1029.6.2 Smoke-protected assembly seating.
BC § 1029.6.2
The required capacity in inches (mm) of the aisle for smoke-protected assembly seating shall be not less than the occupant load served by the egress element multiplied by the appropriate factor in Table 1029.6.2 of this code. The total number of seats specified shall be those within the space and exposed to the same smoke-protected environment. Interpolation is permitted between the specific values shown. A life safety evaluation, complying with NFPA 101, shall be done for a facility utilizing the reduced width requirements of Table 1029.6.2 of this code for smoke-protected assembly seating subject to the approval by the commissioner. Exception: For outdoor smoke-protected assembly seating with an occupant load not greater than 18,000, the required capacity in inches (mm) shall be determined using the factors in Section 1029.6.3. Table 1029.6.2Capacity for Aisles for Smoke-Protected Assembly Total Number of Seats in the Smoke-Protected Assembly SeatingInches of Clear Width Per Seat ServedStepped aisles with handrails within 30 inchesStepped aisles without handrails within 30 inchesLevel aisles or ramped aisles not steeper than 1 in 10 in slopeRamped aisles steeper than 1 in 10 in slope Equal to or less than 5,0000.200 0.250 0.150 0.165 10,000 0.130 0.163 0.100 0.110 15,000 0.096 0.120 0.070 0.077 20,000 0.076 0.095 0.056 0.062 Equal to or greater than 25,0000.060 0.075 0.044 0.048 For SI: 1 inch = 25.4 mm.
