CORRIDORS

TABLE 1020.1 CORRIDOR FIRE-RESISTANCE RATING REQUIRED FIRE-RESISTANCE OCCUPANT LOAD SERVED RATING (hours) OCCUPANCY BY CORRIDOR Without sprinkler With sprinkler system system H-1, H-2, H-3 All Not Permitted 1 H-4, H-5 Greater than 30 Not Permitted 1 A, B, E, F, M, S, Greater than 30 1 0 U R-1, R-4 Greater than 10 Not Permitted 0.5c/1ᵃ R2 Less than 30 1 0.5c/1ᵃ R2 Greater than 30 Not Permitted 0.5%/1ᵃ R3 Less than 16 1 0.5c/1ᵃ I-2ª All Not Permitted 0 I-1, I-3 All Not Permitted 1ᵇ I-4 Al 1 0 a. For requirements for occupancies in Group I-2, see Sections 407.2 and 407.3. b. For a reduction in the fire-resistance rating for occupancies in Group I-3, see Section 408.8. c. Buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2 where allowed. d. Group R-3 and R-4 buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.3. See Section 903.2.8 for occupancies where automatic sprinkler systems are permitted in accordance with Section 903.3.1.3. 121 CHAPTER 11 - ACCESSIBILITY No amendments. CHAPTER 12 - INTERIOR ENVIRONMENT