classification
From Open Source Ecology
- R-1 to R-4, A, S, B, F, etc - [1]
- R-3 seems to be 1-2 family dwellings [2]
- Type I-III construction is noncombustible materials.
- Type IV is any materials.
- R-3 seems to be 3 stories allowed without sprinkler, 4 stories with a sprinkler.
