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The housing portions of window less buildings containing use conditions 3, 4 or 5 shall be provided with an engineered smoke control system in accordance with Section 909, windows or doors, smoke vents or equivalent means to provide a tenable environment for exiting from the smoke compartment in the area of fire origin. A tenable environment for egress shall be as defined in NFPA 92. If windows, smoke vents or doors are used to meet this section, at least two windows, smoke vents or doors to the exterior must be provided at or above the highest occupied level in each smoke compartment, and the windows or doors must be operable or readily breakable and arranged to manually vent smoke.
Exceptions:
  1. Windowless buildings or portions of a building that meet all of the following requirements:
    1. Are Type IA or IB construction.
    2. Are protected with sprinklers throughout in accordance with Section 903.3.1.1.
    3. Include a fire alarm system with smoke detection in accordance with NFPA 72 in the dayroom and/or corridor serving as exit access from the cells, reporting to a 24 hour central control at the institution.
    4. Include at least one exit from each housing unit direct to the exterior where smoke will not accumulate or to the exterior through a 1-hourrated corridor serving only that unit.
    5. The building is divided into at least two smoke compartments per Section 408.6.1.
    6. As approved by the enforcing agency, an egress analysis shows that inmates can be evacuated within 6 minutes from the smoke compartment of origin 24 hours per day or when inmates are present.
  2. No venting or smoke control is required when an engineering analysis shows an acceptable safe egress time compared to the onset of untenable conditions within a windowless building or portion of a window-less building and approved by the enforcing agency. (See Section 909.4.)
  3. Courtroom holding areas and temporary central holding areas in courthouses that they meet all of the following requirements:
    1. Holding occurs for a duration less than 12 hours.
    2. The holding areas include no electrical outlets available to the detainees.
    3. The entire building includes sprinklers throughout in accordance with Section 903.3.1.1.
    4. The building includes a fire alarm system with smoke detection in accordance with NFPA 72 in the common rooms of holding areas and in the cells of central holding. The fire alarm system shall activate an alert signal on the floor of alarm containing the holding areas, to alert staff.
    5. As approved by the enforcing agency, an egress analysis shows that detainees can be evacuated within 5 minutes from the holding area of origin, or the facility is provided with gang or electric locks.
  4. Courtroom holding areas with less than 20 persons in custody.
  5. Windowless buildings or portions of a building that meet all of the following requirements:
    1. Are Type IA or IB construction.
    2. Are protected with sprinklers throughout in accordance with Section 903.3.1.1.
    3. Include a fire alarm system with smoke detection in accordance with NFPA 72 in the dayrooms and corridors serving as exit access from the cells, reporting to a 24-hour central control at the institution.
    4. Include at least one direct exit from each housing unit through a smoke partition to another smoke compartment. Each housing unit must be its own smoke compartment and can exit through a maximum of one adjacent compartment before reaching a corridor or the exterior.
    5. As approved by the enforcing agency, an egress analysis shows that inmates can be evacuated within 6 minutes from the smoke compartment of origin 24 hours per day or when inmates are present, or the facility is provided with gang or electric locks.
    6. Each housing unit includes a pressurization method smoke control system that complies with Section 909.

Related Code Sections

408.9.1 Special Detailed Requirements Based on Use and Occupancy, Smoke Venting
in accordance with Section 909, windows or doors, smoke vents, or equivalent means to provide a tenable environment for exiting from the smoke compartment ...
408.9.1 Special Detailed Requirements Based on Occupancy and Use, Smoke Venting
in accordance with Section 909, windows or doors, smoke vents or equivalent means to provide a tenable environment for exiting from the smoke compartment ...
408.9.1 Special Detailed Requirements Based on Occupancy and Use, Smoke Venting
in accordance with Section 909, windows or doors, smoke vents, or equivalent means to provide a tenable environment for exiting from the smoke compartment ...
910.3 Fire Protection and Life Safety Systems, Smoke and Heat Vents
The design and installation of smoke and heat vents shall be in accordance with Sections 910.3.1 through 910.3.3 ...
910.3 Fire Protection Systems, Smoke and Heat Vents
The design and installation of smoke and heat vents shall be in accordance with Sections 910.3.1 through 910.3.3 ...