// CODE SNIPPET
435.8.7 Floor Separation
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Group R-3.1 occupancies with non-ambulatory clients housed above the first floor shall be provided with a non-fire resistance constructed floor separation at stairs which will prevent smoke migration between floors. Such floor separation shall have equivalent construction of 0.5 inch (12.7 mm) gypsum wallboard on one side of wall framing.
Exceptions:
Doors within such floor separations shall be tight fitting solid wood at least 13/8 inches (35 mm) in thickness. Door glazing shall not exceed 1296 square inches (32 918 mm2) with no dimension greater than 54 inches (1372 mm). Such doors shall be positive latching, smoke gasketed and shall be automatic-closing by smoke detection.
Related Code Sections
435.8.7 Special Detailed Requirements Based on Use and Occupancy, Floor Separation
separation at stairs which will prevent smoke migration between floors. Such floor separation shall have equivalent construction of 0.5 inch (12.7 mm ...
California Building Code 2016 (Vol 1 & 2) > 4 Special Detailed Requirements Based on Use and Occupancy > 435 Special Provisions for Licensed 24-Hour Care Facilities in a Group R-2.1, R-3.1, R-4 [SFM] > 435.8 Means of Egress Provisions > 435.8.7 Floor Separation
435.8.7 Special Detailed Requirements Based on Occupancy and Use, Floor Separation
separation at stairs which will prevent smoke migration between floors. Such floor separation shall have equivalent construction of 0.5 inch (12.7 mm ...
California Building Code 2022 (Vol 1 & 2) > 4 Special Detailed Requirements Based on Occupancy and Use > 435 Special Provisions for Licensed 24-Hour Care Facilities in a Group R-2.1, R-3.1, R-4 [SFM] > 435.8 Means of Egress Provisions > 435.8.7 Floor Separation
435.8.7 Special Detailed Requirements Based on Occupancy and Use, Floor Separation
separation at stairs which will prevent smoke migration
between floors. Such floor separation shall have equivalent
construction of 0.5 inch (12.7 mm ...
California Building Code 2019 (Vol 1 & 2) > 4 Special Detailed Requirements Based on Occupancy and Use > 435 Special Provisions for Licensed 24-Hour Care Facilities in a Group R-2.1, R-3.1, R-4 [SFM] > 435.8 Means of Egress Provisions > 435.8.7 Floor Separation
435.8.7 4 Special Detailed Requirementsbased on Use and Occupancy, Floor Separation
Group R-3.1 occupancies shall be provided with a non-fire-resistance constructed floor separation at stairs which will prevent smoke migration ...
California Fire Code 2022 > CHAPTER 4 Special Detailed Requirementsbased on Use and Occupancy > 435 Special Provisions for Licensed 24-Hourcare Facilities in a Group R-2.1, R-3.1, R-4 [SFM] > 435.8 Means of Egress Provisions > 435.8.7 Floor Separation
435.8.7 Special Detailed Requirements Based on Use and Occupancy, Floor Separation
Group R-3.1 occupancies shall be provided with a non-fire-resistance constructed floor separation at stairs which will prevent smoke migration ...
California Fire Code 2019 > 4 Special Detailed Requirements Based on Use and Occupancy > 435 Special Provisions for Licensed 24-Hourcare Facilities in a Group R-2.1, R-3.1, R-4[SFM] > 435.8 Means of Egress Provisions > 435.8.7 Floor Separation